fzus53 kapx 181501
nshapx
expires:202604182315;;584875

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz346-182315-
manistee to point betsie mi-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 15 to 20 knots. partly sunny. waves 3 to
5 feet. 
.tonight...west wind 10 to 20 knots. partly cloudy. waves 3 to
5 feet. 
.sunday...northwest wind 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 
.sunday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584880

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz349-182315-
sturgeon pt to alabaster mi-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 15 to 20 knots. chance of showers in the late
morning. waves 3 to 5 feet. 
.tonight...west wind 10 to 15 knots. partly cloudy. waves 2 feet
or less. 
.sunday...northwest wind 10 to 20 knots. partly sunny. waves 2 to
3 feet. 
.sunday night...northwest wind 10 to 20 knots. partly cloudy.
waves 2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584869

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz322-182315-
st. marys river point iroquois to e. potagannissing bay-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...northwest wind 15 to 25 knots. isolated snow showers in
the afternoon. 
.tonight...west wind 15 to 20 knots. slight chance of snow
showers. 
.sunday...northwest wind 15 to 25 knots. partly sunny. 
.sunday night...northwest wind 15 to 20 knots. partly cloudy. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584872

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz323-182315-
grand traverse bay south of a line grand traverse light to
norwood mi-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 10 to 20 knots. mostly cloudy in the late
morning then becoming mostly sunny. waves 2 to 4 feet. 
.tonight...west wind 10 to 15 knots. isolated snow showers. waves
2 to 3 feet. 
.sunday...northwest wind 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.sunday night...northwest wind 10 to 15 knots. partly cloudy.
waves 2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584870

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz341-182315-
seul choix point to 5nm west of mackinac bridge-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...northwest wind 15 to 25 knots becoming west 10 to
15 knots early in the evening. isolated snow showers in the
afternoon. waves 2 to 3 feet. 
.tonight...west wind 10 to 15 knots. isolated snow showers. waves
2 to 3 feet. 
.sunday...northwest wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 
.sunday night...northwest wind 15 to 20 knots. partly cloudy.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584871

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz342-182315-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 15 to 20 knots decreasing to 5 to 15 knots
early in the evening. isolated rain and snow showers in the
afternoon. waves 2 to 4 feet. 
.tonight...west wind 15 to 20 knots. isolated snow showers. waves
2 to 4 feet. 
.sunday...northwest wind 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.sunday night...northwest wind 15 to 20 knots. partly cloudy.
waves 2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584873

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz344-182315-
sleeping bear point to grand traverse light mi-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 
.tonight...west wind 10 to 15 knots. mostly cloudy. waves 2 to
4 feet. 
.sunday...northwest wind 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 
.sunday night...north wind 10 to 15 knots. partly cloudy. waves
2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584874

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz345-182315-
point betsie to sleeping bear point mi-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 
.tonight...west wind 10 to 15 knots. partly cloudy. waves 2 to
4 feet. 
.sunday...northwest wind 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 
.sunday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584868

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz321-182315-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...northwest wind 15 to 25 knots. isolated snow showers in
the afternoon. waves 6 to 9 feet. waves occasionally around
12 feet. 
.tonight...west wind 10 to 20 knots. scattered snow showers.
waves 6 to 9 feet. 
.sunday...northwest wind 15 to 25 knots. partly sunny. waves 5 to
8 feet. 
.sunday night...northwest wind 15 to 25 knots. partly cloudy.
waves 5 to 8 feet. 

wave heights are valid for ice free areas.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584876

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz345-182315-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 15 to 20 knots. isolated rain and snow showers
in the afternoon. waves 2 to 4 feet. 
.tonight...west wind 10 to 15 knots. isolated snow showers. waves
2 to 3 feet. 
.sunday...northwest wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 
.sunday night...northwest wind 15 to 20 knots. partly cloudy.
waves 2 to 3 feet. 

wave heights are valid for ice free areas.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584877

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz346-182315-
st ignace to false detour channel-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 15 to 20 knots. isolated rain and snow showers
in the afternoon. waves 4 to 6 feet. 
.tonight...west wind 10 to 20 knots. isolated snow showers. waves
2 to 3 feet. 
.sunday...northwest wind 15 to 25 knots. partly sunny. waves 2 to
4 feet. 
.sunday night...northwest wind 15 to 25 knots. partly cloudy.
waves 2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584878

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz347-182315-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 15 to 20 knots. partly sunny. waves 3 to
5 feet. 
.tonight...west wind 15 to 20 knots. isolated snow showers. waves
2 to 4 feet. 
.sunday...northwest wind 15 to 25 knots. mostly sunny. waves 4 to
7 feet. 
.sunday night...northwest wind 15 to 25 knots. partly cloudy.
waves 4 to 7 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181501
nshapx
expires:202604182315;;584879

nearshore marine forecast
national weather service gaylord mi
1101 am edt sat apr 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz348-182315-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
1101 am edt sat apr 18 2026

...small craft advisory in effect through late sunday night...

.today...west wind 15 to 20 knots. slight chance of showers in
the late morning. waves 4 to 6 feet. 
.tonight...west wind 10 to 15 knots. partly cloudy. waves 2 to
4 feet. 
.sunday...northwest wind 15 to 25 knots. partly sunny. waves 4 to
7 feet. 
.sunday night...northwest wind 15 to 25 knots. partly cloudy.
waves 5 to 8 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kdlh 181600
nshdlh
expires:202604182200;;586478

nearshore marine forecast
national weather service duluth mn
1100 am cdt sat apr 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz141-182200-
grand marais to taconite harbor mn-
1100 am cdt sat apr 18 2026

...small craft advisory in effect through late tonight...

.rest of today...west wind 20 to 25 knots with gusts to around
30 knots. chance of flurries in the afternoon. waves 3 to 5 feet.
.tonight...northwest wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. mostly cloudy in the evening then
becoming partly cloudy. waves 2 to 4 feet subsiding to 1 to
2 feet after midnight. 
.sunday...northwest wind 10 to 15 knots with gusts to around
20 knots. sunny. waves 1 foot or less. 
.sunday night...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 181600
nshdlh
expires:202604182200;;586477

nearshore marine forecast
national weather service duluth mn
1100 am cdt sat apr 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz140-182200-
grand portage to grand marais mn-
1100 am cdt sat apr 18 2026

...small craft advisory in effect through late tonight...

.rest of today...west wind 20 to 25 knots with gusts to around
30 knots. chance of flurries in the afternoon. waves 4 to 6 feet.
waves occasionally to 8 feet. 
.tonight...northwest wind 20 to 25 knots. gusts up to 30 knots
decreasing to 25 knots after midnight. mostly cloudy in the
evening then becoming partly cloudy. waves 3 to 5 feet subsiding
to 1 to 3 feet. waves occasionally to 7 feet. 
.sunday...northwest wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. mostly
sunny. waves 1 to 2 feet. 
.sunday night...northwest wind 10 to 15 knots. gusts up to
20 knots early in the evening. mostly clear. waves 1 foot or
less. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 181600
nshdlh
expires:202604182200;;586487

nearshore marine forecast
national weather service duluth mn
1100 am cdt sat apr 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz148-182200-
oak point to saxon harbor wi-
1100 am cdt sat apr 18 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of today...west wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the afternoon. chance of flurries in
the afternoon. chance of sprinkles late. waves 2 to 4 feet. 
.tonight...northwest wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots after midnight. chance of sprinkles and
flurries in the evening. waves 2 to 4 feet subsiding to 1 to
2 feet after midnight. 
.sunday...northwest wind 10 to 15 knots. gusts up to 20 knots
early in the morning. sunny. waves 1 to 2 feet. 
.sunday night...northwest wind 5 knots becoming south early in
the morning. mostly clear. waves 1 foot or less. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdtx 181320
nshdtx
expires:202604182130;;581756

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
920 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz443-182130-
port sanilac to port huron mi-
920 am edt sat apr 18 2026

.rest of today...south winds 15 to 20 knots becoming west 10 to
15 knots in the afternoon. light showers and a slight chance of
thunderstorms late in the morning, then showers in the afternoon.
waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon.
.tonight...west winds 10 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.sunday...west winds 10 to 15 knots becoming northwest 15 to
20 knots early in the afternoon. mostly sunny until late
afternoon, then mostly cloudy with a chance of light rain and
snow showers early in the afternoon. waves 1 to 3 feet. 
.sunday night...north winds 15 to 20 knots. partly cloudy. a chance
of light rain and snow showers early in the evening. waves 3 to 5
feet. waves occasionally around 7 feet. a small craft advisory may be
needed.

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 181320
nshdtx
expires:202604182130;;581752

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
920 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz422-182130-
inner saginaw bay sw of point au gres to bay port mi-
920 am edt sat apr 18 2026

...small craft advisory in effect through this evening...

.rest of today...west winds 15 to 20 knots. gusts to 25 knots. mostly
cloudy. light showers likely late in the morning. waves 2 to 4 
feet. 
.tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. gusts to 25 knots this evening. mostly 
clear. waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. mostly sunny early in the
morning becoming partly cloudy. a slight chance of. waves 1 to
3 feet building to 2 to 4 feet early in the afternoon. 
.sunday night...northwest winds 15 to 20 knots. mostly clear.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 181320
nshdtx
expires:202604182130;;581753

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
920 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz421-182130-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
920 am edt sat apr 18 2026

...small craft advisory in effect through this evening...

.rest of today...southwest winds 15 to 20 knots becoming west
10 to 15 knots late in the afternoon. gusts to 25 knots. mostly 
cloudy. light showers likely and a slight chance of thunderstorms 
late in the morning, then a slight chance of showers in the 
afternoon. waves 3 to 5 feet. waves occasionally around 7 feet. 
.tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. partly cloudy. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots becoming northwest 15 to
20 knots in the late morning and afternoon. mostly sunny early in
the morning becoming partly cloudy. a slight chance of. waves
1 to 3 feet building to 2 to 4 feet early in the afternoon. 
.sunday night...northwest winds 15 to 20 knots. mostly clear.
waves 4 to 6 feet. waves occasionally around 8 feet. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 181320
nshdtx
expires:202604182130;;581754

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
920 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz441-182130-
port austin to harbor beach mi-
920 am edt sat apr 18 2026

.rest of today...southwest winds 15 to 20 knots veering to the
west early in the afternoon, then diminishing to 10 to 15 knots
late in the afternoon. mostly cloudy. a chance of showers and a
slight chance of thunderstorms late in the morning, then a chance
of showers in the afternoon. waves 2 to 4 feet. 
.tonight...west winds 10 to 15 knots. partly cloudy. waves 2 to
4 feet. 
.sunday...west winds 10 to 15 knots veering to the northwest
early in the afternoon. mostly sunny early in the morning
becoming partly cloudy. a slight chance of. waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon. 
.sunday night...northwest winds 15 to 20 knots. partly cloudy. waves
4 to 6 feet. waves occasionally around 7 feet. a small craft advisory
may be needed.

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 181320
nshdtx
expires:202604182130;;581755

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
920 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz442-182130-
harbor beach to port sanilac mi-
920 am edt sat apr 18 2026

.rest of today...south winds 15 to 20 knots veering to the west
early in the afternoon, then diminishing to 10 to 15 knots late
in the afternoon. mostly cloudy. a chance of showers and a slight
chance of thunderstorms late in the morning, then a slight chance
of showers in the afternoon. waves 2 to 4 feet. 
.tonight...west winds 10 to 15 knots. partly cloudy. waves 2 feet
or less. 
.sunday...west winds 10 to 15 knots veering to the northwest
early in the afternoon. mostly sunny early in the morning
becoming partly cloudy. a chance of light rain and snow showers
early in the afternoon. waves 1 to 3 feet. 
.sunday night...north winds 15 to 20 knots. partly cloudy. a chance
of light snow showers early in the evening. waves 4 to 6 feet. waves
occasionally around 8 feet. a small craft advisory may be needed.

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kgrb 181544
nshgrb
expires:202604182200;;586248

nearshore marine forecast
national weather service green bay wi
1044 am cdt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-182200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1044 am cdt sat apr 18 2026

.this afternoon...w wind 15 to 25 kts. waves 1 to 3 ft. a chance
of sprinkles in the afternoon. 
.tonight...w wind 15 to 25 kts decreasing to 10 to 15 kts in the
late evening and overnight. waves 1 to 3 ft. partly cloudy. a
small craft advisory may be needed. 
.sunday...nw wind 10 to 15 kts. waves 2 ft or less. a chance of
flurries in the morning. a chance of sprinkles. 
.sunday night...ne wind 10 to 15 kts backing n 5 to 10 kts after
midnight. waves 2 ft or less. mostly clear.  

$$

fzus53 kgrb 181544
nshgrb
expires:202604182200;;586246

nearshore marine forecast
national weather service green bay wi
1044 am cdt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-182200-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
1044 am cdt sat apr 18 2026

.this afternoon...nw wind 10 to 15 kts backing w mid-day, then
increasing to 15 to 25 kts early in the afternoon. waves 1 to
3 ft. a chance of sprinkles in the afternoon. 
.tonight...w wind 10 to 20 kts. waves 1 to 3 ft. partly cloudy. 
.sunday...nw wind 10 to 15 kts. waves 2 ft or less. partly sunny.
.sunday night...n wind 5 to 10 kts backing w after midnight.
waves 2 ft or less. clear. 

$$

fzus53 kgrb 181544
nshgrb
expires:202604182200;;586247

nearshore marine forecast
national weather service green bay wi
1044 am cdt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541-182200-
rock island passage to sturgeon bay wi-
1044 am cdt sat apr 18 2026

.this afternoon...nw wind 10 to 15 kts backing w in the late
morning and afternoon. waves 2 to 4 ft. a chance of sprinkles in
the afternoon. 
.tonight...w wind 10 to 15 kts. waves 1 to 3 ft. mostly cloudy in
the evening then becoming partly cloudy. 
.sunday...nw wind 10 to 15 kts. waves 2 ft or less. partly sunny.
.sunday night...n wind 10 to 15 kts backing nw 5 to 10 kts after
midnight. waves 2 ft or less. clear. 

$$

fzus53 kgrr 181351
nshgrr
expires:202604182100;;582504

nearshore marine forecast
national weather service grand rapids mi
951 am edt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-182100-
pentwater to manistee mi-
951 am edt sat apr 18 2026

...small craft advisory in effect through sunday morning...

.rest of today...west winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 
.tonight...west winds 15 to 25 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds 15 to 25 knots veering north early in the
afternoon. mostly sunny. waves 2 to 4 feet. 
.sunday night...north winds 10 to 15 knots. mostly clear. waves 1 to
3 feet. 
.monday...northwest winds around 10 knots backing southwest in the
late morning and afternoon. sunny. waves 1 to 2 feet. 
.tuesday...south winds to 30 knots decreasing to 15 to 20 knots
early in the afternoon. mostly sunny. waves 4 to 6 feet. 
.wednesday...northeast winds 5 to 15 knots backing northwest early
in the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 181351
nshgrr
expires:202604182100;;582506

nearshore marine forecast
national weather service grand rapids mi
951 am edt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-182100-
grand haven to whitehall mi-
951 am edt sat apr 18 2026

...small craft advisory in effect through sunday morning...

.rest of today...west winds to 30 knots. mostly cloudy late in the
morning then becoming mostly sunny. waves 4 to 6 feet. 
.tonight...west winds around 25 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday night...north winds 10 to 20 knots veering northeast after
midnight. mostly clear. waves 2 to 4 feet subsiding to 1 to 3 feet
in the late evening and overnight. 
.monday...northeast winds around 10 knots backing west in the late
morning and early afternoon, then backing southwest early in the
afternoon. sunny. waves 1 foot or less. 
.tuesday...south winds to 30 knots. mostly sunny. waves 5 to 7 feet.
.wednesday...northeast winds around 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kgrr 181351
nshgrr
expires:202604182100;;582505

nearshore marine forecast
national weather service grand rapids mi
951 am edt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-182100-
whitehall to pentwater mi-
951 am edt sat apr 18 2026

...small craft advisory in effect through sunday morning...

.rest of today...west winds around 25 knots. partly sunny. waves
4 to 6 feet. 
.tonight...west winds around 25 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday night...north winds 10 to 20 knots veering northeast after
midnight. mostly clear. waves 2 to 3 feet. 
.monday...east winds 5 to 10 knots veering southwest 10 to 15 knots
in the late morning and afternoon. sunny. waves around 1 foot. 
.tuesday...south winds to 30 knots decreasing to 15 to 20 knots
early in the afternoon. mostly sunny. waves 5 to 7 feet. 
.wednesday...northeast winds 10 to 15 knots backing northwest early
in the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmkx 181610
nshmkx
expires:202604182200;;587205

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-182200-
sheboygan to port washington wi-
1110 am cdt sat apr 18 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of today...west wind 10 to 20 knots with gusts to around
25 knots. partly sunny. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 
.tonight...west wind 10 to 20 knots with gusts to around 25 knots
becoming 15 to 20 knots late in the evening, then easing to 10 to
15 knots after midnight. mostly clear. waves 1 to 2 feet. 
.sunday...west wind 10 to 15 knots veering north late in the
afternoon. slight chance of showers in the afternoon. waves 1 to
2 feet. 
.sunday night...northeast wind 10 to 15 knots easing to 5 to
10 knots late in the evening, then rising to 10 to 15 knots after
midnight easing to 5 to 10 knots early in the morning. partly
cloudy. waves 1 to 2 feet. 

$$

fzus53 kmkx 181610
nshmkx
expires:202604182200;;587206

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-182200-
port washington to north point light wi-
1110 am cdt sat apr 18 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of today...west wind 10 to 20 knots with gusts to around
25 knots. partly sunny. waves 1 to 3 feet. 
.tonight...west wind 15 to 20 knots with gusts to around 25 knots
easing to 10 to 15 knots after midnight, then becoming west 10 to
15 knots early in the morning. partly cloudy through around
midnight then clearing. waves 1 to 2 feet. 
.sunday...west wind 10 to 15 knots veering northwest with gusts
to around 20 knots late in the afternoon. slight chance of
showers in the afternoon. waves 1 to 2 feet. 
.sunday night...north wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then veering northeast after midnight
becoming northeast 5 to 10 knots early in the morning. partly
cloudy. waves 1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584759

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz249-182000-
marquette to munising mi-
1100 am edt sat apr 18 2026

...small craft advisory in effect through sunday evening...

.rest of today...west wind 20 to 25 knots with gusts up to
32 knots. partly cloudy with a slight chance of snow showers.
waves 5 to 8 feet occasionally to 10 feet building to 7 to
10 feet occasionally to 13 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet. 
.tonight...northwest wind 20 to 25 knots. partly cloudy through
late evening then becoming mostly cloudy. a chance of snow
showers. waves subsiding to 5 to 8 feet occasionally to 10 feet,
then building to 6 to 9 feet occasionally to 11 feet. 
.sunday...northwest wind 20 to 25 knots. partly cloudy. waves
building to 6 to 9 feet occasionally to 11 feet, then subsiding
to 5 to 8 feet occasionally to 10 feet. 
.sunday night...northwest wind 10 to 20 knots. mostly clear.
waves subsiding to 2 to 3 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584760

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz250-182000-
munising to grand marais mi-
1100 am edt sat apr 18 2026

...small craft advisory in effect until 2 pm edt this afternoon...
...gale warning in effect until 8 pm edt this evening...

.rest of today...west wind up to 30 knots. partly cloudy with a
slight chance of snow showers. waves 7 to 10 feet occasionally to
13 feet building to 9 to 12 feet occasionally to 15 feet. 
.tonight...northwest wind up to 30 knots. partly cloudy through
late evening then becoming mostly cloudy. a chance of snow
showers. waves subsiding to 7 to 10 feet occasionally to 13 feet.
.sunday...northwest wind 20 to 25 knots. mostly cloudy. a chance
of flurries in the morning. waves subsiding to 6 to 9 feet
occasionally to 11 feet. 
.sunday night...northwest wind 15 to 25 knots diminishing to
10 to 15 knots after midnight. partly cloudy. waves subsiding to
2 to 4 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584761

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz251-182000-
grand marais to whitefish point mi-
1100 am edt sat apr 18 2026

...small craft advisory in effect until 2 pm edt this afternoon...
...gale warning in effect until 8 pm edt this evening...

.rest of today...west wind up to 30 knots. partly cloudy with a
slight chance of snow showers. waves 7 to 10 feet occasionally to
13 feet building to 9 to 12 feet occasionally to 15 feet. 
.tonight...northwest wind up to 30 knots. partly cloudy with a
slight chance of snow showers through late evening, then mostly
cloudy with a chance of snow showers by midnight. waves subsiding
to 8 to 11 feet occasionally to 14 feet. 
.sunday...northwest wind 20 to 25 knots. mostly cloudy. a chance
of flurries in the morning. waves subsiding to 6 to 9 feet
occasionally to 11 feet. 
.sunday night...northwest wind 15 to 25 knots diminishing to
10 to 15 knots after midnight. partly cloudy. waves subsiding to
2 to 4 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584751

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz240-182000-
saxon harbor wi to black river mi-
1100 am edt sat apr 18 2026 /1000 am cdt sat apr 18 2026/

...small craft advisory in effect through late tonight...

.rest of today...west wind 20 to 25 knots. partly cloudy with a
slight chance of snow showers. waves 3 to 6 feet occasionally to
8 feet. 
.tonight...west wind 20 to 25 knots veering northwest 15 to
20 knots by midnight. partly cloudy. waves subsiding to 2 to
4 feet. 
.sunday...northwest wind 10 to 20 knots. partly cloudy in the
morning then clearing. a chance of flurries in the morning. waves
subsiding to 1 to 2 feet. 
.sunday night...northwest wind less than 10 knots in the evening
becoming variable. clear. waves 1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584750

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz248-250-182000-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
1100 am edt sat apr 18 2026

.rest of today...west wind 10 to 15 knots. partly cloudy with a
slight chance of rain showers and snow showers. waves 2 to
3 feet. 
.tonight...northwest wind 10 to 15 knots. partly cloudy. a chance
of flurries late. waves subsiding to 1 to 2 feet. 
.sunday...northwest wind 15 to 20 knots. partly cloudy. waves
building to 2 to 3 feet. 
.sunday night...north wind 10 to 20 knots backing northwest less
than 10 knots after midnight. mostly clear. waves subsiding to
1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584749

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz221-182000-
green bay north of line from cedar river mi to rock island
passage-
1100 am edt sat apr 18 2026

.rest of today...west wind 10 to 15 knots. partly cloudy with a
slight chance of rain showers and snow showers. waves 1 to 2 feet
building to 2 to 3 feet. 
.tonight...west wind 10 to 15 knots. partly cloudy. waves
subsiding to 1 to 2 feet. 
.sunday...northwest wind 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.sunday night...north wind 5 to 15 knots backing northwest less
than 10 knots after midnight. clear. waves 1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584752

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz241-182000-
black river to ontonagon mi-
1100 am edt sat apr 18 2026 /1000 am cdt sat apr 18 2026/

...gale warning in effect until 8 pm edt /7 pm cdt/ this
evening...

.rest of today...west wind up to 30 knots. partly cloudy with a
slight chance of snow showers. waves 6 to 9 feet occasionally to
11 feet. 
.tonight...northwest wind 20 to 25 knots diminishing to 15 to
20 knots late. partly cloudy. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday...northwest wind 10 to 20 knots. mostly sunny. waves
subsiding to 2 to 3 feet. 
.sunday night...northwest wind 5 to 15 knots becoming less than
10 knots after midnight. clear. waves subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584755

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz244-182000-
eagle river to manitou island mi-
1100 am edt sat apr 18 2026

...gale warning in effect through this evening...

.rest of today...west wind up to 30 knots with gale force gusts
up to 37 knots. partly cloudy with a slight chance of snow
showers. waves 6 to 9 feet occasionally to 11 feet building to
9 to 12 feet occasionally to 15 feet. 
.tonight...northwest wind up to 30 knots. mostly cloudy through
late evening then becoming partly cloudy. a chance of snow
showers through midnight. waves subsiding to 5 to 8 feet
occasionally to 10 feet. 
.sunday...northwest wind 15 to 25 knots. partly cloudy. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.sunday night...northwest wind 10 to 20 knots diminishing to less
than 10 knots after midnight. mostly clear. waves subsiding to
1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584753

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz242-243-182000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1100 am edt sat apr 18 2026

...gale warning in effect until 8 pm edt this evening...

.rest of today...west wind up to 30 knots with gale force gusts
up to 37 knots. partly cloudy with a slight chance of snow
showers. waves 7 to 10 feet occasionally to 13 feet building to
9 to 12 feet occasionally to 15 feet. 
.tonight...northwest wind up to 30 knots diminishing to 20 to
25 knots late. mostly cloudy through late evening then becoming
partly cloudy. a chance of sprinkles and snow showers through
late evening, then a chance of snow showers by midnight. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.sunday...northwest wind 15 to 25 knots. mostly cloudy in the
morning then becoming mostly sunny. waves subsiding to 2 to
3 feet. 
.sunday night...northwest wind 5 to 15 knots. clear. waves
subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584754

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz245-182000-
manitou island to point isabelle mi-
1100 am edt sat apr 18 2026

...small craft advisory in effect until 1 pm edt this afternoon...
...gale warning in effect until 8 pm edt this evening...

.rest of today...west wind up to 30 knots. partly cloudy with a
slight chance of snow showers. waves 3 to 5 feet occasionally to
7 feet building to 4 to 7 feet occasionally to 9 feet. 
.tonight...northwest wind 20 to 25 knots with gale force gusts up
to 34 knots. mostly cloudy through late evening then becoming
partly cloudy. a chance of snow showers through late evening,
then a slight chance of snow showers by midnight. waves subsiding
to 3 to 6 feet occasionally to 8 feet, then building to 4 to
7 feet occasionally to 9 feet. 
.sunday...northwest wind 15 to 25 knots. partly cloudy. waves
subsiding to 2 to 4 feet. 
.sunday night...northwest wind 5 to 15 knots. mostly clear. waves
subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584756

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz246-182000-
point isabelle to lower entrance of portage canal mi-
1100 am edt sat apr 18 2026

...small craft advisory in effect until 1 pm edt this afternoon...
...gale warning in effect until 8 pm edt this evening...

.rest of today...west wind up to 30 knots. partly cloudy with a
slight chance of snow showers. waves 2 to 4 feet building to 3 to
5 feet occasionally to 7 feet. 
.tonight...northwest wind 15 to 25 knots becoming 15 to 20 knots
late. gusts up to 33 knots. partly cloudy. a chance of snow
showers through midnight. waves subsiding to 2 to 3 feet. 
.sunday...northwest wind 15 to 20 knots. partly cloudy. waves
subsiding to 1 to 2 feet. 
.sunday night...northwest wind 5 to 15 knots. mostly clear. waves
1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584757

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz247-182000-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
1100 am edt sat apr 18 2026

...small craft advisory in effect until 1 pm edt this afternoon...
...gale warning in effect until 8 pm edt this evening...

.rest of today...west wind up to 30 knots. partly cloudy with a
slight chance of snow showers. waves 3 to 6 feet occasionally to
8 feet building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...west wind 20 to 25 knots veering northwest 15 to
20 knots late. gusts up to 33 knots. partly cloudy through
midnight then becoming mostly cloudy. a chance of snow showers
through midnight. waves subsiding to 2 to 4 feet. 
.sunday...northwest wind 15 to 20 knots. partly cloudy. waves
subsiding to 2 to 3 feet, then building to 2 to 4 feet. 
.sunday night...west wind 5 to 15 knots. clear. waves subsiding
to 1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202604182000;;584758

nearshore marine forecast
national weather service marquette mi
1100 am edt sat apr 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz248-182000-
huron islands to marquette mi-
1100 am edt sat apr 18 2026

...small craft advisory in effect until 1 pm edt this afternoon...
...gale warning in effect until 8 pm edt this evening...

.rest of today...west wind up to 30 knots. partly cloudy with a
slight chance of snow showers. waves 4 to 7 feet occasionally to
9 feet building to 5 to 8 feet occasionally to 10 feet, then
subsiding to 4 to 7 feet occasionally to 9 feet. 
.tonight...northwest wind 20 to 25 knots with gale force gusts up
to 34 knots. partly cloudy through midnight then becoming mostly
cloudy. a chance of flurries through late evening, then a chance
of snow showers by midnight. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday...northwest wind 15 to 25 knots. partly cloudy. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.sunday night...northwest wind 10 to 20 knots diminishing to less
than 10 knots after midnight. mostly clear. waves subsiding to
1 to 2 feet. 

$$