fzus53 kapx 211950
nshapx
expires:202510220400;;524893

nearshore marine forecast
national weather service gaylord mi
350 pm edt tue oct 21 2025

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.


lhz348-220400-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
350 pm edt tue oct 21 2025

...small craft advisory in effect until 8 pm edt this evening...

.tonight...southwest wind 10 to 15 knots becoming west 5 to
10 knots early in the morning. slight chance of waterspouts early
in the evening. chance of showers early in the evening, then
slight chance of showers after midnight. waves 2 to 3 feet. 
.wednesday...northwest wind 10 to 15 knots. chance of showers.
waves 2 to 4 feet. 
.wednesday night...northwest wind 10 to 20 knots. rain showers.
waves 2 to 4 feet. 
.thursday...northwest wind 15 to 25 knots. rain showers likely.
waves 4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211950
nshapx
expires:202510220400;;524892

nearshore marine forecast
national weather service gaylord mi
350 pm edt tue oct 21 2025

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.


lhz347-220400-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
350 pm edt tue oct 21 2025

...small craft advisory in effect until 8 pm edt this evening...

.tonight...southwest wind 5 to 10 knots becoming west early in
the morning. slight chance of waterspouts early in the evening.
chance of showers early in the evening, then slight chance of
showers after midnight. waves 2 feet or less. 
.wednesday...northwest wind 10 to 15 knots. chance of showers.
waves 2 to 3 feet. 
.wednesday night...northwest wind 10 to 20 knots. rain showers.
waves 2 to 4 feet. 
.thursday...northwest wind 15 to 25 knots. rain showers likely.
waves 4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 211950
nshapx
expires:202510220400;;524894

nearshore marine forecast
national weather service gaylord mi
350 pm edt tue oct 21 2025

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.


lhz349-220400-
sturgeon pt to alabaster mi-
350 pm edt tue oct 21 2025

...small craft advisory in effect until 8 pm edt this evening...

.tonight...southwest wind 10 to 20 knots. chance of waterspouts
early in the evening. chance of showers early in the evening,
then slight chance of showers after midnight. waves 2 to 4 feet
subsiding to 2 to 3 feet after midnight. 
.wednesday...northwest wind 10 to 15 knots. chance of showers.
waves 2 to 3 feet. 
.wednesday night...northwest wind 10 to 20 knots. rain showers.
waves 2 to 3 feet. 
.thursday...northwest wind 10 to 20 knots. rain showers likely.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 212003
nshbuf
expires:202510220300;;525531

nearshore marine forecast
national weather service buffalo ny
403 pm edt tue oct 21 2025

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.


loz043-220300-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
403 pm edt tue oct 21 2025

.tonight...southwest winds 10 to 15 knots becoming south. a
chance of showers early. showers likely late. a chance of
waterspouts late. waves 2 feet or less. 
.wednesday...southwest winds 15 to 25 knots. a chance of
waterspouts. showers likely in the morning, then a chance of
showers in the afternoon. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday night...southwest winds 15 to 25 knots. a chance of
waterspouts. showers. waves 2 to 4 feet. 
.thursday...southwest winds 15 to 20 knots becoming west. a
chance of waterspouts. showers. waves 3 to 6 feet building to
4 to 7 feet. waves occasionally around 9 feet. 
.thursday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of waterspouts. showers. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.friday...west winds 5 to 15 knots becoming northwest. a chance
of waterspouts during the day. showers. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...west winds 10 knots or less becoming southwest. a
chance of showers during the day. waves 2 feet or less. 
.sunday...east winds 10 knots or less. partly to mostly cloudy.
waves 2 feet or less. 

the water temperature off rochester is 61 degrees.

$$

fzus51 kbuf 212003
nshbuf
expires:202510220300;;525529

nearshore marine forecast
national weather service buffalo ny
403 pm edt tue oct 21 2025

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.


lez040-041-220300-
buffalo to ripley along lake erie-
403 pm edt tue oct 21 2025

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

.tonight...southwest winds 15 to 20 knots. a chance of showers
and thunderstorms this evening, then showers with a chance of
thunderstorms after midnight. a chance of waterspouts after
midnight. waves 5 to 8 feet subsiding to 3 to 6 feet. waves
occasionally around 10 feet. 
.wednesday...southwest winds 15 to 25 knots increasing to
30 knots. a chance of waterspouts. showers with a chance of
thunderstorms in the morning, then showers in the afternoon.
waves 5 to 8 feet building to 7 to 10 feet. waves occasionally
around 13 feet. 
.wednesday night...southwest winds to 30 knots becoming west
15 to 25 knots. a chance of waterspouts. showers. waves 6 to
10 feet subsiding to 5 to 8 feet. waves occasionally around
13 feet. 
.thursday...west winds 15 to 25 knots. a chance of waterspouts.
showers. waves 4 to 7 feet. waves occasionally around 9 feet. 
.thursday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. showers. waves 4 to 7 feet subsiding to 2 to 4 feet.
waves occasionally around 9 feet. 
.friday...west winds 5 to 15 knots becoming northwest. showers.
waves 2 to 4 feet subsiding to 2 feet or less. 
.saturday...west winds less than 10 knots. a chance of showers.
waves 1 foot or less. 
.sunday...east winds 10 knots or less. a chance of showers during
the day. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 212003
nshbuf
expires:202510220300;;525530

nearshore marine forecast
national weather service buffalo ny
403 pm edt tue oct 21 2025

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.


loz042-220300-
niagara river to hamlin beach along lake ontario-
403 pm edt tue oct 21 2025

...small craft advisory in effect until 8 pm edt this evening...

.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers this evening, then showers likely
after midnight. a chance of waterspouts after midnight. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots. a chance of
waterspouts. showers. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west.
a chance of waterspouts. showers. waves 2 to 4 feet building to
3 to 5 feet. waves occasionally around 6 feet. 
.thursday...west winds 15 to 20 knots. a chance of waterspouts.
showers. waves 3 to 6 feet. waves occasionally around 7 feet. 
.thursday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of waterspouts. showers. waves 3 to 6 feet
subsiding to 2 to 4 feet. waves occasionally around 7 feet. 
.friday...west winds 5 to 15 knots becoming northwest. a chance
of waterspouts during the day. showers likely. waves 2 to 4 feet
subsiding to 1 to 2 feet. 
.saturday...west winds 10 knots or less becoming northeast. a
chance of showers during the day. waves 2 feet or less. 
.sunday...east winds 10 knots or less. partly to mostly cloudy.
waves 2 feet or less. 

$$

fzus51 kbuf 212003
nshbuf
expires:202510220300;;525527

nearshore marine forecast
national weather service buffalo ny
403 pm edt tue oct 21 2025

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.


lez020-220300-
upper niagara river and buffalo harbor-
403 pm edt tue oct 21 2025

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

.tonight...southwest winds 5 to 15 knots. a chance of showers
this evening, then showers after midnight. 
.wednesday...southwest winds 10 to 15 knots. showers.
.wednesday night...southwest winds 10 to 15 knots becoming west.
showers.
.thursday...west winds around 10 knots. showers.
.thursday night...west winds 5 to 10 knots. rain showers. 
.friday...west winds 10 knots or less. rain showers. 
.saturday...light and variable winds. a chance of rain showers. 
.sunday...light and variable winds. partly to mostly cloudy. 

the water temperature off buffalo is 61 degrees.

$$

fzus51 kcle 212002
nshcle
expires:202510220215;;525342

nearshore marine forecast
national weather service cleveland oh
402 pm edt tue oct 21 2025

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.


lez142-143-220215-
maumee bay to reno beach oh-reno beach to the islands oh-
402 pm edt tue oct 21 2025

...small craft advisory in effect through late wednesday night...
...low water advisory in effect from 10 pm this evening to 11 pm
edt wednesday...

.tonight...southwest winds 15 to 25 knots becoming west to
30 knots. showers likely with a chance of thunderstorms early,
then a chance of showers. a slight chance of showers late. waves
2 to 4 feet building to 3 to 5 feet. waves occasionally around
6 feet. 
.wednesday...west winds to 30 knots. a chance of showers in the
morning, then showers likely in the afternoon. a chance of
waterspouts in the afternoon. waves 3 to 6 feet. waves
occasionally around 7 feet. 
.wednesday night...west winds to 30 knots diminishing to 15 to
25 knots. a chance of waterspouts in the evening. showers likely
in the evening, then a chance of showers overnight. waves 3 to
6 feet. waves occasionally around 7 feet. 
.thursday...west winds 15 to 25 knots. a chance of showers in the
morning, then showers likely in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for friday through sunday.

the water temperature off toledo is 62 degrees, off cleveland 64
degrees, and off erie 62 degrees.

$$

fzus51 kcle 212002
nshcle
expires:202510220215;;525341

nearshore marine forecast
national weather service cleveland oh
402 pm edt tue oct 21 2025

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.


lez144-220215-
the islands to vermilion oh-
402 pm edt tue oct 21 2025

...small craft advisory in effect through wednesday morning...
...low water advisory in effect from 10 pm this evening to 11 pm
edt wednesday...
...gale warning in effect from wednesday morning through
wednesday evening...

.tonight...southwest winds 15 to 25 knots becoming west to
30 knots. showers with a chance of thunderstorms this evening,
then a chance of showers after midnight. waves 2 to 4 feet
building to 3 to 6 feet. waves occasionally around 7 feet. 
.wednesday...west winds to 30 knots increasing to 35 knot gales.
a chance of showers in the morning, then showers likely in the
afternoon. a chance of waterspouts in the afternoon. waves 3 to
6 feet building to 5 to 8 feet. waves occasionally around
10 feet. 
.wednesday night...west winds to 30 knots. showers likely in the
evening, then a chance of showers overnight. waves 5 to 8 feet
subsiding to 3 to 6 feet. waves occasionally around 10 feet. 
.thursday...west winds 15 to 25 knots. a chance of showers in the
morning, then showers likely in the afternoon. waves 3 to 5 feet
subsiding to 2 to 4 feet. waves occasionally around 6 feet. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for friday through sunday.

the water temperature off toledo is 62 degrees, off cleveland 64
degrees, and off erie 62 degrees.

$$

fzus51 kcle 212002
nshcle
expires:202510220215;;525344

nearshore marine forecast
national weather service cleveland oh
402 pm edt tue oct 21 2025

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.


lez149-220215-
conneaut oh to ripley ny-
402 pm edt tue oct 21 2025

...small craft advisory in effect through wednesday morning...
...gale warning in effect from wednesday morning through
wednesday evening...

.tonight...southwest winds 15 to 25 knots. a chance of
waterspouts from late evening on. showers with a chance of
thunderstorms late this evening. showers after midnight, then
showers likely with a slight chance of thunderstorms late. waves
3 to 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.wednesday...southwest winds 15 to 25 knots increasing to
30 knots. a chance of waterspouts. showers likely with a slight
chance of thunderstorms in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 5 to 8 feet
building to 7 to 11 feet. waves occasionally around 14 feet. 
.wednesday night...southwest winds to 30 knots becoming west
15 to 25 knots. a chance of waterspouts. showers with a chance of
thunderstorms. waves 7 to 11 feet subsiding to 6 to 9 feet. waves
occasionally around 14 feet. 
.thursday...west winds 15 to 25 knots. a chance of waterspouts.
showers with a chance of thunderstorms. waves 5 to 8 feet. waves
occasionally around 10 feet. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for friday through sunday.

the water temperature off toledo is 62 degrees, off cleveland 64
degrees, and off erie 62 degrees.

$$

fzus51 kcle 212002
nshcle
expires:202510220215;;525343

nearshore marine forecast
national weather service cleveland oh
402 pm edt tue oct 21 2025

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.


lez145>148-220215-
vermilion to avon point oh-avon point to willowick oh-
willowick to geneva-on-the lake oh-geneva-on-the-
lake to conneaut oh-
402 pm edt tue oct 21 2025

...small craft advisory in effect through wednesday morning...
...gale warning in effect from wednesday morning through
wednesday evening...

.tonight...southwest winds 15 to 25 knots increasing to 30 knots.
a chance of waterspouts this evening. a chance of waterspouts
late. showers with a chance of thunderstorms this evening, then a
chance of showers after midnight. showers likely late. waves 3 to
6 feet building to 6 to 9 feet. waves occasionally around
11 feet. 
.wednesday...southwest winds to 30 knots increasing to 35 knot
gales. a chance of waterspouts. showers likely in the morning,
then showers likely with a chance of thunderstorms in the
afternoon. waves 6 to 10 feet building to 8 to 12 feet. waves
occasionally around 15 feet. 
.wednesday night...west gales to 35 knots diminishing to
30 knots. a chance of waterspouts. showers with a chance of
thunderstorms. waves 8 to 12 feet subsiding to 7 to 10 feet.
waves occasionally around 15 feet. 
.thursday...west winds to 30 knots. a chance of waterspouts.
showers with a chance of thunderstorms. waves 5 to 9 feet
subsiding to 4 to 7 feet. waves occasionally around 11 feet. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for friday through sunday.

the water temperature off toledo is 62 degrees, off cleveland 64
degrees, and off erie 62 degrees.

$$

fzus53 kdtx 212005 cca
nshdtx
expires:202510220400;;525651

nearshore marine forecast for michigan...corrected
national weather service detroit/pontiac mi
348 pm edt tue oct 21 2025

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.


lhz442-220400-
harbor beach to port sanilac mi-
348 pm edt tue oct 21 2025

...small craft advisory in effect through thursday afternoon...

.tonight...southwest winds 10 to 20 knots. mostly cloudy with a 
chance of showers and thunderstorms in the evening, then partly 
cloudy with a chance of showers after midnight. a slight chance of
waterspouts. waves 2 to 4 feet. 
.wednesday...west winds 10 to 20 knots. partly cloudy with 
showers likely. a chance of waterspouts early in the afternoon. 
waves 2 to 4 feet. 
.wednesday night...west winds 20 to 25 knots. a chance of
waterspouts early in the evening. light showers until early
morning, then showers likely after midnight. waves 3 to 5 feet.
waves occasionally around 7 feet. 
.thursday...west winds 20 to 25 knots becoming northwest 15 to
20 knots in the late morning and afternoon. light showers likely
early in the morning, then a chance of showers in the late
morning and early afternoon. light showers early in the
afternoon. waves 3 to 5 feet. waves occasionally around 7 feet. 

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

$$

fzus53 kdtx 212005 cca
nshdtx
expires:202510220400;;525652

nearshore marine forecast for michigan...corrected
national weather service detroit/pontiac mi
348 pm edt tue oct 21 2025

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.


lhz443-220400-
port sanilac to port huron mi-
348 pm edt tue oct 21 2025

...small craft advisory in effect through thursday afternoon...

.tonight...southwest winds 15 to 20 knots. mostly cloudy. a 
chance of showers and thunderstorms in the evening, then showers 
likely after midnight. a slight chance of waterspouts. waves 2 to 
4 feet, building to 3 to 5 feet.
.wednesday...west winds 10 to 20 knots. partly cloudy becoming 
mostly cloudy in the late morning and early afternoon becoming 
partly cloudy. light showers likely early in the morning, then a 
chance of showers in the late morning and early afternoon. light 
showers likely and a slight chance of thunderstorms early in the 
afternoon. a slight chance of waterspouts early in the afternoon. 
waves 2 to 4 feet. 
.wednesday night...west winds 20 to 25 knots. light showers until
early morning, then partly cloudy with showers likely after
midnight. waves 2 to 4 feet. 
.thursday...west winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. mostly cloudy early
in the morning. light showers likely early in the morning, then a
chance of showers in the late morning and early afternoon. light
showers early in the afternoon. waves 2 to 4 feet. 

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

$$

fzus53 kdtx 212005 cca
nshdtx
expires:202510220400;;525653

nearshore marine forecast for michigan...corrected
national weather service detroit/pontiac mi
348 pm edt tue oct 21 2025

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.


lez444-220400-
michigan waters of lake erie from detroit river to north cape mi-
348 pm edt tue oct 21 2025

...small craft advisory in effect through late wednesday night...
...low water advisory in effect from 10 pm this evening to 11 pm
edt wednesday...

.tonight...west winds 15 to 20 knots increasing to 20 to 25 knots
after midnight. gusts to 30 knots. mostly cloudy. light showers
likely and a chance of thunderstorms in the evening, then showers
likely after midnight. waves 3 to 5 feet. waves occasionally
around 7 feet. 
.wednesday...west winds 20 to 25 knots with gusts to 30 knots.
mostly cloudy with showers likely. waves 3 to 5 feet. waves
occasionally around 7 feet. 
.wednesday night...west winds to 30 knots diminishing to 20 to
25 knots after midnight. mostly cloudy. light showers likely
until early morning, then a chance of showers after midnight.
waves 3 to 5 feet. waves occasionally around 7 feet. 
.thursday...west winds 15 to 20 knots. partly cloudy with a
chance of showers. waves 1 to 3 feet. 

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

the water temperature at belle isle is 59 degrees.

$$

fzus53 kdtx 212005 cca
nshdtx
expires:202510220400;;525649

nearshore marine forecast for michigan...corrected
national weather service detroit/pontiac mi
348 pm edt tue oct 21 2025

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.


lhz421-220400-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
348 pm edt tue oct 21 2025

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

.tonight...southwest winds 15 to 20 knots with gusts to 30 knots
in the evening. mostly cloudy with a chance of showers and 
thunderstorms in the evening, then partly cloudy with a chance of 
showers after midnight. a slight chance of waterspouts. waves 4 to
6 feet. waves occasionally around 8 feet.
.wednesday...west winds 10 to 20 knots. partly cloudy. a chance 
of showers until late afternoon, then showers likely early in the 
afternoon. a slight chance of waterspouts in the late morning and 
afternoon. waves 2 to 4 feet. 
.wednesday night...northwest winds 20 to 25 knots. light showers
likely early in the evening, then showers in the late evening and
early morning. a chance of showers after midnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.thursday...northwest winds 20 to 25 knots becoming west 15 to
20 knots early in the afternoon. partly cloudy. a chance of
showers until late afternoon, then showers likely early in the
afternoon. waves 4 to 6 feet. waves occasionally around 8 feet. 

small craft advisory conditions are expected to continue beyond
the forecast period. please refer to the open lakes forecast for
more information.

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

$$

fzus53 kdtx 212005 cca
nshdtx
expires:202510220400;;525648

nearshore marine forecast for michigan...corrected
national weather service detroit/pontiac mi
348 pm edt tue oct 21 2025

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.


lhz422-220400-
inner saginaw bay sw of point au gres to bay port mi-
348 pm edt tue oct 21 2025

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

.tonight...southwest winds 15 to 20 knots with gusts to 30 knots
diminishing to 10 to 15 knots after midnight. a slight chance of
waterspouts in the evening. mostly cloudy with a chance of
showers and thunderstorms in the evening, then partly cloudy with
a chance of showers after midnight. waves 3 to 5 feet. waves
occasionally around 7 feet. 
.wednesday...west winds 10 to 20 knots. partly cloudy with 
showers likely. a chance of waterspouts early in the afternoon. 
waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and
afternoon. 
.wednesday night...west winds 20 to 25 knots. mostly cloudy with
showers likely until early morning, then partly cloudy with a
chance of showers after midnight. waves 2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots. partly cloudy. a
chance of showers until late afternoon, then showers likely early
in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet in
the late morning and afternoon. 

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

$$

fzus53 kdtx 212005 cca
nshdtx
expires:202510220400;;525650

nearshore marine forecast for michigan...corrected
national weather service detroit/pontiac mi
348 pm edt tue oct 21 2025

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.


lhz441-220400-
port austin to harbor beach mi-
348 pm edt tue oct 21 2025

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

.tonight...southwest winds 15 to 20 knots. mostly cloudy. a 
chance of showers and a slight chance of thunderstorms in the 
evening, then a chance of showers after midnight. a slight chance 
of waterspouts. waves 3 to 5 feet. waves occasionally around 7 
feet. 
.wednesday...west winds 10 to 20 knots. light showers likely 
until late afternoon, then showers early in the afternoon. a 
chance of waterspouts early in the afternoon. waves 2 to 4 feet 
building to 3 to 5 feet early in the afternoon. waves occasionally
around 7 feet. 
.wednesday night...northwest winds 20 to 25 knots. becoming
mostly cloudy after midnight. light showers until early morning,
then showers likely after midnight. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.thursday...northwest winds 20 to 25 knots becoming west 15 to
20 knots early in the afternoon. mostly cloudy becoming partly
cloudy in the late morning and early afternoon. a chance of
showers until late afternoon, then showers early in the
afternoon. waves 4 to 6 feet. waves occasionally around 7 feet. 

small craft advisory conditions are expected to continue beyond
the forecast period. please refer to the open lakes forecast for
more information.

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

$$