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fzus53 kdlh 180718
nshdlh
expires:202602181700;;828732

nearshore marine forecast
national weather service duluth mn
117 am cst wed feb 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.


lsz140-181700-
grand portage to grand marais mn-
117 am cst wed feb 18 2026

...storm warning in effect through this afternoon...

.today...east gales to 35 knots with storm force gusts to around
50 knots easing to up to 30 knots with gales to around 45 knots
late in the afternoon. blowing snow. snow. waves 1 foot or less. 
.tonight...east wind up to 30 knots with gales to around 40 knots
easing to 20 to 25 knots with gales to around 35 knots after
midnight. snow likely. waves 1 foot or less. a gale warning may
be needed. 
.thursday...northeast wind 20 to 25 knots. gales up to 40 knots
decreasing to 30 knots in the afternoon. snow likely in the
morning, then chance of snow in the afternoon. waves 1 foot or
less. a gale warning may be needed. 
.thursday night...northeast wind 15 to 20 knots with gusts to
around 30 knots. chance of snow. waves 1 foot or less. 

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

$$
fzus53 kdlh 180718
nshdlh
expires:202602181700;;828733

nearshore marine forecast
national weather service duluth mn
117 am cst wed feb 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.


lsz141-181700-
grand marais to taconite harbor mn-
117 am cst wed feb 18 2026

...storm warning in effect through this afternoon...

.today...east gales to 35 knots with storm force gusts to around
50 knots easing to up to 30 knots with gales to around 45 knots
late in the afternoon. blowing snow. snow. waves 1 foot or less. 
.tonight...east wind up to 30 knots with gales to around 40 knots
easing to 15 to 20 knots with gales to around 35 knots after
midnight. snow likely. waves 1 foot or less. a gale warning may
be needed. 
.thursday...northeast wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. snow likely in the morning, then chance
of snow in the afternoon. waves 1 foot or less. 
.thursday night...northeast wind 5 to 10 knots with gusts to
around 20 knots. chance of snow. waves 1 foot or less. 

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

$$
fzus53 kdlh 180718
nshdlh
expires:202602181700;;828740

nearshore marine forecast
national weather service duluth mn
117 am cst wed feb 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.


lsz148-181700-
oak point to saxon harbor wi-
117 am cst wed feb 18 2026

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

.today...east wind up to 30 knots. gales up to 40 knots
decreasing to 30 knots. rain and snow. waves 1 foot or less. 
.tonight...east wind 15 to 20 knots. gusts up to 30 knots
decreasing to 25 knots late in the evening, then then 20 knots
early in the morning. chance of snow. waves 1 foot or less. 
.thursday...south wind 5 to 10 knots becoming west late in the
afternoon. chance of snow in the morning, then slight chance of
rain and snow in the afternoon. waves 1 foot or less. 
.thursday night...north wind 10 to 15 knots. gusts up to 20 knots
after midnight. chance of snow. waves 1 foot or less. 

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

$$
fzus53 kdtx 180830
nshdtx
expires:202602181630;;830752

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
330 am est wed feb 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.


lhz422-181630-
inner saginaw bay sw of point au gres to bay port mi-
330 am est wed feb 18 2026

...dense fog advisory in effect until 10 am est this morning...

.today...east winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots early in the afternoon, then
becoming south 10 to 15 knots late in the afternoon. widespread
dense fog in the morning. rain and freezing rain in the morning,
then a chance of light rain in the afternoon. 
.tonight...north winds 10 to 15 knots veering to the east in the
late evening and overnight. mostly cloudy. 
.thursday...southeast winds 10 to 15 knots becoming east 15 to
20 knots early in the afternoon. mostly cloudy. 
.thursday night...east winds 15 to 20 knots. mostly cloudy. a
chance of light rain early in the evening, then light rain likely
in the late evening and overnight. 

waves omitted due to ice coverage.

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

$$
fzus53 kdtx 180830
nshdtx
expires:202602181630;;830755

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
330 am est wed feb 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.


lhz442-181630-
harbor beach to port sanilac mi-
330 am est wed feb 18 2026

...dense fog advisory in effect until 10 am est this morning...

.today...southeast winds 20 to 25 knots diminishing to 10 to
15 knots. rain. widespread dense fog. 
.tonight...southeast winds 10 to 15 knots. mostly cloudy. 
.thursday...southeast winds 10 to 15 knots. mostly cloudy. 
.thursday night...east winds 15 to 20 knots. mostly cloudy. a
chance of light rain early in the evening, then light rain likely
in the late evening and overnight. 

waves omitted due to ice coverage.

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

$$
fzus53 kdtx 180830
nshdtx
expires:202602181630;;830754

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
330 am est wed feb 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.


lhz441-181630-
port austin to harbor beach mi-
330 am est wed feb 18 2026

...dense fog advisory in effect until 10 am est this morning...

.today...east winds 20 to 25 knots becoming southeast 15 to
20 knots in the afternoon. rain. widespread dense fog in the
morning. areas of dense fog in the afternoon. 
.tonight...southeast winds 10 to 15 knots. mostly cloudy. 
.thursday...southeast winds 10 to 15 knots. mostly cloudy. 
.thursday night...east winds 15 to 20 knots. mostly cloudy. a
chance of light rain early in the evening, then light rain likely
in the late evening and overnight. 

waves omitted due to ice coverage.

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

$$
fzus53 kdtx 180830
nshdtx
expires:202602181630;;830756

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
330 am est wed feb 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.


lhz443-181630-
port sanilac to port huron mi-
330 am est wed feb 18 2026

...dense fog advisory in effect until 10 am est this morning...

.today...southeast winds 20 to 25 knots diminishing to 10 to
15 knots. rain. widespread dense fog. 
.tonight...southeast winds 10 to 15 knots. mostly cloudy. 
.thursday...southeast winds 10 to 15 knots. mostly cloudy. 
.thursday night...east winds 15 to 20 knots increasing to 20 to 25
knots in the late evening and early morning, then becoming southeast
15 to 20 knots after midnight. mostly cloudy. a chance of light rain
early in the evening, then light rain likely in the late evening and
overnight. a small craft advisory may be needed.

waves omitted due to ice coverage.

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

$$
fzus53 kdtx 180830
nshdtx
expires:202602181630;;830753

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
330 am est wed feb 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.


lhz421-181630-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
330 am est wed feb 18 2026

...dense fog advisory in effect until 10 am est this morning...

.today...east winds to 30 knots diminishing to 15 to 20 knots.
rain. widespread dense fog in the morning. areas of dense fog in
the afternoon. 
.tonight...east winds 10 to 15 knots. mostly cloudy. 
.thursday...southeast winds 10 to 15 knots becoming east 15 to
20 knots early in the afternoon. mostly cloudy. 
.thursday night...east winds 15 to 20 knots increasing to 20 to 25
knots in the late evening and overnight. mostly cloudy. a chance of
light rain early in the evening, then light rain likely in the late
evening and overnight. a small craft advisory may be needed.

waves omitted due to ice coverage.

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

$$
fzus53 kgrb 180838
nshgrb
expires:202602181100;;831162

nearshore marine forecast
national weather service green bay wi
238 am cst wed feb 18 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-181100-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
238 am cst wed feb 18 2026

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

.rest of the night...se gales to 35 kts. waves 8 to 12 ft. rain.
.wednesday...se wind 15 to 25 kts with gale force gusts to around
35 kts veering sw 10 to 20 kts with gale force gusts to around
35 kts in the late morning and afternoon. waves 6 to 10 ft
subsiding to 4 to 7 ft in the afternoon. a chance of light rain. 
.wednesday night...s wind 10 to 15 kts. waves 2 to 4 ft. mostly
cloudy in the evening then clearing. 
.thursday...e wind 10 to 15 kts. waves 2 to 4 ft. partly cloudy. 

$$
fzus53 kgrb 180838
nshgrb
expires:202602181100;;831161

nearshore marine forecast
national weather service green bay wi
238 am cst wed feb 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541-181100-
rock island passage to sturgeon bay wi-
238 am cst wed feb 18 2026

...gale warning in effect until noon cst today...
...small craft advisory in effect from noon cst today through
this evening...

.rest of the night...e gales to 35 kts with gale force gusts to
around 40 kts. waves 8 to 12 ft. rain and freezing rain. 
.wednesday...e wind to 30 kts with gale force gusts to around
40 kts becoming se 10 to 20 kts early in the afternoon. waves
8 to 12 ft subsiding to 6 to 10 ft in the afternoon. rain and
freezing rain in the morning, then a chance of light rain in the
afternoon. 
.wednesday night...se wind 10 to 15 kts. waves 3 to 5 ft
subsiding to 2 to 4 ft after midnight. a chance of light rain and
light freezing rain. 
.thursday...se wind 10 to 15 kts backing e early in the
afternoon. waves 1 to 3 ft. partly cloudy.  

$$
fzus53 kmkx 180711
nshmkx
expires:202602181000;;828492

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cst wed feb 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-181000-
sheboygan to port washington wi-
110 am cst wed feb 18 2026

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

.rest of tonight...southeast wind up to 30 knots. rain likely
after midnight, then rain early in the morning. waves 7 to
9 feet. 
.wednesday...south wind 15 to 25 knots veering southwest 15 to
20 knots late in the morning, then becoming 10 to 20 knots in the
afternoon. slight chance of rain in the morning. waves 7 to
9 feet subsiding to 3 to 4 feet. 
.wednesday night...southwest wind 10 to 15 knots easing to 5 to
10 knots after midnight, then backing south early in the morning.
partly cloudy. waves around 1 foot. 
.thursday...southeast wind 10 to 15 knots backing east late in
the morning, then becoming east 10 to 15 knots early in the
afternoon rising to 15 to 20 knots late in the afternoon. chance
of rain in the afternoon. waves 1 to 2 feet building to 2 to
4 feet in the afternoon. 

wave heights are for ice free areas.

$$
fzus53 kmkx 180711
nshmkx
expires:202602181000;;828493

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cst wed feb 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-181000-
port washington to north point light wi-
110 am cst wed feb 18 2026

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

.rest of tonight...southeast wind 15 to 25 knots. chance of rain
and slight chance of thunderstorms after midnight, then rain
early in the morning. waves 5 to 7 feet. 
.wednesday...south wind 15 to 20 knots veering southwest in the
late morning and afternoon. gusts up to 30 knots. sunny. waves
4 to 6 feet subsiding to 1 to 2 feet. 
.wednesday night...southwest wind 10 to 15 knots easing to 5 to
10 knots after midnight, then backing south early in the morning.
partly cloudy. waves around 1 foot. 
.thursday...east wind 10 to 15 knots rising to 15 to 20 knots
late in the afternoon. chance of rain and slight chance of
thunderstorms in the afternoon. waves 1 to 2 feet building to
2 to 4 feet in the afternoon. 

wave heights are for ice free areas.

$$
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