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nearshore marine forecast
national weather service buffalo ny
403 am est thu dec 18 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.


lez020-181600-
upper niagara river and buffalo harbor-
403 am est thu dec 18 2025

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

.today...south winds 10 to 15 knots increasing to 15 to 20 knots.
partly sunny. 
.tonight...south winds 15 to 25 knots becoming southwest to
30 knots. showers.
.friday...southwest winds to 30 knots becoming west. snow and
rain showers in the morning, then snow showers in the afternoon. 
.friday night...west winds to 30 knots diminishing to 10 to
15 knots. a chance of snow showers in the evening. 
.saturday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain and snow showers saturday night. 
.sunday...west winds 15 to 20 knots diminishing to 5 to 15 knots.
a chance of snow showers during the day. 
.monday...west winds 5 to 10 knots becoming south. a chance of
snow showers monday night. 

the water temperature off buffalo is 36 degrees.

$$

fzus51 kbuf 180903
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nearshore marine forecast
national weather service buffalo ny
403 am est thu dec 18 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.


loz042-181600-
niagara river to hamlin beach along lake ontario-
403 am est thu dec 18 2025

...small craft advisory in effect from 10 am est this morning
through friday morning...
...gale warning in effect from friday morning through late friday
night...

.today...south winds 10 to 15 knots increasing to 15 to 25 knots.
partly sunny. waves 1 to 3 feet. 
.tonight...south winds 15 to 25 knots becoming southwest to
30 knots. showers. waves 2 to 4 feet building to 4 to 7 feet.
waves occasionally around 9 feet. 
.friday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales in the afternoon. rain and snow
showers likely in the morning, then snow showers likely in the
afternoon. waves 5 to 8 feet building to 10 to 14 feet. waves
occasionally around 18 feet. 
.friday night...west gales to 35 knots diminishing to 15 to
20 knots. a chance of snow showers in the evening. waves 10 to
14 feet subsiding to 4 to 7 feet. waves occasionally around
18 feet. 
.saturday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of rain and snow showers. waves 3 to 5 feet
building to 6 to 9 feet. waves occasionally around 11 feet. 
.sunday...west gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. a chance of snow showers during
the day. waves 7 to 11 feet subsiding to 4 to 7 feet. waves
occasionally around 14 feet. 
.monday...west winds 5 to 15 knots becoming south. a chance of
snow showers monday night. waves 1 to 3 feet subsiding to 1 foot
or less. 

$$

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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
350 am est thu dec 18 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.


lhz441-181700-
port austin to harbor beach mi-
350 am est thu dec 18 2025

...small craft advisory in effect through this evening...
...gale watch in effect from late tonight through friday
evening...

.today...south winds 20 to 25 knots with gusts to 35 knot gales.
isolated showers in the morning, then showers in the afternoon.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.tonight...south winds to 30 knots becoming southwest 20 to
25 knots in the late evening and overnight. light showers until 
early morning. numerous light snow showers in the late evening and
early morning, then scattered light snow showers after midnight. 
waves 6 to 9 feet. waves occasionally around 12 feet. 
.friday...west gales to 35 knot gales with gusts to 40 knot
gales. mostly cloudy. scattered light snow showers until late
afternoon. waves 10 to 14 feet. waves occasionally around
18 feet. 
.friday night...west winds to 30 knots becoming southwest 15 to
20 knots in the late evening and overnight. mostly cloudy. waves
8 to 12 feet subsiding to 2 to 4 feet. waves occasionally around
15 feet. 

wave heights are for ice free areas.

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

$$

fzus53 kdtx 180850
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expires:202512181700;;786891

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
350 am est thu dec 18 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.


lhz442-181700-
harbor beach to port sanilac mi-
350 am est thu dec 18 2025

...small craft advisory in effect through this evening...
...gale watch in effect from late tonight through friday
evening...

.today...south winds 20 to 25 knots increasing to 30 knots late
in the afternoon. scattered showers in the morning, then showers 
in the afternoon. waves 6 to 9 feet. waves occasionally around 12 
feet. 
.tonight...south winds to 30 knots becoming southwest 20 to
25 knots in the late evening and early morning, then becoming
west 15 to 20 knots after midnight. light showers until early 
morning. numerous light snow showers in the late evening and early
morning, then scattered light snow showers and numerous showers 
after midnight. waves 6 to 9 feet subsiding to 2 to 4 feet after 
midnight. waves occasionally around 12 feet.
.friday...west winds to 30 knots with gusts to 35 knot gales.
mostly cloudy with scattered light snow showers. waves 4 to
6 feet. waves occasionally around 7 feet. 
.friday night...west winds to 30 knots becoming southwest 15 to
20 knots in the late evening and overnight. partly cloudy. waves
4 to 6 feet. waves occasionally around 8 feet. 

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

$$

fzus53 kdtx 180850
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expires:202512181700;;786892

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
350 am est thu dec 18 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.


lhz443-181700-
port sanilac to port huron mi-
350 am est thu dec 18 2025

...small craft advisory in effect through this evening...
...gale watch in effect from late tonight through friday
evening...

.today...south winds 20 to 25 knots with gusts to 30 knots.
mostly cloudy. rain showers in the afternoon. waves 4 to 6 feet.
waves occasionally around 7 feet. 
.tonight...south winds to 30 knots becoming southwest 20 to
25 knots in the late evening and early morning, then becoming
west after midnight. light showers until early morning, then 
scattered light snow showers and numerous showers after midnight. 
waves 5 to 7 feet subsiding to 1 to 3 feet after midnight. waves 
occasionally around 10 feet.
.friday...west winds to 30 knots increasing to 35 knot gales in
the late morning and early afternoon, then diminishing to
30 knots early in the afternoon. mostly cloudy with scattered
light snow showers. waves 4 to 6 feet. waves occasionally around
7 feet. 
.friday night...west winds to 30 knots becoming southwest 15 to
20 knots in the late evening and overnight. partly cloudy. waves
3 to 5 feet. waves occasionally around 7 feet. 

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

$$