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nearshore marine forecast
national weather service buffalo ny
546 am edt thu mar 12 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.


loz042-121500-
niagara river to hamlin beach along lake ontario-
546 am edt thu mar 12 2026

...gale warning in effect until 11 am edt this morning...
...gale watch in effect from friday afternoon through saturday
morning...

.today...west winds to 30 knots diminishing to 15 to 25 knots. a
chance of snow showers this afternoon. waves 7 to 11 feet
subsiding to 5 to 8 feet. waves occasionally around 14 feet. 
.tonight...northwest winds 15 to 20 knots becoming south and
diminishing to 5 to 10 knots. partly cloudy. waves 3 to 6 feet
subsiding to 2 feet or less. waves occasionally around 7 feet. 
.friday...southeast winds 15 to 25 knots becoming southwest to
30 knots. snow and rain showers. waves 2 feet or less building to
4 to 7 feet. waves occasionally around 9 feet. 
.friday night...southwest winds to 30 knots becoming west and
increasing to 40 knot gales overnight. rain showers with a chance
of snow showers in the evening, then a chance of snow showers
overnight. waves 5 to 8 feet building to 11 to 15 feet. waves
occasionally around 19 feet. 
.saturday...west gales to 35 knots becoming northeast and
diminishing to 10 to 15 knots. a chance of snow showers saturday
night. waves 10 to 14 feet subsiding to 1 to 3 feet. waves
occasionally around 18 feet. 
.sunday...east winds 15 to 20 knots becoming south and increasing
to 30 knots. snow showers with rain showers likely. waves 2 to
4 feet building to 5 to 8 feet, then subsiding to 3 to 6 feet.
waves occasionally around 10 feet. 
.monday...south gales to 35 knots becoming west to 40 knots. rain
showers with a chance of snow showers during the day, then a
chance of snow and rain showers monday night. waves 5 to 8 feet
building to 11 to 16 feet. waves occasionally around 20 feet. 

$$

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nearshore marine forecast
national weather service buffalo ny
546 am edt thu mar 12 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.


lez020-121500-
upper niagara river and buffalo harbor-
546 am edt thu mar 12 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...west winds 15 to 20 knots diminishing to 10 to 15 knots.
mostly cloudy. 
.tonight...west winds 5 to 15 knots becoming south 10 knots or
less. partly cloudy. 
.friday...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 25 knots in the afternoon. snow showers in
the morning, then snow showers with rain showers likely in the
afternoon. 
.friday night...west winds 15 to 25 knots. rain showers likely
with a chance of snow showers in the evening, then a chance of
snow showers overnight. 
.saturday...west winds 15 to 20 knots becoming northeast and
diminishing to less than 10 knots. a chance of snow showers
saturday night. 
.sunday...east winds 5 to 15 knots becoming south and increasing
to 15 to 25 knots. snow showers with a chance of rain showers
during the day, then rain showers likely with a chance of snow
showers sunday night. 
.monday...south winds 15 to 25 knots becoming west. rain showers
with a chance of snow showers during the day, then a chance of
snow and rain showers monday night. 

the water temperature off buffalo is 33 degrees.

$$

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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
409 am edt thu mar 12 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.


lhz441-121615-
port austin to harbor beach mi-
409 am edt thu mar 12 2026

...small craft advisory in effect until 4 pm edt this afternoon...
...gale warning in effect from late tonight through late friday
night...

.today...northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 10 to 15 knots. mostly sunny in the morning
becoming partly cloudy. waves 6 to 9 feet subsiding to 3 to
5 feet in the afternoon. waves occasionally around 12 feet. 
.tonight...northwest winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and early morning, then increasing
to 20 to 25 knots with gusts to 35 knot gales after midnight.
mostly clear until early morning becoming mostly cloudy. a chance
of snow after midnight. snow may be heavy at times after
midnight. waves 1 to 3 feet building to 3 to 5 feet after
midnight. waves occasionally around 7 feet. 
.friday...south winds to 30 knots veering to the southwest early
in the afternoon. gusts to 40 knot gales. light snow early in the
morning, then light rain and snow likely in the late morning and
early afternoon. a chance of light snow early in the afternoon.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.friday night...west gales to 35 knot gales becoming northwest to
30 knots in the late evening and overnight. gusts to 40 knot
gales. mostly cloudy. a chance of light snow early in the
evening. freezing spray after midnight. waves 8 to 12 feet. waves
occasionally around 15 feet. 

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

$$

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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
409 am edt thu mar 12 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.


lhz442-121615-
harbor beach to port sanilac mi-
409 am edt thu mar 12 2026

...small craft advisory in effect until 4 pm edt this afternoon...
...gale warning in effect from late tonight through late friday
night...

.today...northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots with gusts to 30 knots in the late
morning and afternoon. mostly sunny in the morning becoming
partly cloudy. waves 4 to 6 feet subsiding to 2 to 4 feet late in
the afternoon. waves occasionally around 8 feet. 
.tonight...northwest winds 10 to 15 knots backing to the
southwest in the late evening and early morning, then becoming
south to 30 knots with gusts to 35 knot gales after midnight.
mostly clear until early morning. snow after midnight. waves 1 to
3 feet building to 4 to 6 feet after midnight. waves occasionally
around 8 feet. 
.friday...south gales to 35 knot gales becoming southwest to
30 knots in the late morning and afternoon. gusts to 45 knot
gales. snow until late afternoon. light rain in the late morning
and early afternoon, then a chance of light rain and snow early
in the afternoon. waves 8 to 12 feet subsiding to 4 to 6 feet
early in the afternoon. waves occasionally around 15 feet. 
.friday night...west gales to 35 knot gales becoming northwest to
30 knots in the late evening and overnight. gusts to 40 knot
gales. mostly cloudy early in the evening becoming partly cloudy.
a chance of light rain and snow early in the evening. waves 5 to
7 feet. waves occasionally around 10 feet. 

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

$$

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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
409 am edt thu mar 12 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.


lhz443-121615-
port sanilac to port huron mi-
409 am edt thu mar 12 2026

...small craft advisory in effect until 4 pm edt this afternoon...
...gale warning in effect from late tonight through late friday
night...

.today...northwest winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. mostly sunny in the
morning becoming partly cloudy. waves 3 to 5 feet subsiding to
2 to 4 feet late in the afternoon. waves occasionally around
7 feet. 
.tonight...northwest winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and early morning, then becoming
south 20 to 25 knots with gusts to 30 knots after midnight.
partly cloudy until early morning. light snow after midnight.
waves 1 to 3 feet building to 3 to 5 feet after midnight. waves
occasionally around 7 feet. 
.friday...south gales to 35 knot gales becoming southwest to
30 knots in the late morning and afternoon. gusts to 40 knot
gales. snow until late afternoon. light rain likely in the late
morning and early afternoon, then a chance of light snow early in
the afternoon. waves 6 to 9 feet subsiding to 4 to 6 feet early
in the afternoon. waves occasionally around 12 feet. 
.friday night...west winds to 30 knots with gusts to 40 knot
gales. mostly cloudy early in the evening becoming partly cloudy.
a chance of light snow early in the evening. waves 4 to 6 feet.
waves occasionally around 7 feet. 

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

$$