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nearshore marine forecast
national weather service buffalo ny
927 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.


loz043-044-122115-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
927 am edt thu mar 12 2026

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

.rest of today...west winds to 30 knots. scattered snow showers
late this morning. scattered snow showers late. waves 10 to
13 feet subsiding to 8 to 11 feet. waves occasionally around
16 feet. 
.tonight...northwest winds to 30 knots becoming southwest and
diminishing to 5 to 15 knots overnight. partly to mostly cloudy.
waves 7 to 10 feet subsiding to 2 to 4 feet. waves occasionally
around 13 feet. 
.friday...south winds 10 to 15 knots becoming southwest and
increasing to 30 knots in the afternoon. snow showers in the
morning, then rain and snow showers in the afternoon. waves 1 to
2 feet building to 3 to 5 feet. waves occasionally around 6 feet.
.friday night...southwest winds to 30 knots becoming west and
increasing to 40 knot gales overnight. rain showers with snow
showers likely in the evening, then snow showers likely
overnight. waves 5 to 8 feet building to 15 to 19 feet. waves
occasionally around 24 feet. 
.saturday...west gales to 40 knots becoming north and diminishing
to 5 to 10 knots. snow showers likely during the day. waves 15 to
20 feet subsiding to 2 to 4 feet. waves occasionally around
26 feet. 
.sunday...east winds 15 to 25 knots becoming southeast and
increasing to 40 knot gales. snow showers likely during the day,
then a chance of rain and snow showers likely sunday night. waves
1 to 3 feet building to 5 to 8 feet. waves occasionally around
10 feet. 
.monday...south gales to 35 knots becoming west. rain showers
during the day, then rain showers with snow showers likely monday
night. waves 4 to 7 feet building to 13 to 17 feet. waves
occasionally around 22 feet. 

the water temperature off rochester is 39 degrees.

$$

fzus51 kbuf 121327
nshbuf
expires:202603122115;;077047

nearshore marine forecast
national weather service buffalo ny
927 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.


loz045-122115-
mexico bay to the saint lawrence river along lake ontario-
927 am edt thu mar 12 2026

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

.rest of today...west winds to 30 knots. scattered snow showers
late this morning. waves in ice free areas 9 to 12 feet subsiding
to 7 to 10 feet. waves in ice free areas occasionally around
15 feet. 
.tonight...northwest winds to 30 knots becoming west and
diminishing to 5 to 15 knots overnight. partly to mostly cloudy.
waves 5 to 9 feet subsiding to 1 to 3 feet. waves occasionally
around 11 feet. 
.friday...south winds 10 to 15 knots increasing to 30 knots. snow
showers likely in the morning, then snow and rain showers in the
afternoon. waves 1 to 3 feet building to 3 to 6 feet. waves
occasionally around 7 feet. 
.friday night...southwest winds to 30 knots increasing to 40 knot
gales overnight. rain and snow showers. waves 6 to 9 feet
building to 14 to 18 feet. waves occasionally around 23 feet. 
.saturday...west gales to 40 knots becoming north and diminishing
to 5 to 10 knots. snow showers likely during the day. waves 14 to
18 feet subsiding to 2 to 4 feet. waves occasionally around
23 feet. 
.sunday...east winds 10 to 15 knots becoming southeast and
increasing to 40 knot gales. snow showers likely during the day,
then snow showers likely with a chance of rain showers sunday
night. waves 1 to 3 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.monday...south gales to 40 knots becoming west. rain and snow
showers. waves 7 to 10 feet building to 13 to 17 feet. waves
occasionally around 22 feet. 

wave heights are for ice free areas.

$$