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nearshore marine forecast
national weather service buffalo ny
343 am edt wed mar 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.


loz043-044-181515-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
343 am edt wed mar 18 2026

...small craft advisory in effect until 7 am edt this morning...

.today...west winds 5 to 15 knots becoming south. lake effect 
snow showers likely early, then a chance of snow showers late this
morning. waves 3 to 6 feet subsiding to 2 feet or less. waves 
occasionally around 7 feet. 
.tonight...southeast winds 5 to 15 knots becoming south. a chance
of flurries overnight. waves 2 feet or less. 
.thursday...south winds 5 to 15 knots becoming southwest. mostly
cloudy. waves 2 feet or less. 
.thursday night...west winds 10 knots or less. mostly cloudy.
waves 2 feet or less. 
.friday...southwest winds 5 to 10 knots becoming west. a chance
of rain and snow showers during the day, then a chance of rain
showers friday night. waves 1 to 3 feet building to 3 to 6 feet.
waves occasionally around 7 feet. 
.saturday...northwest winds 10 to 15 knots becoming west. a
chance of rain showers. waves 4 to 7 feet building to 6 to
9 feet. waves occasionally around 11 feet. 
.sunday...northwest winds 15 to 25 knots becoming north to
30 knots. a chance of rain and snow showers. waves 7 to 11 feet.
waves occasionally around 14 feet. 

the water temperature off rochester is 37 degrees.

$$

fzus51 kbuf 180743
nshbuf
expires:202603181515;;888644

nearshore marine forecast
national weather service buffalo ny
343 am edt wed mar 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.


loz045-181515-
mexico bay to the saint lawrence river along lake ontario-
343 am edt wed mar 18 2026

...small craft advisory in effect until 7 am edt this morning...

.today...northwest winds 5 to 15 knots becoming south 10 knots or
less. partly to mostly sunny. waves in ice free areas 3 to 5 feet
subsiding to 2 feet or less. waves in ice free areas occasionally
around 6 feet. 
.tonight...southeast winds 5 to 15 knots becoming south 15 to
20 knots. mostly cloudy. waves 1 to 3 feet building to 2 to
4 feet. 
.thursday...south winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers. waves 2 to 4 feet subsiding
to 1 to 3 feet. 
.thursday night...southwest winds 10 knots or less becoming west.
mostly cloudy. waves 2 feet or less. 
.friday...southwest winds 10 knots or less becoming south. a
chance of rain and snow showers during the day, then a chance of
rain showers friday night. waves 2 feet or less building to 2 to
4 feet. 
.saturday...northwest winds 10 to 15 knots becoming southwest. a
chance of rain showers during the day, then a chance of rain and
snow showers saturday night. waves 2 to 4 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.sunday...northwest winds 15 to 25 knots becoming north to
30 knots. a chance of rain and snow showers. waves 7 to 10 feet
subsiding to 5 to 9 feet. waves occasionally around 13 feet. 

wave heights are for ice free areas.

$$