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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est wed mar 4 2026

for waters beyond five nautical miles of shore on lake ontario

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.

.synopsis...a 30.3 inch high over southern new england this evening, 
will slide east off the coast tonight. a 29.9 inch low will then 
track from the mid mississippi valley tonight to just south of lake 
erie thursday, across pennsylvania thursday night, then off the 
jersey coast friday while weakening to 30.1 inches. another 29.6 
inch low is then forecast to lift across the upper great lakes 
saturday, with its trailing cold front crossing the lake saturday 
night. a large 30.1 inch high will then move from the lower ohio 
valley to the mid atlantic region sunday and monday while ridging 
north across the lake.


loz062-063-051000-
lake ontario open waters from the niagara river to sodus bay-
1002 pm est wed mar 4 2026

.overnight...east winds 5 to 10 knots becoming northeast.
patchy fog. waves 1 foot or less. 
.thursday...northeast winds 15 to 25 knots. patchy fog early. a
chance of rain late. waves 1 to 3 feet building to 4 to 7 feet.
waves occasionally around 9 feet. 
.thursday night...northeast winds 15 to 25 knots becoming east.
rain and freezing rain in the evening, then rain with a chance of
freezing rain overnight. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.friday...east winds 15 to 20 knots diminishing to 5 to 15 knots.
rain likely in the morning. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.friday night...southeast winds 10 to 15 knots becoming south
15 to 20 knots. a chance of rain showers in the evening, then
rain showers likely overnight. waves 1 to 3 feet building to 2 to
4 feet. 
.saturday...south winds 15 to 25 knots becoming west. rain
showers. waves 3 to 6 feet building to 4 to 7 feet, then
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.sunday...west winds 15 to 25 knots becoming southwest. waves
3 to 6 feet. 
.monday...southwest winds 15 to 25 knots. waves 3 to 6 feet
subsiding to 3 to 5 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est wed mar 4 2026

for waters beyond five nautical miles of shore on lake ontario

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.

.synopsis...a 30.3 inch high over southern new england this evening, 
will slide east off the coast tonight. a 29.9 inch low will then 
track from the mid mississippi valley tonight to just south of lake 
erie thursday, across pennsylvania thursday night, then off the 
jersey coast friday while weakening to 30.1 inches. another 29.6 
inch low is then forecast to lift across the upper great lakes 
saturday, with its trailing cold front crossing the lake saturday 
night. a large 30.1 inch high will then move from the lower ohio 
valley to the mid atlantic region sunday and monday while ridging 
north across the lake.


loz064-065-051000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est wed mar 4 2026

.overnight...east winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.thursday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain late. waves 2 feet or less building to
3 to 5 feet. 
.thursday night...northeast winds 15 to 20 knots becoming east.
rain with freezing rain likely. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.friday...east winds 15 to 20 knots becoming southeast 10 to
15 knots. rain and freezing rain likely in the morning. waves
1 to 3 feet. 
.friday night...southeast winds 15 to 25 knots becoming south.
rain showers likely overnight. waves 2 feet or less building to
3 to 5 feet. 
.saturday...south winds 15 to 25 knots becoming west. rain
showers. waves 3 to 6 feet building to 4 to 7 feet, then
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 3 to 5 feet building to 3 to 6 feet. 
.monday...southwest winds 15 to 20 knots. waves 3 to 6 feet
subsiding to 3 to 5 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
336 am est thu mar 5 2026

for waters beyond five nautical miles of shore on lake erie

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.

.synopsis...
a stalled frontal boundary will waver over northern ohio through 
tonight before it lifts northward across lake erie as a warm 
front on friday. low pressure 29.70 inches will track northeast 
through the upper midwest and upper great lakes on saturday. a 
trailing cold front will sweep eastward across lake erie saturday 
evening. a ridge averaging 30.10 inches will build into the ohio 
valley region sunday before shifting east by monday.


lez061-167>169-051545-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
336 am est thu mar 5 2026

.today...northeast winds 5 to 15 knots. areas of dense fog. a
chance of rain showers and freezing rain likely early, then a
chance of rain showers and freezing rain late this morning. rain
showers this afternoon. the lake is mostly ice covered.
.tonight...northeast winds 5 to 15 knots diminishing to less than
10 knots. rain showers early, then a chance of rain showers late
in the evening. areas of dense fog early, then patchy fog from
late evening on. 
.friday...northeast winds 10 knots or less becoming east. patchy
dense fog in the morning. 
.friday night...southeast winds 5 to 15 knots becoming south
15 to 20 knots. a chance of showers overnight. 
.saturday...south winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. rain showers during the day, then a
chance of rain showers saturday night. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. 
.monday...southwest winds 15 to 20 knots. 

winds and waves higher in and near thunderstorms.

waves omitted due to the lake being mostly ice covered.

$$