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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est fri mar 6 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 warm front will lift north across the lower great 
lakes today. a 29.6 inch low will 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. a 28.9 inch low may move across james bay 
monday while pressure averages 29.9 inches across the lake tuesday.


loz062-063-071000-
lake ontario open waters from the niagara river to sodus bay-
1002 pm est fri mar 6 2026

.rest of tonight...southeast winds 15 to 25 knots becoming south.
a chance of rain showers late this evening, then rain showers
likely with a chance of thunderstorms after midnight. patchy fog
after midnight. waves 2 to 4 feet building to 3 to 6 feet. 
.saturday...south winds 15 to 25 knots becoming southwest to
30 knots. showers likely with a chance of thunderstorms early,
then a chance of showers and thunderstorms late in the morning.
showers with a chance of thunderstorms in the afternoon. waves
3 to 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.saturday night...southwest winds 15 to 25 knots becoming west.
rain showers likely with a chance of thunderstorms in the
evening, then rain showers likely overnight. waves 4 to 7 feet
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. 
.sunday night...southwest winds 15 to 25 knots. waves 3 to
6 feet. 
.monday...southwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. waves 3 to 6 feet subsiding to
2 to 4 feet. 
.tuesday...north winds 5 to 15 knots becoming northeast and
increasing to 15 to 25 knots. a chance of rain showers during the
day, then rain showers tuesday night. waves 1 to 3 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday...northeast winds to 30 knots becoming north. rain
showers during the day, then rain showers likely with a chance of
snow showers wednesday night. waves 5 to 8 feet. waves
occasionally around 10 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est fri mar 6 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 warm front will lift north across the lower great 
lakes today. a 29.6 inch low will 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. a 28.9 inch low may move across james bay 
monday while pressure averages 29.9 inches across the lake tuesday.


loz064-065-071000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est fri mar 6 2026

.rest of tonight...southeast winds to 30 knots becoming south.
rain showers likely after midnight. rain showers likely with a
chance of thunderstorms late. waves 2 to 4 feet building to 4 to
7 feet. waves occasionally around 9 feet. 
.saturday...south winds 15 to 25 knots. showers with a chance of
thunderstorms. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.saturday night...south winds 15 to 20 knots becoming west. rain
showers with a chance of thunderstorms in the evening, then rain
showers overnight. waves 3 to 6 feet. 
.sunday...west winds 15 to 20 knots becoming southwest. a chance
of rain showers in the morning. waves 3 to 6 feet subsiding to
2 to 4 feet. 
.sunday night...southwest winds 15 to 20 knots becoming south
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.monday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 2 to 4 feet. 
.tuesday...northwest winds 5 to 10 knots becoming northeast and
increasing to 15 to 25 knots. a chance of rain showers during the
day, then rain showers tuesday night. waves 1 to 3 feet building
to 3 to 5 feet. 
.wednesday...northeast winds to 30 knots becoming north. rain
showers during the day, then rain and snow showers likely
wednesday night. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
928 pm est fri mar 6 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 strong cold front will move east late saturday. a ridge 
averaging 29.90 inches tracks through sunday night and monday, 
followed by a stationary front settling just north of lake erie 
monday night. low pressure approaches, and a strong cold front 
moves through wednesday.


lez061-167>169-070915-
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-
928 pm est fri mar 6 2026

...dense fog advisory in effect until 8 am est saturday...

.rest of tonight...south winds 10 to 15 knots increasing to 15 to
20 knots. areas of dense fog. a slight chance of rain and
thunderstorms late this evening, then a chance of rain and
thunderstorms after midnight. the lake is mostly ice covered.
.saturday...south winds 15 to 20 knots becoming southwest. areas
of dense fog early. a chance of rain and thunderstorms early,
then a chance of showers and thunderstorms late in the morning.
showers with a chance of thunderstorms in the afternoon. 
.saturday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. rain showers likely with a chance of
thunderstorms in the evening. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. 
.sunday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. 
.tuesday...southeast winds 5 to 15 knots increasing to 15 to
20 knots. a chance of rain during the day, then rain tuesday
night. 
.wednesday...east winds 15 to 25 knots becoming northwest. rain
during the day, then a chance of snow and rain wednesday night. 

winds and waves higher in and near thunderstorms.

waves omitted due to the lake being mostly ice covered.

$$