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open lake forecast for lake ontario
national weather service buffalo ny
1003 am est sat mar 7 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 29.6 inch low will lift across the upper great lakes 
today, with its trailing cold front crossing the lake tonight. 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 30.0 inches across the lake tuesday.


loz062-063-072200-
lake ontario open waters from the niagara river to sodus bay-
1003 am est sat mar 7 2026

.rest of today...south winds 15 to 25 knots becoming southwest.
patchy fog. a chance of showers late this morning, then showers
with a chance of thunderstorms this afternoon. waves 3 to 6 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.tonight...southwest winds 15 to 25 knots becoming west. patchy
fog in the evening. rain showers with a chance of thunderstorms
early, then a chance of rain showers late in the evening. 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
1 to 3 feet. 
.tuesday...northwest winds 5 to 15 knots becoming east and
increasing to 15 to 25 knots. rain showers tuesday night. waves
1 to 2 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.wednesday...east winds to 30 knots becoming northwest. rain
showers during the day, then rain showers with snow showers
likely wednesday night. waves 5 to 8 feet building to 8 to
11 feet. waves occasionally around 14 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1003 am est sat mar 7 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 29.6 inch low will lift across the upper great lakes 
today, with its trailing cold front crossing the lake tonight. 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 30.0 inches across the lake tuesday.


loz064-065-072200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1003 am est sat mar 7 2026

.rest of today...south winds 15 to 25 knots. a chance of showers,
then showers with a chance of thunderstorms late. patchy fog
late. waves 3 to 6 feet. 
.tonight...southwest winds 15 to 20 knots becoming west. patchy
fog in the evening. rain showers with a chance of thunderstorms
early, then rain showers likely late in the evening. a chance of
rain showers after midnight. waves 3 to 6 feet. 
.sunday...west winds 15 to 20 knots becoming southwest. waves
3 to 6 feet subsiding to 2 to 4 feet. 
.sunday night...southwest winds 15 to 20 knots becoming south.
waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...south winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...west winds 5 to 10 knots becoming northeast and
increasing to 15 to 25 knots. rain showers tuesday night. waves
1 to 3 feet building to 3 to 6 feet. 
.wednesday...east winds to 30 knots becoming northwest. rain
showers during the day, then rain showers with snow showers
likely wednesday night. waves 4 to 7 feet building to 8 to
11 feet. waves occasionally around 14 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
935 am est sat mar 7 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 sweep eastward across lake erie this 
evening. behind the front, a ridge averaging 29.90 inches builds 
from the upper midwest through sunday before the ridge starts to 
exit eastward and southward on monday. during monday night, a
southeastward-moving cold front should stall in vicinity of the 
southwestern great lakes and southern ontario, and remain stalled 
just west through north of lake erie through tuesday night as 
multiple, weak lows averaging 29.70 inches move generally 
northeastward along the front. on wednesday, the front should 
sweep southeastward across lake erie as a cold front as a stronger
low moves generally northeastward from the southwestern great 
lakes to southern quebec and deepens to near 29.50 inches. behind 
the front, a ridge averaging 30.10 inches should build from the 
northern and central great plains through thursday. 


lez061-167>169-072130-
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-
935 am est sat mar 7 2026

.rest of today...south winds 15 to 20 knots becoming southwest. a
chance of rain with a slight chance of thunderstorms late this
morning, then rain with a chance of thunderstorms this afternoon.
the lake is mostly ice covered.
.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 knots. rain likely with a chance of thunderstorms early, then
a chance of rain with a slight chance of thunderstorms late in
the evening. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. 
.sunday night...southwest winds 15 to 20 knots. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. 
.tuesday...southeast winds 5 to 10 knots becoming south and
increasing to 15 to 25 knots. rain tuesday night. 
.wednesday...southwest winds to 30 knots becoming northwest. rain
during the day, then rain and snow likely wednesday night. 

winds and waves higher in and near thunderstorms.

waves omitted due to the lake being mostly ice covered.

$$