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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
949 am edt fri oct 4 2024


slz022-024-042115-
saint lawrence river from cape vincent to saint regis
949 am edt fri oct 4 2024

.this afternoon...southwest winds less than 10 knots becoming
northwest. sunny, then becoming partly sunny. 
.tonight...north winds less than 10 knots becoming northwest. a
chance of showers in the evening. 
.saturday...light and variable winds. sunny.
.saturday night...light and variable winds. mainly clear. 
.sunday...southeast winds 5 to 15 knots becoming south. showers.
.monday...southwest winds 5 to 10 knots becoming west. a chance
of showers. 
.tuesday...west winds 10 knots or less. a chance of rain showers.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
948 am edt fri oct 4 2024

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 weak cold front will cross the lake late this
afternoon or evening. a 30.3 inch high will then build from the 
upper great lakes tonight to quebec and the lower great lakes 
saturday before retreating to labrador by sunday. a 29.3 inch low 
over northwest ontario province early sunday will push a strong 
cold front across the lake sunday night. the low will move to near
james bay by monday while expansive high pressure centered over 
the upper mississippi valley will move east through the middle of 
next week.


loz062-042115-
lake ontario open waters from the niagara river to hamlin beach-
948 am edt fri oct 4 2024

.this afternoon...northeast winds 5 to 15 knots becoming northwest
less than 10 knots. waves 1 foot or less. 
.tonight...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.saturday...north winds 10 knots or less becoming west. waves
2 feet or less. 
.saturday night...south winds 10 knots or less becoming southeast
10 to 15 knots. waves 2 feet or less. 
.sunday...south winds 10 to 15 knots becoming west 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 2 to 4 feet. 
.monday...west winds 15 to 20 knots becoming northwest. a chance
of showers. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.tuesday...northwest winds 10 to 15 knots. a chance of showers.
waves 2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 041348
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open lake forecast for lake ontario
national weather service buffalo ny
948 am edt fri oct 4 2024

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 weak cold front will cross the lake late this
afternoon or evening. a 30.3 inch high will then build from the 
upper great lakes tonight to quebec and the lower great lakes 
saturday before retreating to labrador by sunday. a 29.3 inch low 
over northwest ontario province early sunday will push a strong 
cold front across the lake sunday night. the low will move to near
james bay by monday while expansive high pressure centered over 
the upper mississippi valley will move east through the middle of 
next week.


loz063>065-042115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
948 am edt fri oct 4 2024

.this afternoon...southwest winds 5 to 10 knots becoming
northwest. waves 1 foot or less. 
.tonight...northwest winds 5 to 15 knots becoming north. a chance
of showers in the evening. waves 2 feet or less. 
.saturday...north winds 5 to 15 knots becoming northwest. waves
2 feet or less. 
.saturday night...north winds 10 knots or less becoming southeast
10 to 15 knots. waves 2 feet or less. 
.sunday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. 
.monday...west winds 15 to 20 knots becoming northwest. a chance
of showers. waves 3 to 6 feet. 
.tuesday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 3 to 5 feet subsiding to
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
943 am edt fri oct 4 2024

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 weak cold front will cross lake erie today ahead of high
pressure of 30.30 inches strengthening over the central great 
lakes tonight. a warm front will lift north across lake erie 
saturday night into early sunday morning followed by a cold front 
with low pressure 29.80 inches sweeping east across the area 
sunday afternoon into sunday night. a ridge averaging 30.10 inches
builds into the ohio valley on monday while a trough of 29.90
inches lingers over the eastern great lakes.


lez061-167>169-042015-
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-
943 am edt fri oct 4 2024

.this afternoon...east winds 5 to 10 knots becoming north. a
slight chance of showers late. waves 1 foot or less. 
.tonight...north winds 5 to 15 knots becoming northeast. a slight
chance of showers early. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday night...east winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.sunday...south winds 15 to 25 knots becoming northwest. a chance
of showers and thunderstorms during the day. waves 2 to 4 feet
building to 3 to 5 feet. 
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet. 
.tuesday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$