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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue jul 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 29.9 inch low will move off the southern new england 
coast today. a broad 30.1 inch high will then build across the lower 
great lakes tonight through wednesday, then drift off the east coast 
thursday. a weak cold front will cross the lake thursday night 
through early friday before another 30.1 inch high builds across the 
upper great lakes friday and the lower great lakes by saturday night.


loz062-071500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt tue jul 7 2026

.today...east winds 10 to 15 knots. waves 1 to 3 feet. 
.tonight...east winds 10 knots or less. waves 1 to 3 feet. 
.wednesday...light and variable winds. waves 1 foot or less. 
.wednesday night...southeast winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms thursday night. waves
2 feet or less. 
.friday...west winds 10 knots or less becoming north. showers
likely during the day. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 070802
glflo 
expires:202607071500;;555146

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue jul 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 29.9 inch low will move off the southern new england 
coast today. a broad 30.1 inch high will then build across the lower 
great lakes tonight through wednesday, then drift off the east coast 
thursday. a weak cold front will cross the lake thursday night 
through early friday before another 30.1 inch high builds across the 
upper great lakes friday and the lower great lakes by saturday night.


loz063>065-071500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt tue jul 7 2026

.today...east winds 5 to 15 knots. waves 2 feet or less. 
.tonight...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 
.wednesday...south winds 10 knots or less becoming north. waves
1 foot or less. 
.wednesday night...southwest winds 10 knots or less. waves 1 foot
or less. 
.thursday...southwest winds 5 to 10 knots. showers likely with a
chance of thunderstorms thursday night. waves 1 foot or less. 
.friday...west winds 5 to 10 knots becoming north. showers likely
with a chance of thunderstorms during the day. waves 1 foot or
less. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
341 am edt tue jul 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 weak trough averaging 29.90 inches will linger near lake erie 
today. weak high pressure 30.00 inches will build in wednesday 
into thursday. a cold front will cross the lake on friday before 
high pressure 30.00 inches returns on saturday.


lez061-168-169-071415-
ripley to buffalo ny extending from 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-
341 am edt tue jul 7 2026

.today...northeast winds 5 to 10 knots. waves 1 foot or less. 
.tonight...northeast winds 10 knots or less. waves 1 foot or
less. 
.wednesday...east winds less than 10 knots. waves 1 foot or less.
.wednesday night...light and variable winds becoming south 5 to
10 knots. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots. showers with a chance
of thunderstorms thursday night. waves 2 feet or less. 
.friday...west winds 5 to 10 knots becoming northeast. showers
likely with a chance of thunderstorms during the day. waves 1 to
2 feet. 
.saturday...northeast winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$