fzus61 kbuf 301403
glfsl 
expires:202606302100;;167652

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt tue jun 30 2026


slz022-024-302100-
saint lawrence river from cape vincent to saint regis
1003 am edt tue jun 30 2026

.this afternoon...southwest winds 5 to 15 knots. a chance of
showers and thunderstorms. 
.tonight...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms in the evening. a chance of showers and
thunderstorms late. 
.wednesday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms. 
.wednesday night...southwest winds 10 knots or less. a chance of
showers and thunderstorms in the evening. 
.thursday...southwest winds 5 to 15 knots. a chance of showers
and thunderstorms. 
.friday...west winds 10 knots or less becoming southwest. partly
cloudy. 
.saturday...west winds less than 10 knots. a chance of showers
and thunderstorms. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 301402
glflo 
expires:202606302100;;167629

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue jun 30 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 cross the lake today, then a 30.1 inch 
high will build into the ohio valley and mid atlantic by wednesday, 
where it will remain through at least thursday. a weak 29.9 inch 
trough will then approach and cross the lake friday into saturday.


loz062-302100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt tue jun 30 2026

.this afternoon...southwest winds less than 10 knots increasing to
10 to 15 knots. a chance of showers and thunderstorms. waves
2 feet or less. 
.tonight...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet. 
.wednesday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers and thunderstorms in the
evening. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...west winds 5 to 10 knots. a chance of showers and
thunderstorms. waves 1 to 2 feet. 
.saturday...west winds 5 to 10 knots becoming north. a chance of
showers and thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 301402
glflo 
expires:202606302100;;167630

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue jun 30 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 cross the lake today, then a 30.1 inch 
high will build into the ohio valley and mid atlantic by wednesday, 
where it will remain through at least thursday. a weak 29.9 inch 
trough will then approach and cross the lake friday into saturday.


loz063>065-302100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt tue jun 30 2026

.this afternoon...south winds 5 to 10 knots. a chance of showers
and thunderstorms. waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms late in the evening. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots. waves 1 to
3 feet. 
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...west winds 5 to 15 knots. a chance of showers and
thunderstorms friday night. waves 1 to 2 feet. 
.saturday...west winds 5 to 10 knots becoming northwest. a chance
of showers and thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 301338
glfle 
expires:202606302015;;167060

open lake forecast for lake erie
national weather service cleveland oh
938 am edt tue jun 30 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 ridge averaging 30.00 inches will build from the south today and
remain through friday. a weak trough averaging 29.90 inches will 
enter on friday night into saturday.


lez061-165>169-302015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm 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-
938 am edt tue jun 30 2026

.this afternoon...southwest winds 5 to 10 knots. waves 1 to
2 feet. 
.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday night...southwest winds 5 to 10 knots. waves 1 to
3 feet. 
.thursday...southwest winds 5 to 15 knots. waves 1 to 2 feet. 
.friday...southwest winds 5 to 10 knots. showers likely with a
chance of thunderstorms friday night. waves 2 feet or less. 
.saturday...west winds 5 to 10 knots becoming north. a chance of
showers during the day, then a chance of showers and
thunderstorms saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$