fzus61 kbuf 091403
glfsl 
expires:202606092100;;445513

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt tue jun 9 2026


slz022-024-092100-
saint lawrence river from cape vincent to saint regis
1003 am edt tue jun 9 2026

.this afternoon...west winds less than 10 knots. mostly sunny. 
.tonight...west winds less than 10 knots. a chance of showers
after midnight. 
.wednesday...south winds 5 to 10 knots. showers likely in the
morning, then showers with a chance of thunderstorms in the
afternoon. 
.wednesday night...south winds 10 knots or less becoming
southwest. showers with a chance of thunderstorms in the evening,
then showers overnight. 
.thursday...southwest winds 10 knots or less. a chance of
showers. 
.friday...southwest winds 5 to 10 knots. showers likely with a
chance of thunderstorms. 
.saturday...southwest winds 10 knots or less. mainly clear, then
becoming partly cloudy. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 091402
glflo 
expires:202606092100;;445487

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue jun 9 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 30.2 inch high near the delmarva will track offshore 
this afternoon, where it will then remain anchored through 
wednesday. meanwhile, a 29.8 inch low over lower michigan this 
afternoon will slowly track northeast into southeastern ontario by 
wednesday morning while sending an attendant warm front across the 
lake, then moves into southern quebec by wednesday evening. another 
warm front will cross the lake thursday night ahead of a 29.7 inch 
trough that will cross the lake later friday, while also sending an 
attendant cold front across the lake friday afternoon and friday 
night.


loz063>065-092100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt tue jun 9 2026

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

winds and waves higher in and near thunderstorms.

$$