fzus61 kbuf 190803
glfsl 
expires:202610191500;;353241

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am edt mon oct 19 2026


slz022-024-191500-
saint lawrence river from cape vincent to saint regis
403 am edt mon oct 19 2026

.today...southwest winds 5 to 10 knots. sunny.
.tonight...southwest winds 10 knots or less becoming north.
mainly clear through the early overnight, then becoming partly
cloudy. 
.tuesday...north winds 5 to 10 knots becoming northeast. sunny.
.tuesday night...northeast winds 10 knots or less. mainly clear. 
.wednesday...northeast winds less than 10 knots. mainly clear. 
.thursday...light and variable winds becoming north 5 to
10 knots. becoming mainly clear. 
.friday...north winds 5 to 10 knots becoming light and variable.
mainly clear. 

$$

fzus61 kbuf 190802
glflo 
expires:202610191500;;353216

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon oct 19 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 ridge averaging 30.2 inches affects the lake through 
friday. one embedded high pressure center will weaken over atlantic 
canada today. another embedded and reinforcing high pressure center 
will move from near the border of the north-central united states 
and canada to near the canadian maritimes through wednesday. a third 
embedded and reinforcing high pressure center will wobble eastward 
from the canadian prairies to northern ontario this wednesday 
through thursday and then wobble southeastward to southern ontario 
this thursday night through friday.


loz063>065-191500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt mon oct 19 2026

.today...southwest winds 15 to 20 knots becoming west 5 to
15 knots. waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. waves 1 to 3 feet. 
.tuesday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...northeast winds 10 to 15 knots. waves 1 to
3 feet. 
.wednesday...northeast winds 10 knots or less becoming northwest.
waves 2 feet or less. 
.thursday...north winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. waves 1 foot or less building to
2 to 4 feet. 
.friday...northeast winds 15 to 20 knots becoming southeast 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 

$$