fzus61 kbuf 030908
glflo 
expires:202507031515;;798413

open lake forecast for lake ontario
national weather service buffalo ny
508 am edt thu jul 3 2025

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 slowly cross the lower great 
lakes today. an expansive 30.1 inch area of high pressure will then 
build eastward across the great lakes tonight and friday...before 
drifting to the eastern seaboard saturday. a wavy cold frontal 
boundary is then forecast to slowly push southeastward across the 
upper great lakes and southern ontario during sunday, then across 
the lower great lakes on monday.


loz062-031515-
lake ontario open waters from the niagara river to hamlin beach-
508 am edt thu jul 3 2025

.today...northwest winds around 10 knots becoming west. waves
1 to 2 feet. 
.tonight...northwest winds 5 to 15 knots becoming north. waves
1 to 2 feet. 
.friday...north winds 10 knots or less becoming southwest. waves
1 foot or less. 
.friday night...south winds 5 to 10 knots. waves 1 foot or less. 
.saturday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.sunday...southwest winds 10 to 15 knots becoming west. a chance
of showers and thunderstorms sunday night. waves 1 to 3 feet. 
.monday...northwest winds around 10 knots becoming north. a
chance of showers and thunderstorms during the day. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 030908
glflo 
expires:202507031515;;798414

open lake forecast for lake ontario
national weather service buffalo ny
508 am edt thu jul 3 2025

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 slowly cross the lower great 
lakes today. an expansive 30.1 inch area of high pressure will then 
build eastward across the great lakes tonight and friday...before 
drifting to the eastern seaboard saturday. a wavy cold frontal 
boundary is then forecast to slowly push southeastward across the 
upper great lakes and southern ontario during sunday, then across 
the lower great lakes on monday.


loz063>065-031515-
lake ontario open waters from hamlin beach to the saint lawrence
river-
508 am edt thu jul 3 2025

.today...west winds around 10 knots. a chance of showers this
morning. waves 1 to 2 feet. 
.tonight...west winds 5 to 10 knots becoming north. waves 2 feet
or less. 
.friday...north winds 5 to 10 knots becoming west. waves 1 foot
or less. 
.friday night...southwest winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.saturday...south winds 5 to 15 knots. waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots. a chance of showers and
thunderstorms sunday night. waves 1 to 3 feet. 
.monday...west winds 5 to 10 knots becoming north. a chance of
showers and thunderstorms. waves 1 to 3 feet subsiding to 1 foot
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 030802
glfsl 
expires:202507031500;;795396

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 am edt thu jul 3 2025


slz022-024-031500-
saint lawrence river from cape vincent to saint regis
402 am edt thu jul 3 2025

.today...southwest winds 10 knots or less becoming west. a chance
of showers and thunderstorms this morning, then showers likely
with a chance of thunderstorms this afternoon. 
.tonight...northwest winds less than 10 knots. a chance of
showers and thunderstorms early. 
.friday...northwest winds less than 10 knots becoming west.
sunny.
.friday night...west winds less than 10 knots becoming south.
mainly clear in the evening, then becoming partly cloudy. 
.saturday...southwest winds 5 to 10 knots. partly cloudy. 
.sunday...southwest winds 5 to 10 knots becoming west. a chance
of showers during the day, then a chance of showers and
thunderstorms sunday night. 
.monday...northwest winds 10 knots or less becoming north. a
chance of showers and thunderstorms. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 030744
glfle 
expires:202507031415;;794712

open lake forecast for lake erie
national weather service cleveland oh
344 am edt thu jul 3 2025

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 the lake late today, followed by 
building high pressure 30.10 inches on friday before it departs to
the east coast on saturday and sunday. another cold front pushes
east on monday.


lez061-168-169-031415-
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-
344 am edt thu jul 3 2025

.today...west winds 5 to 10 knots. a slight chance of showers and
thunderstorms early. waves 1 to 2 feet. 
.tonight...west winds 10 knots or less becoming northeast. waves
1 foot or less. 
.friday...east winds less than 10 knots becoming northeast. waves
1 foot or less. 
.friday night...east winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...south winds 5 to 10 knots. waves 2 feet or less. 
.sunday...southwest winds around 10 knots. a chance of showers
and thunderstorms sunday night. waves 1 to 2 feet. 
.monday...west winds 5 to 10 knots becoming northeast. a chance
of showers and thunderstorms during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$