fzus61 kbuf 170802
glflo 
expires:202609171500;;589995

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt thu sep 17 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 weak front stalled just south of the lake 
this morning will lift slightly back northward as a 30.2 inch 
surface low advances eastward along the front. this low, traveling 
south of the lake, will then carry the front southeast of the lake 
this evening. a 30.4 inch high will then build from northwest 
ontario province thursday night to southern quebec by saturday 
morning before moving off the new england coast by sunday while 
weakening to 30.2 inches. another 30.4 inch high will then build 
from northwest ontario province sunday to western quebec monday. 
meanwhile, a 29.8 inch low will move into the lower ohio valley by 
monday.


loz062-171500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt thu sep 17 2026

.today...northeast winds 10 knots or less becoming northwest.
waves 1 foot or less. 
.tonight...west winds 10 knots or less becoming north. waves
2 feet or less. 
.friday...north winds 10 knots or less. waves 2 feet or less. 
.friday night...north winds 10 to 15 knots becoming east. waves
2 feet or less building to 2 to 3 feet. 
.saturday...east winds 10 to 15 knots. showers likely saturday
night. waves 1 to 3 feet. 
.sunday...northeast winds 15 to 25 knots. showers likely during
the day. waves 2 to 3 feet building to 3 to 6 feet. 
.monday...northeast winds 15 to 25 knots becoming east to
30 knots. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 

$$

fzus61 kbuf 170802
glflo 
expires:202609171500;;589996

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt thu sep 17 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 weak front stalled just south of the lake 
this morning will lift slightly back northward as a 30.2 inch 
surface low advances eastward along the front. this low, traveling 
south of the lake, will then carry the front southeast of the lake 
this evening. a 30.4 inch high will then build from northwest 
ontario province thursday night to southern quebec by saturday 
morning before moving off the new england coast by sunday while 
weakening to 30.2 inches. another 30.4 inch high will then build 
from northwest ontario province sunday to western quebec monday. 
meanwhile, a 29.8 inch low will move into the lower ohio valley by 
monday.


loz063>065-171500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt thu sep 17 2026

.today...southeast winds 10 knots or less becoming north. a
chance of showers early. waves 1 foot or less. 
.tonight...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.friday...north winds 10 to 15 knots. waves 1 to 3 feet. 
.friday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.saturday...east winds 5 to 15 knots becoming southeast. showers
likely saturday night. waves 1 to 3 feet. 
.sunday...east winds 15 to 25 knots becoming northeast. showers
likely during the day. waves 1 to 3 feet building to 3 to 5 feet.
.monday...northeast winds 15 to 25 knots. waves 3 to 6 feet. 

$$

fzus61 kcle 170752
glfle 
expires:202609171415;;589596

open lake forecast for lake erie
national weather service cleveland oh
352 am edt thu sep 17 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 stationary front will slowly sag south tonight into thursday,
followed by high pressure of 30.20 inches for friday. low 
pressure 29.90 inches will track east in the vicinity of lake erie
on saturday and extend a cold front through the area on sunday. a
trough averaging 29.90 inches will linger behind the front into 
early next week while high pressure of 30.40 inches sets up north 
of the great lakes. 


lez061-168-169-171415-
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-
352 am edt thu sep 17 2026

.today...northeast winds 10 knots or less becoming north. a
slight chance of showers this morning. waves 2 feet or less. 
.tonight...north winds 10 knots or less increasing to 10 to
15 knots. a slight chance of showers after midnight. waves 2 feet
or less. 
.friday...north winds 15 to 20 knots becoming northeast 5 to
15 knots. waves 1 to 3 feet. 
.friday night...northeast winds 10 to 15 knots becoming east.
waves 1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming south. a chance of
showers during the day, then showers saturday night. waves 1 to
3 feet. 
.sunday...northeast winds 15 to 25 knots. showers likely during
the day. waves 2 to 4 feet building to 3 to 6 feet. 
.monday...northeast winds to 30 knots becoming east. a chance of
showers monday night. waves 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$