fzus61 kbuf 172004
glflo 
expires:202604180300;;539930

open lake forecast for lake ontario
national weather service buffalo ny
404 pm edt fri apr 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 30.0 inch high over the lake this evening will slide 
east into new england tonight. meanwhile, a 29.4 inch low near lake 
superior this evening will move to james bay and deepen to 29.0 
inches saturday, while pushing a trailing strong cold front across 
the lake later saturday and saturday evening. a 30.4 inch high will 
then settle southeastward across the great lakes sunday through 
monday night, before sliding off the mid-atlantic coast tuesday. a 
29.4 inch low over lower hudson bay tuesday, will weaken to 29.9 
inches by wednesday, while pushing an attendant weak cold front 
across the lake tuesday night. a 30.2 inch high will then build 
across the great lakes region wednesday and thursday.


loz062-180300-
lake ontario open waters from the niagara river to hamlin beach-
404 pm edt fri apr 17 2026

.tonight...east winds 10 knots or less increasing to 10 to
15 knots. patchy fog. waves 2 feet or less. 
.saturday...southeast winds 10 to 15 knots becoming southwest
15 to 20 knots. patchy fog early. a chance of showers late in the
morning. showers in the afternoon. waves 1 to 3 feet. 
.saturday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. rain showers likely. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of rain showers. waves 2 to 4 feet building to 3 to
5 feet. 
.sunday night...west winds 15 to 20 knots becoming northwest. a
chance of rain showers in the evening. waves 3 to 5 feet. 
.monday...northwest winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots becoming northwest. a
chance of rain showers. waves 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less. 

$$

fzus61 kbuf 172004
glflo 
expires:202604180300;;539931

open lake forecast for lake ontario
national weather service buffalo ny
404 pm edt fri apr 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 30.0 inch high over the lake this evening will slide 
east into new england tonight. meanwhile, a 29.4 inch low near lake 
superior this evening will move to james bay and deepen to 29.0 
inches saturday, while pushing a trailing strong cold front across 
the lake later saturday and saturday evening. a 30.4 inch high will 
then settle southeastward across the great lakes sunday through 
monday night, before sliding off the mid-atlantic coast tuesday. a 
29.4 inch low over lower hudson bay tuesday, will weaken to 29.9 
inches by wednesday, while pushing an attendant weak cold front 
across the lake tuesday night. a 30.2 inch high will then build 
across the great lakes region wednesday and thursday.


loz063>065-180300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
404 pm edt fri apr 17 2026

.tonight...west winds 10 knots or less becoming southeast 10 to
15 knots. patchy fog. waves 2 feet or less. 
.saturday...southeast winds 15 to 25 knots becoming south. patchy
fog early. a chance of showers early in the afternoon. showers
late. waves 1 to 3 feet building to 3 to 5 feet. 
.saturday night...southwest winds 15 to 25 knots becoming west.
rain showers. waves 3 to 5 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
rain showers in the morning, then a chance of rain showers in the
afternoon. waves 2 to 4 feet building to 3 to 6 feet. 
.sunday night...west winds 15 to 20 knots becoming northwest.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.monday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming west 10 to
15 knots. a chance of rain showers. waves 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots becoming north. waves
1 to 3 feet subsiding to 1 foot or less. 

$$

fzus61 kcle 171948
glfle 
expires:202604180230;;539387

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt fri apr 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 warm front will lift north across lake erie saturday morning
before low pressure 29.40 inches drags a cold front east through
the great lakes and ohio valley saturday evening. a trough
averaging 29.90 inches builds across the lake on sunday before
high pressure 30.40 inches moves overhead sunday night into
monday. 


lez165>168-180230-
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-
348 pm edt fri apr 17 2026

.tonight...east winds 5 to 15 knots becoming southeast 15 to
20 knots. patchy dense fog. patchy fog late. waves 1 to 3 feet. 
.saturday...south winds 15 to 20 knots becoming west. a chance of
showers with a slight chance of thunderstorms in the morning,
then showers with a chance of thunderstorms in the afternoon.
waves 2 to 4 feet building to 3 to 5 feet. 
.saturday night...west winds 15 to 20 knots. a chance of showers.
waves 2 to 4 feet. 
.sunday...west winds 15 to 20 knots. a chance of rain showers in
the afternoon. waves 2 to 4 feet. 
.sunday night...west winds 15 to 20 knots becoming north 10 to
15 knots. a chance of rain showers in the evening. waves 2 to
4 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet. 
.wednesday...north winds 5 to 15 knots becoming east. waves 2 to
4 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171948
glfle 
expires:202604180230;;539388

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt fri apr 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 warm front will lift north across lake erie saturday morning
before low pressure 29.40 inches drags a cold front east through
the great lakes and ohio valley saturday evening. a trough
averaging 29.90 inches builds across the lake on sunday before
high pressure 30.40 inches moves overhead sunday night into
monday. 


lez061-169-180230-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
348 pm edt fri apr 17 2026

.tonight...northeast winds 10 knots or less becoming southeast
10 to 15 knots. areas of dense fog. patchy fog late. waves 2 feet
or less. 
.saturday...south winds 15 to 20 knots becoming southwest. a
slight chance of showers in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.saturday night...southwest winds 10 to 15 knots becoming west.
rain showers likely in the evening, then a chance of rain showers
overnight. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots. a chance of rain and snow
showers in the afternoon. waves 2 to 4 feet. 
.sunday night...west winds 10 to 15 knots becoming northwest. a
chance of rain showers in the evening. waves 2 to 3 feet. 
.monday...northwest winds 5 to 10 knots becoming south. waves
1 to 2 feet. 
.tuesday...south winds 10 to 15 knots becoming west. waves 1 to
3 feet. 
.wednesday...north winds 10 knots or less becoming east. waves
1 to 3 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$