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open lake forecast for lake ontario
national weather service buffalo ny
1005 pm edt sat apr 11 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 30.5 inch area of high pressure over the lake this 
evening, will slip towards new england later tonight and sunday and 
off the coast sunday night. a 29.4 inch low will then move 
northeastward from the upper midwest sunday to near james bay sunday 
night, while pushing an attendant warm front across the lake on 
sunday. this low will strengthen to 29.2 inches while continuing to 
trek northeast into northern quebec monday, with a trailing cold 
front stalling near the lake monday through tuesday. a 29.5 inch 
surface low advancing through the upper great lakes wednesday will 
lift this frontal boundary northward into canada. this 29.5 inch low 
will continue northeast into central quebec on thursday while 
dragging an attendant cold front across the lake. a 30.2 inch high 
will then build over the lower great lakes thursday night and friday.


loz062-120900-
lake ontario open waters from the niagara river to hamlin beach-
1005 pm edt sat apr 11 2026

.overnight...northwest winds less than 10 knots becoming
southeast. waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming east. a chance
of rain showers late in the morning. rain showers in the
afternoon. waves 2 feet or less. 
.sunday night...southeast winds 10 to 15 knots becoming southwest
and increasing to 15 to 25 knots. showers likely. waves 1 to
2 feet building to 3 to 6 feet. 
.monday...southwest winds 20 to 25 knots. showers. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.monday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers. waves 3 to 6 feet subsiding
to 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers likely. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday...southwest winds 15 to 20 knots. showers likely
during the day, then showers likely with a chance of
thunderstorms wednesday night. waves 2 to 4 feet. 
.thursday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 120205
glflo 
expires:202604120900;;219132

open lake forecast for lake ontario
national weather service buffalo ny
1005 pm edt sat apr 11 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 30.5 inch area of high pressure over the lake this 
evening, will slip towards new england later tonight and sunday and 
off the coast sunday night. a 29.4 inch low will then move 
northeastward from the upper midwest sunday to near james bay sunday 
night, while pushing an attendant warm front across the lake on 
sunday. this low will strengthen to 29.2 inches while continuing to 
trek northeast into northern quebec monday, with a trailing cold 
front stalling near the lake monday through tuesday. a 29.5 inch 
surface low advancing through the upper great lakes wednesday will 
lift this frontal boundary northward into canada. this 29.5 inch low 
will continue northeast into central quebec on thursday while 
dragging an attendant cold front across the lake. a 30.2 inch high 
will then build over the lower great lakes thursday night and friday.


loz063>065-120900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1005 pm edt sat apr 11 2026

.overnight...northwest winds 10 knots or less becoming
southeast. waves 2 feet or less. 
.sunday...southeast winds 5 to 15 knots. rain showers in the
afternoon. waves 2 feet or less. 
.sunday night...southeast winds 15 to 25 knots becoming south.
showers likely. waves 2 to 4 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.monday...southwest winds 15 to 25 knots. showers. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.monday night...southwest winds 15 to 20 knots diminishing to
5 to 15 knots. showers in the evening, then a chance of showers
overnight. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.tuesday...south winds 5 to 15 knots becoming southwest. showers
likely with a chance of thunderstorms. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely. waves 1 to 3 feet building to 2 to
4 feet. 
.thursday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers. waves 3 to 5 feet subsiding to
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
940 pm edt sat apr 11 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...
high pressure 30.50 inches over the central great lakes will 
shift east tonight. this will allow a warm front to lift across 
the lake sunday afternoon with a cold front approaching lake erie 
from the northwest on monday. the cold front will stall to the 
north of lake erie tuesday and wednesday. low pressure of 29.70 
inches will pass north of lake erie on thursday.


lez162-163-120815-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
940 pm edt sat apr 11 2026

.overnight...east winds 5 to 15 knots becoming southeast.
waves 2 feet or less. 
.sunday...southeast winds 10 to 15 knots becoming south 15 to
20 knots. a slight chance of showers early, then a chance of
showers late in the morning. a slight chance of showers early in
the afternoon. waves 1 to 2 feet. 
.sunday night...southwest winds 15 to 20 knots. a chance of
showers overnight. waves 1 to 3 feet. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.monday night...southwest winds 10 to 15 knots. a chance of
showers and thunderstorms in the evening, then showers likely
with a chance of thunderstorms overnight. waves 1 to 2 feet. 
.tuesday...southwest winds 15 to 20 knots. a chance of showers
and thunderstorms during the day, then showers likely with a
chance of thunderstorms tuesday night. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely during the day, then showers likely with
a chance of thunderstorms wednesday night. waves 1 to 3 feet. 
.thursday...southwest winds 15 to 20 knots diminishing to 5 to
10 knots. a chance of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 120140
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open lake forecast for lake erie
national weather service cleveland oh
940 pm edt sat apr 11 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...
high pressure 30.50 inches over the central great lakes will 
shift east tonight. this will allow a warm front to lift across 
the lake sunday afternoon with a cold front approaching lake erie 
from the northwest on monday. the cold front will stall to the 
north of lake erie tuesday and wednesday. low pressure of 29.70 
inches will pass north of lake erie on thursday.


lez164>167-120815-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
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-
940 pm edt sat apr 11 2026

.overnight...east winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.sunday...southeast winds 5 to 15 knots becoming south. a slight
chance of showers from late morning on. waves 2 feet or less. 
.sunday night...south winds 15 to 20 knots becoming southwest. a
chance of showers overnight. waves 1 to 3 feet building to 3 to
5 feet. 
.monday...southwest winds 15 to 20 knots. showers likely. waves
3 to 6 feet. 
.monday night...southwest winds 10 to 15 knots. a chance of
showers and thunderstorms in the evening, then showers likely
with a chance of thunderstorms overnight. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely with a chance of thunderstorms. waves
1 to 3 feet building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots. showers likely
during the day, then showers likely with a chance of
thunderstorms wednesday night. waves 3 to 5 feet subsiding to
1 to 3 feet. 
.thursday...southwest winds 15 to 20 knots diminishing to 5 to
10 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 120140
glfle 
expires:202604120815;;218535

open lake forecast for lake erie
national weather service cleveland oh
940 pm edt sat apr 11 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...
high pressure 30.50 inches over the central great lakes will 
shift east tonight. this will allow a warm front to lift across 
the lake sunday afternoon with a cold front approaching lake erie 
from the northwest on monday. the cold front will stall to the 
north of lake erie tuesday and wednesday. low pressure of 29.70 
inches will pass north of lake erie on thursday.


lez061-168-169-120815-
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-
940 pm edt sat apr 11 2026

.overnight...light and variable winds. waves 1 foot or
less. 
.sunday...east winds 5 to 15 knots becoming south. a slight
chance of rain showers late in the morning. a chance of rain
showers in the afternoon. waves 2 feet or less. 
.sunday night...south winds 15 to 20 knots becoming southwest.
waves 1 to 3 feet building to 3 to 5 feet. 
.monday...southwest winds 15 to 20 knots. showers. waves 3 to
6 feet. 
.monday night...southwest winds 15 to 20 knots diminishing to
around 10 knots. a chance of showers. waves 3 to 5 feet subsiding
to 1 to 2 feet. 
.tuesday...southwest winds 10 to 15 knots. showers likely with a
chance of thunderstorms. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. showers likely
during the day, then showers likely with a chance of
thunderstorms wednesday night. waves 1 to 3 feet. 
.thursday...southwest winds 10 knots or less. a chance of
showers. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 120143
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expires:202604120945;;218633

lake st clair forecast
national weather service detroit/pontiac mi
943 pm edt sat apr 11 2026

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...high pressure, 30.50 inches, tracks into the eastern
great lakes tonight. active weather returns sunday morning, with
intervals of showers, thunderstorms, and potential for gusty
winds through wednesday due to several passing disturbances.


lcz460-120945-
lake st clair-
943 pm edt sat apr 11 2026

.rest of tonight...southeast winds 5 to 10 knots. partly cloudy this
evening becoming mostly cloudy. waves 2 feet or less.
.sunday...southeast winds 10 to 15 knots. mostly cloudy. a chance of
light showers until late afternoon. waves 2 feet or less.
.sunday night...southwest winds 15 to 20 knots. mostly cloudy. light
showers likely after midnight. waves 1 to 3 feet.
.monday...southwest winds 15 to 20 knots. mostly cloudy. light
showers likely until late afternoon...then a chance of light showers
early in the afternoon. waves 1 to 3 feet.
.monday night...southwest winds 10 to 15 knots. partly cloudy with a
chance of showers and thunderstorms ...then cloudy with light
showers likely and a chance of thunderstorms after midnight. waves 2
feet or less.
.tuesday...southwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon...then diminishing to 10 to 15 knots in the
evening. mostly cloudy with light showers likely and a chance of
thunderstorms. waves 1 to 3 feet.
.wednesday...southwest winds 15 to 20 knots. mostly cloudy with
light showers likely and a chance of thunderstorms. waves 1 to 3
feet.
.thursday...west winds 10 to 15 knots. partly cloudy. light showers
likely and a chance of thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 120141
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open lake forecast for lake huron
national weather service detroit/pontiac mi
941 pm edt sat apr 11 2026

for waters beyond five nautical miles off shore on lake huron

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...high pressure, 30.50 inches, tracks into the eastern
great lakes tonight. active weather returns sunday morning, with
intervals of showers, thunderstorms, and potential for gusty
winds through wednesday due to several passing disturbances.


lhz363-462>464-120945-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
941 pm edt sat apr 11 2026

.rest of tonight...southeast winds 5 to 10 knots increasing to
10 to 15 knots after midnight. a chance of showers after
midnight. waves 1 to 3 feet. 
.sunday...southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. showers. waves 3 to
5 feet building to 5 to 7 feet in the afternoon. waves
occasionally around 10 feet. 
.sunday night...south winds 15 to 20 knots becoming southwest
20 to 25 knots after midnight. showers likely in the evening...
then showers after midnight. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.monday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. a chance of showers. waves 4 to
6 feet. 
.monday night...north winds 5 to 10 knots veering to the east by
midnight...then increasing to 10 to 15 knots after midnight. a
chance of showers in the evening...then showers likely and a
chance of thunderstorms after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. waves
occasionally around 8 feet. 
.tuesday...south winds 10 to 15 knots backing to the northeast
late in the evening. showers likely and a chance of
thunderstorms. waves 2 to 4 feet building to 3 to 5 feet. 
.wednesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots . a chance of showers. waves 3 to 5 feet. 
.thursday...south winds 10 to 15 knots becoming north 5 to
10 knots . a chance of showers until afternoon. waves 2 to
4 feet. 


$$

fzus63 kdtx 120141
glflh 
expires:202604120945;;218542

open lake forecast for lake huron
national weather service detroit/pontiac mi
941 pm edt sat apr 11 2026

for waters beyond five nautical miles off shore on lake huron

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...high pressure, 30.50 inches, tracks into the eastern
great lakes tonight. active weather returns sunday morning, with
intervals of showers, thunderstorms, and potential for gusty
winds through wednesday due to several passing disturbances.


lhz361-362-120945-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
941 pm edt sat apr 11 2026

.rest of tonight...southeast winds 10 to 15 knots. a chance of
showers after midnight. waves 1 to 3 feet building to 2 to 4 feet
early in the morning. 
.sunday...southeast winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and early afternoon...then
decreasing to 15 to 20 knots late in the afternoon. showers.
waves 4 to 6 feet building to 6 to 9 feet in the afternoon. waves
occasionally around 12 feet. 
.sunday night...south winds 15 to 20 knots becoming southwest
20 to 25 knots with gusts to around 30 knots in the late evening
and overnight. showers. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.monday...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. a chance of showers.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.monday night...north winds 5 to 10 knots becoming east 10 to
15 knots after midnight. showers likely after midnight. waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.tuesday...southeast winds 10 to 15 knots backing to the east
late in the evening. showers likely in the morning. a chance of
showers late in the morning...then showers likely late in the
evening. waves 3 to 5 feet. 
.wednesday...east winds 10 to 15 knots veering to the southwest .
showers likely early in the morning. a chance of showers. waves
3 to 5 feet. 
.thursday...southwest winds 10 to 15 knots. a chance of showers
early in the morning. waves 3 to 5 feet. 


$$