fzus61 kbuf 151402
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expires:202605152100;;601448

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri may 15 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 30.1 inch high will slide southeast from the ohio 
valley to the carolinas today, then off the carolina coast tonight. 
a 29.1 inch low well to the north over hudson bay will swing a warm 
front into the lower great lakes on saturday, with an attendant cold 
front approaching then stalling just north of the lake saturday 
night. a 29.4 inch low over the central plains on sunday will weaken 
to 29.7 inches as it moves northeast into the upper great lakes 
sunday night while swinging an attendant warm front across the lake. 
another area of low pressure will develop over the central plains 
monday. the low will weaken from 29.4 inches to 29.6 inches as it 
tracks northeast to the upper great lakes monday night into tuesday 
morning, then to near the southern tip of james bay on tuesday.


loz062-152100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt fri may 15 2026

.this afternoon...west winds 5 to 15 knots becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.saturday...south winds 5 to 15 knots becoming southwest. a
chance of showers in the afternoon. waves 1 to 3 feet. 
.saturday night...southwest winds 5 to 15 knots becoming west. a
chance of showers in the evening. waves 1 to 3 feet. 
.sunday...west winds 10 knots or less becoming east. waves 1 foot
or less. 
.monday...southeast winds 5 to 15 knots becoming southwest. a
chance of showers monday night. waves 1 foot or less building to
1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots. a chance of showers
during the day, then showers likely tuesday night. waves 1 to
3 feet building to 3 to 5 feet. 

$$

fzus61 kbuf 151402
glflo 
expires:202605152100;;601449

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri may 15 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 30.1 inch high will slide southeast from the ohio 
valley to the carolinas today, then off the carolina coast tonight. 
a 29.1 inch low well to the north over hudson bay will swing a warm 
front into the lower great lakes on saturday, with an attendant cold 
front approaching then stalling just north of the lake saturday 
night. a 29.4 inch low over the central plains on sunday will weaken 
to 29.7 inches as it moves northeast into the upper great lakes 
sunday night while swinging an attendant warm front across the lake. 
another area of low pressure will develop over the central plains 
monday. the low will weaken from 29.4 inches to 29.6 inches as it 
tracks northeast to the upper great lakes monday night into tuesday 
morning, then to near the southern tip of james bay on tuesday.


loz063>065-152100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt fri may 15 2026

.this afternoon...northwest winds 5 to 10 knots becoming west.
waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots becoming south. waves
1 to 2 feet. 
.saturday...south winds 5 to 15 knots becoming southwest. a
chance of showers in the afternoon. waves 1 to 2 feet. 
.saturday night...southwest winds 5 to 15 knots becoming west. a
chance of showers. waves 1 to 3 feet. 
.sunday...west winds 10 knots or less becoming southeast. waves
2 feet or less. 
.monday...southeast winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tuesday...southwest winds 5 to 15 knots increasing to 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 building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151405
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open lake forecast for lake erie
national weather service cleveland oh
1005 am edt fri may 15 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 of 30.10 inches overhead will build east tonight. 
a warm front will lift north across the lake friday night into 
saturday. a nearly stationary boundary of 30.00 inches will 
settle near lake erie on sunday before lifting north as a warm 
front sunday night. a surface ridge averaging 30.10 inches will 
persist over the eastern great lakes on monday followed by low 
pressure of 29.60 inches tracking east through the upper great 
lakes into quebec on tuesday.


lez162>164-152015-
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-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
1005 am edt fri may 15 2026

.this afternoon...southwest winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.tonight...south winds 5 to 15 knots. waves 2 feet or less. 
.saturday...south winds 10 to 15 knots becoming southwest.
showers likely with a chance of thunderstorms in the morning,
then a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet. 
.saturday night...southwest winds 5 to 15 knots. a chance of
showers. waves 2 feet or less. 
.sunday...south winds 5 to 15 knots. waves 2 feet or less. 
.monday...south winds 10 to 15 knots. a chance of showers and
thunderstorms monday night. waves 1 to 2 feet. 
.tuesday...southwest winds 15 to 20 knots. showers likely with a
chance of thunderstorms. waves 1 to 3 feet building to 2 to
4 feet, then subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151405
glfle 
expires:202605152015;;601567

open lake forecast for lake erie
national weather service cleveland oh
1005 am edt fri may 15 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 of 30.10 inches overhead will build east tonight. 
a warm front will lift north across the lake friday night into 
saturday. a nearly stationary boundary of 30.00 inches will 
settle near lake erie on sunday before lifting north as a warm 
front sunday night. a surface ridge averaging 30.10 inches will 
persist over the eastern great lakes on monday followed by low 
pressure of 29.60 inches tracking east through the upper great 
lakes into quebec on tuesday.


lez061-165>169-152015-
ripley to buffalo ny extending from 5nm 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-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-
1005 am edt fri may 15 2026

.this afternoon...west winds 10 knots or less becoming south.
waves 1 foot or less. 
.tonight...south winds 5 to 15 knots. waves 2 feet or less. 
.saturday...south winds 15 to 20 knots becoming southwest. a
chance of showers. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday night...southwest winds 5 to 15 knots. a chance of
showers. waves 1 to 3 feet. 
.sunday...south winds 5 to 15 knots. waves 2 feet or less. 
.monday...south winds 10 to 15 knots. a chance of showers monday
night. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 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 building
to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 151322
glfsc 
expires:202605152130;;600630

lake st clair forecast
national weather service detroit/pontiac mi
922 am edt fri may 15 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, 30.00 inches, exits the ohio valley
this morning resulting in light southwest flow that ramps up
through the afternoon. breezy winds develop by this evening ahead
of surface troughing that generates periods of showers and
thunderstorms this weekend into early next week.


lcz460-152130-
lake st clair-
922 am edt fri may 15 2026

.rest of today...southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. partly sunny. waves 2 feet or less.
.tonight...south winds 10 to 15 knots. mostly clear. waves 2 feet or
less.
.saturday...southwest winds 10 to 15 knots. mostly cloudy. light
showers likely until late afternoon...then a chance of light showers
early in the afternoon. waves 2 feet or less.
.saturday night...southwest winds 10 to 15 knots diminishing to 5 to
10 knots by midnight...then veering to the northwest after midnight.
partly cloudy. a chance of light showers early in the evening. a
chance of light showers after midnight. waves 2 feet or less.
.sunday...northeast winds 5 to 10 knots veering to the southeast in
the afternoon...then increasing to 10 to 15 knots in the evening.
mostly cloudy in the morning becoming partly cloudy. waves 2 feet or
less.
.monday...southwest winds 15 to 20 knots. mostly clear. waves 1 to 3
feet.
.tuesday...southwest winds 20 to 25 knots with gusts to 30 knots.
partly cloudy. showers likely and a chance of thunderstorms. waves 2
to 4 feet. a small craft advisory may be needed.

$$

fzus63 kdtx 151321
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expires:202605152130;;600598

open lake forecast for lake huron
national weather service detroit/pontiac mi
921 am edt fri may 15 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, 30.00 inches, exits the ohio valley
this morning resulting in light southwest flow that ramps up
through the afternoon. breezy winds develop by this evening ahead
of surface troughing that generates periods of showers and
thunderstorms this weekend into early next week.


lhz361-362-152130-
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-
921 am edt fri may 15 2026

.rest of today...south winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. waves 1 to 3 feet building to
3 to 5 feet in the afternoon. 
.tonight...south winds 15 to 20 knots. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.saturday...south winds 10 to 15 knots. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.saturday night...west winds 10 to 15 knots becoming northwest
after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.sunday...north winds 5 to 10 knots veering to the east late in
the morning...then increasing to 10 to 15 knots late in the
afternoon increasing to 15 to 20 knots late in the evening. a
chance of showers late in the afternoon. waves 1 to 3 feet
building to 4 to 6 feet. waves occasionally around 8 feet. 
.monday...southeast winds 15 to 20 knots becoming south 10 to
15 knots by midnight. a chance of showers early in the morning. a
chance of thunderstorms. rain showers likely . waves 5 to 7 feet.
waves occasionally around 10 feet. 
.tuesday...south winds 15 to 20 knots. showers likely early in
the morning. a chance of showers. waves 5 to 7 feet. waves
occasionally around 10 feet. 


$$

fzus63 kdtx 151321
glflh 
expires:202605152130;;600599

open lake forecast for lake huron
national weather service detroit/pontiac mi
921 am edt fri may 15 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, 30.00 inches, exits the ohio valley
this morning resulting in light southwest flow that ramps up
through the afternoon. breezy winds develop by this evening ahead
of surface troughing that generates periods of showers and
thunderstorms this weekend into early next week.


lhz363-462>464-152130-
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-
921 am edt fri may 15 2026

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


$$