fzus61 kbuf 131410
glflo 
expires:202604132100;;299910

open lake forecast for lake ontario
national weather service buffalo ny
1010 am edt mon apr 13 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 29.3 inch low will move across northern quebec today, 
with a trailing weak trough crossing the lake. a 29.6 inch low will 
then move into the central great lakes tuesday morning before 
weakening across the saint lawrence valley tuesday night. another 
29.6 inch low will move into the central great lakes wednesday night 
before reaching southern quebec thursday night. a 30.0 inch high is 
then forecast to build from the central great lakes friday to the 
lower great lakes saturday.


loz062-132100-
lake ontario open waters from the niagara river to hamlin beach-
1010 am edt mon apr 13 2026

.rest of today...southwest winds 15 to 25 knots. showers late
this morning. waves 3 to 6 feet. 
.tonight...west winds 5 to 15 knots becoming southeast 10 knots
or less. a chance of showers late. waves 2 to 4 feet subsiding to
1 foot or less. 
.tuesday...east winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. showers with a chance of
thunderstorms. waves 2 feet or less building to 3 to 5 feet. 
.tuesday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. showers likely with a chance of thunderstorms.
waves 3 to 5 feet subsiding to 1 to 2 feet. 
.wednesday...southwest winds 5 to 15 knots becoming south.
showers likely with a chance of thunderstorms. waves 1 to 2 feet.
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers likely. waves 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming southeast. waves 1 to
3 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 131410
glflo 
expires:202604132100;;299911

open lake forecast for lake ontario
national weather service buffalo ny
1010 am edt mon apr 13 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 29.3 inch low will move across northern quebec today, 
with a trailing weak trough crossing the lake. a 29.6 inch low will 
then move into the central great lakes tuesday morning before 
weakening across the saint lawrence valley tuesday night. another 
29.6 inch low will move into the central great lakes wednesday night 
before reaching southern quebec thursday night. a 30.0 inch high is 
then forecast to build from the central great lakes friday to the 
lower great lakes saturday.


loz063>065-132100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1010 am edt mon apr 13 2026

.rest of today...southwest winds 15 to 20 knots. showers. waves
2 to 4 feet building to 3 to 5 feet. 
.tonight...west winds 15 to 20 knots becoming south and
diminishing to less than 10 knots after midnight. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tuesday...southeast winds 5 to 15 knots becoming southwest.
showers in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet. 
.tuesday night...southwest winds 15 to 20 knots diminishing to
5 to 15 knots. showers with a chance of thunderstorms. waves 1 to
3 feet. 
.wednesday...southwest winds 5 to 10 knots becoming south.
showers likely with a chance of thunderstorms during the day,
then showers likely wednesday night. waves 2 feet or less. 
.thursday...south winds 5 to 15 knots becoming southwest 15 to
20 knots. showers likely. waves 1 to 3 feet. 
.friday...west winds 15 to 20 knots becoming south and
diminishing to 10 knots or less. a chance of showers during the
day. waves 1 to 3 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 131400
glfle 
expires:202604132000;;299213

open lake forecast for lake erie
national weather service cleveland oh
1000 am edt mon apr 13 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 stalled frontal boundary lingers across the central great 
lakes through midweek. several waves of low pressure will track 
along this boundary including low pressure of 29.50 inches on 
thursday. a ridge averaging 30.00 inches will be over the lake on 
friday.


lez162>165-132000-
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-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
1000 am edt mon apr 13 2026

.rest of today...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a slight chance of showers late this morning. a
slight chance of showers and thunderstorms late. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a slight chance of showers and thunderstorms early,
then a chance of showers with a slight chance of thunderstorms
late in the evening. a chance of showers and thunderstorms after
midnight. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots. a chance of showers in
the morning, then showers likely with a chance of thunderstorms
in the afternoon. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday night...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 becoming south.
showers with a chance of thunderstorms. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely with a chance of thunderstorms during
the day, then a chance of showers thursday night. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming south 15 to 20 knots.
a chance of showers friday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 131400
glfle 
expires:202604132000;;299214

open lake forecast for lake erie
national weather service cleveland oh
1000 am edt mon apr 13 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 stalled frontal boundary lingers across the central great 
lakes through midweek. several waves of low pressure will track 
along this boundary including low pressure of 29.50 inches on 
thursday. a ridge averaging 30.00 inches will be over the lake on 
friday.


lez061-166>169-132000-
ripley to buffalo ny extending from 5nm 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-
1000 am edt mon apr 13 2026

.rest of today...southwest winds 15 to 25 knots. a slight chance
of showers late this morning. waves 4 to 7 feet subsiding to 3 to
6 feet. waves occasionally around 9 feet. 
.tonight...southwest winds 5 to 15 knots becoming south. a chance
of showers with a slight chance of thunderstorms. showers likely
with a chance of thunderstorms late. waves 2 to 4 feet subsiding
to 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers likely with a chance of thunderstorms. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday night...southwest winds 10 to 15 knots. showers likely
with a chance of thunderstorms. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots becoming south.
showers during the day, then showers with a chance of
thunderstorms wednesday night. waves 1 to 3 feet building to 2 to
4 feet. 
.thursday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely during the day, then a chance of showers
thursday night. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming south 15 to 20 knots.
waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 131349
glflh 
expires:202604132200;;298860

open lake forecast for lake huron
national weather service detroit/pontiac mi
949 am edt mon apr 13 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...a warm front stalls across the northern great lakes
through much of the week. multiple passing disturbances bring
rounds of showers, thunderstorms, and gusty winds through friday.


lhz361-362-132200-
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-
949 am edt mon apr 13 2026

.rest of today...west winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. patchy fog. waves 4 to 6 feet. 
.tonight...north winds 5 to 10 knots veering to the east after
midnight...then increasing to 10 to 15 knots early in the
morning. showers and a chance of thunderstorms after midnight.
patchy fog after midnight. locally heavy rainfall possible after
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet in the late
evening and overnight. waves occasionally around 8 feet. 
.tuesday...east winds 10 to 15 knots. a chance of showers. patchy
fog. waves 3 to 5 feet. 
.tuesday night...north winds 5 to 10 knots veering to the
northeast in the late evening and overnight. a chance of showers
in the evening...then a chance of showers and thunderstorms after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.wednesday...north winds 5 to 10 knots veering to the east late
in the evening. a chance of showers. waves 1 to 3 feet. 
.thursday...east winds 10 to 15 knots backing to the northwest by
midnight. showers likely early in the morning. a chance of
thunderstorms until early evening. waves 1 to 3 feet building to
2 to 4 feet. 
.friday...north winds 10 to 15 knots veering to the east early in
the evening...then becoming southeast 15 to 20 knots by midnight.
waves 2 to 4 feet building to 4 to 6 feet. waves occasionally
around 8 feet. 


$$

fzus63 kdtx 131349
glflh 
expires:202604132200;;298861

open lake forecast for lake huron
national weather service detroit/pontiac mi
949 am edt mon apr 13 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...a warm front stalls across the northern great lakes
through much of the week. multiple passing disturbances bring
rounds of showers, thunderstorms, and gusty winds through friday.


lhz363-462>464-132200-
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-
949 am edt mon apr 13 2026

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


$$

fzus63 kdtx 131349
glfsc 
expires:202604132200;;298844

lake st clair forecast
national weather service detroit/pontiac mi
949 am edt mon apr 13 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...a warm front stalls across the northern great lakes
through much of the week. multiple passing disturbances bring
rounds of showers, thunderstorms, and gusty winds through friday.


lcz460-132200-
lake st clair-
949 am edt mon apr 13 2026

...small craft advisory in effect until noon edt today...

.rest of today...southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. gusts to 25 knots this morning. 
partly sunny. waves 1 to 3 feet.
.tonight...southwest winds 5 to 10 knots backing to the south late
in the evening...then increasing to 10 to 15 knots after midnight.
partly cloudy in the evening...then mostly cloudy with light showers
likely and a chance of thunderstorms after midnight. mostly cloudy
with a chance of showers and thunderstorms early in the morning.
waves 2 feet or less.
.tuesday...southwest winds 15 to 20 knots. mostly cloudy with light
showers likely and a chance of thunderstorms. waves 1 to 3 feet.
.tuesday night...southwest winds 10 to 15 knots. light showers and a
chance of thunderstorms. waves 1 to 3 feet.
.wednesday...southwest winds 10 to 15 knots. light showers in the
morning...then showers and a chance of thunderstorms in the
afternoon and evening. waves 2 feet or less.
.thursday...southwest winds 15 to 20 knots. light showers and a
chance of thunderstorms. waves 1 to 3 feet.
.friday...southeast winds 10 to 15 knots. partly cloudy. waves 2
feet or less.

$$