fzus61 kbuf 212002
glflo 
expires:202609220300;;834937

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon sep 21 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...an expansive 30.6 inch high will remain centered from 
eastern ontario province to southern quebec through saturday while 
gradually weakening to 30.3 inches late this week. an elongated 29.6 
inch low well offshore of the east coast friday is forecast to 
strengthen to 29.2 inches as it moves to just off the southern new 
england coast saturday night through sunday.


loz062-220300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt mon sep 21 2026

.tonight...northeast winds 15 to 25 knots. waves 2 to 4 feet
building to 5 to 7 feet. waves occasionally around 9 feet. 
.tuesday...northeast winds 20 to 25 knots becoming east. waves
5 to 8 feet. waves occasionally around 10 feet. 
.tuesday night...east winds 15 to 25 knots. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.wednesday...east winds 15 to 20 knots. waves 3 to 6 feet. 
.wednesday night...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.thursday...east winds 10 to 15 knots becoming northeast. waves
1 to 3 feet. 
.friday...northeast winds 5 to 15 knots becoming north. waves
1 to 3 feet. 
.saturday...north winds 5 to 15 knots. waves 1 to 3 feet. 

$$

fzus61 kbuf 212002
glflo 
expires:202609220300;;834938

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon sep 21 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...an expansive 30.6 inch high will remain centered from 
eastern ontario province to southern quebec through saturday while 
gradually weakening to 30.3 inches late this week. an elongated 29.6 
inch low well offshore of the east coast friday is forecast to 
strengthen to 29.2 inches as it moves to just off the southern new 
england coast saturday night through sunday.


loz063>065-220300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt mon sep 21 2026

.tonight...northeast winds 15 to 25 knots. waves 2 to 4 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.tuesday...northeast winds 15 to 25 knots. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.tuesday night...northeast winds 15 to 20 knots becoming east.
waves 3 to 6 feet. 
.wednesday...east winds 15 to 20 knots becoming northeast. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday night...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet. 
.thursday...east winds 10 to 15 knots becoming northeast. waves
1 to 3 feet. 
.friday...northeast winds 10 to 15 knots becoming north 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

fzus61 kcle 211942
glfle 
expires:202609220215;;834398

open lake forecast for lake erie
national weather service cleveland oh
342 pm edt mon sep 21 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 trough averaging 30.00 inches will persist across lake erie
through wednesday. high pressure 30.20 inches will build south
across the great lakes thursday into friday.


lez164>168-220215-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
342 pm edt mon sep 21 2026

.tonight...northeast winds to 30 knots becoming east. a chance of
showers this evening, then a slight chance of showers after
midnight. waves 6 to 10 feet. waves occasionally around 13 feet. 
.tuesday...east winds to 30 knots. a slight chance of waterspouts
in the afternoon. a slight chance of showers in the afternoon.
waves 6 to 10 feet. waves occasionally around 13 feet. 
.tuesday night...east winds to 30 knots diminishing to 15 to
25 knots. a chance of showers. waves 6 to 10 feet subsiding to
5 to 8 feet. waves occasionally around 13 feet. 
.wednesday...east winds 15 to 25 knots. a chance of showers.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.wednesday night...east winds 15 to 25 knots. a chance of showers
in the evening. waves 3 to 6 feet. 
.thursday...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet. 
.friday...northeast winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 

$$

fzus61 kcle 211942
glfle 
expires:202609220215;;834399

open lake forecast for lake erie
national weather service cleveland oh
342 pm edt mon sep 21 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 trough averaging 30.00 inches will persist across lake erie
through wednesday. high pressure 30.20 inches will build south
across the great lakes thursday into friday.


lez061-169-220215-
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-
342 pm edt mon sep 21 2026

.tonight...northeast winds 15 to 25 knots becoming east. waves
3 to 6 feet building to 4 to 7 feet, then subsiding to 3 to
6 feet. waves occasionally around 9 feet. 
.tuesday...east winds 15 to 25 knots becoming northeast. waves
3 to 6 feet. 
.tuesday night...east winds 15 to 25 knots. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.wednesday...east winds 15 to 20 knots. waves 2 to 4 feet. 
.wednesday night...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...east winds 10 to 15 knots. waves 1 to 3 feet. 
.friday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.saturday...north winds 5 to 10 knots becoming northeast. waves
2 feet or less. 

$$

fzus61 kcle 211942
glfle 
expires:202609220215;;834397

open lake forecast for lake erie
national weather service cleveland oh
342 pm edt mon sep 21 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 trough averaging 30.00 inches will persist across lake erie
through wednesday. high pressure 30.20 inches will build south
across the great lakes thursday into friday.


lez162-163-220215-
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-
342 pm edt mon sep 21 2026

.tonight...northeast winds 20 to 25 knots. a chance of showers
early, then a slight chance of showers. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.tuesday...northeast winds to 30 knots. a slight chance of
waterspouts late. a slight chance of showers late. waves 5 to
8 feet. waves occasionally around 10 feet. 
.tuesday night...east winds to 30 knots. a chance of showers in
the evening, then showers likely overnight. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.wednesday...east winds 20 to 25 knots. showers likely. waves
3 to 6 feet. 
.wednesday night...east winds 15 to 20 knots. showers likely in
the evening. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.thursday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northeast winds around 10 knots. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less. 

$$

fzus63 kdtx 211959
glflh 
expires:202609220400;;834735

open lake forecast for lake huron
national weather service detroit/pontiac mi
359 pm edt mon sep 21 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, 30.40 inches, lingers over ontario,
building southeastward early this week. this leads to prolonged
moderate northeast winds over the central great lakes with mainly
dry conditions. sporadic light shower chances exist over lake st.
clair and western erie this evening and/or tuesday night. a weak
low pressure system should emerge over the northern portion of
the ohio valley on wednesday, and could lead to slightly broader
coverage of showers for the south-central great lakes on
wednesday.


lhz361-220400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
359 pm edt mon sep 21 2026

.tonight...northeast winds 5 to 10 knots becoming east 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.tuesday...east winds 15 to 20 knots decreasing to 10 to 15 knots
in the afternoon. waves 2 to 4 feet. 
.tuesday night...east winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet in the late
evening and overnight. 
.wednesday...east winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 3 to 5 feet. 
.wednesday night...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.thursday...southeast winds 5 to 10 knots in the morning
increasing to 10 to 15 knots...then becoming east 5 to 10 knots
late in the afternoon becoming light and variable. waves 2 feet
or less. 
.friday...light and variable winds. waves 2 feet or less. 
.saturday...light and variable winds. waves 2 feet or less. 


$$

fzus63 kdtx 211959
glfsc 
expires:202609220400;;834743

lake st clair forecast
national weather service detroit/pontiac mi
359 pm edt mon sep 21 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, 30.40 inches, lingers over ontario,
building southeastward early this week. this leads to prolonged
moderate northeast winds over the central great lakes with mainly
dry conditions. sporadic light shower chances exist over lake st.
clair and western erie this evening and/or tuesday night. a weak
low pressure system should emerge over the northern portion of
the ohio valley on wednesday, and could lead to slightly broader
coverage of showers for the south-central great lakes on
wednesday.


lcz460-220400-
lake st clair-
359 pm edt mon sep 21 2026

...small craft advisory in effect through wednesday evening...

.tonight...northeast winds 15 to 20 knots increasing to 20 to 25
knots in the late evening and overnight. mostly cloudy this evening
becoming partly cloudy. waves 1 to 3 feet building to 2 to 4 feet in
the late evening and overnight.
.tuesday...northeast winds 20 to 25 knots diminishing to 15 to 20
knots in the afternoon. partly sunny. waves 2 to 4 feet subsiding to
1 to 3 feet in the afternoon.
.tuesday night...northeast winds to 30 knots with gusts to 35 knot
gales. mostly cloudy. waves 3 to 5 feet. waves occasionally around 7
feet.  a gale warning may be needed.
.wednesday...east winds 20 to 25 knots diminishing to 15 to 20 knots
early in the afternoon. mostly cloudy with a chance of light
showers. waves 2 to 4 feet.
.wednesday night...east winds 20 to 25 knots diminishing to 15 to 20
knots after midnight. partly cloudy. a chance of light showers early
in the evening. waves 1 to 3 feet.
.thursday...east winds 10 to 15 knots. mostly sunny in the morning
becoming clear. waves 2 feet or less.
.friday...northeast winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
.saturday...northeast winds 5 to 10 knots. mostly clear. waves 2
feet or less.

$$

fzus63 kdtx 211959
glflh 
expires:202609220400;;834736

open lake forecast for lake huron
national weather service detroit/pontiac mi
359 pm edt mon sep 21 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, 30.40 inches, lingers over ontario,
building southeastward early this week. this leads to prolonged
moderate northeast winds over the central great lakes with mainly
dry conditions. sporadic light shower chances exist over lake st.
clair and western erie this evening and/or tuesday night. a weak
low pressure system should emerge over the northern portion of
the ohio valley on wednesday, and could lead to slightly broader
coverage of showers for the south-central great lakes on
wednesday.


lhz362-363-220400-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
359 pm edt mon sep 21 2026

.tonight...northeast winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tuesday...northeast winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tuesday night...east winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.wednesday...east winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 3 to 5 feet. 
.wednesday night...northeast winds 15 to 20 knots becoming east
10 to 15 knots in the late evening and overnight. waves 2 to
4 feet. 
.thursday...east winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming east 5 to 10 knots late in
the afternoon. waves 1 to 3 feet. 
.friday...light and variable winds becoming northeast 5 to
10 knots. waves 2 feet or less. 
.saturday...north winds 5 to 10 knots until afternoon becoming
light and variable. waves 2 feet or less. 


$$

fzus63 kdtx 211959
glflh 
expires:202609220400;;834737

open lake forecast for lake huron
national weather service detroit/pontiac mi
359 pm edt mon sep 21 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, 30.40 inches, lingers over ontario,
building southeastward early this week. this leads to prolonged
moderate northeast winds over the central great lakes with mainly
dry conditions. sporadic light shower chances exist over lake st.
clair and western erie this evening and/or tuesday night. a weak
low pressure system should emerge over the northern portion of
the ohio valley on wednesday, and could lead to slightly broader
coverage of showers for the south-central great lakes on
wednesday.


lhz462>464-220400-
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-
359 pm edt mon sep 21 2026

.tonight...northeast winds 15 to 20 knots. waves 3 to 5 feet. 
.tuesday...northeast winds 15 to 20 knots. waves 3 to 5 feet. 
.tuesday night...east winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.wednesday...east winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 3 to 5 feet. 
.wednesday night...east winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 3 to 5 feet. 
.thursday...east winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming east 5 to 10 knots late in
the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...east winds 5 to 10 knots becoming north 10 to 15 knots
early in the evening...then becoming northeast 5 to 10 knots by
midnight. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less. 


$$