fzus61 kbuf 212102
glflo 
expires:202511220400;;270598

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est fri nov 21 2025

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 29.2 inch surface low near james bay will swing a cold 
front across the lake this evening, with a 30.1 inch high building 
over the ohio valley and lower great lakes saturday. a 29.5 inch low 
will then move from northern ontario to james bay sunday, sending 
its cold front across the lake through the afternoon hours. a 30.2 
inch high is then forecast to build across the ohio valley monday. 
on tuesday a 29.5 inch low to the north of lake superior will swing 
a cold front across the lake by tuesday night. the surface low will 
then track well north of the lake through wednesday.


loz063-220400-
lake ontario open waters from hamlin beach to sodus bay-
402 pm est fri nov 21 2025

.tonight...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 3 feet. 
.saturday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday night...northwest winds 5 to 15 knots becoming
southwest. waves 1 to 2 feet. 
.sunday...southwest winds 15 to 25 knots becoming west. a chance
of rain. waves 1 to 3 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.sunday night...west winds 15 to 25 knots becoming northwest. a
chance of rain in the evening. waves 5 to 8 feet subsiding to
3 to 5 feet. waves occasionally around 10 feet. 
.monday...west winds 5 to 15 knots becoming south. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tuesday...southeast winds 10 to 15 knots becoming south. rain.
waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west to
30 knots. rain showers likely during the day, then a chance of
rain and snow showers wednesday night. waves 2 to 4 feet building
to 10 to 13 feet. waves occasionally around 16 feet. 

$$

fzus61 kbuf 212102
glflo 
expires:202511220400;;270597

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est fri nov 21 2025

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 29.2 inch surface low near james bay will swing a cold 
front across the lake this evening, with a 30.1 inch high building 
over the ohio valley and lower great lakes saturday. a 29.5 inch low 
will then move from northern ontario to james bay sunday, sending 
its cold front across the lake through the afternoon hours. a 30.2 
inch high is then forecast to build across the ohio valley monday. 
on tuesday a 29.5 inch low to the north of lake superior will swing 
a cold front across the lake by tuesday night. the surface low will 
then track well north of the lake through wednesday.


loz062-220400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est fri nov 21 2025

.tonight...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.saturday night...northwest winds 5 to 15 knots becoming
southwest. waves 2 feet or less. 
.sunday...southwest winds 15 to 25 knots becoming west. a chance
of rain. waves 1 to 3 feet building to 4 to 6 feet. 
.sunday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...west winds 5 to 10 knots becoming southeast. waves 1 to
3 feet subsiding to 1 foot or less. 
.tuesday...southeast winds 10 to 15 knots becoming southwest.
rain. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. a chance of rain showers during the day,
then a chance of rain and snow showers wednesday night. waves
3 to 5 feet building to 8 to 11 feet. waves occasionally around
14 feet. 

$$

fzus61 kcle 211952
glfle 
expires:202511220330;;267850

open lake forecast for lake erie
national weather service cleveland oh
252 pm est fri nov 21 2025

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 cold front will move southeast across lake erie later this 
evening. high pressure 30.20 inches will build over the great 
lakes on saturday. a warm front will lift across the lake 
saturday night, followed by another cold front passing through on
sunday. high pressure 30.30 inches will build over the lake 
sunday night into monday. 


lez061-168-169-220330-
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-
252 pm est fri nov 21 2025

.tonight...west winds 5 to 15 knots becoming north. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 10 knots becoming northwest. waves
1 foot or less. 
.saturday night...west winds 5 to 15 knots becoming southwest
15 to 20 knots. waves 2 feet or less building to 2 to 4 feet. 
.sunday...southwest winds 15 to 20 knots becoming west. waves
3 to 6 feet. 
.sunday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.monday...southwest winds 5 to 15 knots becoming south. a chance
of rain monday night. waves 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. rain.
waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...west winds 15 to 25 knots increasing to 30 knots. a
chance of rain. waves 4 to 7 feet building to 8 to 12 feet. waves
occasionally around 15 feet. 

$$

fzus61 kcle 211952
glfle 
expires:202511220330;;267848

open lake forecast for lake erie
national weather service cleveland oh
252 pm est fri nov 21 2025

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 cold front will move southeast across lake erie later this 
evening. high pressure 30.20 inches will build over the great 
lakes on saturday. a warm front will lift across the lake 
saturday night, followed by another cold front passing through on
sunday. high pressure 30.30 inches will build over the lake 
sunday night into monday. 


lez162>164-220330-
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-
252 pm est fri nov 21 2025

.tonight...west winds 10 knots or less becoming north. a chance
of rain this evening, then a slight chance of rain after
midnight. waves 2 feet or less. 
.saturday...north winds 10 knots or less becoming west. waves
2 feet or less. 
.saturday night...southwest winds 10 knots or less increasing to
15 to 20 knots. waves 1 to 3 feet. 
.sunday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 
.sunday night...west winds 5 to 10 knots. waves 1 foot or less. 
.monday...south winds 5 to 15 knots becoming southeast. rain
likely monday night. waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming west. rain during
the day, then a chance of rain tuesday night. waves 1 to 3 feet. 
.wednesday...west winds 15 to 25 knots increasing to 30 knots.
waves 3 to 5 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 

$$

fzus61 kcle 211952
glfle 
expires:202511220330;;267849

open lake forecast for lake erie
national weather service cleveland oh
252 pm est fri nov 21 2025

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 cold front will move southeast across lake erie later this 
evening. high pressure 30.20 inches will build over the great 
lakes on saturday. a warm front will lift across the lake 
saturday night, followed by another cold front passing through on
sunday. high pressure 30.30 inches will build over the lake 
sunday night into monday. 


lez165>167-220330-
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-
252 pm est fri nov 21 2025

.tonight...west winds 5 to 10 knots becoming north. a slight
chance of rain through the early overnight. waves 2 feet or less.
.saturday...north winds 5 to 10 knots becoming northwest. waves
2 feet or less. 
.saturday night...west winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. waves 1 foot or less building to
3 to 5 feet. 
.sunday...west winds 15 to 20 knots. waves 3 to 6 feet. 
.sunday night...west winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. rain likely monday night. waves
1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. rain
during the day, then a chance of rain tuesday night. waves 3 to
5 feet subsiding to 2 to 4 feet. 
.wednesday...west winds to 30 knots. a chance of rain. waves 5 to
8 feet building to 8 to 11 feet. waves occasionally around
14 feet. 

$$

fzus63 kdtx 212038
glflh 
expires:202511220445;;269773

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm est fri nov 21 2025

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, 30.10 inches, will build into the
central great lakes through tomorrow. low pressure tracking
through northern ontario saturday evening will track a cold front
through the region saturday night. northwest wind gusts behind
the front sunday morning will reach into the 20 to 30 knot range.


lhz462>464-220445-
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-
338 pm est fri nov 21 2025

.tonight...northwest winds around 15 knots. waves 2 to 4 feet. 
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then backing
to the west late in the afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet in the afternoon. 
.saturday night...southwest winds 5 to 10 knots increasing to
15 to 20 knots in the late evening and overnight. waves 1 to
3 feet building to 3 to 5 feet after midnight. 
.sunday...west winds 15 to 20 knots. waves 3 to 5 feet. 
.sunday night...west 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. 
.monday...southwest winds 10 to 15 knots backing to the south
late in the afternoon. rain likely late in the evening. waves
1 to 3 feet building to 2 to 4 feet late in the evening. 
.tuesday...south winds 15 to 20 knots decreasing to 10 to
15 knots until early evening...then veering to the southwest in
the late evening and early morning. rain early in the morning...
then rain likely early in the evening. a chance of rain in the
late evening and early morning. waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots increasing to 35 knot
gales. a chance of rain. a chance of snow. waves 3 to 5 feet
building to 8 to 12 feet. waves occasionally around 15 feet. a
gale warning may be needed. 


$$

fzus63 kdtx 212038
glflh 
expires:202511220445;;269772

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm est fri nov 21 2025

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, 30.10 inches, will build into the
central great lakes through tomorrow. low pressure tracking
through northern ontario saturday evening will track a cold front
through the region saturday night. northwest wind gusts behind
the front sunday morning will reach into the 20 to 30 knot range.


lhz361>363-220445-
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-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
338 pm est fri nov 21 2025

.tonight...northwest winds 15 to 25 knots decreasing to 10 to 15 
knots after midnight. waves 4 to 6 feet. waves occasionally around
8 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and early afternoon...then backing
to the southwest late in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. 
.saturday night...south winds 10 to 15 knots becoming southwest
15 to 20 knots in the late evening and overnight. a chance of
rain. waves 1 to 3 feet building to 3 to 5 feet in the late
evening and overnight. 
.sunday...west winds 20 to 25 knots decreasing to 15 to 20 knots
early in the afternoon. waves 4 to 6 feet. 
.sunday night...west winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. waves occasionally around 8 feet. 
.monday...southwest winds 10 to 15 knots backing to the south
late in the afternoon. rain likely late in the evening. waves
1 to 3 feet building to 2 to 4 feet late in the evening. 
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots in the late evening and early morning. rain likely...
then a chance of rain in the late evening and early morning.
waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots increasing to 35 knot
gales. a chance of rain and snow...then snow likely in the late
evening and early morning. waves 4 to 6 feet building to 10 to
14 feet. waves occasionally around 18 feet. a gale warning may be
needed. 


$$

fzus63 kdtx 212038
glfsc 
expires:202511220445;;269778

lake st clair forecast
national weather service detroit/pontiac mi
338 pm est fri nov 21 2025

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, 30.10 inches, will build into the
central great lakes through tomorrow. low pressure tracking
through northern ontario saturday evening will track a cold front
through the region saturday night. northwest wind gusts behind
the front sunday morning will reach into the 20 to 30 knot range.


lcz460-220445-
lake st clair-
338 pm est fri nov 21 2025

.tonight...northwest winds 10 to 15 knots becoming north  after 
midnight. mostly cloudy until early morning then clearing. waves 2
feet or less.
.saturday...north winds 10 to 15 knots becoming northwest 5 to 10
knots in the late morning and early afternoon...then becoming light
and variable late in the afternoon. mostly sunny. waves 2 feet or
less.
.saturday night...southwest winds 5 to 10 knots increasing to 15 to
20 knots. partly cloudy becoming mostly cloudy in the late evening
and early morning becoming mostly clear. waves 2 feet or less.
.sunday...west winds 15 to 20 knots diminishing to 10 to 15 knots in
the late morning and afternoon. mostly sunny. waves 2 feet or less.
.sunday night...west winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.monday...south winds 5 to 10 knots increasing to 10 to 15 knots in
the evening. mostly sunny becoming partly sunny in the afternoon
becoming mostly cloudy. waves 2 feet or less.
.tuesday...southwest winds 15 to 20 knots. light rain. waves 1 to 3
feet.
.wednesday...west winds to 30 knots. partly cloudy. a chance of
light rain. waves 2 to 4 feet. a small craft advisory may be needed.

$$