fzus61 kbuf 300820
glflo 
expires:202604301515;;772843

open lake forecast for lake ontario
national weather service buffalo ny
420 am edt thu apr 30 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 elongated 29.9 inch low will move quebec today while 
a 29.6 inch low develops and tracks northeast off the mid-atlantic 
and new england coastlines. this second low will then retrograde 
northward and then northwestward across the canadian maritimes and 
quebec respectively friday and saturday. a 29.5 inch low will then 
track from the southeastern states northeastward into the western 
atlantic saturday through sunday, while a 29.8 inch high ridges 
across the lower great lakes.


loz062-301515-
lake ontario open waters from the niagara river to hamlin beach-
420 am edt thu apr 30 2026

.today...northwest winds 10 to 15 knots becoming west. waves 1 to
3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest. waves
1 to 2 feet. 
.friday...west winds 5 to 10 knots. waves 1 foot or less. 
.friday night...west winds 5 to 10 knots becoming northwest.
waves 1 foot or less. 
.saturday...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of rain showers sunday night. waves 1 to
2 feet building to 3 to 5 feet. 
.monday...southwest winds 15 to 25 knots. a chance of showers.
waves 3 to 6 feet. 

$$

fzus61 kbuf 300820
glflo 
expires:202604301515;;772844

open lake forecast for lake ontario
national weather service buffalo ny
420 am edt thu apr 30 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 elongated 29.9 inch low will move quebec today while 
a 29.6 inch low develops and tracks northeast off the mid-atlantic 
and new england coastlines. this second low will then retrograde 
northward and then northwestward across the canadian maritimes and 
quebec respectively friday and saturday. a 29.5 inch low will then 
track from the southeastern states northeastward into the western 
atlantic saturday through sunday, while a 29.8 inch high ridges 
across the lower great lakes.


loz063>065-301515-
lake ontario open waters from hamlin beach to the saint lawrence
river-
420 am edt thu apr 30 2026

.today...west winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.friday night...west winds 5 to 10 knots. waves 1 to 2 feet. 
.saturday...west winds 5 to 15 knots. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of rain showers sunday night. waves 1 to
3 feet building to 2 to 4 feet. 
.monday...south winds 15 to 20 knots becoming southwest. showers
likely. waves 2 to 4 feet building to 3 to 5 feet. 

$$

fzus61 kcle 301343
glfle 
expires:202604302015;;783765

open lake forecast for lake erie
national weather service cleveland oh
943 am edt thu apr 30 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 linger over the lake through
the end of the week. high pressure 30.10 inches will build into 
the region on saturday with low pressure 29.80 inches moving 
through the region on monday.


lez061-167>169-302015-
ripley to buffalo ny extending from 5nm 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-
943 am edt thu apr 30 2026

.this afternoon...northwest winds 10 to 15 knots becoming west.
waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest less than
10 knots. a slight chance of showers early. waves 1 to 3 feet
subsiding to 1 foot or less. 
.friday...northwest winds 10 knots or less becoming west. waves
1 foot or less. 
.friday night...west winds 5 to 10 knots becoming northwest.
waves around 1 foot. 
.saturday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of rain showers sunday night. waves 1 to
3 feet building to 2 to 4 feet. 
.monday...southwest winds 15 to 20 knots. a chance of showers.
waves 2 to 4 feet. 

$$

fzus61 kcle 301343
glfle 
expires:202604302015;;783763

open lake forecast for lake erie
national weather service cleveland oh
943 am edt thu apr 30 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 linger over the lake through
the end of the week. high pressure 30.10 inches will build into 
the region on saturday with low pressure 29.80 inches moving 
through the region on monday.


lez162-163-302015-
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-
943 am edt thu apr 30 2026

.this afternoon...northwest winds 10 to 15 knots. waves 1 to
2 feet. 
.tonight...northwest winds 5 to 10 knots. a chance of showers
after midnight. waves 2 feet or less. 
.friday...northwest winds 5 to 10 knots. waves 1 foot or less. 
.friday night...northwest winds around 10 knots becoming north.
waves 1 to 2 feet. 
.saturday...northwest winds 5 to 10 knots. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. a chance of showers sunday night.
waves 1 to 3 feet. 
.monday...southwest winds 15 to 25 knots becoming west. a chance
of showers. waves 1 to 3 feet. 

$$

fzus61 kcle 301343
glfle 
expires:202604302015;;783764

open lake forecast for lake erie
national weather service cleveland oh
943 am edt thu apr 30 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 linger over the lake through
the end of the week. high pressure 30.10 inches will build into 
the region on saturday with low pressure 29.80 inches moving 
through the region on monday.


lez164>166-302015-
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-
943 am edt thu apr 30 2026

.this afternoon...northwest winds 10 to 15 knots becoming west.
waves 1 to 2 feet. 
.tonight...west winds 5 to 10 knots becoming north. a slight
chance of showers late. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots becoming northwest. a
chance of showers. waves around 1 foot. 
.friday night...northwest winds 5 to 10 knots becoming north.
waves 1 to 2 feet. 
.saturday...north winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers sunday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.monday...southwest winds 15 to 20 knots. a chance of showers.
waves 2 to 4 feet. 

$$

fzus63 kdtx 300750
glfsc 
expires:202604301600;;771418

lake st clair forecast
national weather service detroit/pontiac mi
350 am edt thu apr 30 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 diffuse low pressure system, 30.00, will very
gradually move across the great lakes through the late week
period. this will bring periods of isolated showers and will
generally maintain lighter northwest flow.


lcz460-301600-
lake st clair-
350 am edt thu apr 30 2026

.today...northwest winds 10 to 15 knots diminishing to 5 to 10 knots
late in the afternoon. mostly cloudy. waves 2 feet or less.
.tonight...northwest winds 5 to 10 knots veering to the northeast
after midnight. partly cloudy. waves 2 feet or less.
.friday...north winds 5 to 10 knots. partly sunny. a chance of light
showers early in the afternoon. waves 2 feet or less.
.friday night...north winds 5 to 10 knots. mostly cloudy early in
the evening becoming partly cloudy. a chance of light showers early
in the evening. waves 2 feet or less.
.saturday...north winds 5 to 10 knots. mostly sunny in the morning
becoming partly cloudy. waves 2 feet or less.
.sunday...southwest winds 15 to 20 knots. partly cloudy. a chance of
light showers. waves 2 feet or less.
.monday...southwest winds 15 to 20 knots. partly cloudy. a chance of
light showers. waves 1 to 3 feet.

$$

fzus63 kdtx 300750
glflh 
expires:202604301600;;771416

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt thu apr 30 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 diffuse low pressure system, 30.00, will very
gradually move across the great lakes through the late week
period. this will bring periods of isolated rain showers and will
generally maintain lighter northwest flow.


lhz363-462>464-301600-
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-
350 am edt thu apr 30 2026

.today...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable...then becoming northwest 5 to
10 knots early in the morning. waves 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots. waves 1 to 3 feet. 
.friday night...north winds 5 to 10 knots becoming northwest
10 to 15 knots after midnight. waves 1 to 3 feet building to 2 to
4 feet after midnight. 
.saturday...northwest winds 10 to 15 knots becoming north 5 to
10 knots late in the morning...then backing to the southwest late
in the evening. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...west winds 5 to 10 knots becoming southwest 10 to
15 knots. a chance of showers by midnight. waves 1 to 3 feet
building to 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 3 to 5 feet. 


$$

fzus63 kdtx 300750
glflh 
expires:202604301600;;771415

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt thu apr 30 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 diffuse low pressure system, 30.00, will very
gradually move across the great lakes through the late week
period. this will bring periods of isolated rain showers and will
generally maintain lighter northwest flow.


lhz361-362-301600-
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-
350 am edt thu apr 30 2026

.today...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.tonight...northwest winds 10 to 15 knots. waves 1 to 3 feet. 
.friday...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and afternoon. waves 1 to 3 feet. 
.friday night...northwest winds 10 to 15 knots. waves 2 to
4 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the evening. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.sunday...west winds 5 to 10 knots becoming south 10 to 15 knots.
a chance of showers by midnight. waves 1 to 3 feet building to
2 to 4 feet. 
.monday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers early in the morning. a chance of
showers. waves 3 to 5 feet. 


$$