fzus61 kbuf 122002
glflo 
expires:202605130300;;452572

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue may 12 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 30.3 inch high draped from the carolinas to new york 
state will settle off the mid-atlantic coast this evening. a 29.6 
inch low over the central great lakes tonight will move to a little 
north of lake ontario by wednesday evening, then weaken into a 
trough over eastern new york and new england thursday. a 30.1 inch 
high will then build from the central great lakes and ohio valley 
thursday night to the lower great lakes and mid atlantic friday, 
then off the carolina coast saturday. a 29.2 inch low over the 
central plains will then push its warm front into the lower lakes 
region on sunday.


loz062-130300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue may 12 2026

.tonight...east winds 5 to 10 knots becoming southeast and
increasing to 15 to 20 knots. a chance of showers early, then
showers from late evening on. waves 1 to 3 feet. 
.wednesday...south winds 15 to 20 knots becoming southwest.
showers early, then a chance of showers. waves 2 to 4 feet. 
.wednesday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet. 
.thursday...west winds 5 to 15 knots becoming northwest. waves
1 to 2 feet. 
.thursday night...northwest winds 5 to 10 knots. waves around
1 foot. 
.friday...west winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.saturday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.sunday...west winds 5 to 10 knots becoming east. waves 2 feet or
less. 

$$

fzus61 kbuf 122002
glflo 
expires:202605130300;;452573

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue may 12 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 30.3 inch high draped from the carolinas to new york 
state will settle off the mid-atlantic coast this evening. a 29.6 
inch low over the central great lakes tonight will move to a little 
north of lake ontario by wednesday evening, then weaken into a 
trough over eastern new york and new england thursday. a 30.1 inch 
high will then build from the central great lakes and ohio valley 
thursday night to the lower great lakes and mid atlantic friday, 
then off the carolina coast saturday. a 29.2 inch low over the 
central plains will then push its warm front into the lower lakes 
region on sunday.


loz063>065-130300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue may 12 2026

.tonight...east winds 5 to 15 knots becoming southeast 15 to
20 knots. a chance of rain showers late this evening. rain
showers after midnight. waves 1 to 3 feet. 
.wednesday...southeast winds 15 to 25 knots becoming southwest.
showers in the morning, then showers likely in the afternoon.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday night...southwest winds 5 to 15 knots. a chance of
showers. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots becoming northwest.
waves 2 feet or less. 
.thursday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.saturday...south winds 10 to 15 knots becoming west. a chance of
showers. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.sunday...west winds 5 to 15 knots becoming southeast. waves 1 to
3 feet subsiding to 1 foot or less. 

$$

fzus61 kcle 121943
glfle 
expires:202605130215;;452177

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt tue may 12 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 warm front will cross the lake today. low pressure 29.60 inches
will move southeast across the great lakes tonight into wednesday.
this low will extend a cold front across the lake by wednesday
night. a trough averaging 29.90 inches will remain across the lake
on thursday. high pressure 30.10 inches will move through the
region thursday night into friday. a warm front will move across
the lake on friday night into saturday.


lez162>164-130215-
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-
343 pm edt tue may 12 2026

.tonight...southeast winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. a chance of showers with a slight
chance of thunderstorms late this evening. showers with a slight
chance of thunderstorms after midnight, then showers likely late.
waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west. a
slight chance of showers early. waves 2 to 4 feet. 
.wednesday night...northwest winds 15 to 20 knots. waves 2 to
4 feet. 
.thursday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 1 to 3 feet. 
.thursday night...north winds 10 knots or less becoming
southwest. waves 2 feet or less. 
.friday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.saturday...southwest winds 5 to 15 knots becoming northwest.
waves 1 to 2 feet. 
.sunday...east winds 5 to 15 knots becoming south. a chance of
showers and thunderstorms during the day, then a chance of
showers sunday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 121943
glfle 
expires:202605130215;;452178

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt tue may 12 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 warm front will cross the lake today. low pressure 29.60 inches
will move southeast across the great lakes tonight into wednesday.
this low will extend a cold front across the lake by wednesday
night. a trough averaging 29.90 inches will remain across the lake
on thursday. high pressure 30.10 inches will move through the
region thursday night into friday. a warm front will move across
the lake on friday night into saturday.


lez165>167-130215-
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-
343 pm edt tue may 12 2026

.tonight...east winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. a slight chance of showers early,
then a chance of showers with a slight chance of thunderstorms
late this evening. showers with a slight chance of thunderstorms
after midnight. waves 1 to 3 feet building to 3 to 6 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west. a
chance of showers early, then a slight chance of showers late in
the morning. waves 3 to 6 feet building to 4 to 7 feet, then
subsiding to 3 to 5 feet. waves occasionally around 9 feet. 
.wednesday night...west winds 15 to 20 knots becoming northwest.
a chance of showers overnight. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet. 
.thursday night...northwest winds 5 to 15 knots. waves 1 to
3 feet. 
.friday...west winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.saturday...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.sunday...east winds 5 to 15 knots becoming south. a chance of
showers sunday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 121943
glfle 
expires:202605130215;;452179

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt tue may 12 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 warm front will cross the lake today. low pressure 29.60 inches
will move southeast across the great lakes tonight into wednesday.
this low will extend a cold front across the lake by wednesday
night. a trough averaging 29.90 inches will remain across the lake
on thursday. high pressure 30.10 inches will move through the
region thursday night into friday. a warm front will move across
the lake on friday night into saturday.


lez061-168-169-130215-
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-
343 pm edt tue may 12 2026

.tonight...east winds 5 to 10 knots becoming south and increasing
to 15 to 20 knots. a slight chance of showers this evening, then
showers with a slight chance of thunderstorms after midnight.
waves 1 foot or less building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west.
showers early, then a chance of showers with a slight chance of
thunderstorms late in the morning. a slight chance of showers and
thunderstorms early in the afternoon. waves 3 to 5 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday night...west winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers in the morning. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday night...northwest winds 5 to 15 knots. waves 1 to
3 feet. 
.friday...west winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.saturday...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.sunday...southeast winds 10 knots or less. a chance of showers
sunday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 121939
glfsc 
expires:202605130345;;452004

lake st clair forecast
national weather service detroit/pontiac mi
339 pm edt tue may 12 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...low pressure of 29.70 inches will track west to east
across the northern great lakes through wednesday. this system
will bring increasing south winds this afternoon and evening,
followed by gusty west and northwest winds for wednesday. showers
and a few thunderstorms accompany the arrival of this system this
evening and into the overnight hours.


lcz460-130345-
lake st clair-
339 pm edt tue may 12 2026

...small craft advisory in effect from 10 pm edt this evening
through wednesday evening...

.tonight...southeast winds 15 to 20 knots becoming southwest 20 to
25 knots after midnight. light showers by midnight. a chance of
light showers early in the morning. waves 1 to 3 feet.
.wednesday...west winds 15 to 20 knots. mostly cloudy. waves 1 to 3
feet.
.wednesday night...northwest winds 15 to 20 knots. cloudy. waves 1
to 3 feet.
.thursday...north winds 15 to 20 knots. mostly cloudy early in the
morning becoming mostly sunny. waves 1 to 3 feet.
.thursday night...north winds 10 to 15 knots diminishing to 5 to 10
knots by midnight...then becoming light and variable after midnight.
mostly clear. waves 2 feet or less.
.friday...southwest winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon and evening. partly cloudy. waves 2 feet or
less.
.saturday...west winds 15 to 20 knots. mostly clear. waves 2 feet or
less.
.sunday...southeast winds 10 to 15 knots. partly cloudy. a chance of
showers and thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 121938
glflh 
expires:202605130345;;452002

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm edt tue may 12 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...low pressure of 29.70 inches will track west to east
across the northern great lakes through wednesday. this system
will bring increasing south winds this afternoon and evening,
followed by gusty west and northwest winds for wednesday. showers
and a few thunderstorms accompany the arrival of this system this
evening and into the overnight hours.


lhz363-462>464-130345-
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-
338 pm edt tue may 12 2026

.tonight...southeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots late in the evening...then
becoming south 15 to 20 knots after midnight. showers likely in
the evening. waves 5 to 7 feet. waves occasionally around
10 feet. 
.wednesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots with gusts to around 30 knots in the late morning and
afternoon. a chance of showers in the afternoon. waves 4 to
6 feet building to 6 to 9 feet late in the afternoon. waves
occasionally around 12 feet. 
.wednesday night...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots with gusts to around
30 knots in the late evening and overnight. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.thursday...northwest winds 15 to 20 knots. waves 5 to 7 feet.
waves occasionally around 10 feet. 
.thursday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 3 to 5 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.friday...southwest winds 5 to 10 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon. 
.saturday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 3 to 5 feet. 
.sunday...north winds 5 to 10 knots veering to the east early in
the evening...then increasing to 10 to 15 knots by midnight. a
chance of showers and thunderstorms . waves 2 to 4 feet subsiding
to 1 to 3 feet until early evening...then building to 2 to 4 feet
by midnight. 


$$

fzus63 kdtx 121938
glflh 
expires:202605130345;;452001

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm edt tue may 12 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...low pressure of 29.70 inches will track west to east
across the northern great lakes through wednesday. this system
will bring increasing south winds this afternoon and evening,
followed by gusty west and northwest winds for wednesday. showers
and a few thunderstorms accompany the arrival of this system this
evening and into the overnight hours.


lhz361-362-130345-
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-
338 pm edt tue may 12 2026

.tonight...east winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the morning. a
chance of showers. waves 8 to 12 feet. waves occasionally around
15 feet. 
.wednesday...north winds 10 to 15 knots becoming west 15 to
20 knots late in the morning...then becoming northwest 20 to
25 knots with gusts to around 30 knots in the afternoon. a chance
of showers in the morning...then showers likely in the afternoon.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.wednesday night...northwest winds 15 to 20 knots. a chance of
showers in the evening. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.thursday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. waves 3 to 5 feet. 
.thursday night...west winds 5 to 10 knots  becoming light and
variable. waves 2 to 4 feet subsiding to 2 feet or less in the
late evening and overnight. 
.friday...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers late in the evening. waves 1 to
3 feet building to 4 to 6 feet. waves occasionally around 8 feet.
.saturday...southwest winds 15 to 20 knots veering to the west
early in the evening...then becoming northwest 10 to 15 knots by
midnight. a chance of showers early in the morning. waves 4 to
6 feet. 
.sunday...northwest winds 5 to 10 knots veering to the northeast
in the late morning and early afternoon...then becoming east
10 to 15 knots early in the evening increasing to 15 to 20 knots
by midnight. a chance of showers . waves 2 to 4 feet building to
4 to 6 feet . waves occasionally around 8 feet. 


$$