(1/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 5/13/2026 4:02 PM America/New_York.
Valid through 5/13/2026 11:00 PM America/New_York.
fzus61 kbuf 132002
glflo
expires:202605140300;;506749
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt wed may 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 29.6 inch low north of lake ontario this evening
will weaken into a trough as it slowly drifts over eastern new york
and new england through thursday. a 30.0 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 29.3 inch low over the central plains will then
push its' warm front into the lower great lakes region sunday and
sunday night. another low averaging 29.5 inches may move from the
central great lakes to james bay monday through monday night.
loz063>065-140300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt wed may 13 2026
.tonight...west winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of showers early. waves 3 to 5 feet subsiding
to 2 to 4 feet.
.thursday...southwest winds 10 knots or less becoming northwest.
waves 1 to 3 feet subsiding to 1 foot or less.
.thursday night...northwest winds 5 to 15 knots. a chance of
showers. waves 2 feet or less.
.friday...northwest winds 5 to 15 knots becoming west. a chance
of showers in the morning. waves 2 feet or less.
.friday night...southwest winds 5 to 15 knots becoming south.
waves 2 feet or less.
.saturday...south winds 10 to 15 knots becoming southwest. a
chance of showers saturday night. waves 1 to 3 feet.
.sunday...west winds 5 to 10 knots becoming east. a chance of
showers during the day. waves 2 feet or less.
.monday...east winds 5 to 15 knots becoming south 15 to 20 knots.
waves 1 foot or less building to 1 to 3 feet.
$$
(2/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 5/13/2026 4:02 PM America/New_York.
Valid through 5/13/2026 11:00 PM America/New_York.
fzus61 kbuf 132002
glflo
expires:202605140300;;506748
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt wed may 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 29.6 inch low north of lake ontario this evening
will weaken into a trough as it slowly drifts over eastern new york
and new england through thursday. a 30.0 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 29.3 inch low over the central plains will then
push its' warm front into the lower great lakes region sunday and
sunday night. another low averaging 29.5 inches may move from the
central great lakes to james bay monday through monday night.
loz062-140300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt wed may 13 2026
.tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers late. waves 3 to 5 feet subsiding
to 2 to 4 feet.
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of showers. waves 1 to 3 feet.
.thursday night...northwest winds 5 to 10 knots. a chance of
showers in the evening. waves 2 feet or less.
.friday...northwest winds 5 to 10 knots becoming southwest. waves
1 to 2 feet.
.friday night...southwest winds 10 to 15 knots. waves 1 to
2 feet.
.saturday...southwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. a chance of showers saturday night.
waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to
2 feet.
.sunday...west winds 10 knots or less becoming east. a chance of
showers during the day. waves 1 foot or less.
.monday...east winds 5 to 15 knots becoming southwest. waves 1 to
2 feet.
$$
(3/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/13/2026 3:38 PM America/New_York.
Valid through 5/13/2026 10:15 PM America/New_York.
fzus61 kcle 131938
glfle
expires:202605140215;;506050
open lake forecast for lake erie
national weather service cleveland oh
338 pm edt wed may 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 trough averaging 29.90 inches will remain across the lake
tonight through thursday. high pressure 30.10 inches will build
across the region thursday night into friday. this high will move
east friday night to allow a warm front to lift across the lake
friday night into saturday.
lez061-168-169-140215-
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-
338 pm edt wed may 13 2026
.tonight...west winds 10 to 15 knots increasing to 15 to
25 knots. a slight chance of showers late this evening. a chance
of showers after midnight. waves 3 to 5 feet subsiding to 2 to
4 feet.
.thursday...northwest winds 15 to 25 knots diminishing to 10 to
15 knots. a chance of showers in the morning, then a slight
chance of showers in the afternoon. waves 2 to 4 feet.
.thursday night...northwest winds 5 to 15 knots. waves 1 to
3 feet.
.friday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less.
.friday night...southwest winds 5 to 15 knots becoming south.
waves 2 feet or less.
.saturday...south winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms during the day, then a chance
of showers saturday night. waves 1 to 2 feet.
.sunday...southwest winds 10 knots or less becoming southeast. a
chance of showers during the day. waves 1 foot or less.
.monday...south winds 5 to 15 knots. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(4/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/13/2026 3:38 PM America/New_York.
Valid through 5/13/2026 10:15 PM America/New_York.
fzus61 kcle 131938
glfle
expires:202605140215;;506048
open lake forecast for lake erie
national weather service cleveland oh
338 pm edt wed may 13 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a trough averaging 29.90 inches will remain across the lake
tonight through thursday. high pressure 30.10 inches will build
across the region thursday night into friday. this high will move
east friday night to allow a warm front to lift across the lake
friday night into saturday.
lez162>164-140215-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
338 pm edt wed may 13 2026
.tonight...northwest winds 15 to 25 knots. a slight chance of
showers after midnight. waves 2 to 4 feet.
.thursday...northwest winds 15 to 25 knots diminishing to 10 to
15 knots. waves 1 to 3 feet.
.thursday night...north winds 10 knots or less becoming south.
waves 2 feet or less.
.friday...southwest winds 10 knots or less becoming south. waves
1 foot or less.
.friday night...south winds 5 to 15 knots. waves 2 feet or less.
.saturday...south winds 5 to 15 knots becoming southwest. a
chance of thunderstorms during the day, then showers likely
saturday night. waves 2 feet or less.
.sunday...west winds 5 to 15 knots becoming southeast. a chance
of showers and thunderstorms during the day. waves 2 feet or
less.
.monday...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(5/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/13/2026 3:38 PM America/New_York.
Valid through 5/13/2026 10:15 PM America/New_York.
fzus61 kcle 131938
glfle
expires:202605140215;;506049
open lake forecast for lake erie
national weather service cleveland oh
338 pm edt wed may 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 trough averaging 29.90 inches will remain across the lake
tonight through thursday. high pressure 30.10 inches will build
across the region thursday night into friday. this high will move
east friday night to allow a warm front to lift across the lake
friday night into saturday.
lez165>167-140215-
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-
338 pm edt wed may 13 2026
.tonight...northwest winds 15 to 25 knots. a slight chance of
showers this evening, then a chance of showers after midnight.
waves 2 to 4 feet.
.thursday...northwest winds 15 to 25 knots diminishing to 10 to
15 knots. a slight chance of showers early. waves 3 to 5 feet
subsiding to 2 to 4 feet.
.thursday night...northwest winds 5 to 15 knots. waves 1 to
3 feet.
.friday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less.
.friday night...south winds 5 to 15 knots. waves 2 feet or less.
.saturday...south winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms during the day, then a chance
of showers saturday night. waves 1 to 3 feet.
.sunday...southwest winds 5 to 10 knots becoming southeast. waves
1 foot or less.
.monday...south winds 10 to 15 knots. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(6/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/13/2026 3:52 PM America/New_York.
Valid through 5/14/2026 12:00 AM America/New_York.
fzus63 kdtx 131952
glfsc
expires:202605140400;;506263
lake st clair forecast
national weather service detroit/pontiac mi
352 pm edt wed may 13 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...low pressure of 29.60 inches is now over georgian bay,
producing gusty west winds of 25 to 30 knots. much lighter winds
for thursday as high pressure arrives.
lcz460-140400-
lake st clair-
352 pm edt wed may 13 2026
...small craft advisory in effect until 10 pm edt this evening...
.tonight...northwest winds 15 to 20 knots. mostly cloudy becoming
partly cloudy. waves 1 to 3 feet.
.thursday...northwest winds 15 to 20 knots becoming north 10 to 15
knots late in the afternoon. mostly sunny. waves 1 to 3 feet.
.thursday night...north winds 10 to 15 knots becoming northeast 5 to
10 knots by midnight...then becoming light and variable after
midnight. mostly clear. waves 2 feet or less.
.friday...light and variable winds becoming south 10 to 15 knots.
partly sunny. waves 2 feet or less.
.friday night...south winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.saturday...southwest winds 10 to 15 knots. partly sunny...then
partly cloudy with a chance of showers in the evening. waves 2 feet
or less.
.sunday...southeast winds 10 to 15 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.monday...south winds 20 to 25 knots. partly cloudy. waves 1 to 3
feet.
$$
(7/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/13/2026 3:51 PM America/New_York.
Valid through 5/14/2026 12:00 AM America/New_York.
fzus63 kdtx 131951
glflh
expires:202605140400;;506261
open lake forecast for lake huron
national weather service detroit/pontiac mi
351 pm edt wed may 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...low pressure of 29.60 inches is now over georgian bay,
producing gusty west winds of 25 to 30 knots. much lighter winds
for thursday as high pressure arrives.
lhz363-462>464-140400-
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-
351 pm edt wed may 13 2026
.tonight...northwest winds 15 to 20 knots. gusts to 30 knots in
the evening. waves 6 to 9 feet. waves occasionally around
12 feet.
.thursday...north winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. 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...light and variable winds becoming south 5 to 10 knots
in the late morning and early afternoon...then increasing to
10 to 15 knots early in the afternoon. waves 1 to 3 feet building
to 2 to 4 feet early in the afternoon.
.friday night...south winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet.
.saturday...south winds 10 to 15 knots. waves 3 to 5 feet.
.sunday...north winds 5 to 10 knots becoming northeast 10 to
15 knots by midnight. a chance of showers by midnight. waves 1 to
3 feet building to 2 to 4 feet by midnight.
.monday...southeast winds 15 to 20 knots veering to the south . a
chance of showers early in the morning. a chance of showers by
midnight. waves 4 to 6 feet. waves occasionally around 8 feet.
$$
(8/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/13/2026 3:51 PM America/New_York.
Valid through 5/14/2026 12:00 AM America/New_York.
fzus63 kdtx 131951
glflh
expires:202605140400;;506260
open lake forecast for lake huron
national weather service detroit/pontiac mi
351 pm edt wed may 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...low pressure of 29.60 inches is now over georgian bay,
producing gusty west winds of 25 to 30 knots. much lighter winds
for thursday as high pressure arrives.
lhz361-362-140400-
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-
351 pm edt wed may 13 2026
.tonight...northwest winds 15 to 20 knots. waves 6 to 9 feet.
waves occasionally around 12 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 early in the evening
becoming light and variable. waves 2 to 4 feet subsiding to
2 feet or less in the late evening and overnight.
.friday...south winds 5 to 10 knots becoming southeast 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon.
.friday night...south winds 15 to 20 knots. waves 5 to 7 feet.
waves occasionally around 10 feet.
.saturday...south winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon...then becoming northwest 5 to
10 knots late in the evening. waves 4 to 6 feet.
.sunday...northwest winds 5 to 10 knots veering to the north in
the late morning and early afternoon...then veering to the east
early in the evening increasing to 15 to 20 knots by midnight. a
chance of showers by midnight. waves 2 to 4 feet building to 4 to
6 feet . waves occasionally around 8 feet.
.monday...southeast winds 15 to 20 knots increasing to 20 to
25 knots early in the evening...then becoming south 15 to
20 knots by midnight. a chance of showers early in the morning. a
chance of showers . waves 5 to 7 feet. waves occasionally around
10 feet.
$$
|