(1/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 5/27/2026 10:03 AM America/New_York.
Valid through 5/27/2026 5:00 PM America/New_York.
fzus61 kbuf 271403
glflo
expires:202605272100;;734815
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt wed may 27 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 cold front associated with a 29.8 inch low over new
england will drop south across the lake this morning. a 30.2 inch
high over ontario will expand southeastward across the lower great
lakes thursday and thursday night, before settling into the ohio
valley friday. a 29.6 inch low will then make its way southeastward
across quebec friday and new england friday night and saturday, with
its trailing cold front crossing the lake late friday or friday
night. another 30.2 inch high is then forecast to build across the
great lakes later saturday through sunday.
loz062-272100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt wed may 27 2026
.this afternoon...west winds 5 to 10 knots. waves 1 foot or less.
.tonight...west winds 10 to 15 knots becoming north. waves 2 feet
or less.
.thursday...north winds 5 to 10 knots becoming west. waves 2 feet
or less.
.thursday night...west winds 5 to 10 knots. waves 1 to 2 feet.
.friday...west winds 10 to 15 knots becoming north 15 to
20 knots. waves 1 to 2 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet.
.saturday...north winds 5 to 15 knots becoming northwest less
than 10 knots. waves 1 to 3 feet subsiding to 1 foot or less.
.sunday...west winds 5 to 10 knots becoming northwest. waves
2 feet or less.
$$
(2/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 5/27/2026 10:03 AM America/New_York.
Valid through 5/27/2026 5:00 PM America/New_York.
fzus61 kbuf 271403
glflo
expires:202605272100;;734816
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt wed may 27 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a cold front associated with a 29.8 inch low over new
england will drop south across the lake this morning. a 30.2 inch
high over ontario will expand southeastward across the lower great
lakes thursday and thursday night, before settling into the ohio
valley friday. a 29.6 inch low will then make its way southeastward
across quebec friday and new england friday night and saturday, with
its trailing cold front crossing the lake late friday or friday
night. another 30.2 inch high is then forecast to build across the
great lakes later saturday through sunday.
loz063>065-272100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt wed may 27 2026
.this afternoon...northwest winds 5 to 15 knots becoming west.
waves 1 to 2 feet.
.tonight...west winds 5 to 15 knots becoming north. waves 2 feet
or less.
.thursday...north winds 5 to 15 knots becoming west. waves 2 feet
or less.
.thursday night...west winds 5 to 10 knots. waves 2 feet or less.
.friday...west winds 15 to 20 knots becoming northwest. a chance
of showers friday night. waves 1 to 3 feet building to 3 to
6 feet.
.saturday...north winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 foot or less.
.sunday...west winds 5 to 15 knots becoming northwest. waves
2 feet or less.
$$
(3/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/27/2026 9:56 AM America/New_York.
Valid through 5/27/2026 10:15 PM America/New_York.
fzus61 kcle 271356
glfle
expires:202605280215;;734524
open lake forecast for lake erie
national weather service cleveland oh
956 am edt wed may 27 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 cold front is expected to move southward across lake erie this
afternoon into the evening. high pressure 30.20 inches builds
into the region early thursday and persists through sunday.
lez164-165-280215-
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-
956 am edt wed may 27 2026
.tonight...northwest winds 10 knots or less becoming north. waves
2 feet or less.
.thursday...north winds 5 to 15 knots. waves 1 to 2 feet.
.thursday night...north winds 10 knots or less. waves 1 foot or
less.
.friday...light and variable winds. waves 1 foot or less.
.friday night...west winds 5 to 15 knots becoming northeast.
waves 2 feet or less building to 2 to 3 feet.
.saturday...northeast winds 10 to 15 knots. waves 2 to 3 feet.
.sunday...northeast winds 5 to 10 knots becoming west. waves
2 feet or less.
.monday...north winds 5 to 10 knots becoming northeast. waves
1 to 2 feet.
$$
(4/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/27/2026 9:56 AM America/New_York.
Valid through 5/27/2026 10:15 PM America/New_York.
fzus61 kcle 271356
glfle
expires:202605280215;;734525
open lake forecast for lake erie
national weather service cleveland oh
956 am edt wed may 27 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a cold front is expected to move southward across lake erie this
afternoon into the evening. high pressure 30.20 inches builds
into the region early thursday and persists through sunday.
lez061-166>169-280215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
956 am edt wed may 27 2026
.tonight...west winds 10 knots or less becoming north. waves
2 feet or less.
.thursday...north winds 5 to 10 knots becoming west. waves 2 feet
or less.
.thursday night...west winds 10 knots or less. waves 1 foot or
less.
.friday...west winds 10 knots or less increasing to 10 to
15 knots. waves 1 foot or less building to 2 to 4 feet.
.friday night...west winds 5 to 15 knots becoming northeast.
waves 1 to 3 feet.
.saturday...northeast winds 10 to 15 knots. waves 1 to 3 feet.
.sunday...north winds 5 to 10 knots becoming northwest. waves
2 feet or less.
.monday...north winds 5 to 10 knots becoming northeast. waves
2 feet or less.
$$
(5/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 5/27/2026 9:56 AM America/New_York.
Valid through 5/27/2026 10:15 PM America/New_York.
fzus61 kcle 271356
glfle
expires:202605280215;;734523
open lake forecast for lake erie
national weather service cleveland oh
956 am edt wed may 27 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 cold front is expected to move southward across lake erie this
afternoon into the evening. high pressure 30.20 inches builds
into the region early thursday and persists through sunday.
lez162-163-280215-
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-
956 am edt wed may 27 2026
.tonight...north winds 10 knots or less. a slight chance of
showers this evening. waves 2 feet or less.
.thursday...north winds 10 to 15 knots becoming northeast. waves
1 to 2 feet.
.thursday night...northeast winds 10 knots or less. waves 1 foot
or less.
.friday...light and variable winds becoming west 5 to 10 knots.
waves 1 foot or less.
.friday night...west winds 5 to 15 knots becoming northeast.
waves 2 feet or less.
.saturday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet.
.sunday...northeast winds 5 to 10 knots becoming west. waves
2 feet or less.
.monday...north winds around 10 knots becoming northeast. waves
2 feet or less.
$$
(6/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/27/2026 9:50 AM America/New_York.
Valid through 5/27/2026 6:00 PM America/New_York.
fzus63 kdtx 271350
glflh
expires:202605272200;;734384
open lake forecast for lake huron
national weather service detroit/pontiac mi
950 am edt wed may 27 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...high pressure, 30.30 inches, builds in from the north
offering weaker flow and mainly dry conditions for most of the
week.
lhz361>363-272200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
950 am edt wed may 27 2026
.rest of today...north winds 5 to 10 knots late in the morning
becoming light and variable...then becoming north 5 to 10 knots
late in the afternoon. waves 2 feet or less.
.tonight...northeast winds 5 to 10 knots becoming northwest 10 to
15 knots late in the evening...then veering to the north after
midnight. waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.thursday...north winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.thursday night...light and variable winds becoming west 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.friday...west winds 5 to 10 knots becoming southwest 10 to
15 knots. waves 1 to 3 feet building to 3 to 5 feet.
.saturday...northeast winds 10 to 15 knots becoming north 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.sunday...northwest winds 5 to 10 knots becoming west 10 to
15 knots. waves 2 feet or less.
$$
(7/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/27/2026 9:50 AM America/New_York.
Valid through 5/27/2026 6:00 PM America/New_York.
fzus63 kdtx 271350
glfsc
expires:202605272200;;734383
lake st clair forecast
national weather service detroit/pontiac mi
950 am edt wed may 27 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, 30.30 inches, builds in from the north
offering weaker flow and mainly dry conditions for most of the
week.
lcz460-272200-
lake st clair-
950 am edt wed may 27 2026
.rest of today...light and variable winds becoming northeast 5 to 10
knots late in the afternoon. partly sunny. waves 2 feet or less.
.tonight...northeast winds 10 to 15 knots becoming north 5 to 10
knots after midnight...then increasing to 10 to 15 knots early in
the morning. mostly clear. waves 2 feet or less.
.thursday...north winds 10 to 15 knots. sunny. waves 1 to 3 feet.
.thursday night...northeast winds 10 to 15 knots becoming light and
variable. clear. waves 2 feet or less.
.friday...light and variable winds becoming west 5 to 10 knots in
the afternoon...then becoming north 10 to 15 knots in the evening.
sunny becoming mostly clear. waves 2 feet or less.
.saturday...northeast winds 15 to 20 knots. mostly clear. waves 2
feet or less.
.sunday...east winds 10 to 15 knots. mostly clear. waves 2 feet or
less.
$$
(8/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/27/2026 9:50 AM America/New_York.
Valid through 5/27/2026 6:00 PM America/New_York.
fzus63 kdtx 271350
glflh
expires:202605272200;;734385
open lake forecast for lake huron
national weather service detroit/pontiac mi
950 am edt wed may 27 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...high pressure, 30.30 inches, builds in from the north
offering weaker flow and mainly dry conditions for most of the
week.
lhz462>464-272200-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
950 am edt wed may 27 2026
.rest of today...north winds 5 to 10 knots. waves 2 feet or less.
.tonight...north winds 5 to 10 knots increasing to 10 to 15 knots
early in the morning. waves 1 to 3 feet.
.thursday...north winds 10 to 15 knots. waves 2 to 4 feet.
.thursday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 1 to 3 feet.
.friday...southwest winds 5 to 10 knots becoming northwest 10 to
15 knots late in the afternoon. waves 2 feet or less.
.saturday...north winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. waves 2 to 4 feet.
.sunday...north winds 5 to 10 knots. waves 2 feet or less.
$$
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