(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 3/20/2026 10:03 AM America/New_York.
Valid through 3/20/2026 5:00 PM America/New_York.
fzus61 kbuf 201403
glflo
expires:202603202100;;007486
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt fri mar 20 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 29.8 inch low over the upper great lakes will move
southeast across new york state this afternoon, before sliding off
the east coast tonight. a 30.0 inch high will then build across the
lake saturday, before a 29.6 inch low crosses the lower great lakes
sunday and slides off the mid-atlantic coast monday. a 30.4 inch
high is forecast to build across the upper great lakes monday, and
the lower great lakes tuesday.
loz062-202100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt fri mar 20 2026
.rest of today...southeast winds 15 to 20 knots becoming
northeast. rain. waves 2 to 4 feet.
.tonight...northeast winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet.
.saturday...northwest winds 5 to 10 knots becoming east. waves
1 foot or less.
.saturday night...east winds 5 to 10 knots. a chance of rain and
snow overnight. waves 1 foot or less.
.sunday...east winds 10 to 15 knots becoming northeast 15 to
20 knots. rain likely with a chance of snow during the day, then
rain likely with a chance of snow showers sunday night. waves
1 to 3 feet building to 3 to 5 feet.
.monday...north winds 15 to 20 knots becoming northwest. a chance
of snow showers during the day. waves 3 to 5 feet subsiding to
1 to 3 feet.
.tuesday...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 3/20/2026 10:03 AM America/New_York.
Valid through 3/20/2026 5:00 PM America/New_York.
fzus61 kbuf 201403
glflo
expires:202603202100;;007487
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt fri mar 20 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 29.8 inch low over the upper great lakes will move
southeast across new york state this afternoon, before sliding off
the east coast tonight. a 30.0 inch high will then build across the
lake saturday, before a 29.6 inch low crosses the lower great lakes
sunday and slides off the mid-atlantic coast monday. a 30.4 inch
high is forecast to build across the upper great lakes monday, and
the lower great lakes tuesday.
loz063-064-202100-
lake ontario open waters from hamlin beach to mexico bay-
1003 am edt fri mar 20 2026
.rest of today...southeast winds 15 to 20 knots becoming north.
rain with snow likely late this morning, then rain early this
afternoon. a chance of rain late. waves 1 to 3 feet building to
2 to 4 feet, then subsiding to 1 to 3 feet.
.tonight...northeast winds 10 to 15 knots becoming north. waves
1 to 3 feet.
.saturday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less.
.saturday night...east winds 5 to 10 knots becoming southeast.
rain and snow likely overnight. waves 2 feet or less.
.sunday...southeast winds 10 to 15 knots becoming northeast 15 to
20 knots. rain and snow likely during the day, then rain likely
with a chance of snow showers sunday night. waves 1 to 3 feet
building to 3 to 6 feet.
.monday...north winds 15 to 20 knots becoming northwest. a chance
of snow showers during the day. waves 3 to 6 feet subsiding to
2 to 4 feet.
.tuesday...northwest winds 15 to 20 knots becoming west. a chance
of rain and snow showers tuesday night. waves 2 to 4 feet
building to 3 to 6 feet.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 3/20/2026 9:32 AM America/New_York.
Valid through 3/20/2026 4:15 PM America/New_York.
fzus61 kcle 201332
glfle
expires:202603202015;;006520
open lake forecast for lake erie
national weather service cleveland oh
932 am edt fri mar 20 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 will move southeast across lake erie late this
afternoon, followed by high pressure 30.00 inches on saturday. a
stronger cold front will move southeast across the lake sunday
before high pressure 30.40 inches builds southeast across the
region early next week.
lez162>164-202015-
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-
932 am edt fri mar 20 2026
.rest of today...southwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of showers late this morning, then a
slight chance of showers early this afternoon. waves 1 to 3 feet.
.tonight...northwest winds 5 to 10 knots becoming northeast.
waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less.
.saturday night...east winds 5 to 15 knots becoming southwest.
waves 2 feet or less.
.sunday...southwest winds 10 to 15 knots becoming north 15 to
20 knots. a chance of rain showers. waves 1 to 2 feet building to
3 to 5 feet.
.monday...north winds 15 to 20 knots becoming east 5 to 15 knots.
waves 3 to 5 feet subsiding to 2 feet or less.
.tuesday...southeast winds 5 to 15 knots becoming west. waves
2 feet or less.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 3/20/2026 9:32 AM America/New_York.
Valid through 3/20/2026 4:15 PM America/New_York.
fzus61 kcle 201332
glfle
expires:202603202015;;006521
open lake forecast for lake erie
national weather service cleveland oh
932 am edt fri mar 20 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a cold front will move southeast across lake erie late this
afternoon, followed by high pressure 30.00 inches on saturday. a
stronger cold front will move southeast across the lake sunday
before high pressure 30.40 inches builds southeast across the
region early next week.
lez165>167-202015-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
932 am edt fri mar 20 2026
.rest of today...southwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of showers late this morning, then
showers likely early this afternoon. a slight chance of showers
late. waves 3 to 5 feet.
.tonight...northwest winds 5 to 10 knots becoming north. waves
1 to 3 feet.
.saturday...north winds 10 knots or less becoming east. waves
1 foot or less.
.saturday night...east winds 5 to 15 knots becoming southwest.
waves 2 feet or less.
.sunday...southwest winds 10 to 15 knots becoming north 15 to
20 knots. a chance of rain showers. waves 1 to 3 feet building to
3 to 5 feet.
.monday...north winds 15 to 20 knots becoming northeast 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...southeast winds 5 to 15 knots becoming west 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 3/20/2026 9:32 AM America/New_York.
Valid through 3/20/2026 4:15 PM America/New_York.
fzus61 kcle 201332
glfle
expires:202603202015;;006522
open lake forecast for lake erie
national weather service cleveland oh
932 am edt fri mar 20 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 will move southeast across lake erie late this
afternoon, followed by high pressure 30.00 inches on saturday. a
stronger cold front will move southeast across the lake sunday
before high pressure 30.40 inches builds southeast across the
region early next week.
lez061-168-169-202015-
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-
932 am edt fri mar 20 2026
.rest of today...south winds 15 to 20 knots becoming west. a
chance of rain showers late this morning, then rain showers early
this afternoon. a chance of rain showers late. waves 1 to 3 feet
building to 2 to 4 feet.
.tonight...northwest winds 5 to 10 knots becoming north. waves
1 to 3 feet.
.saturday...northeast winds less than 10 knots. waves 1 foot or
less.
.saturday night...east winds 10 knots or less becoming south.
waves 1 foot or less.
.sunday...southwest winds 10 to 15 knots becoming northeast. a
chance of rain showers. waves 1 to 3 feet.
.monday...north winds 5 to 15 knots. waves 1 to 3 feet.
.tuesday...south winds 5 to 10 knots becoming west. waves 1 foot
or less building to 1 to 3 feet.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/20/2026 9:59 AM America/New_York.
Valid through 3/20/2026 6:00 PM America/New_York.
fzus63 kdtx 201359
glfsc
expires:202603202200;;007222
lake st clair forecast
national weather service detroit/pontiac mi
959 am edt fri mar 20 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a compact clipper tracks across northern lake huron
this morning. weak high pressure follows on saturday before a
strong cold front sinks south across the region with gusty
northeast wind on sunday. stronger high pressure follows on
monday with another cold front expected tuesday.
lcz460-202200-
lake st clair-
959 am edt fri mar 20 2026
.rest of today...southwest winds 10 to 15 knots veering to the
northwest late in the afternoon. mostly cloudy. a chance of light
rain late in the morning. waves 2 feet or less.
.tonight...north winds 10 to 15 knots diminishing to 5 to 10 knots
after midnight. mostly cloudy. waves 2 feet or less.
.saturday...light and variable winds becoming southeast 5 to 10
knots early in the afternoon. mostly cloudy. waves 2 feet or less.
.saturday night...south winds 5 to 10 knots. partly cloudy becoming
mostly cloudy. waves 2 feet or less.
.sunday...southwest winds 5 to 10 knots becoming north 10 to 15
knots in the afternoon...then increasing to 15 to 20 knots in the
evening. mostly cloudy. a chance of light rain. waves 2 feet or
less.
.monday...north winds 15 to 20 knots. partly cloudy. waves 1 to 3
feet.
.tuesday...west winds 10 to 15 knots. partly cloudy. waves 2 feet or
less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/20/2026 9:58 AM America/New_York.
Valid through 3/20/2026 6:00 PM America/New_York.
fzus63 kdtx 201358
glflh
expires:202603202200;;007202
open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt fri mar 20 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 compact clipper tracks across northern lake huron
this morning. weak high pressure follows on saturday before a
strong cold front sinks south across the region with gusty
northeast wind on sunday. stronger high pressure follows on
monday with another cold front expected tuesday.
lhz462>464-202200-
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-
958 am edt fri mar 20 2026
.rest of today...southwest winds 10 to 15 knots veering to the
northwest late in the afternoon. a chance of rain late in the
morning. patchy fog. waves 2 to 4 feet.
.tonight...north winds 10 to 15 knots decreasing to 5 to 10 knots
by midnight...then backing to the northwest early in the morning.
waves 1 to 3 feet.
.saturday...northwest winds 5 to 10 knots backing to the
southeast early in the afternoon. waves 2 feet or less.
.saturday night...southeast winds 5 to 10 knots increasing to
10 to 15 knots in the late evening and overnight. a chance of
rain after midnight. waves 1 to 3 feet.
.sunday...south winds 10 to 15 knots becoming north 15 to
20 knots. a chance of rain. waves 2 to 4 feet building to 5 to
7 feet. waves occasionally around 10 feet.
.monday...north winds 15 to 20 knots decreasing to 5 to 10 knots.
waves 3 to 5 feet.
.tuesday...south winds 10 to 15 knots veering to the west by
midnight. waves 1 to 3 feet building to 2 to 4 feet.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/20/2026 9:58 AM America/New_York.
Valid through 3/20/2026 6:00 PM America/New_York.
fzus63 kdtx 201358
glflh
expires:202603202200;;007201
open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt fri mar 20 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 compact clipper tracks across northern lake huron
this morning. weak high pressure follows on saturday before a
strong cold front sinks south across the region with gusty
northeast wind on sunday. stronger high pressure follows on
monday with another cold front expected tuesday.
lhz363-202200-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
958 am edt fri mar 20 2026
.rest of today...southwest winds 10 to 15 knots. a chance of rain
late in the morning. patchy fog. waves 2 to 4 feet.
.tonight...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the evening...then backing to the northwest after
midnight. waves 1 to 3 feet.
.saturday...northwest winds 5 to 10 knots backing to the
southeast early in the afternoon. waves 2 feet or less.
.saturday night...southeast winds 10 to 15 knots veering to the
south after midnight. a chance of rain and snow in the evening...
then a chance of rain after midnight. waves 1 to 3 feet.
.sunday...east winds 15 to 20 knots backing to the northeast. a
chance of rain. waves 4 to 6 feet.
.monday...north winds 15 to 20 knots decreasing to 10 to
15 knots. waves 4 to 6 feet subsiding to 2 to 4 feet by midnight.
waves occasionally around 8 feet.
.tuesday...southwest winds 10 to 15 knots becoming south 15 to
20 knots in the late morning and early afternoon...then becoming
southwest 10 to 15 knots early in the evening becoming west 15 to
20 knots by midnight. waves 3 to 5 feet.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/20/2026 9:58 AM America/New_York.
Valid through 3/20/2026 6:00 PM America/New_York.
fzus63 kdtx 201358
glflh
expires:202603202200;;007200
open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt fri mar 20 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 compact clipper tracks across northern lake huron
this morning. weak high pressure follows on saturday before a
strong cold front sinks south across the region with gusty
northeast wind on sunday. stronger high pressure follows on
monday with another cold front expected tuesday.
lhz361-362-202200-
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-
958 am edt fri mar 20 2026
.rest of today...east winds 5 to 10 knots. patchy fog. waves 3 to
5 feet.
.tonight...northwest winds 5 to 10 knots backing to the west late
in the evening...then increasing to 10 to 15 knots after midnight
decreasing to 5 to 10 knots early in the morning. waves 1 to
3 feet.
.saturday...west winds 5 to 10 knots veering to the north in the
late morning and early afternoon...then becoming southeast 10 to
15 knots early in the afternoon. a chance of snow in the
afternoon. waves 1 to 3 feet.
.saturday night...east winds 10 to 15 knots. a chance of snow in
the evening...then rain and snow likely after midnight. waves
1 to 3 feet building to 2 to 4 feet in the late evening and
overnight.
.sunday...northeast winds 15 to 20 knots. a chance of rain and
snow. waves 5 to 7 feet. waves occasionally around 10 feet.
.monday...north winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and early afternoon...then backing to the
northwest . waves 4 to 6 feet subsiding to 1 to 3 feet by
midnight. waves occasionally around 8 feet.
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots until early evening...then veering to the west by
midnight. a chance of snow until afternoon. waves 3 to 5 feet
building to 5 to 7 feet. waves occasionally around 10 feet.
wave heights are for ice free areas.
$$
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