fzus61 kbuf 282003
glflo 
expires:202605290300;;804777

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt thu may 28 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 over ontario will expand southeastward 
across the great lakes tonight, 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, with its trailing cold 
front crossing the lake late friday or friday night. another 30.2 
inch high will then build across the great lakes and ohio valley 
later saturday through sunday, with a 29.8 inch low forecast to push 
south across new england sunday night and monday.


loz063>065-290300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt thu may 28 2026

.tonight...west winds 5 to 10 knots. waves 2 feet or less. 
.friday...west winds 10 to 15 knots increasing to 15 to 25 knots.
a chance of showers late. waves 1 to 3 feet building to 3 to
6 feet. 
.friday night...northwest winds 15 to 25 knots becoming north. a
chance of showers in the evening. waves 4 to 7 feet subsiding to
3 to 6 feet. waves occasionally around 9 feet. 
.saturday...north winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. waves 3 to 6 feet subsiding to
1 to 3 feet. 
.saturday night...northwest winds 10 knots or less becoming west.
waves 2 feet or less. 
.sunday...west winds 5 to 10 knots. waves 1 to 3 feet. 
.monday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 

$$

fzus61 kbuf 282003
glflo 
expires:202605290300;;804776

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt thu may 28 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 over ontario will expand southeastward 
across the great lakes tonight, 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, with its trailing cold 
front crossing the lake late friday or friday night. another 30.2 
inch high will then build across the great lakes and ohio valley 
later saturday through sunday, with a 29.8 inch low forecast to push 
south across new england sunday night and monday.


loz062-290300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt thu may 28 2026

.tonight...west winds 5 to 10 knots. waves 1 to 2 feet. 
.friday...west winds 5 to 15 knots increasing to 15 to 20 knots.
a chance of showers late. waves 1 to 2 feet building to 3 to
5 feet. 
.friday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.saturday...north winds 5 to 15 knots becoming west less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday night...west winds 10 knots or less. waves 1 foot or
less. 
.sunday...west winds 5 to 15 knots. waves 2 feet or less. 
.monday...northwest winds 10 knots or less. waves 1 foot or less.
.tuesday...northwest winds 5 to 10 knots becoming north. waves
around 1 foot. 

$$

fzus61 kcle 281938
glfle 
expires:202605290215;;804148

open lake forecast for lake erie
national weather service cleveland oh
338 pm edt thu may 28 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...
high pressure 30.10 inches will persist across the region tonight,
followed by a cold front friday night into saturday. high pressure
30.10 inches will return behind the front late saturday and remain 
through mid-next week.


lez164-165-290215-
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-
338 pm edt thu may 28 2026

.tonight...north winds 10 knots or less becoming northeast. waves
2 feet or less. 
.friday...light and variable winds becoming southwest 5 to
10 knots. waves 1 foot or less. 
.friday night...southwest winds 5 to 15 knots becoming northeast
15 to 20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.saturday...northeast winds 15 to 20 knots. waves 3 to 6 feet. 
.saturday night...northeast winds 15 to 20 knots becoming east
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.sunday...east winds 10 knots or less becoming southwest. waves
2 feet or less. 
.monday...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.tuesday...north winds 5 to 15 knots becoming northeast. waves
1 to 2 feet. 

$$

fzus61 kcle 281938
glfle 
expires:202605290215;;804149

open lake forecast for lake erie
national weather service cleveland oh
338 pm edt thu may 28 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...
high pressure 30.10 inches will persist across the region tonight,
followed by a cold front friday night into saturday. high pressure
30.10 inches will return behind the front late saturday and remain 
through mid-next week.


lez061-166>169-290215-
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-
338 pm edt thu may 28 2026

.tonight...west winds 10 knots or less becoming northwest. waves
2 feet or less. 
.friday...west winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots in the afternoon. waves 2 feet or
less building to 2 to 4 feet. 
.friday night...southwest winds 10 to 15 knots becoming northeast
15 to 20 knots. waves 2 to 4 feet building to 3 to 5 feet. 
.saturday...northeast winds 15 to 20 knots. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.saturday night...northeast winds 15 to 20 knots becoming east
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...east winds 10 knots or less becoming west. waves 1 foot
or less. 
.monday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 
.tuesday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less. 

$$

fzus61 kcle 281938
glfle 
expires:202605290215;;804147

open lake forecast for lake erie
national weather service cleveland oh
338 pm edt thu may 28 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...
high pressure 30.10 inches will persist across the region tonight,
followed by a cold front friday night into saturday. high pressure
30.10 inches will return behind the front late saturday and remain 
through mid-next week.


lez162-163-290215-
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-
338 pm edt thu may 28 2026

.tonight...northeast winds 10 to 15 knots diminishing to less
than 10 knots. waves 2 feet or less. 
.friday...light and variable winds becoming southwest 5 to
10 knots. waves 1 foot or less. 
.friday night...west winds 5 to 15 knots becoming northeast 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...northeast winds 15 to 20 knots becoming east 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.saturday night...east winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday...east winds 10 knots or less becoming southwest. waves
2 feet or less. 
.monday...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.tuesday...north winds 5 to 15 knots becoming northeast. waves
1 to 2 feet. 

$$

fzus63 kdtx 281953
glfsc 
expires:202605290400;;804338

lake st clair forecast
national weather service detroit/pontiac mi
353 pm edt thu may 28 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, drifts over the great
lakes this evening through friday. a cold front then sags across
the region friday night, veering winds to the northeast.
northeast winds become breezy into early saturday morning.


lcz460-290400-
lake st clair-
353 pm edt thu may 28 2026

.tonight...northeast winds 10 to 15 knots becoming light and
variable. clear. waves 2 feet or less.
.friday...light and variable winds becoming southwest 5 to 10 knots
in the late morning and early afternoon...then becoming west 10 to
15 knots late in the afternoon. sunny. waves 2 feet or less.
.friday night...northwest winds 10 to 15 knots becoming northeast 15
to 20 knots in the late evening and overnight. mostly clear. waves 2
feet or less.
.saturday...northeast winds 15 to 20 knots diminishing to 5 to 10
knots. sunny. waves 2 feet or less.
.saturday night...northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. mostly clear. waves 2
feet or less.
.sunday...light and variable winds becoming southeast 5 to 10 knots
in the afternoon...then veering to the south in the evening. clear.
waves 2 feet or less.
.monday...north winds 15 to 20 knots. mostly clear. waves 2 feet or
less.
.tuesday...northeast winds 15 to 20 knots. clear. waves 2 feet or
less.

$$

fzus63 kdtx 281953
glflh 
expires:202605290400;;804335

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt thu may 28 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, drifts over the great
lakes this evening through friday. a cold front then sags across
the region friday night, veering winds to the northeast.
northeast winds become breezy into early saturday morning.


lhz361-362-290400-
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-
353 pm edt thu may 28 2026

.tonight...west winds 5 to 10 knots. waves 2 feet or less. 
.friday...west winds 5 to 10 knots increasing to 15 to 20 knots.
waves 2 feet or less building to 3 to 5 feet in the late morning
and afternoon. 
.friday night...west winds 15 to 20 knots veering to the north by
midnight...then becoming northeast 10 to 15 knots after midnight.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.saturday...northeast winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.saturday night...light and variable winds. waves 2 feet or less.
.sunday...light and variable winds becoming west 5 to 10 knots
late in the morning...then increasing to 10 to 15 knots late in
the afternoon. waves 2 feet or less. 
.monday...north winds 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and early afternoon...then veering
to the southeast early in the evening veering to the northwest by
midnight. waves 1 to 3 feet. 
.tuesday...north winds 10 to 15 knots decreasing to 5 to 10 knots
until early evening...then backing to the northwest by midnight.
waves 1 to 3 feet. 


$$

fzus63 kdtx 281953
glflh 
expires:202605290400;;804336

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt thu may 28 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, drifts over the great
lakes this evening through friday. a cold front then sags across
the region friday night, veering winds to the northeast.
northeast winds become breezy into early saturday morning.


lhz363-462>464-290400-
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-
353 pm edt thu may 28 2026

.tonight...light and variable winds becoming southwest 5 to
10 knots after midnight. waves 1 to 3 feet. 
.friday...west winds 5 to 10 knots becoming southwest 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
in the afternoon. waves 1 to 3 feet. 
.friday night...north winds 10 to 15 knots increasing to 15 to
20 knots by midnight...then becoming northeast 10 to 15 knots
after midnight. waves 4 to 6 feet. waves occasionally around
8 feet. 
.saturday...northeast winds 10 to 15 knots. waves 2 to 4 feet. 
.saturday night...north winds 5 to 10 knots  becoming light and
variable. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.sunday...light and variable winds becoming east 5 to 10 knots
late in the afternoon...then backing to the west late in the
evening. waves 2 feet or less. 
.monday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday...north winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then decreasing to 5 to
10 knots . waves 1 to 3 feet. 


$$

fzus63 kmkx 281933
glflm 
expires:202605290315;;803976

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
233 pm cdt thu may 28 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure around 30.3 inches will dominate the weather pattern
through the weekend into early next week. light and variable winds
are expected, with periods of northeasterly prevailing winds
friday night into saturday, and again monday into monday night as
weak cold fronts move southward through the lake. winds are
expected to remain northerly into tuesday as low pressure begins
to develop in the southern plains.


lmz261-362-364-366-563-565-567-868-290315-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
233 pm cdt thu may 28 2026

sheboygan wi to pentwater mi north...

.tonight...northwest winds 10 to 20 kt diminishing to 5 to 10 kt
late this evening, then becoming west after midnight becoming
5 to 10 kt late. waves 2 to 4 ft subsiding to 1 ft or less. 
.friday...west winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...southwest winds 5 to 10 kt backing to east 10 to
20 kt late in the evening, then increasing to 15 to 25 kt after
midnight diminishing to 10 to 20 kt late. waves 1 to 2 ft
building to 2 to 4 ft. 
.saturday...east winds 10 to 20 kt becoming northeast. waves 2 to
4 ft. 
.saturday night...northeast winds 10 to 20 kt veering to
southeast 10 to 15 kt. waves 1 to 3 ft. 
.sunday...south winds 5 to 10 kt becoming southwest. waves 1 to
2 ft. 
.sunday night...southwest winds 10 to 15 kt becoming northwest
5 to 10 kt. waves 1 to 2 ft. 
.monday...northeast winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 2 ft building to 2 to 4 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 15 to
25 kt. waves 1 to 3 ft building to 2 to 4 ft.  

$$

fzus63 kmkx 281933
glflm 
expires:202605290315;;803977

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
233 pm cdt thu may 28 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure around 30.3 inches will dominate the weather pattern
through the weekend into early next week. light and variable winds
are expected, with periods of northeasterly prevailing winds
friday night into saturday, and again monday into monday night as
weak cold fronts move southward through the lake. winds are
expected to remain northerly into tuesday as low pressure begins
to develop in the southern plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-290315-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
233 pm cdt thu may 28 2026

sheboygan wi to pentwater mi south...

.tonight...north winds 10 to 20 kt diminishing to 10 to 15 kt
late this evening, then becoming northeast after midnight
becoming east late. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday...southeast winds 5 to 10 kt. patchy dense fog in the
afternoon. waves 1 to 2 ft. 
.friday night...southeast winds 5 to 10 kt becoming northeast
after midnight, then becoming east 15 to 25 kt late. patchy dense
fog in the evening. waves 1 ft or less building to 2 to 4 ft. 
.saturday...east winds 15 to 25 kt becoming northeast 10 to
20 kt. waves 3 to 5 ft. 
.saturday night...northeast winds 10 to 20 kt becoming southeast.
waves 2 to 4 ft. 
.sunday...southeast winds 5 to 10 kt backing to northeast 10 to
15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.sunday night...north winds 10 to 15 kt becoming northwest. waves
1 ft or less. 
.monday...north winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 2 ft building to 2 to 4 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 15 to
25 kt. waves 2 to 4 ft.  

$$

fzus63 kmqt 282001
glfls 
expires:202605290800;;804709

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu may 28 2026

for waters beyond 5 nautical miles of shore on lake superior.

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 pressure over the great lakes will weaken through 
friday to 30.0 inches as another high pressure dives south from the 
hudson bay. this high pressure will reach the upper great lakes on 
saturday at 30.3 inches and remain over the area through sunday. the 
high will weaken on monday as another 30.3 inch approaches the area 
from the north, which will build over the great lakes on tuesday.



lsz265-290800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt thu may 28 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southeast winds 5 to 15 knots veering south after
midnight, then veering west late. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon, then becoming northeast 5 to 15 knots late.
waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.saturday...east winds 15 to 25 knots. waves 2 to 4 feet. 
.saturday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots backing northeast
after midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots backing north. waves calm
to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202605290800;;804710

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu may 28 2026

for waters beyond 5 nautical miles of shore on lake superior.

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 pressure over the great lakes will weaken through 
friday to 30.0 inches as another high pressure dives south from the 
hudson bay. this high pressure will reach the upper great lakes on 
saturday at 30.3 inches and remain over the area through sunday. the 
high will weaken on monday as another 30.3 inch approaches the area 
from the north, which will build over the great lakes on tuesday.



lsz266-290800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
401 pm edt thu may 28 2026

.late this afternoon...west winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southeast winds less than 10 knots becoming south 5 to
15 knots after midnight, then veering west late. waves calm to
2 feet. 
.friday...west winds 5 to 15 knots veering north late. waves calm
to 2 feet. 
.friday night...northeast winds 10 to 20 knots becoming east
15 to 25 knots after midnight, then diminishing to 10 to 20 knots
late. waves building to 2 to 4 feet. 
.saturday...east winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
after midnight. waves subsiding to calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots veering west by mid
afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots veering northeast
after midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots backing north. waves calm
to 2 feet. 
.tuesday...northeast winds 5 to 15 knots veering south. waves
calm to 2 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202605290800;;804711

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu may 28 2026

for waters beyond 5 nautical miles of shore on lake superior.

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 pressure over the great lakes will weaken through 
friday to 30.0 inches as another high pressure dives south from the 
hudson bay. this high pressure will reach the upper great lakes on 
saturday at 30.3 inches and remain over the area through sunday. the 
high will weaken on monday as another 30.3 inch approaches the area 
from the north, which will build over the great lakes on tuesday.



lsz267-290800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt thu may 28 2026

.late this afternoon...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northwest winds less than 10 knots becoming southwest
5 to 15 knots after midnight. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots veering northwest late. waves
calm to 2 feet. 
.friday night...northeast winds 10 to 20 knots becoming east
15 to 25 knots after midnight, then diminishing to 10 to 20 knots
late. waves building to 1 to 3 feet. 
.saturday...east winds 5 to 15 knots backing northeast by mid
afternoon. waves subsiding to calm to 2 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots veering northwest by mid
afternoon. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.monday...north winds 10 to 20 knots. waves calm to 2 feet. 
.tuesday...northwest winds 10 to 20 knots becoming south 5 to
15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202605290800;;804706

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu may 28 2026

for waters beyond 5 nautical miles of shore on lake superior.

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 pressure over the great lakes will weaken through 
friday to 30.0 inches as another high pressure dives south from the 
hudson bay. this high pressure will reach the upper great lakes on 
saturday at 30.3 inches and remain over the area through sunday. the 
high will weaken on monday as another 30.3 inch approaches the area 
from the north, which will build over the great lakes on tuesday.



lsz162-290800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt thu may 28 2026 /301 pm cdt thu may 28 2026/

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...north winds 5 to 15 knots backing southwest late.
waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet. 
.saturday...northeast winds 15 to 25 knots. waves building to
3 to 6 feet occasionally to 8 feet. 
.saturday night...northeast winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest by mid
afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202605290800;;804707

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu may 28 2026

for waters beyond 5 nautical miles of shore on lake superior.

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 pressure over the great lakes will weaken through 
friday to 30.0 inches as another high pressure dives south from the 
hudson bay. this high pressure will reach the upper great lakes on 
saturday at 30.3 inches and remain over the area through sunday. the 
high will weaken on monday as another 30.3 inch approaches the area 
from the north, which will build over the great lakes on tuesday.



lsz263-290800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
401 pm edt thu may 28 2026

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...east winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots backing east late. waves
calm to 2 feet. 
.friday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.saturday...east winds 10 to 20 knots becoming northeast 15 to
25 knots by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.saturday night...east winds 10 to 20 knots becoming south 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...southwest winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...west winds 5 to 15 knots veering northeast after
midnight. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.tuesday...northeast winds 5 to 15 knots veering east. waves calm
to 2 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202605290800;;804708

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu may 28 2026

for waters beyond 5 nautical miles of shore on lake superior.

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 pressure over the great lakes will weaken through 
friday to 30.0 inches as another high pressure dives south from the 
hudson bay. this high pressure will reach the upper great lakes on 
saturday at 30.3 inches and remain over the area through sunday. the 
high will weaken on monday as another 30.3 inch approaches the area 
from the north, which will build over the great lakes on tuesday.



lsz264-290800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt thu may 28 2026

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots backing east late. waves calm
to 2 feet. 
.friday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.saturday...east winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.saturday night...east winds 5 to 15 knots veering south after
midnight. waves subsiding to calm to 2 feet. 
.sunday...southwest winds less than 10 knots. waves calm to
2 feet. 
.sunday night...west winds 5 to 15 knots veering northeast after
midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots backing northeast. waves calm
to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 

$$