fzus61 kbuf 131503
glflo 
expires:202611132200;;754349

open lake forecast for lake america
national weather service buffalo ny
1003 am est fri nov 13 2026

for waters beyond five nautical miles of shore on lake america

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 29.9 inches will linger over the lake 
through saturday night as its parent coastal low of 29.3 inches 
wobbles northeastward from near nantucket to near newfoundland.
sunday through tuesday, a ridge averaging 30.5 inches will build 
from the upper midwest to the mid-atlantic states.


loz062-132200-
lake america open waters from the niagara river to hamlin beach-
1003 am est fri nov 13 2026

.this afternoon...north winds 10 to 15 knots. waves 1 to 3 feet. 
.tonight...northwest winds 10 to 15 knots. a chance of
waterspouts from late evening on. a chance of showers late in the
evening. a chance of showers late. waves 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of waterspouts. showers likely. waves 2 to
4 feet. 
.saturday night...northwest winds 15 to 20 knots becoming north.
a chance of waterspouts. a chance of showers. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.sunday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...northwest winds 10 to 15 knots becoming west. waves
1 to 2 feet. 
.tuesday...west winds 10 to 15 knots. waves 1 to 3 feet. 

$$

fzus61 kbuf 131503
glflo 
expires:202611132200;;754350

open lake forecast for lake america
national weather service buffalo ny
1003 am est fri nov 13 2026

for waters beyond five nautical miles of shore on lake america

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 29.9 inches will linger over the lake 
through saturday night as its parent coastal low of 29.3 inches 
wobbles northeastward from near nantucket to near newfoundland.
sunday through tuesday, a ridge averaging 30.5 inches will build 
from the upper midwest to the mid-atlantic states.


loz063>065-132200-
lake america open waters from hamlin beach to the saint lawrence
river-
1003 am est fri nov 13 2026

.this afternoon...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of waterspouts. a chance of rain showers.
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tonight...north winds 10 to 15 knots becoming northwest. a
chance of waterspouts from late evening on. a chance of rain
showers after midnight. waves 1 to 3 feet. 
.saturday...northwest winds 15 to 20 knots. a chance of
waterspouts. showers. waves 2 to 4 feet building to 3 to 5 feet. 
.saturday night...northwest winds 15 to 20 knots becoming north.
a chance of waterspouts. showers likely in the evening, then a
chance of showers overnight. waves 3 to 6 feet. 
.sunday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers during the day. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.monday...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.tuesday...west winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet. 

$$

fzus61 kcle 131456
glfle 
expires:202611132115;;753909

open lake forecast for lake erie
national weather service cleveland oh
956 am est fri nov 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 29.80 inches will persist over the eastern
great lakes through saturday before shifting east on sunday. high
pressure 30.40 inches will build east over the region late sunday
through much of the week.


lez162-163-132115-
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 est fri nov 13 2026

.rest of today...north winds 10 to 15 knots increasing to 15 to
20 knots. a chance of waterspouts. a chance of rain. waves 1 to
3 feet. 
.tonight...north winds 15 to 20 knots becoming northwest. a
chance of waterspouts early. a chance of rain early. waves 2 to
4 feet. 
.saturday...northwest winds 15 to 20 knots. waves 1 to 3 feet. 
.saturday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 1 to 3 feet. 
.sunday...northwest winds 5 to 15 knots. waves 2 feet or less. 
.monday...west winds 10 knots or less becoming southwest. waves
1 foot or less. 
.tuesday...southwest winds 10 knots or less. waves 1 foot or
less. 

$$

fzus61 kcle 131456
glfle 
expires:202611132115;;753910

open lake forecast for lake erie
national weather service cleveland oh
956 am est fri nov 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 29.80 inches will persist over the eastern
great lakes through saturday before shifting east on sunday. high
pressure 30.40 inches will build east over the region late sunday
through much of the week.


lez164>167-132115-
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-
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-
956 am est fri nov 13 2026

.rest of today...north winds 15 to 20 knots diminishing to 10 to
15 knots. a slight chance of rain early this afternoon. a chance
of rain late. a chance of waterspouts late. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.tonight...north winds 15 to 20 knots becoming northwest. a
chance of waterspouts. a chance of rain through the early
overnight, then rain likely late. waves 2 to 4 feet building to
3 to 5 feet. 
.saturday...northwest winds 15 to 25 knots increasing to
30 knots. a chance of rain. waves 3 to 6 feet. 
.saturday night...northwest winds to 30 knots diminishing to
15 to 25 knots. rain. waves 4 to 7 feet subsiding to 3 to 6 feet.
waves occasionally around 9 feet. 
.sunday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of rain during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tuesday...southwest winds 5 to 10 knots. waves 2 feet or less. 

$$

fzus61 kcle 131456
glfle 
expires:202611132115;;753911

open lake forecast for lake erie
national weather service cleveland oh
956 am est fri nov 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 29.80 inches will persist over the eastern
great lakes through saturday before shifting east on sunday. high
pressure 30.40 inches will build east over the region late sunday
through much of the week.


lez061-168-169-132115-
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-
956 am est fri nov 13 2026

.rest of today...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of waterspouts late this morning. a chance of
rain late this morning, then a slight chance of rain this
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...north winds 10 to 15 knots becoming northwest 15 to
20 knots. a slight chance of rain. a chance of waterspouts late.
waves 1 to 3 feet. 
.saturday...northwest winds 15 to 25 knots. a chance of rain in
the afternoon. waves 2 to 4 feet building to 3 to 6 feet. 
.saturday night...northwest winds 15 to 25 knots. a chance of
rain. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.sunday...north winds 5 to 15 knots becoming northwest. a chance
of rain during the day. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.monday...northwest winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tuesday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 

$$

fzus63 kdtx 131422
glfsc 
expires:202611132230;;753254

lake st clair forecast
national weather service detroit/pontiac mi
922 am est fri nov 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...northerly flow will hold through tomorrow which will
support breezy conditions along with lake effect precipitation
across lake huron. high pressure, 30.40 inches, to build in over
the southern great lakes sunday into monday, producing quieter
weather.


lcz460-132230-
lake st clair-
922 am est fri nov 13 2026

.rest of today...north winds 10 to 15 knots diminishing to 5 to 10
knots early in the afternoon...then increasing to 15 to 20 knots
late in the afternoon. mostly cloudy. light rain likely late in the
morning...then a chance of light rain in the afternoon. waves 2 feet
or less.
.tonight...northwest winds 15 to 20 knots. partly cloudy becoming
mostly cloudy. waves 1 to 3 feet.
.saturday...northwest winds 15 to 20 knots. partly sunny. waves 1 to
3 feet.
.saturday night...northwest winds 15 to 20 knots. partly cloudy.
waves 1 to 3 feet.
.sunday...northwest winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon and evening. partly cloudy. waves 2 feet or
less.
.monday...southwest winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.tuesday...southwest winds 5 to 10 knots. clear. waves 2 feet or
less.

$$

fzus63 kdtx 131421
glflh 
expires:202611132230;;753186

open lake forecast for lake huron
national weather service detroit/pontiac mi
921 am est fri nov 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...northerly flow will hold through saturday which will 
support breezy conditions along with lake effect precipitation 
across lake huron. high pressure, 30.40 inches, to build in over 
the southern great lakes sunday into monday, producing quieter 
weather.


lhz361-362-132230-
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-
921 am est fri nov 13 2026

.rest of today...north winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon...then increasing to 15 to
20 knots late in the afternoon. a chance of rain in the
afternoon. waves 3 to 5 feet. 
.tonight...north winds 15 to 20 knots. a chance of rain and snow
in the evening. waves 4 to 6 feet. 
.saturday...north winds 15 to 20 knots. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.saturday night...northwest winds 15 to 20 knots. waves 3 to
5 feet. 
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then backing to the west late in the
afternoon. waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots increasing to 10 to
15 knots . waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 


$$

fzus63 kdtx 131421
glflh 
expires:202611132230;;753188

open lake forecast for lake huron
national weather service detroit/pontiac mi
921 am est fri nov 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...northerly flow will hold through saturday which will 
support breezy conditions along with lake effect precipitation 
across lake huron. high pressure, 30.40 inches, to build in over 
the southern great lakes sunday into monday, producing quieter 
weather.


lhz463-464-132230-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
921 am est fri nov 13 2026

.rest of today...north winds 15 to 20 knots. rain likely late in
the morning...then a chance of rain in the afternoon. waves 4 to
6 feet. waves occasionally around 8 feet. 
.tonight...north winds 15 to 20 knots. rain likely in the
evening...then rain after midnight. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.saturday...northwest winds 20 to 25 knots. a chance of rain.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday night...northwest winds 20 to 25 knots decreasing to
15 to 20 knots in the late evening and overnight. rain in the
evening...then rain likely after midnight. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.sunday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. a chance of rain. waves 3 to 5 feet subsiding to 1 to
3 feet late in the evening. 
.monday...west winds 5 to 10 knots becoming southwest 10 to
15 knots. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 


$$

fzus63 kdtx 131421
glflh 
expires:202611132230;;753187

open lake forecast for lake huron
national weather service detroit/pontiac mi
921 am est fri nov 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...northerly flow will hold through saturday which will 
support breezy conditions along with lake effect precipitation 
across lake huron. high pressure, 30.40 inches, to build in over 
the southern great lakes sunday into monday, producing quieter 
weather.


lhz363-462-132230-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
921 am est fri nov 13 2026

.rest of today...north winds 15 to 20 knots. a chance of rain.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.tonight...north winds 15 to 20 knots. rain likely in the
evening...then a chance of rain after midnight. waves 6 to
9 feet. waves occasionally around 12 feet. 
.saturday...northwest winds 20 to 25 knots. a chance of rain.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday night...northwest winds 20 to 25 knots decreasing to
15 to 20 knots in the late evening and overnight. a chance of
rain. waves 6 to 9 feet. waves occasionally around 12 feet. 
.sunday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet late in the afternoon. 
.monday...west winds 5 to 10 knots becoming southwest 10 to
15 knots . waves 1 to 3 feet building to 2 to 4 feet by midnight.
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots by midnight. waves 2 to 4 feet. 


$$

fzus63 kmkx 131456
glflm 
expires:202611132215;;753914

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
856 am cst fri nov 13 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...

no major changes to the going forecast this morning.

northerly winds will remain steadily breezy (though below gale 
thresholds) through today and into saturday with high pressure of
30.4 inches positioned well to the northwest. winds will taper 
sunday into monday as 30.5 inch high pressure builds directly over
the open waters.

persistent northerly winds will allow for continued lake effect 
precipitation today. low level temperatures will be supportive 
for mainly rain, though some snow could mix in over the northern 
half of the lake. a few thunderstorms are possible, particularly 
over the southern half of the waters. can't rule out a waterspout 
in any deeper thunderstorms that manage to develop.


lmz080-669-671-673-675-777-779-870-872-874-876-878-132215-
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-
856 am cst fri nov 13 2026

sheboygan wi to pentwater mi south...

.rest of today...north winds to 30 kt. chance of waterspouts.
chance of rain showers. waves 8 to 11 ft occasionally to 14 ft
building to 8 to 12 ft occasionally to 16 ft. 
.tonight...north winds to 30 kt diminishing to 15 to 25 kt.
slight chance of waterspouts in the evening. chance of rain
showers. waves 10 to 14 ft occasionally to 18 ft subsiding to
8 to 11 ft occasionally to 14 ft. 
.saturday...north winds to 30 kt becoming northwest 15 to 25 kt.
chance of rain showers in the morning. waves 7 to 10 ft
occasionally to 13 ft. 
.saturday night...north winds 10 to 20 kt becoming northwest
10 to 15 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to
3 to 5 ft. 
.sunday...northwest winds 10 to 15 kt diminishing to 5 to 10 kt.
waves 2 to 4 ft. 
.sunday night...northwest winds 5 to 10 kt becoming west. waves
1 to 2 ft. 
.monday...southwest winds 10 to 15 kt. waves 1 to 2 ft building
to 1 to 3 ft. 
.tuesday...southwest winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 131456
glflm 
expires:202611132215;;753913

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
856 am cst fri nov 13 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...

no major changes to the going forecast this morning.

northerly winds will remain steadily breezy (though below gale 
thresholds) through today and into saturday with high pressure of
30.4 inches positioned well to the northwest. winds will taper 
sunday into monday as 30.5 inch high pressure builds directly over
the open waters.

persistent northerly winds will allow for continued lake effect 
precipitation today. low level temperatures will be supportive 
for mainly rain, though some snow could mix in over the northern 
half of the lake. a few thunderstorms are possible, particularly 
over the southern half of the waters. can't rule out a waterspout 
in any deeper thunderstorms that manage to develop.


lmz261-362-364-366-563-565-567-868-132215-
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-
856 am cst fri nov 13 2026

sheboygan wi to pentwater mi north...

.rest of today...north winds 15 to 25 kt increasing to 30 kt.
slight chance of waterspouts. chance of rain showers. waves 7 to
10 ft occasionally to 13 ft. 
.tonight...north winds to 30 kt diminishing to 15 to 25 kt.
slight chance of waterspouts in the evening. chance of rain
showers. waves 6 to 9 ft occasionally to 12 ft. 
.saturday...north winds 15 to 25 kt. waves 5 to 8 ft occasionally
to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.saturday night...north winds 10 to 20 kt becoming northwest
10 to 15 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.sunday...northwest winds 10 to 15 kt. waves 1 to 2 ft. 
.sunday night...west winds 5 to 10 kt. waves 1 to 2 ft. 
.monday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 3 to 5 ft. 
.tuesday...southwest winds to 30 kt. waves 3 to 5 ft.  

$$

fzus63 kmqt 131501
glfls 
expires:202611132100;;754148

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri nov 13 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...

30.3 inch high pressure over western ontario slowly shifts southeast 
over the western half of lake superior today and expands towards the 
southern u.s. by saturday. this high continues to shift southeast, 
expand, and build through the weekend, centered over the ohio river 
valley at 30.5 inches by monday afternoon. on wednesday a 29.6 inch 
low pressure will move from the rockies to the dakotas, with lake 
superior between this low and the high pressure centered over the 
mid-atlantic states at 30.4 inches.




lsz162-132100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est fri nov 13 2026 /900 am cst fri nov 13 2026/

.rest of today...north winds 10 to 20 knots diminishing to 5 to
15 knots. a slight chance of snow showers late in the morning.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...north winds 5 to 15 knots backing northwest late.
waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.saturday night...west winds less than 10 knots increasing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.tuesday...southwest winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 131501
glfls 
expires:202611132100;;754149

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri nov 13 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...

30.3 inch high pressure over western ontario slowly shifts southeast 
over the western half of lake superior today and expands towards the 
southern u.s. by saturday. this high continues to shift southeast, 
expand, and build through the weekend, centered over the ohio river 
valley at 30.5 inches by monday afternoon. on wednesday a 29.6 inch 
low pressure will move from the rockies to the dakotas, with lake 
superior between this low and the high pressure centered over the 
mid-atlantic states at 30.4 inches.




lsz263-132100-
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-
1000 am est fri nov 13 2026

.rest of today...north winds 10 to 20 knots. a chance of snow
showers, possibly mixed with rain. waves 3 to 5 feet occasionally
to 7 feet subsiding to 2 to 4 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. waves subsiding to calm to 2 feet. 
.saturday...north winds 5 to 15 knots becoming northwest less
than 10 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...northwest winds less than 10 knots backing west
after midnight. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.monday...southwest gales to 35 knots. waves building to 5 to
8 feet occasionally to 10 feet. 
.tuesday...southwest gales to 35 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 131501
glfls 
expires:202611132100;;754150

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri nov 13 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...

30.3 inch high pressure over western ontario slowly shifts southeast 
over the western half of lake superior today and expands towards the 
southern u.s. by saturday. this high continues to shift southeast, 
expand, and build through the weekend, centered over the ohio river 
valley at 30.5 inches by monday afternoon. on wednesday a 29.6 inch 
low pressure will move from the rockies to the dakotas, with lake 
superior between this low and the high pressure centered over the 
mid-atlantic states at 30.4 inches.




lsz264-132100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am est fri nov 13 2026

.rest of today...north winds 10 to 20 knots. a chance of snow and
rain showers late in the morning. waves 3 to 6 feet occasionally
to 8 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots late. waves subsiding to 2 to 4 feet. 
.saturday...north winds 5 to 15 knots backing northwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.saturday night...north winds 5 to 15 knots becoming northwest
less than 10 knots after midnight. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots backing southwest in the
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.monday...southwest winds 20 to 30 knots. waves building to 5 to
8 feet occasionally to 10 feet. 
.tuesday...southwest winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 131501
glfls 
expires:202611132100;;754151

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri nov 13 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...

30.3 inch high pressure over western ontario slowly shifts southeast 
over the western half of lake superior today and expands towards the 
southern u.s. by saturday. this high continues to shift southeast, 
expand, and build through the weekend, centered over the ohio river 
valley at 30.5 inches by monday afternoon. on wednesday a 29.6 inch 
low pressure will move from the rockies to the dakotas, with lake 
superior between this low and the high pressure centered over the 
mid-atlantic states at 30.4 inches.




lsz265-132100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am est fri nov 13 2026

.rest of today...north winds 20 to 30 knots. a chance of rain and
snow showers. waves 4 to 7 feet occasionally to 9 feet. 
.tonight...north winds 20 to 30 knots diminishing to 15 to
25 knots by midnight. a slight chance of rain showers in the
evening. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday...north winds 15 to 25 knots backing northwest by late
morning, then diminishing to 10 to 20 knots by mid afternoon.
waves subsiding to 1 to 3 feet. 
.saturday night...northwest winds 10 to 20 knots. waves subsiding
to calm to 2 feet. 
.sunday...west winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.monday...southwest winds 10 to 20 knots increasing to 20 to
30 knots. waves building to 1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots. waves subsiding to
calm to 2 feet. 

$$

fzus63 kmqt 131501
glfls 
expires:202611132100;;754152

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri nov 13 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...

30.3 inch high pressure over western ontario slowly shifts southeast 
over the western half of lake superior today and expands towards the 
southern u.s. by saturday. this high continues to shift southeast, 
expand, and build through the weekend, centered over the ohio river 
valley at 30.5 inches by monday afternoon. on wednesday a 29.6 inch 
low pressure will move from the rockies to the dakotas, with lake 
superior between this low and the high pressure centered over the 
mid-atlantic states at 30.4 inches.




lsz266-132100-
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-
1000 am est fri nov 13 2026

.rest of today...north winds 20 to 30 knots. a slight chance of
snow showers late in the morning. a slight chance of rain
showers. waves 4 to 7 feet occasionally to 9 feet. 
.tonight...north winds 20 to 30 knots diminishing to 15 to
25 knots late. a slight chance of rain showers in the evening.
waves building to 5 to 8 feet occasionally to 10 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...north winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to 2 to 4 feet. 
.saturday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 1 to 3 feet. 
.monday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 
.tuesday...southwest winds 15 to 25 knots. waves subsiding to
2 to 4 feet. 

$$

fzus63 kmqt 131501
glfls 
expires:202611132100;;754153

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri nov 13 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...

30.3 inch high pressure over western ontario slowly shifts southeast 
over the western half of lake superior today and expands towards the 
southern u.s. by saturday. this high continues to shift southeast, 
expand, and build through the weekend, centered over the ohio river 
valley at 30.5 inches by monday afternoon. on wednesday a 29.6 inch 
low pressure will move from the rockies to the dakotas, with lake 
superior between this low and the high pressure centered over the 
mid-atlantic states at 30.4 inches.




lsz267-132100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am est fri nov 13 2026

.rest of today...north winds 20 to 30 knots. a slight chance of
snow showers late in the morning. a chance of rain showers. waves
3 to 6 feet occasionally to 8 feet. 
.tonight...north winds 20 to 30 knots. a slight chance of rain
showers in the evening. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.saturday...north winds 15 to 25 knots. waves subsiding to 1 to
3 feet. 
.saturday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.sunday night...west winds 5 to 15 knots becoming southwest 10 to
20 knots after midnight. waves calm to 2 feet. 
.monday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 
.tuesday...southwest winds 10 to 20 knots increasing to 20 to
30 knots. waves building to 3 to 5 feet occasionally to 7 feet. 

$$