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fzus61 kbuf 130856
glflo 
expires:202611131615;;740528

open lake forecast for lake america
national weather service buffalo ny
356 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 lingers over the lake 
through saturday night as the parent coastal low of 29.3 inches 
wobbles northeastward from near nantucket to near newfoundland. on 
sunday through this tuesday, a ridge averaging 30.4 inches should 
affect the lake as the embedded high pressure center moves from the 
upper mississippi river valley toward central pennsylvania.


loz063>065-131615-
lake america open waters from hamlin beach to the saint lawrence
river-
356 am est fri nov 13 2026

.today...north winds 15 to 25 knots diminishing to 10 to
15 knots. a chance of rain showers. waves 4 to 7 feet subsiding
to 2 to 4 feet. waves occasionally around 9 feet. 
.tonight...north winds 10 to 15 knots becoming northwest. a
chance of rain showers after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...northwest winds 15 to 20 knots. showers. waves 2 to
4 feet. 
.saturday night...northwest winds 15 to 20 knots becoming north.
showers likely in the evening, then a chance of showers
overnight. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...northwest winds 10 to 15 knots becoming west. waves
2 feet or less. 
.tuesday...west winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet, then subsiding to 1 to 3 feet. 

$$
fzus61 kbuf 130856
glflo 
expires:202611131615;;740527

open lake forecast for lake america
national weather service buffalo ny
356 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 lingers over the lake 
through saturday night as the parent coastal low of 29.3 inches 
wobbles northeastward from near nantucket to near newfoundland. on 
sunday through this tuesday, a ridge averaging 30.4 inches should 
affect the lake as the embedded high pressure center moves from the 
upper mississippi river valley toward central pennsylvania.


loz062-131615-
lake america open waters from the niagara river to hamlin beach-
356 am est fri nov 13 2026

.today...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers early. waves 3 to 5 feet subsiding
to 2 to 4 feet. 
.tonight...northwest winds 10 to 15 knots. a chance of showers
late in the evening. a chance of showers late. waves 2 to 3 feet.
.saturday...northwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely. waves 2 to 3 feet. 
.saturday night...northwest winds 15 to 20 knots becoming north.
a chance of showers. waves 2 to 4 feet. 
.sunday...northwest winds 10 to 15 knots. waves 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 kcle 130949
glfle 
expires:202611131515;;743018

open lake forecast for lake erie
national weather service cleveland oh
449 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.


lez061-168-169-131515-
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-
449 am est fri nov 13 2026

.today...north winds 15 to 20 knots diminishing to 10 to
15 knots. a slight chance of rain early, then a chance of rain
late this morning. a slight chance of rain this afternoon. a
chance of waterspouts late this morning. 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. 

$$
fzus61 kcle 130949
glfle 
expires:202611131515;;743017

open lake forecast for lake erie
national weather service cleveland oh
449 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>167-131515-
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-
449 am est fri nov 13 2026

.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 130949
glfle 
expires:202611131515;;743016

open lake forecast for lake erie
national weather service cleveland oh
449 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.


lez162-163-131515-
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-
449 am est fri nov 13 2026

.today...north winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of waterspouts. a slight chance of rain early, then a
chance of rain from late morning on. 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. 

$$
fzus63 kdtx 130854
glfsc 
expires:202611131700;;740421

lake st clair forecast
national weather service detroit/pontiac mi
354 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.


lcz460-131700-
lake st clair-
354 am est fri nov 13 2026

...small craft advisory in effect until 4 am est early this
morning...

.today...north winds 10 to 15 knots diminishing to 5 to 10 knots
late in the morning...then increasing to 10 to 15 knots early in the
afternoon becoming northwest 15 to 20 knots late in the afternoon.
mostly cloudy. light rain likely in the morning...then a chance of
light rain in the afternoon. waves 2 feet or less.
.tonight...northwest winds 20 to 25 knots diminishing to 15 to 20
knots in the late evening and overnight. 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 130854
glflh 
expires:202611131700;;740417

open lake forecast for lake huron
national weather service detroit/pontiac mi
354 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 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.


lhz361-362-131700-
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-
354 am est fri nov 13 2026

.today...north winds 15 to 20 knots. 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 130854
glflh 
expires:202611131700;;740418

open lake forecast for lake huron
national weather service detroit/pontiac mi
354 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 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.


lhz363-462-131700-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
354 am est fri nov 13 2026

.today...north winds 15 to 20 knots. a chance of rain. waves 5 to
7 feet. waves occasionally around 10 feet. 
.tonight...northwest winds 20 to 25 knots becoming north 15 to
20 knots by midnight...then increasing to 20 to 25 knots early in
the morning. rain likely in the evening...then a chance of rain
after midnight. waves 6 to 9 feet. waves occasionally around
12 feet. 
.saturday...north 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 kdtx 130854
glflh 
expires:202611131700;;740419

open lake forecast for lake huron
national weather service detroit/pontiac mi
354 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 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.


lhz463-464-131700-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
354 am est fri nov 13 2026

.today...north winds 15 to 20 knots. rain in the morning...then a
chance of rain in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.tonight...north winds 20 to 25 knots decreasing to 15 to
20 knots in the late evening and overnight. 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 kmkx 130938
glflm 
expires:202611131630;;742724

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
338 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...

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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-131630-
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-
338 am cst fri nov 13 2026

sheboygan wi to pentwater mi south...

.today...north winds to 30 kt. chance of waterspouts. rain this
morning, then chance of rain this afternoon. waves 10 to 14 ft
occasionally to 18 ft. 
.tonight...north winds to 30 kt diminishing to 15 to 25 kt.
slight chance of waterspouts in the evening. chance of rain.
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 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 130938
glflm 
expires:202611131630;;742723

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
338 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...

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.


lmz261-362-364-366-563-565-567-868-131630-
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-
338 am cst fri nov 13 2026

sheboygan wi to pentwater mi north...

.today...north winds to 30 kt. slight chance of waterspouts. rain
likely this morning, then chance of rain this afternoon. 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.
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 130900
glfls 
expires:202611132100;;740765

open lake forecast for lake superior
national weather service marquette mi
400 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...

a 30.3 inch high pressure over western ontario slowly shifts 
southeast and expands towards the southern u.s. today. 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-
400 am est fri nov 13 2026

.early this morning...north winds 20 to 30 knots. a chance of
snow showers, possibly mixed with rain. waves 3 to 6 feet
occasionally to 8 feet. 
.today...north winds 20 to 30 knots. a chance of rain and snow
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. 

$$
fzus63 kmqt 130900
glfls 
expires:202611132100;;740762

open lake forecast for lake superior
national weather service marquette mi
400 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...

a 30.3 inch high pressure over western ontario slowly shifts 
southeast and expands towards the southern u.s. today. 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-
400 am est fri nov 13 2026

.early this morning...north winds 15 to 25 knots. a chance of
snow showers. waves 3 to 6 feet occasionally to 8 feet. 
.today...north winds 10 to 20 knots. a slight chance of snow
showers in the morning. waves subsiding to 3 to 5 feet
occasionally to 7 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 130900
glfls 
expires:202611132100;;740761

open lake forecast for lake superior
national weather service marquette mi
400 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...

a 30.3 inch high pressure over western ontario slowly shifts 
southeast and expands towards the southern u.s. today. 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-
400 am est fri nov 13 2026

.early this morning...north winds 10 to 20 knots. a chance of
snow showers. waves 3 to 6 feet occasionally to 8 feet. 
.today...north winds 10 to 20 knots. a chance of snow showers. a
slight chance of rain showers in the afternoon. waves 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 130900
glfls 
expires:202611132100;;740763

open lake forecast for lake superior
national weather service marquette mi
400 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...

a 30.3 inch high pressure over western ontario slowly shifts 
southeast and expands towards the southern u.s. today. 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-
400 am est fri nov 13 2026

.early this morning...north winds 20 to 30 knots. snow showers
likely, possibly mixed with rain showers. waves 5 to 8 feet
occasionally to 10 feet. 
.today...north winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots. a chance of rain
and snow showers. waves subsiding to 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 130900
glfls 
expires:202611132100;;740760

open lake forecast for lake superior
national weather service marquette mi
400 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...

a 30.3 inch high pressure over western ontario slowly shifts 
southeast and expands towards the southern u.s. today. 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-
400 am est fri nov 13 2026 /300 am cst fri nov 13 2026/

.early this morning...north winds 10 to 20 knots. waves 2 to
4 feet. 
.today...north winds 10 to 20 knots diminishing to 5 to 15 knots.
a slight chance of snow showers. waves 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 130900
glfls 
expires:202611132100;;740764

open lake forecast for lake superior
national weather service marquette mi
400 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...

a 30.3 inch high pressure over western ontario slowly shifts 
southeast and expands towards the southern u.s. today. 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-
400 am est fri nov 13 2026

.early this morning...north winds to 30 knots with a few gale
force gusts to 35 knots possible. a chance of snow showers,
possibly mixed with rain. waves 5 to 8 feet occasionally to
10 feet. 
.today...north winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots. a chance of rain
and snow showers. waves subsiding to 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. 

$$
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