Marine Weather, NWS WFO Duluth, MN

Nearshore Forecast

244
FZUS53 KDLH 101733
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1132 AM CST Tue Nov 10 2026

For waters within five 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.

LSZ140-102300-
Grand Portage to Grand Marais MN-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 5 to 10 knots. Sunny late in the
morning then becoming mostly cloudy. Waves 1 foot or less.
.TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY...North wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Slight chance of
rain. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...North wind 15 to 20 knots with gusts to around
25 knots. Mostly cloudy. Waves 1 to 3 feet.

$$

LSZ141-102300-
Grand Marais to Taconite Harbor MN-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 5 to 10 knots. Sunny late in the
morning then becoming mostly cloudy. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming northwest early in the
morning. Mostly cloudy. Waves 1 foot or less.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Slight chance of rain in the afternoon. Waves
1 foot or less.
.WEDNESDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots. Mostly cloudy. Waves 1 to 2 feet.

$$

LSZ142-102300-
Taconite Harbor to Silver Bay Harbor MN-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 5 to 10 knots. Sunny late in the
morning then becoming mostly cloudy. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming northwest early in the
morning. Mostly cloudy. Waves 1 foot or less.
.WEDNESDAY...North wind 5 to 10 knots. Gusts up to 20 knots late
in the afternoon. Mostly sunny in the morning then becoming
mostly cloudy. Waves 1 foot or less.
.WEDNESDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots. Slight chance of snow in the evening. Waves 1 to
2 feet.

$$

LSZ143-102300-
Silver Bay Harbor to Two Harbors MN-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 5 to 10 knots. Sunny late in the
morning then becoming mostly cloudy. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming northwest early in the
morning. Chance of rain in the evening, then slight chance of
rain after midnight. Waves 1 foot or less.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Partly sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots. Slight chance of rain and snow in the evening. Waves
1 to 2 feet.

$$

LSZ144-102300-
Two Harbors to Duluth MN-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 5 to 10 knots. Sunny late in the
morning then becoming partly sunny. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming northwest after midnight.
Chance of rain through the night. Waves 1 foot or less.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Mostly sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots. Slight chance of rain and snow in the evening. Waves
1 to 2 feet.

$$

LSZ145-102300-
Duluth MN to Port Wing WI-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...Southwest wind 5 to 10 knots. Sunny late in the
morning then becoming partly sunny. Waves 1 foot or less.
.TONIGHT...West wind 5 knots becoming northwest early in the
morning. Chance of rain through the night. Waves 1 foot or less.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Slight chance of rain. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...North wind 15 to 20 knots. Slight chance of
rain and snow in the evening. Waves 1 to 3 feet building to 2 to
4 feet in the late evening and overnight.

$$

LSZ146-102300-
Port Wing to Sand Island WI-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 10 to 15 knots. Sunny late in the
morning then becoming partly sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 5 knots becoming northwest early in the
morning. Chance of rain through the night. Waves 1 foot or less.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Slight chance of rain through the day. Waves
1 to 2 feet.
.WEDNESDAY NIGHT...North wind 5 to 15 knots with gusts to around
20 knots becoming northeast 15 to 20 knots with gusts to around
25 knots in the late evening and early morning, then becoming
north 5 to 15 knots with gusts to around 20 knots early in the
morning. Chance of rain and snow in the evening. Waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.

$$

LSZ147-102300-
Sand Island to Bayfield WI-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots
late in the morning. Sunny late in the morning then becoming
partly sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 5 knots becoming northwest early in the
morning. Chance of rain after midnight. Waves 1 foot or less.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Slight chance of rain in the morning, then
chance of rain in the afternoon. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots late in the evening, then
decreasing to 20 knots after midnight. Chance of rain in the
evening, then slight chance of rain and snow after midnight.
Waves 1 to 3 feet building to 2 to 4 feet in the late evening and
overnight.

$$

LSZ150-102300-
Outer Apostle Islands Beyond 5 NM from Mainland-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots
late in the morning. Sunny late in the morning then becoming
partly sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots becoming northwest early in
the morning. Slight chance of rain after midnight. Waves 1 foot
or less.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Slight chance of rain in the morning, then chance
of rain in the afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to
25 knots decreasing to 20 knots early in the morning. Chance of
rain in the evening, then slight chance of snow after midnight.
Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft
advisory may be needed.

$$

LSZ121-102300-
Chequamegon Bay-Bayfield to Oak Point WI-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 5 knots. Mostly sunny. Waves 1 foot or
less.
.TONIGHT...West wind 5 knots becoming northwest early in the
morning. Slight chance of rain in the evening, then chance of
rain after midnight. Waves 1 foot or less.
.WEDNESDAY...North wind 5 to 10 knots. Chance of rain. Waves
1 foot or less.
.WEDNESDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots. Rain likely and slight chance of snow in the evening,
then chance of snow and slight chance of rain after midnight.
Waves 1 foot or less.

$$

LSZ148-102300-
Oak Point to Saxon Harbor WI-
1132 AM CST Tue Nov 10 2026

.REST OF TODAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...West wind 5 knots. Chance of rain after midnight.
Waves 1 foot or less.
.WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Chance of rain. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots. Chance of rain through the night. Chance of snow
after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet.
A small craft advisory may be needed.

$$

Graphical marine forecasts are available online at:
weather.gov/greatlakes

WFO DLH

Open Waters Forecast

899
FZUS63 KMQT 101518
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
Issued by National Weather Service Gaylord MI
1018 AM EST Tue Nov 10 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 29.7 inch low over eastern Ontario will track east today as
another low at 29.9 inches approaches the Northern Plains from
Alberta. This low will deepen to 29.7 inches as it moves south of
the area, to southern Lake Michigan by Wednesday afternoon and then
on to the Eastern Great Lakes Wednesday night. Thereafter Lake
Superior will be between a 30.2 inch high over the Northern Plains
and a 29.5 inch low over the Northeast. The high shifts east, over
Lake Superior and builds to 30.4 inches on Sunday.

LSZ162-102330-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1018 AM EST Tue Nov 10 2026 /918 AM CST Tue Nov 10 2026/

.REST OF TODAY...West winds 10 to 20 knots. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots veering northwest late. A
chance of showers. Waves calm to 2 feet.
.WEDNESDAY...North winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. A slight chance of rain showers. Waves
building to 2 to 4 feet.
.WEDNESDAY NIGHT...North winds 15 to 25 knots. A slight chance of
rain and snow showers in the evening. Waves building to 3 to
6 feet occasionally to 8 feet.
.THURSDAY...North winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. Waves subsiding to 1 to 3 feet.
.THURSDAY NIGHT...North winds 10 to 20 knots. Waves building to
2 to 4 feet.
.FRIDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots. Waves subsiding to calm to 2 feet.
.SATURDAY...North winds 5 to 15 knots veering south. Waves calm
to 2 feet.

$$

LSZ263-102330-
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-
1018 AM EST Tue Nov 10 2026

.REST OF TODAY...West winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.TONIGHT...West winds 5 to 15 knots veering northwest late. A
slight chance of rain showers after midnight. Waves subsiding to
calm to 2 feet.
.WEDNESDAY...North winds 5 to 15 knots increasing to 15 to
25 knots. A chance of rain showers. Waves building to 3 to 5 feet
occasionally to 7 feet.
.WEDNESDAY NIGHT...North winds 15 to 25 knots. A chance of rain
and snow showers. Waves building to 3 to 6 feet occasionally to
8 feet.
.THURSDAY...North winds 15 to 25 knots. A chance of snow showers.
Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of snow showers. Waves building
to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots. Waves subsiding to calm to 2 feet.
.SATURDAY...North winds 5 to 15 knots becoming northeast less
than 10 knots. Waves calm to 2 feet.

$$

LSZ264-102330-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1018 AM EST Tue Nov 10 2026

.REST OF TODAY...Northwest winds 10 to 20 knots becoming west
5 to 15 knots by mid afternoon. Waves 3 to 5 feet occasionally to
7 feet subsiding to 1 to 3 feet.
.TONIGHT...West winds 5 to 15 knots veering northwest by
midnight. A slight chance of rain showers after midnight. Waves
subsiding to calm to 2 feet.
.WEDNESDAY...North winds 5 to 15 knots increasing to 10 to
20 knots. A chance of rain showers. Waves building to 2 to
4 feet.
.WEDNESDAY NIGHT...North winds 15 to 25 knots. A chance of rain
showers in the evening. A chance of snow showers. Waves building
to 3 to 6 feet occasionally to 8 feet.
.THURSDAY...North winds 15 to 25 knots. A chance of snow showers.
Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of snow showers. Waves building
to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...North winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.SATURDAY...North winds 5 to 15 knots diminishing to less than
10 knots. Waves calm to 2 feet.

$$

LSZ265-102330-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1018 AM EST Tue Nov 10 2026

.REST OF TODAY...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots by mid afternoon. Waves 3 to 5 feet occasionally
to 7 feet subsiding to 1 to 3 feet.
.TONIGHT...West winds 10 to 20 knots diminishing to 5 to 15 knots
by midnight, then becoming northwest 10 to 20 knots late. A
slight chance of showers after midnight. Waves subsiding to calm
to 2 feet.
.WEDNESDAY...Northwest winds 10 to 20 knots becoming north 15 to
25 knots by late morning, then increasing to 20 to 30 knots by
mid afternoon. A chance of rain showers. Waves building to 3 to
5 feet occasionally to 7 feet.
.WEDNESDAY NIGHT...North gales to 35 knots. Rain showers,
possibly mixed with snow in the evening, then a chance of snow
showers, possibly mixed with rain after midnight. Waves building
to 4 to 7 feet occasionally to 9 feet.
.THURSDAY...North gales to 35 knots. A chance of snow showers in
the morning, then snow showers likely, possibly mixed with rain
showers in the afternoon. Waves 4 to 7 feet occasionally to
9 feet.
.THURSDAY NIGHT...North gales to 35 knots. Snow showers likely in
the evening, then a chance of snow showers after midnight. Waves
4 to 7 feet occasionally to 9 feet.
.FRIDAY...North winds 20 to 30 knots diminishing to 15 to
25 knots. A chance of snow showers, possibly mixed with rain.
Waves subsiding to 2 to 4 feet.
.SATURDAY...North winds 10 to 20 knots. Waves subsiding to calm
to 2 feet.

$$

LSZ266-102330-
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-
1018 AM EST Tue Nov 10 2026

.REST OF TODAY...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots by mid afternoon. Waves 5 to 8 feet occasionally
to 10 feet subsiding to 3 to 5 feet occasionally to 7 feet.
.TONIGHT...West winds 10 to 20 knots diminishing to 5 to 15 knots
by midnight, then veering northwest late. Waves subsiding to calm
to 2 feet.
.WEDNESDAY...Northwest winds 10 to 20 knots veering northeast by
late morning, then becoming north 15 to 25 knots by mid
afternoon. A chance of rain showers. Waves building to 3 to
5 feet occasionally to 7 feet.
.WEDNESDAY NIGHT...Northeast winds 20 to 30 knots backing north
after midnight. A chance of rain and snow showers. Waves building
to 4 to 7 feet occasionally to 9 feet.
.THURSDAY...North winds 20 to 30 knots. A chance of snow showers.
A slight chance of rain showers in the afternoon. Waves building
to 5 to 8 feet occasionally to 10 feet.
.THURSDAY NIGHT...North winds 20 to 30 knots. A chance of snow
showers. Waves subsiding to 4 to 7 feet occasionally to 9 feet.
.FRIDAY...North winds 20 to 30 knots diminishing to 15 to
25 knots. A chance of snow showers, possibly mixed with rain.
Waves subsiding to 2 to 4 feet.
.SATURDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots. Waves subsiding to calm to 2 feet.

$$

LSZ267-102330-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1018 AM EST Tue Nov 10 2026

.REST OF TODAY...Northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots.
Waves 6 to 9 feet occasionally to 11 feet subsiding to 3 to
6 feet occasionally to 8 feet.
.TONIGHT...Northwest winds 10 to 20 knots backing west by
midnight, then diminishing to 5 to 15 knots late. Waves subsiding
to calm to 2 feet.
.WEDNESDAY...Northwest winds 10 to 20 knots veering northeast. A
chance of rain showers. Waves building to 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 25 knots backing north
after midnight. A chance of rain and snow showers. Waves building
to 3 to 6 feet occasionally to 8 feet.
.THURSDAY...North winds 20 to 30 knots. A chance of snow showers.
A slight chance of rain showers in the afternoon. Waves 3 to
6 feet occasionally to 8 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots. A chance of snow
showers, possibly mixed with rain. Waves 3 to 6 feet occasionally
to 8 feet.
.FRIDAY...North winds 15 to 25 knots. A chance of snow showers.
Waves subsiding to 2 to 4 feet.
.SATURDAY...North winds 10 to 20 knots. Waves subsiding to calm
to 2 feet.

$$

LSZ261-102330-
MAFOR 1016/
Superior West 11620 12610 12600 12700 11810. Waves 1 to 3 feet
this afternoon. Waves 2 feet or less tonight and Wednesday
morning.

Superior North Central 11730 11620 11610 11600 12700 11710 11810.
A chance of showers Wednesday morning. Waves 2 to 4 feet this
afternoon. Waves 1 to 3 feet tonight and Wednesday morning.

Superior South Central 11740 11730 11720 11610 12600 11710 11720.
A chance of showers Wednesday morning. Waves 3 to 6 feet
subsiding to 2 to 4 feet this afternoon. Waves 1 to 3 feet
subsiding to 1 foot or less tonight. Waves 1 foot or less
Wednesday morning.

Superior East 11740 11730 12720 11610 11600 11700 11800. A chance
of showers Wednesday morning. Waves 5 to 9 feet subsiding to 4 to
7 feet this afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet
tonight. Waves 1 to 2 feet Wednesday morning.

$$

WFO MQT sent by WFO APX

Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes

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