Nearshore Marine Forecast
Issued by NWS Duluth, MN

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162
FZUS53 KDLH 130313
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
913 PM CST Wed Nov 12 2025

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.

LSZ140-131100-
Grand Portage to Grand Marais MN-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.REST OF TONIGHT...West wind 10 to 15 knots with gusts to around
25 knots. Mostly clear. Waves 1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Sunny. Waves 1 to
2 feet.
.THURSDAY NIGHT...Northwest wind 5 to 10 knots becoming east
early in the morning. Partly cloudy in the evening then becoming
mostly cloudy. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots late in the afternoon. Partly sunny. Waves
1 to 2 feet.

$$

LSZ141-131100-
Grand Marais to Taconite Harbor MN-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.REST OF TONIGHT...West wind 10 to 15 knots with gusts to around
25 knots. Clear. Waves 1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northwest wind 5 knots becoming east after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 to 10 knots. Mostly sunny. Waves 1 to
2 feet.

$$

LSZ142-131100-
Taconite Harbor to Silver Bay Harbor MN-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST THURSDAY...

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots toward daybreak. Clear. Waves 1 to 2 feet.
.THURSDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 5 knots early in the evening becoming
variable 10 knots or less, then becoming east 5 knots early in
the morning. Partly cloudy. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 knots. Mostly sunny. Waves 1 foot or
less.

$$

LSZ143-131100-
Silver Bay Harbor to Two Harbors MN-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST THURSDAY...

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Clear. Waves 1 foot or
less.
.THURSDAY...West wind 5 to 10 knots. Gusts up to 20 knots in the
late morning and early afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 5 knots early in the evening becoming
variable 10 knots or less, then becoming east 5 knots after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less.

$$

LSZ144-131100-
Two Harbors to Duluth MN-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST THURSDAY...

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Clear. Waves 1 to 2 feet.
.THURSDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest wind 5 knots becoming east after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

LSZ145-131100-
Duluth MN to Port Wing WI-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Clear. Waves 1 to 3 feet.
.THURSDAY...Southwest wind 10 to 15 knots. Sunny. Waves 1 to
2 feet.
.THURSDAY NIGHT...South wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

LSZ146-131100-
Port Wing to Sand Island WI-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
in the late evening and early morning. Clear. Waves 1 to 3 feet
subsiding to 1 to 2 feet after midnight.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 knots. Mostly sunny. Waves 1 foot or
less.

$$

LSZ147-131100-
Sand Island to Bayfield WI-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Clear. Waves 1 to 3 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

LSZ150-131100-
Outer Apostle Islands Beyond 5 NM from Mainland-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.REST OF TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet toward daybreak.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots becoming southeast
after midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ121-131100-
Chequamegon Bay-Bayfield to Oak Point WI-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...West wind 5 to 10 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Clear. Waves 1 foot or
less.
.THURSDAY...West wind 5 to 10 knots. Gusts up to 20 knots in the
late morning and early afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or less.

$$

LSZ148-131100-
Oak Point to Saxon Harbor WI-
913 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Clear. Waves 1 to 2 feet.
.THURSDAY...West wind 5 to 10 knots. Gusts up to 20 knots in the
late morning and early afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...South wind 5 to 10 knots. Gusts up to 20 knots late in
the afternoon. Sunny. Waves 1 foot or less.

$$

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

WFO DLH