549
FZUS53 KDLH 130518
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1118 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-
1118 PM CST Wed Nov 12 2025

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

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
increasing to 30 knots after midnight, then decreasing to
25 knots toward daybreak. 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
after midnight. Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 10 to 15 knots. Gusts up to 25 knots.
Partly sunny. Waves 1 to 2 feet.

$$

LSZ141-131100-
Grand Marais to Taconite Harbor MN-
1118 PM CST Wed Nov 12 2025

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

.REST OF TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots
increasing to 30 knots after midnight, then decreasing to
25 knots toward daybreak. 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-
1118 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
increasing to 30 knots after midnight, then decreasing to
25 knots toward daybreak. Clear. Waves 1 foot or less.
.THURSDAY...West wind 5 to 10 knots. Gusts up to 20 knots early
in the morning. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Northwest wind 5 knots becoming northeast after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ143-131100-
Silver Bay Harbor to Two Harbors MN-
1118 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 foot or
less.
.THURSDAY...West wind 5 to 10 knots. Gusts up to 20 knots early
in the morning. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 5 knots becoming northeast after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.

$$

LSZ144-131100-
Two Harbors to Duluth MN-
1118 PM CST Wed Nov 12 2025

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

.REST OF TONIGHT...West wind 10 knots rising to 10 to 15 knots
after midnight. Gusts up to 20 knots. Clear. Waves 1 foot or
less.
.THURSDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...Southwest wind 5 knots becoming south late in
the evening, then becoming east after midnight. Mostly clear.
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-
1118 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 20 knots
late in the evening. Clear. Waves 1 to 2 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-
1118 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...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. 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. Mostly sunny. Waves
1 foot or less.

$$

LSZ147-131100-
Sand Island to Bayfield WI-
1118 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 toward daybreak. 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-
1118 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 25 knots
late in the evening. 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 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-
1118 PM CST Wed Nov 12 2025

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

.REST OF TONIGHT...West wind 10 to 15 knots easing to 10 knots
toward daybreak. Gusts up to 20 knots increasing to 25 knots
after midnight, then decreasing to 20 knots toward daybreak.
Clear. Waves 1 foot or less.
.THURSDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest wind 5 knots becoming south 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-
1118 PM CST Wed Nov 12 2025

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

.REST OF TONIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Clear. Waves 1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots early
in the morning. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest wind 5 knots becoming south 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