178
FZUS53 KDLH 121908
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
108 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.

LSZ140-122300-
Grand Portage to Grand Marais MN-
108 PM CST Wed Nov 12 2025

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

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
30 knots decreasing to 25 knots late. Partly sunny. Waves 1 to
3 feet.
.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
3 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.

$$

LSZ141-122300-
Grand Marais to Taconite Harbor MN-
108 PM CST Wed Nov 12 2025

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

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 30 knots. Sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. 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.

$$

LSZ142-122300-
Taconite Harbor to Silver Bay Harbor MN-
108 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 30 knots. Sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 20 knots. 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.

$$

LSZ143-122300-
Silver Bay Harbor to Two Harbors MN-
108 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...West wind 10 to 15 knots with gusts to around
25 knots. Sunny. Waves 1 to 2 feet.
.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...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.

$$

LSZ144-122300-
Two Harbors to Duluth MN-
108 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 30 knots
decreasing to 25 knots late. Sunny. Waves 1 to 2 feet.
.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.

$$

LSZ145-122300-
Duluth MN to Port Wing WI-
108 PM CST Wed Nov 12 2025

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

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots late. Sunny. Waves 1 to 3 feet.
.TONIGHT...West wind 15 to 20 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.

$$

LSZ146-122300-
Port Wing to Sand Island WI-
108 PM CST Wed Nov 12 2025

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

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots late. Sunny. Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots. Clear.
Waves 2 to 4 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet
in the late morning and afternoon.
.THURSDAY NIGHT...Southwest wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ147-122300-
Sand Island to Bayfield WI-
108 PM CST Wed Nov 12 2025

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

.REST OF TODAY...West wind 15 to 20 knots with gusts to around
30 knots. Sunny. Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. Clear.
Waves 2 to 4 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet
in the late morning and afternoon.
.THURSDAY NIGHT...Southwest wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ150-122300-
Outer Apostle Islands Beyond 5 NM from Mainland-
108 PM CST Wed Nov 12 2025

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

.REST OF TODAY...West wind 15 to 20 knots with gusts to around
30 knots. Sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.TONIGHT...West wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots after midnight. Clear. Waves 3 to 5 feet.
Waves occasionally to 7 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet
late in the afternoon.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots becoming southeast
after midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ121-122300-
Chequamegon Bay-Bayfield to Oak Point WI-
108 PM CST Wed Nov 12 2025

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

.REST OF TODAY...West wind 10 to 15 knots with gusts to around
25 knots. Sunny. Waves 1 to 2 feet.
.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...Southwest wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ148-122300-
Oak Point to Saxon Harbor WI-
108 PM CST Wed Nov 12 2025

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

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots late. Sunny. Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Clear. Waves 1 to 3 feet
subsiding to 1 to 2 feet after midnight.
.THURSDAY...West wind 5 to 10 knots. Gusts up to 20 knots in the
late morning and early afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.

$$

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

WFO DLH