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FZUS53 KDLH 171503
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
903 AM CST Mon Nov 17 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.

LSZ140-172300-
Grand Portage to Grand Marais MN-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northwest wind 10 to 15 knots. Sunny. Waves
1 foot or less.
.TONIGHT...North wind 5 to 10 knots. Clear. Waves 1 foot or less.
.TUESDAY...Northeast wind 5 to 10 knots becoming southeast early
in the afternoon, then becoming southwest late in the afternoon.
Mostly sunny. Waves 1 foot or less.
.TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.

$$

LSZ141-172300-
Grand Marais to Taconite Harbor MN-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northwest wind 5 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or
less.
.TUESDAY...Northeast wind 5 knots becoming southwest late in the
afternoon. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...West wind 5 knots. Partly cloudy. Waves 1 foot
or less.

$$

LSZ142-172300-
Taconite Harbor to Silver Bay Harbor MN-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northwest wind 5 knots becoming southwest in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...North wind 5 to 10 knots. Clear. Waves 1 foot or less.
.TUESDAY...Northeast wind 5 to 10 knots becoming southeast late
in the afternoon. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...West wind 5 knots. Partly cloudy. Waves 1 foot
or less.

$$

LSZ143-172300-
Silver Bay Harbor to Two Harbors MN-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northwest wind 5 knots becoming south early in
the afternoon, then becoming southwest late. Sunny. Waves 1 foot
or less.
.TONIGHT...Northeast wind 5 to 10 knots. Clear. Waves 1 foot or
less.
.TUESDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TUESDAY NIGHT...East wind 5 knots becoming west in the late
evening and overnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ144-172300-
Two Harbors to Duluth MN-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northeast wind 5 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.TUESDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TUESDAY NIGHT...East wind 5 knots becoming south late in the
evening, then becoming southwest after midnight. Partly cloudy.
Waves 1 foot or less.

$$

LSZ145-172300-
Duluth MN to Port Wing WI-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northeast wind 5 knots becoming east late.
Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots. Mostly clear. Waves 1 foot or
less.
.TUESDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming southwest in the
late evening and overnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ146-172300-
Port Wing to Sand Island WI-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...North wind 5 knots becoming southwest late.
Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less.
.TUESDAY...East wind 5 knots. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming southwest in the
late evening and overnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ147-172300-
Sand Island to Bayfield WI-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...North wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less.
.TUESDAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming southwest in the
late evening and overnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ150-172300-
Outer Apostle Islands Beyond 5 NM from Mainland-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to
2 feet.
.TONIGHT...Northeast wind 5 knots becoming east after midnight.
Mostly clear. Waves 1 foot or less.
.TUESDAY...East wind 5 knots. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming southwest early
in the morning. Partly cloudy. Waves 1 foot or less.

$$

LSZ121-172300-
Chequamegon Bay-Bayfield to Oak Point WI-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northwest wind 5 knots becoming northeast in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming southeast in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.TUESDAY...Southeast wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming southwest in the
late evening and overnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ148-172300-
Oak Point to Saxon Harbor WI-
903 AM CST Mon Nov 17 2025

.REST OF TODAY...Northwest wind 5 to 10 knots becoming north
late. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming southeast after midnight.
Mostly clear. Waves 1 foot or less.
.TUESDAY...Southeast wind 5 knots becoming northeast in the
afternoon. Sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southeast wind 5 knots becoming southwest in the
late evening and overnight. Partly cloudy. Waves 1 foot or less.

$$

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

WFO DLH