Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 170733
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
133 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.

LSZ140-171700-
Grand Portage to Grand Marais MN-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 foot or less.
.TONIGHT...North wind 5 to 10 knots. Mostly 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...Southwest wind 5 to 10 knots. Partly cloudy.
Waves 1 foot or less.

$$

LSZ141-171700-
Grand Marais to Taconite Harbor MN-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 to 10 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 south late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Variable winds 10 knots or less becoming
southwest 5 knots after midnight. Partly cloudy. Waves 1 foot or
less.

$$

LSZ142-171700-
Taconite Harbor to Silver Bay Harbor MN-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 knots becoming west in the afternoon.
Sunny. Waves 1 foot or less.
.TONIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or
less.
.TUESDAY...Northeast wind 5 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Variable winds 10 knots or less becoming
southwest 5 knots. Partly cloudy. Waves 1 foot or less.

$$

LSZ143-171700-
Silver Bay Harbor to Two Harbors MN-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 knots becoming southwest early in the
afternoon, then becoming west late in the afternoon. Sunny. Waves
1 foot or less.
.TONIGHT...Northeast 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.

$$

LSZ144-171700-
Two Harbors to Duluth MN-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 knots becoming south in the afternoon.
Sunny. Waves 1 foot or less.
.TONIGHT...Northeast 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...East wind 5 knots becoming southwest after
midnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ145-171700-
Duluth MN to Port Wing WI-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 knots becoming southeast late in the
afternoon. 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...East wind 5 knots becoming southwest early in
the morning. Partly cloudy. Waves 1 foot or less.

$$

LSZ146-171700-
Port Wing to Sand Island WI-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 knots becoming southwest late in the
afternoon. 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...Variable winds 10 knots or less becoming south
5 knots in the late evening and early morning, then becoming
southwest early in the morning. Partly cloudy. Waves 1 foot or
less.

$$

LSZ147-171700-
Sand Island to Bayfield WI-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.TONIGHT...Northeast wind 5 knots becoming east after midnight.
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.

$$

LSZ150-171700-
Outer Apostle Islands Beyond 5 NM from Mainland-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet.
.TONIGHT...North wind 5 knots becoming northeast in the late
evening and overnight. 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 early
in the morning. Partly cloudy. Waves 1 foot or less.

$$

LSZ121-171700-
Chequamegon Bay-Bayfield to Oak Point WI-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 knots becoming northeast in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming southeast 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 in the
late evening and overnight. Partly cloudy. Waves 1 foot or less.

$$

LSZ148-171700-
Oak Point to Saxon Harbor WI-
133 AM CST Mon Nov 17 2025

.TODAY...Northwest wind 5 to 10 knots becoming north late in the
afternoon. 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 becoming northeast in the afternoon.
Sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...East wind 5 knots becoming south 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