755
FZUS53 KDLH 280824
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
324 AM CDT Thu Aug 28 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.

LSZ140-141-281615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
324 AM CDT Thu Aug 28 2025

.TODAY...Northeast wind 5 to 10 knots becoming east in the
afternoon. Sunny. Waves 1 to 3 feet.
.TONIGHT...Southeast wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.FRIDAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...South wind 5 to 10 knots becoming west in the
late evening and overnight. Mostly clear. Waves 1 foot or less.

$$

LSZ143-281615-
Silver Bay Harbor to Two Harbors MN-
324 AM CDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until late afternoon. Partly sunny in the morning then clearing.
Waves 2 to 4 feet.
.TONIGHT...East wind 5 to 10 knots. Mostly clear. Waves 1 to
3 feet.
.FRIDAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming northwest early in the
morning. Partly cloudy. Waves 1 foot or less.

$$

LSZ142-281615-
Taconite Harbor to Silver Bay Harbor MN-
324 AM CDT Thu Aug 28 2025

.TODAY...East wind 10 to 15 knots. Mostly sunny. Waves 1 to
3 feet.
.TONIGHT...East wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.FRIDAY...East wind 5 knots becoming southeast in the late
morning and afternoon. Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming northeast late in the
evening, then becoming northwest after midnight. Mostly clear.
Waves 1 foot or less.

$$

LSZ144-145-281615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
324 AM CDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Patchy fog early in the morning. Waves 2 to 4 feet.
.TONIGHT...East wind 10 to 15 knots easing to 5 knots after
midnight. Mostly clear. Waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight.
.FRIDAY...Southeast wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots. Partly cloudy. Waves 1 foot or
less.

$$

LSZ146-281615-
Port Wing to Sand Island WI-
324 AM CDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Patchy fog early in the morning. Waves 2 to 4 feet.
.TONIGHT...East wind 5 to 10 knots becoming southeast early in
the morning. Mostly clear. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 5 knots becoming northeast in the
afternoon. Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming southwest early in the
morning. Partly cloudy. Waves 1 foot or less.

$$

LSZ147-281615-
Sand Island to Bayfield WI-
324 AM CDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming east late in the afternoon. Patchy fog early in
the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet late in
the afternoon.
.TONIGHT...East wind 5 to 10 knots becoming southeast early in
the morning. Mostly clear. Waves 1 to 2 feet.
.FRIDAY...South wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming southwest early in the
morning. Mostly clear. Waves 1 foot or less.

$$

LSZ150-281615-
Outer Apostle Islands Beyond 5 NM from Mainland-
324 AM CDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until late afternoon. Patchy dense fog early in the morning.
Waves 3 to 5 feet.
.TONIGHT...East wind 5 to 10 knots becoming southeast early in
the morning. Mostly clear. Waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight.
.FRIDAY...South wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming southwest early
in the morning. Mostly clear. Waves 1 foot or less.

$$

LSZ121-281615-
Chequamegon Bay-Bayfield to Oak Point WI-
324 AM CDT Thu Aug 28 2025

.TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until late afternoon. Patchy fog early in the morning. Waves 1 to
2 feet.
.TONIGHT...East wind 5 to 10 knots becoming south early in the
morning. Mostly clear. Waves 1 to 2 feet.
.FRIDAY...South wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming southwest after
midnight. Mostly clear. Waves 1 foot or less.

$$

LSZ148-281615-
Oak Point to Saxon Harbor WI-
324 AM CDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
until late afternoon. Patchy fog early in the morning. Waves 4 to
6 feet. Waves occasionally to 8 feet.
.TONIGHT...East wind 5 to 10 knots becoming southeast after
midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.FRIDAY...South wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.

$$

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

Britt