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FZUS53 KDLH 252358
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
658 PM CDT Thu Sep 25 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.

LSZ141-261015-
Grand Marais to Taconite Harbor MN-
658 PM CDT Thu Sep 25 2025

.REST OF TONIGHT...North wind 5 to 10 knots with gusts to around
20 knots becoming north 5 to 10 knots after midnight. Chance of
sprinkles early in the evening. Waves 1 to 2 feet.
.FRIDAY...North wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming south early in the
morning. Mostly clear. Waves 1 foot or less.
.SATURDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.

$$

LSZ140-261015-
Grand Portage to Grand Marais MN-
658 PM CDT Thu Sep 25 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts to
around 25 knots becoming north with gusts to around 20 knots in
the late evening and overnight. Chance of sprinkles early in the
evening. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Southeast wind 10 to 15 knots with gusts to
around 20 knots becoming south with gusts to around 20 knots
early in the morning. Mostly clear. Waves 1 to 3 feet.
.SATURDAY...West wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots in the afternoon. Sunny. Waves
1 to 3 feet.

$$

LSZ142-143-261015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
658 PM CDT Thu Sep 25 2025

.REST OF TONIGHT...Northwest wind 5 to 10 knots with gusts to
around 20 knots becoming north with gusts to around 20 knots in
the late evening and overnight. Chance of sprinkles early in the
evening. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming east 10 to
15 knots in the afternoon. Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...East wind 10 to 15 knots becoming northeast
5 knots in the late evening and early morning, then becoming
southwest early in the morning. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...West wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ144-261015-
Two Harbors to Duluth MN-
658 PM CDT Thu Sep 25 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots becoming north 5 to 10 knots in the late evening
and overnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...Northeast wind 10 to 15 knots. Sunny. Waves 1 to
3 feet.
.FRIDAY NIGHT...East wind 10 to 15 knots easing to 5 knots after
midnight, then becoming south early in the morning. Mostly clear.
Waves 1 to 3 feet.
.SATURDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.

$$

LSZ145-261015-
Duluth MN to Port Wing WI-
658 PM CDT Thu Sep 25 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots becoming northeast 5 to 10 knots toward daybreak.
Mostly clear. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
late in the afternoon. Sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...East wind 10 to 15 knots becoming southeast
5 knots after midnight, then becoming south early in the morning.
Mostly clear. Waves 1 to 3 feet.
.SATURDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.

$$

LSZ146-261015-
Port Wing to Sand Island WI-
658 PM CDT Thu Sep 25 2025

.REST OF TONIGHT...Northwest wind 10 knots with gusts to around
20 knots becoming northeast toward daybreak. Chance of sprinkles
early in the evening. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 10 to 15 knots. Sunny. Waves 1 to
2 feet.
.FRIDAY NIGHT...East wind 10 to 15 knots easing to 5 knots late
in the evening, then becoming south after midnight becoming
southwest early in the morning. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.

$$

LSZ147-261015-
Sand Island to Bayfield WI-
658 PM CDT Thu Sep 25 2025

.REST OF TONIGHT...Northwest wind 10 to 15 knots becoming
northeast 5 to 10 knots toward daybreak. Chance of sprinkles
early in the evening. Waves 1 to 2 feet.
.FRIDAY...East wind 5 to 10 knots. Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.
.SATURDAY...West wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ121-261015-
Chequamegon Bay-Bayfield to Oak Point WI-
658 PM CDT Thu Sep 25 2025

.REST OF TONIGHT...West wind 5 to 10 knots becoming northeast
10 to 15 knots with gusts to around 20 knots toward daybreak.
Chance of sprinkles early in the evening. Waves 1 to 3 feet
building to 2 to 4 feet toward daybreak.
.FRIDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Sunny. Waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon.
.FRIDAY NIGHT...East wind 10 to 15 knots becoming southeast
5 knots late in the evening, then becoming south after midnight.
Mostly clear. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 5 to 10 knots becoming west in the
late morning and afternoon. Sunny. Waves 1 foot or less.

$$

LSZ148-261015-
Oak Point to Saxon Harbor WI-
658 PM CDT Thu Sep 25 2025

.REST OF TONIGHT...West wind 10 knots becoming north with gusts
to around 20 knots in the late evening and early morning, then
becoming northeast with gusts to around 20 knots toward daybreak.
Chance of sprinkles early in the evening. Waves 1 to 3 feet
building to 2 to 4 feet toward daybreak.
.FRIDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Sunny. Waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon.
.FRIDAY NIGHT...East wind 10 to 15 knots becoming southeast
5 knots late in the evening, then becoming south after midnight.
Mostly clear. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 5 to 10 knots becoming west in the
late morning and afternoon. Sunny. Waves 1 foot or less.

$$

LSZ150-261015-
Outer Apostle Islands Beyond 5 NM from Mainland-
658 PM CDT Thu Sep 25 2025

.REST OF TONIGHT...West wind 10 to 15 knots becoming northeast
toward daybreak. Gusts up to 20 knots. Chance of sprinkles early
in the evening. Waves 1 to 3 feet building to 2 to 4 feet toward
daybreak.
.FRIDAY...East wind 10 to 15 knots. Gusts up to 20 knots early in
the morning. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in
the afternoon.
.FRIDAY NIGHT...East wind 10 to 15 knots becoming south 5 to
10 knots after midnight. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.

$$

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

NLy