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FZUS53 KDLH 241625
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1125 AM CDT Sun Aug 24 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.

LSZ140-141-242215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1125 AM CDT Sun Aug 24 2025

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

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
25 knots decreasing to 20 knots late. Chance of rain showers.
Waves 1 to 3 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 2 feet.
.MONDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ142-143-242215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
1125 AM CDT Sun Aug 24 2025

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

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
25 knots decreasing to 20 knots in the afternoon. Chance of rain
showers late in the morning, then chance of sprinkles late. Waves
1 to 3 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots with gusts to around 20 knots in
the late evening and overnight. Partly cloudy. Waves 1 to 2 feet.
.MONDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ144-145-242215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1125 AM CDT Sun Aug 24 2025

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

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of rain showers late in the morning, then
chance of sprinkles in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves
1 to 2 feet.
.MONDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ146-242215-
Port Wing to Sand Island WI-
1125 AM CDT Sun Aug 24 2025

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

.REST OF TODAY...Northwest wind 15 to 20 knots easing to 5 to
15 knots late. Slight chance of rain showers late in the morning,
then chance of sprinkles late. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Chance of sprinkles in the evening. Waves
1 to 3 feet.
.MONDAY...Northwest wind 10 to 15 knots easing to 5 knots in the
afternoon. Sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 5 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ147-242215-
Sand Island to Bayfield WI-
1125 AM CDT Sun Aug 24 2025

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

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
25 knots late in the morning. Chance of rain showers late in the
morning, then slight chance of rain showers early in the
afternoon. Chance of rain showers late. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots. Chance of sprinkles in the evening. Waves 1 to 3 feet.
.MONDAY...North wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots in the late morning and
afternoon. Sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ150-242215-
Outer Apostle Islands Beyond 5 NM from Mainland-
1125 AM CDT Sun Aug 24 2025

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

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
25 knots late in the morning. Chance of rain showers late in the
morning, then slight chance of rain showers late. Waves 3 to
5 feet. Waves occasionally to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
after midnight decreasing to 20 knots. Chance of sprinkles in the
evening. Waves 2 to 4 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots late in the afternoon. Sunny.
Waves 1 to 3 feet.
.MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ121-242215-
Chequamegon Bay-Bayfield to Oak Point WI-
1125 AM CDT Sun Aug 24 2025

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

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Chance of rain showers. Waves 1 to 3 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots in the late evening and
overnight. Chance of sprinkles in the evening. Waves 1 to 2 feet.
.MONDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.MONDAY NIGHT...Northwest wind 5 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ148-242215-
Oak Point to Saxon Harbor WI-
1125 AM CDT Sun Aug 24 2025

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

.REST OF TODAY...Northwest wind 15 to 20 knots easing to 5 to
15 knots late. Chance of rain showers. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Chance of sprinkles in the evening. Waves
2 to 4 feet subsiding to 1 to 3 feet.
.MONDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in
the morning. Sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.

$$

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

PA