Nearshore Marine Forecast
Issued by NWS Duluth, MN

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904
FZUS53 KDLH 070308
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1008 PM CDT Tue May 6 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.

LSZ140-141-071015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1008 PM CDT Tue May 6 2025

.REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to
30 knots decreasing to 20 knots. Partly cloudy then becoming
mostly cloudy after midnight then becoming partly cloudy. Waves
1 to 3 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming east with gusts to around 20 knots in the
afternoon. Sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 5 knots becoming north in the
late evening and early morning, then becoming northeast early in
the morning. Mostly clear. Waves 1 to 2 feet.
.THURSDAY...East wind 5 to 10 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.

$$

LSZ142-143-071015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
1008 PM CDT Tue May 6 2025

.REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of sprinkles late in the evening.
Waves 1 to 2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly clear. Waves 1 to 2 feet.
.THURSDAY...Northeast wind 10 to 15 knots. Sunny. Waves 1 foot or
less.

$$

LSZ144-145-071015-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1008 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT WEDNESDAY
THROUGH WEDNESDAY AFTERNOON...

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots after midnight. Slight chance of
sprinkles late in the evening. Waves 1 to 3 feet.
.WEDNESDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Sunny. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots in the evening. Mostly clear. Waves 1 to 3 feet.
.THURSDAY...Northeast wind 10 to 15 knots. Sunny. Waves 1 to
2 feet.

$$

LSZ146-071015-
Port Wing to Sand Island WI-
1008 PM CDT Tue May 6 2025

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

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots after midnight. Partly cloudy.
Waves 1 to 3 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly clear. Waves 1 to 2 feet.
.THURSDAY...Northeast wind 10 to 15 knots. Sunny. Waves 1 foot or
less.

$$

LSZ147-071015-
Sand Island to Bayfield WI-
1008 PM CDT Tue May 6 2025

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

.REST OF TONIGHT...East wind 10 knots becoming northeast after
midnight. Gusts up to 25 knots. Partly cloudy. Waves 1 to 2 feet
building to 1 to 3 feet after midnight.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 1 to 2 feet.
.THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

LSZ121-071015-
Chequamegon Bay-Bayfield to Oak Point WI-
1008 PM CDT Tue May 6 2025

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

.REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to
around 25 knots. Partly cloudy. Waves 1 to 2 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Clear. Waves
1 to 2 feet.
.THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

LSZ148-071015-
Oak Point to Saxon Harbor WI-
1008 PM CDT Tue May 6 2025

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

.REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to
around 25 knots. Partly cloudy. Waves 1 to 3 feet building to
2 to 4 feet toward daybreak.
.WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. Sunny. Waves
2 to 4 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots early in the morning. Clear.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

LSZ150-071015-
Outer Apostle Islands Beyond 5 NM from Mainland-
1008 PM CDT Tue May 6 2025

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

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to
30 knots decreasing to 25 knots toward daybreak. Partly cloudy
then becoming mostly cloudy after midnight then becoming partly
cloudy. Waves 1 to 3 feet building to 2 to 4 feet after midnight.
.WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots late in the afternoon. Sunny. Waves 2 to
4 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Clear. Waves 1 to 3 feet.
.THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

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

Huyck