Nearshore Marine Forecast
Issued by NWS Duluth, MN

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358
FZUS53 KDLH 071458
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
958 AM CDT Tue Oct 7 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.

LSZ140-141-072215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
958 AM CDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
25 knots decreasing to 20 knots late. Sunny. Waves 1 to 3 feet
subsiding to 1 to 2 feet late.
.TONIGHT...North wind 10 to 15 knots. Gusts up to 20 knots early
in the evening. Mostly clear. Waves 1 foot or less.
.WEDNESDAY...North wind 5 knots becoming southwest in the
afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...South wind 10 to 15 knots. Gusts up to
20 knots after midnight. Mostly clear. Waves 1 to 3 feet.

$$

LSZ142-143-072215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
958 AM CDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY...

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
25 knots decreasing to 20 knots in the afternoon. Sunny. Waves
1 to 2 feet.
.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot
or less.
.WEDNESDAY...Variable winds 10 knots or less becoming southwest
5 knots in the late morning and early afternoon, then becoming
south late in the afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast wind 5 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.

$$

LSZ144-145-072215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
958 AM CDT Tue Oct 7 2025

.REST OF TODAY...Northwest wind 10 to 15 knots. Gusts up to
20 knots in the late morning and early afternoon. Sunny. Waves
1 to 2 feet.
.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot
or less.
.WEDNESDAY...Variable winds 10 knots or less becoming southwest
5 knots in the late morning and early afternoon, then becoming
southeast late in the afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...East wind 5 knots becoming south in the late
evening and overnight. Mostly clear. Waves 1 foot or less.

$$

LSZ146-072215-
Port Wing to Sand Island WI-
958 AM CDT Tue Oct 7 2025

.REST OF TODAY...West wind 5 to 10 knots becoming northwest late.
Gusts up to 20 knots. Sunny. Waves 1 to 3 feet.
.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot
or less.
.WEDNESDAY...Southwest wind 5 knots becoming east late in the
afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast wind 5 knots becoming south in the
late evening and overnight. Mostly clear. Waves 1 foot or less.

$$

LSZ147-072215-
Sand Island to Bayfield WI-
958 AM CDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.REST OF TODAY...Northwest wind 10 to 15 knots easing to 5 to
10 knots late. Gusts up to 20 knots. Sunny. Waves 2 to 4 feet
subsiding to 1 to 2 feet late.
.TONIGHT...North wind 5 to 10 knots. Clear. Waves 1 foot or less.
.WEDNESDAY...Variable winds 10 knots or less becoming southwest
5 knots early in the afternoon, then becoming southeast late in
the afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast wind 5 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.

$$

LSZ150-072215-
Outer Apostle Islands Beyond 5 NM from Mainland-
958 AM CDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.REST OF TODAY...Northwest wind 15 to 20 knots. Gusts up to
25 knots decreasing to 20 knots in the afternoon. Sunny. Waves
3 to 5 feet.
.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.WEDNESDAY...Northwest wind 5 knots becoming southeast late in
the afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast wind 5 to 10 knots becoming south
10 to 15 knots with gusts to around 20 knots after midnight.
Mostly clear. Waves 1 to 2 feet.

$$

LSZ121-072215-
Chequamegon Bay-Bayfield to Oak Point WI-
958 AM CDT Tue Oct 7 2025

.REST OF TODAY...West wind 5 to 10 knots with gusts to around
20 knots becoming northwest with gusts to around 20 knots in the
afternoon. Sunny. Waves 1 foot or less.
.TONIGHT...Northwest wind 5 to 10 knots. Clear. Waves 1 foot or
less.
.WEDNESDAY...Variable winds 10 knots or less becoming southwest
5 knots in the late morning and early afternoon, then becoming
southeast late in the afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast wind 5 knots becoming south in the
late evening and overnight. Clear. Waves 1 foot or less.

$$

LSZ148-072215-
Oak Point to Saxon Harbor WI-
958 AM CDT Tue Oct 7 2025

.REST OF TODAY...West wind 10 to 15 knots becoming northwest in
the afternoon. Gusts up to 20 knots. Sunny. Waves 1 to 2 feet.
.TONIGHT...North wind 5 to 10 knots becoming northwest early in
the morning. Clear. Waves 1 foot or less.
.WEDNESDAY...Southwest wind 5 knots becoming east late in the
afternoon. Sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast wind 5 knots becoming south in the
late evening and overnight. Mostly clear. Waves 1 foot or less.

$$

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

Rothstein