Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 032143
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
343 PM CST Mon Nov 3 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.

LSZ140-040500-
Grand Portage to Grand Marais MN-
343 PM CST Mon Nov 3 2025

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

.TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Partly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet late in the night.
.TUESDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots late in the afternoon. Partly
sunny in the morning then becoming cloudy. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southeast wind 5 to 10 knots becoming north
10 to 15 knots with gusts to around 25 knots in the late evening
and overnight. Chance of rain. Waves 1 to 2 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. Mostly
sunny. Waves 1 to 3 feet.

$$

LSZ141-040500-
Grand Marais to Taconite Harbor MN-
343 PM CST Mon Nov 3 2025

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

.TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots
easing to 5 to 10 knots with gusts to around 20 knots late in the
night. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet
in the late evening and overnight.
.TUESDAY...Southwest wind 5 to 10 knots becoming southeast late
in the afternoon. Partly sunny in the morning then becoming
cloudy. Waves 1 foot or less.
.TUESDAY NIGHT...Northeast wind 5 knots becoming north 10 to
15 knots with gusts to around 20 knots early in the morning.
Chance of rain. Waves 1 foot or less.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and early afternoon,
then decreasing to 25 knots late in the afternoon. Sunny. Waves
1 to 3 feet.

$$

LSZ142-040500-
Taconite Harbor to Silver Bay Harbor MN-
343 PM CST Mon Nov 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots. Mostly
clear until early morning then becoming mostly cloudy. Waves 1 to
2 feet.
.TUESDAY...Southwest wind 5 knots becoming east late in the
afternoon. Mostly cloudy. Waves 1 foot or less.
.TUESDAY NIGHT...Northeast wind 5 knots becoming north with gusts
to around 20 knots early in the morning. Chance of rain. Waves
1 foot or less.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots in the late morning and early afternoon,
then decreasing to 25 knots late in the afternoon. Sunny. Waves
1 to 2 feet.

$$

LSZ143-040500-
Silver Bay Harbor to Two Harbors MN-
343 PM CST Mon Nov 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots. Mostly
clear in the evening then becoming mostly cloudy. Waves 1 to
2 feet.
.TUESDAY...Southwest wind 5 knots becoming south early in the
afternoon, then becoming northeast late in the afternoon. Cloudy.
Waves 1 foot or less.
.TUESDAY NIGHT...Northeast wind 5 to 10 knots becoming north
10 to 15 knots with gusts to around 20 knots early in the
morning. Chance of rain. Waves 1 foot or less.
.WEDNESDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots. Sunny. Waves 1 to 2 feet.

$$

LSZ144-040500-
Two Harbors to Duluth MN-
343 PM CST Mon Nov 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in the
evening. Mostly clear in the evening then becoming mostly cloudy.
Waves 1 to 3 feet.
.TUESDAY...Southwest wind 5 knots becoming southeast early in the
afternoon, then becoming northeast late in the afternoon. Cloudy.
Waves 1 foot or less.
.TUESDAY NIGHT...Northeast wind 5 to 10 knots becoming north
15 to 20 knots early in the morning. Chance of rain in the
evening, then slight chance of rain after midnight. Waves 1 to
2 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
in the afternoon. Sunny. Waves 1 to 3 feet.

$$

LSZ145-040500-
Duluth MN to Port Wing WI-
343 PM CST Mon Nov 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots
becoming southwest 5 to 10 knots late in the night. Mostly clear
in the evening then becoming mostly cloudy. Waves 2 to 4 feet
subsiding to 1 to 2 feet after midnight.
.TUESDAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Cloudy. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming northeast after
midnight, then becoming north 15 to 20 knots early in the
morning. Chance of rain in the evening, then slight chance of
rain after midnight. Waves 1 to 2 feet.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots
in the afternoon. Sunny. Waves 1 to 3 feet.

$$

LSZ146-040500-
Port Wing to Sand Island WI-
343 PM CST Mon Nov 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots
becoming southwest 5 to 10 knots late in the night. Mostly clear
in the evening then becoming mostly cloudy. Waves 2 to 4 feet
subsiding to 1 to 2 feet after midnight.
.TUESDAY...Southwest wind 5 to 10 knots becoming east late in the
afternoon. Cloudy. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming northeast in the
late evening and early morning, then becoming north 10 to
15 knots with gusts to around 20 knots early in the morning.
Chance of rain. Waves 1 to 2 feet.
.WEDNESDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Sunny.
Waves 1 to 3 feet.

$$

LSZ147-040500-
Sand Island to Bayfield WI-
343 PM CST Mon Nov 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots
easing to 5 to 10 knots late in the night. Mostly clear in the
evening then becoming mostly cloudy. Waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight.
.TUESDAY...Southwest wind 5 to 10 knots becoming southeast late
in the afternoon. Mostly cloudy. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming east late in the
evening, then becoming northeast after midnight becoming north
10 to 15 knots with gusts to around 20 knots early in the
morning. Chance of rain. Waves 1 foot or less.
.WEDNESDAY...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Sunny.
Waves 1 to 3 feet.

$$

LSZ150-040500-
Outer Apostle Islands Beyond 5 NM from Mainland-
343 PM CST Mon Nov 3 2025

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

.TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Partly cloudy until early morning then
becoming mostly cloudy. Waves 4 to 6 feet subsiding to 1 to
3 feet. Waves occasionally to 7 feet.
.TUESDAY...Southwest wind 5 to 10 knots becoming southeast late
in the afternoon. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southeast wind 5 knots becoming northeast after
midnight, then becoming north 15 to 20 knots with gusts to around
25 knots early in the morning. Chance of rain. Waves 1 foot or
less.
.WEDNESDAY...Northwest wind 15 to 20 knots becoming west in the
afternoon. Gusts up to 25 knots. Sunny. Waves 1 to 3 feet
building to 2 to 4 feet in the late morning and afternoon. A
small craft advisory may be needed.

$$

LSZ121-040500-
Chequamegon Bay-Bayfield to Oak Point WI-
343 PM CST Mon Nov 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots. Mostly
clear in the evening then becoming mostly cloudy. Waves 1 foot or
less.
.TUESDAY...Southwest wind 5 to 10 knots becoming south in the
afternoon. Cloudy. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming east late in the
evening, then becoming northeast after midnight becoming north
10 to 15 knots with gusts to around 20 knots early in the
morning. Chance of rain. Waves 1 foot or less.
.WEDNESDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the afternoon. Sunny. Waves 1 to
2 feet.

$$

LSZ148-040500-
Oak Point to Saxon Harbor WI-
343 PM CST Mon Nov 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

.TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots
becoming southwest 5 to 10 knots late in the night. Mostly clear
in the evening then becoming mostly cloudy. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the late evening and overnight.
.TUESDAY...Southwest wind 5 to 10 knots becoming southeast late
in the afternoon. Mostly cloudy. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 knots becoming northeast after
midnight, then becoming north 15 to 20 knots early in the
morning. Chance of rain. Waves 1 to 2 feet.
.WEDNESDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots becoming west 15 to 20 knots with gusts to around
25 knots in the afternoon. Sunny. Waves 1 to 3 feet.

$$

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

WFO DLH