Nearshore Marine Forecast
Issued by NWS Duluth, MN

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
832
FZUS53 KDLH 092224
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
423 PM CST Sun Nov 9 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.

LSZ140-100500-
Grand Portage to Grand Marais MN-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight. Chance of snow showers
early in the evening, then chance of flurries late in the
evening. Waves 1 to 3 feet.
.MONDAY...North wind 15 to 20 knots with gusts to around 25 knots
becoming northwest 5 to 10 knots in the afternoon. Mostly sunny.
Waves 1 to 3 feet.
.MONDAY NIGHT...West wind 5 to 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots after midnight. Slight
chance of snow showers after midnight. Waves 1 to 2 feet building
to 2 to 4 feet early in the morning. A small craft advisory may
be needed.
.TUESDAY...Southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots with gusts to around
20 knots in the afternoon. Slight chance of rain showers and snow
showers in the morning. Waves 4 to 6 feet. Waves occasionally to
8 feet. A small craft advisory may be needed.

$$

LSZ141-100500-
Grand Marais to Taconite Harbor MN-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight, then decreasing to
25 knots late in the night. Chance of snow showers early in the
evening, then chance of flurries late in the evening. Waves 1 to
2 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
25 knots easing to 5 to 10 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots after midnight. Slight
chance of snow showers after midnight. Waves 1 to 2 feet building
to 2 to 4 feet early in the morning.
.TUESDAY...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming west with gusts to around 20 knots in the
afternoon. Mostly cloudy. Waves 3 to 5 feet subsiding to 1 to
3 feet late in the afternoon. A small craft advisory may be
needed.

$$

LSZ142-100500-
Taconite Harbor to Silver Bay Harbor MN-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots after midnight, then decreasing to
25 knots late in the night. Chance of snow showers early in the
evening, then chance of flurries in the late evening and early
morning. Waves 1 to 3 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots late in the afternoon. Mostly
sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots. Slight chance of snow showers after midnight.
Waves 1 to 3 feet building to 2 to 4 feet early in the morning.
.TUESDAY...West wind 5 to 10 knots. Gusts up to 20 knots. Partly
sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon.

$$

LSZ143-100500-
Silver Bay Harbor to Two Harbors MN-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the evening, then increasing to
30 knots after midnight decreasing to 20 knots late in the night.
Chance of snow showers early in the evening, then chance of
flurries in the late evening and early morning. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the late evening and overnight.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots. Slight chance of snow showers through the night.
Waves 1 to 3 feet building to 2 to 4 feet early in the morning.
.TUESDAY...West wind 10 to 15 knots with gusts to around 25 knots
becoming west 10 to 15 knots with gusts to around 20 knots late
in the afternoon. Partly sunny. Waves 2 to 4 feet subsiding to
1 to 2 feet in the afternoon.

$$

LSZ144-100500-
Two Harbors to Duluth MN-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the evening, then increasing to
25 knots after midnight. Slight chance of snow showers early in
the evening, then chance of flurries late in the evening. Waves
1 to 3 feet subsiding to 1 to 2 feet in the late evening and
overnight.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 15 to 20 knots with gusts to
around 25 knots. Slight chance of snow showers after midnight.
Waves 1 to 3 feet.
.TUESDAY...Southwest wind 10 to 15 knots becoming west in the
afternoon. Gusts up to 20 knots. Partly sunny. Waves 1 to 3 feet.

$$

LSZ145-100500-
Duluth MN to Port Wing WI-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 20 to 25 knots becoming northwest 15 to
20 knots with gusts to around 25 knots after midnight. Slight
chance of snow showers early in the evening, then chance of
flurries in the late evening and early morning. Waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight. Waves occasionally to
7 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Mostly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to
25 knots. Slight chance of snow showers after midnight. Waves
1 to 3 feet.
.TUESDAY...Southwest wind 10 to 15 knots becoming west in the
afternoon. Gusts up to 20 knots. Partly sunny. Waves 1 to 3 feet.

$$

LSZ146-100500-
Port Wing to Sand Island WI-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 20 to 25 knots with gusts to around
30 knots easing to 15 to 20 knots after midnight. Chance of snow
showers in the evening, then chance of flurries after midnight.
Waves 4 to 6 feet subsiding to 1 to 3 feet late in the night.
Waves occasionally to 7 feet.
.MONDAY...Northwest wind 15 to 20 knots becoming west 5 to
10 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet
subsiding to 1 to 2 feet in the late morning and afternoon.
.MONDAY NIGHT...West wind 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Slight chance of snow showers after midnight. Waves
1 to 3 feet.
.TUESDAY...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming west 5 to 15 knots with gusts to around
25 knots late in the afternoon. Partly sunny. Waves 2 to 4 feet.

$$

LSZ147-100500-
Sand Island to Bayfield WI-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 20 to 25 knots easing to 15 to 20 knots
after midnight. Chance of snow showers early in the evening, then
slight chance of snow showers late in the evening. Chance of snow
showers after midnight. Waves 3 to 5 feet. Waves occasionally to
7 feet.
.MONDAY...North wind 15 to 20 knots becoming northwest 5 to
10 knots in the afternoon. Mostly sunny. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.MONDAY NIGHT...West wind 10 to 15 knots becoming southwest 15 to
20 knots with gusts to around 25 knots after midnight. Slight
chance of snow showers after midnight. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming west with gusts to around 25 knots late in the
afternoon. Partly sunny. Waves 1 to 3 feet.

$$

LSZ150-100500-
Outer Apostle Islands Beyond 5 NM from Mainland-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 20 to 25 knots. Gusts up to 25 knots late
in the night. Chance of snow showers early in the evening, then
slight chance of snow showers late in the evening. Chance of snow
showers after midnight. Waves 3 to 5 feet. Waves occasionally to
7 feet.
.MONDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 10 knots late in the afternoon. Mostly
cloudy in the morning then becoming mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon. A small craft
advisory may be needed.
.MONDAY NIGHT...West wind 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Slight chance of snow showers after midnight. Waves
1 to 2 feet building to 1 to 3 feet early in the morning.
.TUESDAY...Southwest wind 15 to 20 knots becoming west 10 to
15 knots in the afternoon. Gusts up to 25 knots. Partly sunny.
Waves 2 to 4 feet. A small craft advisory may be needed.

$$

LSZ121-100500-
Chequamegon Bay-Bayfield to Oak Point WI-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 20 to 25 knots with gusts to around
30 knots becoming northwest 15 to 20 knots after midnight. Chance
of snow showers in the evening, then slight chance of snow
showers after midnight. Chance of snow showers late in the night.
Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening
and overnight.
.MONDAY...North wind 15 to 20 knots becoming northwest 5 to
10 knots in the afternoon. Partly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
25 knots after midnight. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots becoming west in the
afternoon. Gusts up to 20 knots. Partly sunny. Waves 1 to 2 feet.

$$

LSZ148-100500-
Oak Point to Saxon Harbor WI-
423 PM CST Sun Nov 9 2025

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

.TONIGHT...North wind 20 to 25 knots easing to 5 to 15 knots with
gusts to around 20 knots after midnight, then rising to 15 to
20 knots late in the night. Chance of snow showers. Waves 3 to
5 feet. Waves occasionally to 7 feet.
.MONDAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 10 knots late in the afternoon. Chance of
snow showers in the morning. Waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. A small craft advisory may be needed.
.MONDAY NIGHT...West wind 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the late evening and
overnight. Slight chance of snow showers after midnight. Waves
1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots becoming west in the
afternoon. Gusts up to 20 knots. Partly sunny. Waves 1 to 2 feet.

$$

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

WFO DLH