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
348
FZUS53 KDLH 090612
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1212 AM 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.

LSZ140-091700-
Grand Portage to Grand Marais MN-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. Slight
chance of snow early in the morning, then chance of flurries in
the late morning and afternoon. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
increasing to 30 knots early in the morning. Chance of flurries
after midnight. 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 30 knots after midnight. Mostly
cloudy. Waves 1 to 3 feet.

$$

LSZ141-091700-
Grand Marais to Taconite Harbor MN-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 10 to 15 knots with gusts to around
25 knots. Chance of snow early in the morning, then chance of
flurries in the late morning and afternoon. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
25 knots. Chance of flurries after midnight. Waves 1 to 2 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots in the afternoon. Mostly sunny. Waves
1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 25 knots after midnight. Mostly
cloudy. Waves 1 to 2 feet.

$$

LSZ142-091700-
Taconite Harbor to Silver Bay Harbor MN-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow early in the morning, then slight chance
of snow late in the morning. Chance of flurries in the afternoon.
Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots early in the morning. Chance of flurries
after midnight. Waves 1 to 2 feet.
.MONDAY...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming west late in the afternoon. Mostly sunny. Waves
1 foot or less.
.MONDAY NIGHT...Southwest wind 5 to 10 knots with gusts to around
20 knots. Slight chance of snow showers after midnight. Waves
1 to 2 feet.

$$

LSZ143-091700-
Silver Bay Harbor to Two Harbors MN-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots. Chance of snow early in the morning, then slight chance
of snow late in the morning. Chance of flurries in the afternoon.
Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Partly cloudy. Waves 1 to
2 feet.
.MONDAY...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming west late in the afternoon. Mostly sunny. Waves
1 foot or less.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
25 knots. Slight chance of snow showers after midnight. Waves
1 to 2 feet.

$$

LSZ144-091700-
Two Harbors to Duluth MN-
1212 AM CST Sun Nov 9 2025

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

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

$$

LSZ145-091700-
Duluth MN to Port Wing WI-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 15 to 20 knots becoming north in the
afternoon. Gusts up to 25 knots. Slight chance of snow early in
the morning, then chance of flurries in the late morning and
afternoon. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Chance of flurries after
midnight. Waves 1 to 3 feet.
.MONDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots after midnight. Slight chance of snow showers after
midnight. Waves 1 to 2 feet.

$$

LSZ146-091700-
Port Wing to Sand Island WI-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming north with gusts to around 30 knots in the
afternoon. Chance of snow in the morning, then slight chance of
snow early in the afternoon. Chance of flurries late in the
afternoon. Waves 3 to 5 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots in
the evening. Chance of flurries. Waves 2 to 4 feet subsiding to
1 to 3 feet after midnight.
.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 2 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of snow showers after midnight.
Waves 1 to 2 feet.

$$

LSZ147-091700-
Sand Island to Bayfield WI-
1212 AM CST Sun Nov 9 2025

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

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

$$

LSZ150-091700-
Outer Apostle Islands Beyond 5 NM from Mainland-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
30 knots becoming north 10 to 20 knots with gusts to around
30 knots late in the afternoon. Chance of snow. Waves 3 to
5 feet. Waves occasionally to 7 feet.
.TONIGHT...North wind 15 to 20 knots with gusts to around
25 knots. Chance of flurries. Waves 3 to 5 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots in the afternoon. Chance of
flurries in the morning. Waves 2 to 4 feet subsiding to 1 to
2 feet in the afternoon.
.MONDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of snow showers after midnight.
Waves 1 to 2 feet.

$$

LSZ121-091700-
Chequamegon Bay-Bayfield to Oak Point WI-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 10 to 15 knots becoming north 15 to
20 knots in the afternoon. Gusts up to 25 knots. Chance of snow.
Waves 1 to 2 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Slight chance of snow.
Waves 1 foot or less.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots late in the afternoon.
Partly sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots after midnight. Slight chance of snow showers after
midnight. Waves 1 foot or less.

$$

LSZ148-091700-
Oak Point to Saxon Harbor WI-
1212 AM CST Sun Nov 9 2025

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

.TODAY...Northwest wind 15 to 20 knots with gusts to around
25 knots becoming north with gusts to around 30 knots in the
afternoon. Snow likely in the morning, then chance of snow in the
afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet.
.TONIGHT...North wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 15 knots with gusts to around
20 knots after midnight, then rising to 15 to 20 knots early in
the morning. Chance of snow. Waves 2 to 4 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots in the afternoon. Chance of
flurries in the morning. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming south 10 to 15 knots with gusts to around
20 knots early in the morning. Slight chance of snow showers
after midnight. Waves 1 to 2 feet.

$$

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

WFO DLH