900
FZUS53 KDLH 090238
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
938 PM CDT Wed Oct 8 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.

LSZ140-091015-
Grand Portage to Grand Marais MN-
938 PM CDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THURSDAY THROUGH
FRIDAY MORNING...

.REST OF TONIGHT...Southwest wind 5 to 10 knots becoming south
after midnight. Mostly clear. Waves 1 to 2 feet.
.THURSDAY...Southwest 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 building to 3 to 5 feet in the late morning and
afternoon.
.THURSDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to
20 knots increasing to 25 knots in the late evening and
overnight. Rain showers likely through the night. Waves 3 to
5 feet. Waves occasionally to 7 feet.
.FRIDAY...West wind 15 to 20 knots becoming northwest 10 to
15 knots in the afternoon. Chance of rain showers. Waves 3 to
5 feet subsiding to 1 to 2 feet late in the afternoon. Waves
occasionally to 7 feet.

$$

LSZ141-091015-
Grand Marais to Taconite Harbor MN-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...Northeast wind 5 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming southeast 5 to 10 knots late in the afternoon.
Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southeast wind 10 to 15 knots becoming
southwest with gusts to around 20 knots in the late evening and
overnight. Chance of rain showers through the night. Waves 1 to
3 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest with gusts to around 20 knots in the late
morning and afternoon. Chance of rain showers. Waves 1 to 2 feet.

$$

LSZ142-091015-
Taconite Harbor to Silver Bay Harbor MN-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...East wind 5 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southwest wind 5 to 10 knots becoming southeast late
in the afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 to 10 knots becoming southwest
in the late evening and overnight. Chance of rain showers through
the night. Waves 1 to 2 feet.
.FRIDAY...West wind 5 to 10 knots becoming northwest with gusts
to around 20 knots in the late morning and afternoon. Chance of
rain showers. Waves 1 to 2 feet.

$$

LSZ143-091015-
Silver Bay Harbor to Two Harbors MN-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...Southeast wind 5 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southwest wind 5 to 10 knots becoming southeast late
in the afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...South wind 5 to 10 knots becoming southwest
early in the morning. Chance of rain showers through the night.
Waves 1 to 2 feet.
.FRIDAY...West wind 5 to 10 knots becoming northwest in the late
morning and afternoon. Slight chance of rain showers. Waves 1 to
2 feet.

$$

LSZ144-091015-
Two Harbors to Duluth MN-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...Southeast wind 10 to 15 knots becoming south
5 to 10 knots after midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...South wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots becoming southwest early in the morning. Chance of rain
showers in the evening. Slight chance of rain showers after
midnight. Waves 1 to 2 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest with gusts to around 20 knots in the
afternoon. Slight chance of rain showers. Waves 1 to 2 feet.

$$

LSZ145-091015-
Duluth MN to Port Wing WI-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...Southeast wind 5 to 10 knots becoming south
after midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...South wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Chance of rain showers in the evening.
Slight chance of rain showers after midnight. Waves 1 to 2 feet.
.FRIDAY...West wind 10 to 15 knots becoming northwest with gusts
to around 20 knots in the late morning and afternoon. Slight
chance of rain showers. Waves 1 to 2 feet.

$$

LSZ146-091015-
Port Wing to Sand Island WI-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...South wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.THURSDAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots until early morning. Chance of rain showers through the
night. Waves 1 to 2 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots with gusts to around 20 knots in
the afternoon. Slight chance of rain showers. Waves 1 to 2 feet.

$$

LSZ147-091015-
Sand Island to Bayfield WI-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...South wind 5 knots rising to 5 to 10 knots
toward daybreak. Mostly clear. Waves 1 foot or less.
.THURSDAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...South wind 5 to 10 knots. Gusts up to 20 knots
in the late evening and early morning. Chance of rain showers
through the night. Waves 1 foot or less.
.FRIDAY...Southwest wind 10 knots becoming northwest with gusts
to around 20 knots in the late morning and afternoon. Chance of
rain showers. Waves 1 to 2 feet.

$$

LSZ150-091015-
Outer Apostle Islands Beyond 5 NM from Mainland-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...Southeast wind 5 to 10 knots becoming south
after midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...South wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers through the night. Waves 1 to
3 feet.
.FRIDAY...Southwest wind 10 to 15 knots becoming northwest in the
late morning and afternoon. Gusts up to 20 knots. Chance of rain
showers. Waves 1 to 3 feet.

$$

LSZ121-091015-
Chequamegon Bay-Bayfield to Oak Point WI-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...South wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.THURSDAY...South wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and early afternoon. Sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers through the night. Waves 1 foot
or less.
.FRIDAY...Southwest wind 10 knots becoming west late in the
morning, then becoming northwest 5 to 10 knots in the afternoon.
Slight chance of rain showers in the morning, then chance of rain
showers in the afternoon. Waves 1 foot or less.

$$

LSZ148-091015-
Oak Point to Saxon Harbor WI-
938 PM CDT Wed Oct 8 2025

.REST OF TONIGHT...Southeast wind 5 knots becoming south after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...South wind 10 to 15 knots with gusts to around
20 knots. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers through the night. Waves 1 to
2 feet.
.FRIDAY...Southwest wind 10 to 15 knots becoming northwest late
in the afternoon. Gusts up to 20 knots. Chance of rain showers.
Waves 1 to 2 feet.

$$

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

Rothstein