954
FZUS53 KDLH 012038
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
338 PM CDT Wed Oct 1 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.

LSZ140-020415-
Grand Portage to Grand Marais MN-
338 PM CDT Wed Oct 1 2025

.TONIGHT...Northeast wind 5 to 10 knots becoming south 10 to
15 knots with gusts to around 20 knots after midnight. Partly
cloudy. Waves 1 to 3 feet.
.THURSDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain
showers in the evening. Slight chance of thunderstorms through
the night. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 5 knots becoming northeast late in the
morning, then becoming east in the afternoon. Mostly sunny. Waves
1 foot or less.

$$

LSZ141-020415-
Grand Marais to Taconite Harbor MN-
338 PM CDT Wed Oct 1 2025

.TONIGHT...East wind 5 to 10 knots becoming southeast after
midnight. Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...Southeast wind 5 knots becoming south in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 5 knots becoming west early in
the morning. Slight chance of showers and thunderstorms through
the night. Waves 1 foot or less.
.FRIDAY...Northwest wind 5 knots becoming northeast late in the
morning, then becoming east in the afternoon. Mostly sunny. Waves
1 foot or less.

$$

LSZ142-020415-
Taconite Harbor to Silver Bay Harbor MN-
338 PM CDT Wed Oct 1 2025

.TONIGHT...Northeast wind 5 to 10 knots becoming east late in the
night. Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...South wind 5 knots. Slight chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...South wind 5 knots becoming west in the late
evening and overnight. Slight chance of showers and thunderstorms
through the night. Waves 1 foot or less.
.FRIDAY...Northwest wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 foot or less.

$$

LSZ143-020415-
Silver Bay Harbor to Two Harbors MN-
338 PM CDT Wed Oct 1 2025

.TONIGHT...Northeast wind 10 to 15 knots becoming east 5 knots
after midnight, then becoming southeast late in the night. Partly
cloudy. Waves 1 to 3 feet.
.THURSDAY...South wind 5 knots. Slight chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest wind 5 knots becoming northeast late
in the evening, then becoming west after midnight becoming
northwest early in the morning. Slight chance of showers and
thunderstorms through the night. Waves 1 foot or less.
.FRIDAY...West wind 5 knots becoming east in the late morning and
early afternoon, then rising to 5 to 10 knots late in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ144-020415-
Two Harbors to Duluth MN-
338 PM CDT Wed Oct 1 2025

.TONIGHT...Northeast wind 10 to 15 knots becoming southeast 5 to
10 knots late in the night. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...South wind 5 to 10 knots becoming northeast in
the late evening and early morning, then becoming southeast early
in the morning. Slight chance of showers and thunderstorms in the
evening. Waves 1 foot or less.
.FRIDAY...Variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. Mostly sunny. Waves
1 foot or less.

$$

LSZ145-020415-
Duluth MN to Port Wing WI-
338 PM CDT Wed Oct 1 2025

.TONIGHT...East wind 10 to 15 knots becoming south 5 to 10 knots
late in the night. Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...South wind 5 to 10 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 10 to 15 knots becoming east
5 to 10 knots in the late evening and early morning, then
becoming southeast early in the morning. Partly cloudy. Waves
1 foot or less.
.FRIDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.

$$

LSZ146-020415-
Port Wing to Sand Island WI-
338 PM CDT Wed Oct 1 2025

.TONIGHT...East wind 5 to 10 knots becoming south after midnight.
Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...Southwest wind 5 knots becoming northwest early in
the afternoon, then becoming southeast late in the afternoon.
Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 to 10 knots becoming east late
in the evening, then becoming south after midnight. Slight chance
of showers and thunderstorms. Waves 1 foot or less.
.FRIDAY...West wind 5 knots becoming northeast in the late
morning and afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ147-020415-
Sand Island to Bayfield WI-
338 PM CDT Wed Oct 1 2025

.TONIGHT...Southeast wind 5 to 10 knots becoming south in the
late evening and overnight. Partly cloudy. Waves 1 foot or less.
.THURSDAY...South wind 5 to 10 knots becoming west early in the
afternoon, then becoming south late in the afternoon. Sunny.
Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 to 10 knots becoming west late
in the evening, then becoming southwest after midnight. Slight
chance of showers and thunderstorms. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming northwest late in the
morning, then becoming northeast in the afternoon. Mostly sunny.
Waves 1 foot or less.

$$

LSZ150-020415-
Outer Apostle Islands Beyond 5 NM from Mainland-
338 PM CDT Wed Oct 1 2025

.TONIGHT...Southeast wind 5 to 10 knots becoming south with gusts
to around 20 knots after midnight. Partly cloudy. Waves 1 to
2 feet.
.THURSDAY...South wind 5 to 10 knots. Gusts up to 20 knots early
in the morning. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots. Slight chance of
showers and thunderstorms. Waves 1 to 2 feet.
.FRIDAY...Southwest wind 5 knots becoming west late in the
morning, then becoming northeast in the afternoon. Mostly sunny.
Waves 1 foot or less.

$$

LSZ121-020415-
Chequamegon Bay-Bayfield to Oak Point WI-
338 PM CDT Wed Oct 1 2025

.TONIGHT...South wind 5 to 10 knots. Partly cloudy. Waves 1 foot
or less.
.THURSDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots. Slight chance of
showers and thunderstorms in the evening. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 foot or less.

$$

LSZ148-020415-
Oak Point to Saxon Harbor WI-
338 PM CDT Wed Oct 1 2025

.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 foot or less.
.THURSDAY...South wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots with gusts to around
20 knots in the late morning and afternoon. Sunny. Waves 1 foot
or less.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots. Slight chance of
showers and thunderstorms. Waves 1 foot or less.
.FRIDAY...South wind 5 knots becoming west late in the morning,
then becoming northeast in the afternoon. Mostly sunny. Waves
1 foot or less.

$$

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

BJH