322
FZUS53 KDLH 142039
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
339 PM CDT Tue Oct 14 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.

LSZ140-141-150415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
339 PM CDT Tue Oct 14 2025

.TONIGHT...West wind 5 knots becoming northwest late in the
night. Cloudy. Waves 1 foot or less.
.WEDNESDAY...Northwest wind 5 knots becoming southwest in the
late morning and afternoon. Partly sunny in the morning then
clearing. Waves 1 foot or less.
.WEDNESDAY NIGHT...West wind 5 knots becoming northeast after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southeast wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers in the morning, then rain
showers in the afternoon. Waves 1 to 3 feet.

$$

LSZ142-143-150415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
339 PM CDT Tue Oct 14 2025

.TONIGHT...South wind 5 knots becoming northeast late in the
night. Slight chance of rain showers in the evening. Waves 1 foot
or less.
.WEDNESDAY...East wind 5 to 10 knots. Mostly cloudy in the
morning then clearing. Waves 1 foot or less.
.WEDNESDAY NIGHT...East wind 5 to 10 knots. Slight chance of rain
showers after midnight. Waves 1 foot or less.
.THURSDAY...Southeast wind 5 to 10 knots. Rain showers. Waves
1 foot or less.

$$

LSZ144-145-150415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
339 PM CDT Tue Oct 14 2025

.TONIGHT...East wind 5 knots. Chance of rain showers early in the
evening, then slight chance of rain showers late in the evening.
Waves 1 foot or less.
.WEDNESDAY...East wind 5 to 10 knots. Mostly cloudy in the
morning then becoming mostly sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...East wind 5 to 10 knots. Chance of rain
showers after midnight. Waves 1 foot or less.
.THURSDAY...Southeast wind 5 to 10 knots. Gusts up to 20 knots
late in the afternoon. Rain showers. Waves 1 foot or less.

$$

LSZ146-147-150415-
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
339 PM CDT Tue Oct 14 2025

.TONIGHT...East wind 5 knots. Slight chance of rain showers in
the evening. Waves 1 foot or less.
.WEDNESDAY...East wind 5 to 10 knots. Mostly cloudy in the
morning then clearing. Waves 1 foot or less.
.WEDNESDAY NIGHT...East wind 5 to 10 knots. Slight chance of rain
showers after midnight. Waves 1 foot or less.
.THURSDAY...Southeast wind 5 to 10 knots. Rain showers. Waves
1 foot or less.

$$

LSZ150-150415-
Outer Apostle Islands Beyond 5 NM from Mainland-
339 PM CDT Tue Oct 14 2025

.TONIGHT...East wind 5 knots. Slight chance of rain showers in
the evening. Waves 1 foot or less.
.WEDNESDAY...East wind 5 to 10 knots. Partly sunny in the morning
then clearing. Waves 1 foot or less.
.WEDNESDAY NIGHT...East wind 5 to 10 knots becoming southeast
early in the morning. Slight chance of rain showers after
midnight. Waves 1 foot or less.
.THURSDAY...Southeast wind 5 to 10 knots. Rain showers. Waves
1 to 2 feet.

$$

LSZ121-148-150415-
Chequamegon Bay-Bayfield to Oak Point WI-
Oak Point to Saxon Harbor WI-
339 PM CDT Tue Oct 14 2025

.TONIGHT...East wind 5 knots. Slight chance of rain showers early
in the evening, then chance of rain showers late in the evening.
Slight chance of rain showers after midnight. Waves 1 foot or
less.
.WEDNESDAY...East wind 5 knots. Mostly cloudy in the morning then
clearing. Waves 1 foot or less.
.WEDNESDAY NIGHT...East wind 5 to 10 knots becoming southeast
after midnight. Slight chance of rain showers after midnight.
Waves 1 foot or less.
.THURSDAY...Southeast wind 5 to 10 knots. Gusts up to 20 knots in
the afternoon. Rain showers. Waves 1 foot or less.

$$

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

Rothstein