819
FZUS53 KDLH 150905
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
405 AM CDT Wed Oct 15 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.

LSZ140-141-151615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
405 AM CDT Wed Oct 15 2025

.TODAY...North wind 5 knots becoming south in the afternoon.
Mostly cloudy in the morning then becoming mostly sunny. Waves
1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots becoming east after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southeast wind 10 to 15 knots with gusts to around
20 knots. Rain showers likely in the afternoon. Waves 1 to
2 feet.
.THURSDAY NIGHT...Southeast wind 10 to 15 knots with gusts to
around 20 knots becoming south with gusts to around 20 knots
early in the morning. Rain showers likely in the evening, then
chance of rain showers after midnight. Waves 1 to 3 feet.

$$

LSZ142-143-151615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
405 AM CDT Wed Oct 15 2025

.TODAY...East wind 5 to 10 knots. Mostly cloudy in the morning
then becoming mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots. Mostly clear. Waves 1 foot or
less.
.THURSDAY...Southeast wind 5 to 10 knots. Rain showers likely in
the morning, then chance of rain showers in the afternoon. Waves
1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 to 10 knots. Chance of rain
showers. Waves 1 foot or less.

$$

LSZ144-145-151615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
405 AM CDT Wed Oct 15 2025

.TODAY...East wind 5 to 10 knots. Mostly cloudy in the morning
then becoming mostly sunny. Waves 1 foot or less.
.TONIGHT...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. Gusts up to 20 knots in
the afternoon. Rain showers likely. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southeast wind 10 to 15 knots becoming south
after midnight. Gusts up to 20 knots. Chance of rain showers.
Waves 1 to 2 feet.

$$

LSZ146-147-151615-
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
405 AM CDT Wed Oct 15 2025

.TODAY...East wind 5 to 10 knots. Mostly cloudy in the morning
then becoming mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots. Mostly clear. Waves 1 foot or
less.
.THURSDAY...Southeast wind 5 to 10 knots. Chance of rain showers
in the morning, then rain showers likely in the afternoon. Waves
1 foot or less.
.THURSDAY NIGHT...South wind 5 to 10 knots becoming south 5 to
10 knots with gusts to around 20 knots early in the morning.
Chance of rain showers. Waves 1 foot or less.

$$

LSZ150-151615-
Outer Apostle Islands Beyond 5 NM from Mainland-
405 AM CDT Wed Oct 15 2025

.TODAY...East wind 5 knots. Mostly cloudy in the morning then
becoming mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming southeast early in
the morning. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southeast wind 5 to 10 knots. Rain showers likely in
the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers. Waves 1 to 3 feet.

$$

LSZ121-148-151615-
Chequamegon Bay-Bayfield to Oak Point WI-
Oak Point to Saxon Harbor WI-
405 AM CDT Wed Oct 15 2025

.TODAY...East wind 5 knots. Mostly cloudy in the morning then
becoming mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming southeast after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
in the afternoon. Chance of rain showers through the day. Waves
1 foot or less.
.THURSDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots early in the morning. Chance of rain
showers. Waves 1 to 2 feet.

$$

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

LE