709
FZUS53 KDLH 301844
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
144 PM CDT Sat Aug 30 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.

LSZ140-141-310415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
144 PM CDT Sat Aug 30 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to
3 feet.
.SUNDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or
less.
.SUNDAY NIGHT...Southwest wind 5 knots. Partly cloudy. Waves
1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ142-143-310415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
144 PM CDT Sat Aug 30 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots. Slight chance of rain
showers in the afternoon. Waves 1 foot or less.
.SUNDAY NIGHT...Southwest wind 5 knots. Partly cloudy. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ144-145-310415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
144 PM CDT Sat Aug 30 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ146-310415-
Port Wing to Sand Island WI-
144 PM CDT Sat Aug 30 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ147-310415-
Sand Island to Bayfield WI-
144 PM CDT Sat Aug 30 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ150-310415-
Outer Apostle Islands Beyond 5 NM from Mainland-
144 PM CDT Sat Aug 30 2025

.TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.
.SUNDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ121-310415-
Chequamegon Bay-Bayfield to Oak Point WI-
144 PM CDT Sat Aug 30 2025

.TONIGHT...Southwest wind 5 knots. Partly cloudy. Waves 1 foot or
less.
.SUNDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.

$$

LSZ148-310415-
Oak Point to Saxon Harbor WI-
144 PM CDT Sat Aug 30 2025

.TONIGHT...South wind 5 knots becoming southwest in the late
evening and overnight. Partly cloudy. Waves 1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.SUNDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots becoming southeast late in the
afternoon. Sunny. Waves 1 foot or less.

$$

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

Wolfe