649
FZUS53 KDLH 092054
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
354 PM CDT Sat Aug 9 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.

LSZ140-141-100415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
354 PM CDT Sat Aug 9 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly cloudy early in
the evening then becoming partly cloudy. Waves 1 to 2 feet.
.SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.
.MONDAY...West wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the afternoon. Sunny.
Waves 1 to 2 feet.

$$

LSZ142-143-100415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
354 PM CDT Sat Aug 9 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.SUNDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots. Areas of smoke in the
morning. Waves 1 foot or less.

$$

LSZ144-145-100415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
354 PM CDT Sat Aug 9 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots in
the afternoon. Mostly sunny. Waves 1 foot or less.
.SUNDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.
.MONDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

LSZ146-100415-
Port Wing to Sand Island WI-
354 PM CDT Sat Aug 9 2025

.TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots late
in the afternoon. Sunny. Waves 1 foot or less.
.SUNDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.

$$

LSZ147-100415-
Sand Island to Bayfield WI-
354 PM CDT Sat Aug 9 2025

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

$$

LSZ150-100415-
Outer Apostle Islands Beyond 5 NM from Mainland-
354 PM CDT Sat Aug 9 2025

.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late evening and early morning. Partly cloudy. Waves 1 to
2 feet.
.SUNDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
early in the evening. Partly cloudy. Waves 1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots easing to 5 knots late in
the afternoon. Sunny. Waves 1 foot or less.

$$

LSZ121-100415-
Chequamegon Bay-Bayfield to Oak Point WI-
354 PM CDT Sat Aug 9 2025

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

$$

LSZ148-100415-
Oak Point to Saxon Harbor WI-
354 PM CDT Sat Aug 9 2025

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

$$

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

Huyck