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FZUS53 KDLH 010256
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
956 PM CDT Sun Aug 31 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.

LSZ140-141-011015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
956 PM CDT Sun Aug 31 2025

.REST OF TONIGHT...Southwest wind 5 knots. Patchy fog through the
night. Slight chance of showers and thunderstorms late in the
evening. Chance of showers and thunderstorms after midnight.
Waves 1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots. Patchy fog in the
morning. Chance of showers and thunderstorms through the day.
Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Mostly cloudy in
the evening then becoming partly cloudy. Waves 1 foot or less.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Chance of showers and
thunderstorms in the afternoon. Waves 1 to 3 feet.

$$

LSZ142-143-011015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
956 PM CDT Sun Aug 31 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Slight chance of
showers in the late evening and early morning. Slight chance of
thunderstorms through the night. Chance of showers toward
daybreak. Patchy fog after midnight. Waves 1 foot or less.
.MONDAY...Southwest wind 5 knots. Patchy fog in the morning.
Slight chance of showers and thunderstorms through the day. Waves
1 foot or less.
.MONDAY NIGHT...Southwest wind 5 knots. Partly cloudy. Waves
1 foot or less.
.TUESDAY...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ144-145-011015-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
956 PM CDT Sun Aug 31 2025

.REST OF TONIGHT...Southwest wind 5 knots. Slight chance of
thunderstorms in the late evening and early morning. Slight
chance of rain showers through the night. Waves 1 foot or less.
.MONDAY...Southwest wind 5 knots becoming south late in the
afternoon. Patchy fog in the morning. Waves 1 foot or less.
.MONDAY NIGHT...South wind 5 knots becoming southwest after
midnight. Partly cloudy. Waves 1 foot or less.
.TUESDAY...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ146-011015-
Port Wing to Sand Island WI-
956 PM CDT Sun Aug 31 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Slight chance of
showers toward daybreak. Waves 1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.MONDAY NIGHT...South wind 5 to 10 knots becoming southwest after
midnight. Partly cloudy. Waves 1 foot or less.
.TUESDAY...Southwest wind 5 knots. Chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ147-011015-
Sand Island to Bayfield WI-
956 PM CDT Sun Aug 31 2025

.REST OF TONIGHT...Southwest 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.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy.
Waves 1 foot or less.
.TUESDAY...Southwest wind 5 knots. Chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ150-011015-
Outer Apostle Islands Beyond 5 NM from Mainland-
956 PM CDT Sun Aug 31 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Slight chance of
showers toward daybreak. Waves 1 foot or less.
.MONDAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or
less.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy.
Waves 1 foot or less.
.TUESDAY...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ121-011015-
Chequamegon Bay-Bayfield to Oak Point WI-
956 PM CDT Sun Aug 31 2025

.REST OF TONIGHT...Southwest wind 5 knots. Partly cloudy. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots becoming south late in the
afternoon. Sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy.
Waves 1 foot or less.
.TUESDAY...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ148-011015-
Oak Point to Saxon Harbor WI-
956 PM CDT Sun Aug 31 2025

.REST OF TONIGHT...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.
.MONDAY NIGHT...Southeast wind 5 knots becoming southwest in the
late evening and overnight. Partly cloudy. Waves 1 foot or less.
.TUESDAY...Southwest wind 5 to 10 knots. Chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.

$$

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

NLy