772
FZUS53 KDLH 101517
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1017 AM CDT Sun Aug 10 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.

LSZ140-141-102215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1017 AM CDT Sun Aug 10 2025

.REST OF TODAY...Southwest wind 15 to 20 knots. Mostly sunny.
Waves 1 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots in the late evening and
overnight. 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 3 feet.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Areas of smoke in
the evening. Chance of showers and slight chance of thunderstorms
after midnight. Waves 1 to 2 feet.

$$

LSZ142-143-102215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
1017 AM CDT Sun Aug 10 2025

.REST OF TODAY...Southwest wind 10 to 15 knots. Mostly sunny.
Waves 1 to 2 feet.
.TONIGHT...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.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Areas of smoke in
the evening. Chance of showers and thunderstorms after midnight.
Waves 1 to 2 feet.

$$

LSZ144-145-102215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1017 AM CDT Sun Aug 10 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Gusts up to
20 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...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.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Areas of smoke in
the evening. Chance of showers and thunderstorms after midnight.
Waves 1 to 2 feet.

$$

LSZ146-102215-
Port Wing to Sand Island WI-
1017 AM CDT Sun Aug 10 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny.
Waves 1 foot or less.
.TONIGHT...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.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots early in the morning. Areas of smoke in the evening.
Chance of showers and thunderstorms after midnight. Waves 1 to
2 feet.

$$

LSZ147-102215-
Sand Island to Bayfield WI-
1017 AM CDT Sun Aug 10 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny.
Waves 1 foot or less.
.TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot
or less.
.MONDAY...West wind 5 to 10 knots becoming southwest late in the
afternoon. Sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots early in the morning. Areas of smoke in the evening.
Slight chance of showers and thunderstorms after midnight. Waves
1 foot or less.

$$

LSZ150-102215-
Outer Apostle Islands Beyond 5 NM from Mainland-
1017 AM CDT Sun Aug 10 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny.
Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 10 knots becoming west after
midnight. Partly cloudy. Waves 1 foot or less.
.MONDAY...West wind 5 to 10 knots becoming south late in the
afternoon. Sunny. Waves 1 foot or less.
.MONDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
after midnight. Areas of smoke in the evening. Slight chance of
showers and thunderstorms after midnight. Waves 1 to 2 feet.

$$

LSZ121-102215-
Chequamegon Bay-Bayfield to Oak Point WI-
1017 AM CDT Sun Aug 10 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny.
Waves 1 foot or less.
.TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot
or less.
.MONDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 5 to 10 knots. Areas of smoke in
the evening. Slight chance of showers and thunderstorms after
midnight. Waves 1 foot or less.

$$

LSZ148-102215-
Oak Point to Saxon Harbor WI-
1017 AM CDT Sun Aug 10 2025

.REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny.
Waves 1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.
.MONDAY...Southwest wind 5 knots. Sunny. Waves 1 foot or less.
.MONDAY NIGHT...Southwest wind 10 to 15 knots. Areas of smoke in
the evening. Slight chance of showers and thunderstorms after
midnight. Waves 1 foot or less.

$$

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

BJH