604
FZUS53 KDLH 302026
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
326 PM CDT Mon Jun 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.

LSZ140-141-010415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
326 PM CDT Mon Jun 30 2025

.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early
in the evening. Chance of rain showers and slight chance of
thunderstorms early in the evening. Waves 1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the
late morning and afternoon. Slight chance of rain showers in the
afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the
afternoon.
.TUESDAY NIGHT...West wind 10 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.WEDNESDAY...West wind 5 to 10 knots. Slight chance of rain
showers. Waves 1 to 2 feet.

$$

LSZ142-143-010415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
326 PM CDT Mon Jun 30 2025

.TONIGHT...West wind 5 to 10 knots. Chance of rain showers and
slight chance of thunderstorms early in the evening. Waves 1 foot
or less.
.TUESDAY...West wind 10 to 15 knots. Sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.
.WEDNESDAY...West wind 5 knots. Slight chance of showers through
the day. Slight chance of thunderstorms in the afternoon. Waves
1 foot or less.

$$

LSZ144-145-010415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
326 PM CDT Mon Jun 30 2025

.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early
in the evening. Chance of rain showers and slight chance of
thunderstorms early in the evening. Waves 1 to 2 feet.
.TUESDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.WEDNESDAY...West wind 5 to 10 knots. Slight chance of rain
showers in the morning, then chance of rain showers and slight
chance of thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ146-010415-
Port Wing to Sand Island WI-
326 PM CDT Mon Jun 30 2025

.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 to 10 knots in the late evening and overnight. Chance
of rain showers and slight chance of thunderstorms early in the
evening. Waves 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
early in the afternoon. Sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.
.WEDNESDAY...West wind 5 to 10 knots. Slight chance of rain
showers in the morning, then chance of rain showers and slight
chance of thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ147-010415-
Sand Island to Bayfield WI-
326 PM CDT Mon Jun 30 2025

.TONIGHT...West wind 10 to 15 knots easing to 10 knots late in
the night. Chance of rain showers and slight chance of
thunderstorms early in the evening. Waves 1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the
late morning and early afternoon. Sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...West wind 10 to 15 knots. Mostly clear. Waves
1 to 2 feet.
.WEDNESDAY...West wind 5 to 10 knots. Slight chance of rain
showers in the morning, then chance of rain showers and slight
chance of thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ150-010415-
Outer Apostle Islands Beyond 5 NM from Mainland-
326 PM CDT Mon Jun 30 2025

.TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early
in the evening. Chance of rain showers and slight chance of
thunderstorms early in the evening. Waves 1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots until
late afternoon. Sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...West wind 10 to 15 knots. Mostly clear. Waves
1 to 2 feet.
.WEDNESDAY...West wind 5 to 10 knots. Slight chance of rain
showers through the day. Slight chance of thunderstorms in the
afternoon. Waves 1 foot or less.

$$

LSZ121-010415-
Chequamegon Bay-Bayfield to Oak Point WI-
326 PM CDT Mon Jun 30 2025

.TONIGHT...West wind 5 to 10 knots. Chance of rain showers and
slight chance of thunderstorms early in the evening. Waves 1 foot
or less.
.TUESDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.WEDNESDAY...West wind 5 knots. Chance of showers and slight
chance of thunderstorms in the afternoon. Waves 1 foot or less.

$$

LSZ148-010415-
Oak Point to Saxon Harbor WI-
326 PM CDT Mon Jun 30 2025

.TONIGHT...West wind 5 to 10 knots. Chance of rain showers and
slight chance of thunderstorms early in the evening. Waves 1 foot
or less.
.TUESDAY...West wind 5 to 10 knots. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southwest wind 5 to 10 knots. Mostly clear.
Waves 1 foot or less.
.WEDNESDAY...West wind 5 to 10 knots easing to 5 knots in the
afternoon. Slight chance of showers in the morning, then chance
of showers and slight chance of thunderstorms in the afternoon.
Waves 1 foot or less.

$$

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

Huyck