857
FZUS53 KDLH 032045
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
345 PM CDT Thu Jul 3 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.

LSZ140-141-040400-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
345 PM CDT Thu Jul 3 2025

.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of showers
and thunderstorms late in the night. Waves 1 foot or less.
.FRIDAY...East wind 5 to 10 knots becoming south late in the
afternoon. Chance of showers and thunderstorms in the morning,
then slight chance of showers and thunderstorms in the afternoon.
Waves 1 foot or less.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots becoming southwest
in the late evening and overnight. Chance of showers and
thunderstorms. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Rain showers and chance of thunderstorms. Waves
1 to 2 feet.

$$

LSZ143-040400-
Silver Bay Harbor to Two Harbors MN-
345 PM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Slight chance of showers and thunderstorms late in
the night. Waves 1 to 2 feet.
.FRIDAY...Northeast wind 5 knots becoming southeast in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
and thunderstorms. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ142-040400-
Taconite Harbor to Silver Bay Harbor MN-
345 PM CDT Thu Jul 3 2025

.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of showers
and thunderstorms late in the night. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming east in the afternoon.
Chance of showers and thunderstorms in the morning. Waves 1 foot
or less.
.FRIDAY NIGHT...South wind 5 to 10 knots becoming southwest in
the late evening and overnight. Chance of showers and
thunderstorms. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 knots becoming northwest late in the
afternoon. Rain showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ144-145-040400-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
345 PM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Slight chance of showers and thunderstorms late in
the night. Waves 1 to 3 feet.
.FRIDAY...Northeast wind 5 to 10 knots becoming south with gusts
to around 20 knots late in the afternoon. Chance of rain showers
and slight chance of thunderstorms in the morning. Waves 1 to
2 feet.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots early in the evening. Slight chance of showers and
thunderstorms in the evening, then chance of showers and
thunderstorms after midnight. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ146-040400-
Port Wing to Sand Island WI-
345 PM CDT Thu Jul 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Slight chance of showers and thunderstorms
late in the night. Waves 1 to 3 feet.
.FRIDAY...East wind 5 knots becoming southwest late in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Slight chance of
thunderstorms in the evening. Slight chance of showers through
the night. Chance of thunderstorms after midnight. Waves 1 foot
or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ147-040400-
Sand Island to Bayfield WI-
345 PM CDT Thu Jul 3 2025

.TONIGHT...Northeast wind 5 to 10 knots becoming southeast late
in the night. Slight chance of showers and thunderstorms late in
the night. Waves 1 foot or less.
.FRIDAY...Southeast wind 5 to 10 knots becoming south late in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Slight chance of
thunderstorms in the evening. Slight chance of showers through
the night. Chance of thunderstorms after midnight. Waves 1 foot
or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ150-040400-
Outer Apostle Islands Beyond 5 NM from Mainland-
345 PM CDT Thu Jul 3 2025

.TONIGHT...Northeast wind 5 to 10 knots becoming southeast after
midnight. Slight chance of showers and thunderstorms late in the
night. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 5 to 10 knots becoming south late in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots. Slight chance of
thunderstorms in the evening. Slight chance of showers through
the night. Chance of thunderstorms after midnight. Waves 1 to
2 feet.
.SATURDAY...Southwest wind 10 to 15 knots becoming west 5 to
10 knots late in the afternoon. Showers and chance of
thunderstorms. Waves 1 to 2 feet.

$$

LSZ121-040400-
Chequamegon Bay-Bayfield to Oak Point WI-
345 PM CDT Thu Jul 3 2025

.TONIGHT...Northeast wind 5 to 10 knots becoming south late in
the night. Chance of thunderstorms and slight chance of showers
late in the night. Waves 1 to 2 feet.
.FRIDAY...South wind 5 to 10 knots becoming southwest late in the
afternoon. Chance of showers and thunderstorms in the morning.
Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to
20 knots after midnight. Slight chance of thunderstorms in the
evening. Slight chance of showers through the night. Chance of
thunderstorms after midnight. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers and chance of thunderstorms. Waves 1 foot
or less.

$$

LSZ148-040400-
Oak Point to Saxon Harbor WI-
345 PM CDT Thu Jul 3 2025

.TONIGHT...Northeast wind 5 to 10 knots becoming southeast after
midnight. Chance of thunderstorms and slight chance of rain
showers late in the night. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 5 to 10 knots becoming south in the late
morning and afternoon. Chance of showers and thunderstorms in the
morning. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of thunderstorms in the evening.
Slight chance of showers through the night. Chance of
thunderstorms after midnight. Waves 1 foot or less.
.SATURDAY...Southwest wind 5 to 10 knots becoming west late in
the afternoon. Showers likely in the morning. Chance of
thunderstorms through the day. Showers in the afternoon. Waves
1 foot or less.

$$

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

Britt