694
FZUS53 KDLH 050237
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
937 PM CDT Wed Jun 4 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.

LSZ140-141-051015-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.
.THURSDAY...West wind 5 knots becoming southwest in the late
morning and afternoon. Mostly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 5 to 10 knots becoming northwest
after midnight. Chance of rain showers after midnight. Waves
1 foot or less.
.FRIDAY...North wind 5 knots becoming southwest in the late
morning and afternoon. Chance of rain showers. Waves 1 foot or
less.

$$

LSZ142-143-051015-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...Southwest wind 5 knots. Partly cloudy. Waves
1 foot or less.
.THURSDAY...Southwest wind 5 knots becoming south in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 knots becoming north in the late
evening and overnight. Chance of rain showers and slight chance
of thunderstorms after midnight. Waves 1 foot or less.
.FRIDAY...Northwest wind 5 knots becoming south in the late
morning and early afternoon, then becoming southeast late in the
afternoon. Chance of rain showers. Waves 1 foot or less.

$$

LSZ144-051015-
Two Harbors to Duluth MN-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...West wind 5 knots. Mostly clear. Waves 1 foot
or less.
.THURSDAY...Southwest wind 5 knots becoming east late in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 knots becoming north after
midnight. Slight chance of rain showers in the evening. Slight
chance of thunderstorms through the night. Chance of rain showers
after midnight. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming east in the afternoon.
Slight chance of thunderstorms in the morning. Rain showers
likely through the day. Waves 1 foot or less.

$$

LSZ145-051015-
Duluth MN to Port Wing WI-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Mostly clear.
Waves 1 foot or less.
.THURSDAY...Southwest wind 5 knots becoming east early in the
afternoon, then becoming northeast late in the afternoon. Slight
chance of showers and thunderstorms in the afternoon. Waves
1 foot or less.
.THURSDAY NIGHT...Northeast wind 5 knots. Slight chance of rain
showers in the evening. Slight chance of thunderstorms through
the night. Chance of rain showers after midnight. Waves 1 foot or
less.
.FRIDAY...Northeast wind 5 knots. Slight chance of thunderstorms
in the morning. Rain showers likely through the day. Waves 1 foot
or less.

$$

LSZ146-051015-
Port Wing to Sand Island WI-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Mostly clear.
Waves 1 foot or less.
.THURSDAY...Southwest wind 5 knots becoming southeast early in
the afternoon, then becoming northeast late in the afternoon.
Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 knots becoming southeast late in
the evening, then becoming north after midnight. Chance of rain
showers and slight chance of thunderstorms after midnight. Waves
1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming east in the late
morning and afternoon. Slight chance of thunderstorms in the
morning. Chance of rain showers through the day. Waves 1 foot or
less.

$$

LSZ147-051015-
Sand Island to Bayfield WI-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.THURSDAY...West wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 knots becoming southwest after
midnight, then becoming northwest early in the morning. Chance of
rain showers and slight chance of thunderstorms after midnight.
Waves 1 foot or less.
.FRIDAY...Northwest wind 5 knots becoming southwest late in the
morning, then becoming southeast in the afternoon. Slight chance
of thunderstorms in the morning. Chance of rain showers through
the day. Waves 1 foot or less.

$$

LSZ150-051015-
Outer Apostle Islands Beyond 5 NM from Mainland-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...Southwest wind 5 to 10 knots. Mostly clear.
Waves 1 to 2 feet.
.THURSDAY...Southwest wind 5 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 knots becoming south after
midnight, then becoming northwest early in the morning. Chance of
rain showers after midnight. Waves 1 foot or less.
.FRIDAY...Northwest wind 5 knots becoming southwest late in the
morning, then becoming southeast in the afternoon. Chance of rain
showers. Waves 1 foot or less.

$$

LSZ121-051015-
Chequamegon Bay-Bayfield to Oak Point WI-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.THURSDAY...Southwest wind 5 knots becoming south late in the
morning, then becoming northeast in the afternoon. Sunny. Waves
1 foot or less.
.THURSDAY NIGHT...East wind 5 knots becoming southeast late in
the evening, then becoming variable 10 knots or less after
midnight becoming northwest 5 knots early in the morning. Chance
of rain showers and slight chance of thunderstorms after
midnight. Waves 1 foot or less.
.FRIDAY...North wind 5 knots becoming east late in the afternoon.
Slight chance of thunderstorms in the morning. Rain showers
likely through the day. Waves 1 foot or less.

$$

LSZ148-051015-
Oak Point to Saxon Harbor WI-
937 PM CDT Wed Jun 4 2025

.REST OF TONIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.THURSDAY...Southwest wind 5 knots becoming northeast in the
afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...East wind 5 knots becoming south in the late
evening and early morning, then becoming northwest early in the
morning. Chance of rain showers and slight chance of
thunderstorms after midnight. Waves 1 foot or less.
.FRIDAY...Northwest wind 5 knots becoming east in the afternoon.
Slight chance of thunderstorms in the morning. Rain showers
likely through the day. Waves 1 foot or less.

$$

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

Rothstein