595
FZUS53 KDLH 031443
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
943 AM CDT Thu Apr 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>142-032215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots late. Partly sunny. Waves 2 to 4 feet
subsiding to 1 to 2 feet late.
.TONIGHT...West wind 5 to 10 knots with gusts to around 20 knots
becoming northwest early in the morning. Partly cloudy. Waves
1 to 2 feet.
.FRIDAY...North wind 5 knots becoming southeast in the late
morning and afternoon. Mostly sunny in the morning then becoming
mostly cloudy. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming north with gusts to
around 20 knots after midnight. Slight chance of rain in the
evening. Slight chance of snow through the night. Chance of rain
after midnight. Waves 1 foot or less.

Note...Wave height forecasts are for ice free areas.

$$

LSZ143-032215-
Silver Bay Harbor to Two Harbors MN-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots late. Partly sunny. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon.
.TONIGHT...West wind 5 to 10 knots becoming northwest after
midnight. Partly cloudy. Waves 1 foot or less.
.FRIDAY...North wind 5 knots becoming east in the late morning
and afternoon. Mostly cloudy. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 knots becoming northwest with
gusts to around 20 knots early in the morning. Slight chance of
rain and snow in the evening, then chance of rain and snow after
midnight. Waves 1 foot or less.

Note...Wave height forecasts are for ice free areas.

$$

LSZ144-032215-
Two Harbors to Duluth MN-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 10 to 15 knots with gusts to around
25 knots easing to 10 knots with gusts to around 20 knots late.
Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon.
.TONIGHT...West wind 5 to 10 knots becoming northwest early in
the morning. Partly cloudy. Waves 1 foot or less.
.FRIDAY...North wind 5 knots becoming east in the late morning
and afternoon. Mostly cloudy. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Slight chance of snow in the evening. Chance of
rain through the night. Chance of snow after midnight. Waves
1 foot or less.

Note...Wave height forecasts are for ice free areas.

$$

LSZ145-032215-
Duluth MN to Port Wing WI-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots in the afternoon. Partly sunny. Waves 2 to
4 feet subsiding to 1 to 2 feet late.
.TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 to
2 feet.
.FRIDAY...Southeast wind 5 knots becoming northeast in the
afternoon. Mostly cloudy. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Slight chance of rain and snow in the evening,
then chance of snow and rain after midnight. Waves 1 foot or
less.

Note...Wave height forecasts are for ice free areas.

$$

LSZ146-032215-
Port Wing to Sand Island WI-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late. Partly sunny. Waves 3 to 5 feet.
.TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 to
2 feet.
.FRIDAY...South wind 5 knots becoming northeast in the afternoon.
Mostly cloudy. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 knots becoming north after
midnight. Slight chance of snow in the evening. Slight chance of
rain through the night. Chance of snow after midnight. Waves
1 foot or less.

Note...Wave height forecasts are for ice free areas.

$$

LSZ147-032215-
Sand Island to Bayfield WI-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the afternoon. Partly sunny. Waves 3 to
5 feet.
.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 knots after midnight. Partly cloudy. Waves 1 to
2 feet.
.FRIDAY...South wind 5 knots becoming northeast in the afternoon.
Partly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 knots becoming north after
midnight. Slight chance of rain and snow in the evening, then
chance of snow after midnight. Waves 1 foot or less.

Note...Wave height forecasts are for ice free areas.

$$

LSZ150-032215-
Outer Apostle Islands Beyond 5 NM from Mainland-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 25 knots
late. Partly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet
late. Waves occasionally to 8 feet.
.TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots
easing to 5 knots early in the morning. Partly cloudy. Waves 1 to
3 feet.
.FRIDAY...Southwest wind 5 knots becoming southeast late in the
morning, then becoming northeast in the afternoon. Partly sunny.
Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 to 10 knots becoming north after
midnight. Chance of snow after midnight. Waves 1 foot or less.

Note...Wave height forecasts are for ice free areas.

$$

LSZ121-032215-
Chequamegon Bay-Bayfield to Oak Point WI-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots with gusts to around 25 knots
in the afternoon. Partly sunny. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot
or less.
.FRIDAY...Southwest wind 5 knots becoming northeast in the
afternoon. Mostly cloudy. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Chance of snow after midnight. Waves 1 foot or
less.

Note...Wave height forecasts are for ice free areas.

$$

LSZ148-032215-
Oak Point to Saxon Harbor WI-
943 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Partly sunny. Waves 2 to 4 feet subsiding
to 1 to 2 feet late.
.TONIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot
or less.
.FRIDAY...South wind 5 knots becoming northeast in the afternoon.
Partly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight. Chance of snow after midnight. Waves 1 foot or
less.

Note...Wave height forecasts are for ice free areas.

$$

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

NLy