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FZUS53 KDLH 040830
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
330 AM CDT Fri Apr 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.

LSZ140-141-041615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
330 AM CDT Fri Apr 4 2025

.TODAY...West wind 5 to 10 knots becoming south in the late
morning and afternoon. Partly sunny until late afternoon then
becoming cloudy. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 to 10 knots becoming west in the late
evening and early morning, then becoming northwest 10 to 15 knots
with gusts to around 25 knots early in the morning. Chance of
rain and snow through the night. Waves 1 to 2 feet.
.SATURDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 2 feet.

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

$$

LSZ142-041615-
Taconite Harbor to Silver Bay Harbor MN-
330 AM CDT Fri Apr 4 2025

.TODAY...West wind 5 knots becoming south in the late morning and
afternoon. Mostly sunny early in the morning then becoming mostly
cloudy. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming west in the late
evening and early morning, then becoming northwest 10 to 15 knots
with gusts to around 25 knots early in the morning. Chance of
rain and snow. Waves 1 foot or less.
.SATURDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
until early morning. Partly cloudy. Waves 1 foot or less.

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

$$

LSZ143-041615-
Silver Bay Harbor to Two Harbors MN-
330 AM CDT Fri Apr 4 2025

.TODAY...West wind 5 knots becoming south in the late morning and
early afternoon, then becoming southeast late in the afternoon.
Partly sunny in the morning then becoming cloudy. Waves 1 foot or
less.
.TONIGHT...East wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Chance of rain in the evening. Rain likely and chance
of snow after midnight. Waves 1 foot or less.
.SATURDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
until early morning. Partly cloudy. Waves 1 foot or less.

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

$$

LSZ144-145-041615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
330 AM CDT Fri Apr 4 2025

.TODAY...South wind 5 knots becoming east late in the afternoon.
Mostly cloudy. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Chance of rain through the night. Chance of snow after
midnight. Waves 1 to 2 feet.
.SATURDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Partly cloudy. Waves 1 to 2 feet.

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

$$

LSZ146-041615-
Port Wing to Sand Island WI-
330 AM CDT Fri Apr 4 2025

.TODAY...Southwest wind 5 knots becoming west early in the
afternoon, then becoming east late in the afternoon. Mostly
cloudy. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming south late in the
evening, then becoming northwest 10 to 15 knots with gusts to
around 20 knots after midnight. Chance of rain through the night.
Chance of snow after midnight. Waves 1 to 2 feet.
.SATURDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 3 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 2 feet.

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

$$

LSZ147-041615-
Sand Island to Bayfield WI-
330 AM CDT Fri Apr 4 2025

.TODAY...South wind 5 knots becoming east in the afternoon.
Mostly cloudy. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming southwest late in the
evening, then becoming northwest 10 to 15 knots with gusts to
around 20 knots after midnight. Chance of rain through the night.
Chance of snow after midnight. Waves 1 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 3 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 2 feet.

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

$$

LSZ121-041615-
Chequamegon Bay-Bayfield to Oak Point WI-
330 AM CDT Fri Apr 4 2025

.TODAY...Southwest wind 5 knots becoming east late in the
afternoon. Mostly cloudy. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 knots becoming northwest with gusts
to around 20 knots in the late evening and overnight. Slight
chance of rain in the evening, then rain likely and chance of
snow after midnight. Waves 1 foot or less.
.SATURDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 foot or less.
.SATURDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.

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

$$

LSZ148-041615-
Oak Point to Saxon Harbor WI-
330 AM CDT Fri Apr 4 2025

.TODAY...South wind 5 knots becoming northeast in the afternoon.
Mostly cloudy. Waves 1 foot or less.
.TONIGHT...Northeast wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 20 knots after midnight. Slight
chance of rain in the evening, then rain likely and chance of
snow after midnight. Waves 1 to 2 feet.
.SATURDAY...Northwest wind 10 to 15 knots with gusts to around
20 knots. Slight chance of snow in the morning. Waves 1 to
2 feet.
.SATURDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 to 2 feet.

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

$$

LSZ150-041615-
Outer Apostle Islands Beyond 5 NM from Mainland-
330 AM CDT Fri Apr 4 2025

.TODAY...South wind 5 knots becoming east in the afternoon.
Mostly cloudy. Waves 1 foot or less.
.TONIGHT...East wind 5 to 10 knots becoming west after midnight,
then becoming northwest 15 to 20 knots with gusts to around
25 knots early in the morning. Slight chance of rain in the
evening, then chance of rain and snow after midnight. Waves
1 foot or less building to 1 to 3 feet early in the morning.
.SATURDAY...Northwest wind 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. Gusts up to 25 knots.
Mostly sunny. Waves 2 to 4 feet. A small craft advisory may be
needed.
.SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight.

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

$$

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

Melde