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FZUS53 KDLH 252107
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
407 PM CDT Thu Apr 25 2024

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.

LSZ140-141-260415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
407 PM CDT Thu Apr 25 2024

.TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots
becoming southeast 5 to 10 knots late in the night. Mostly clear.
Waves 1 to 3 feet.
.FRIDAY...East wind 15 to 20 knots. Gusts up to 25 knots late in
the afternoon. Slight chance of rain showers in the afternoon.
Waves 2 to 4 feet.
.FRIDAY NIGHT...East wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. Rain
showers. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small
craft advisory may be needed.
.SATURDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots
in the morning. Rain showers. Waves 3 to 5 feet. A small craft
advisory may be needed.

$$

LSZ142-143-260415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
407 PM CDT Thu Apr 25 2024

.TONIGHT...Northeast wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. Mostly clear.
Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.
.FRIDAY...East wind 5 to 10 knots becoming northeast 20 to
25 knots in the late morning and afternoon. Chance of rain
showers in the afternoon. Waves 1 to 2 feet building to 2 to
4 feet in the afternoon. A small craft advisory may be needed.
.FRIDAY NIGHT...Northeast wind 20 to 25 knots. Rain showers and
slight chance of thunderstorms. Waves 4 to 6 feet. Waves
occasionally to 8 feet. A small craft advisory may be needed.
.SATURDAY...Northeast wind 20 to 25 knots becoming north 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Slight chance of thunderstorms in the morning. Rain showers
through the day. Waves 4 to 6 feet subsiding to 2 to 4 feet late
in the afternoon. Waves occasionally to 8 feet. A small craft
advisory may be needed.

$$

LSZ144-145-260415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
407 PM CDT Thu Apr 25 2024

.TONIGHT...Northeast wind 20 to 25 knots becoming east 5 to
10 knots after midnight. Mostly clear. Waves 3 to 5 feet
subsiding to 1 to 2 feet after midnight.
.FRIDAY...East wind 20 to 25 knots. Rain showers likely in the
afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the
afternoon. A small craft advisory may be needed.
.FRIDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to
30 knots after midnight. Rain showers and slight chance of
thunderstorms. Waves 4 to 6 feet. Waves occasionally to 8 feet. A
small craft advisory may be needed.
.SATURDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots becoming north 10 to 15 knots with gusts to around
20 knots late in the afternoon. Rain showers and slight chance of
thunderstorms. Waves 4 to 7 feet subsiding to 2 to 4 feet late in
the afternoon. Waves occasionally to 9 feet. A small craft
advisory may be needed.

$$

LSZ146-260415-
Port Wing to Sand Island WI-
407 PM CDT Thu Apr 25 2024

.TONIGHT...Northeast wind 15 to 20 knots becoming east 5 to
10 knots in the late evening and overnight. Mostly clear. Waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.FRIDAY...East wind 10 knots rising to 15 to 20 knots in the late
morning and afternoon. Chance of rain showers in the afternoon.
Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon.
.FRIDAY NIGHT...East wind 15 to 20 knots. Gusts up to 20 knots
increasing to 25 knots after midnight. Rain showers and slight
chance of thunderstorms. Waves 3 to 5 feet. Waves occasionally to
7 feet. A small craft advisory may be needed.
.SATURDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming north 5 to 15 knots with gusts to around
20 knots late in the afternoon. Rain showers and slight chance of
thunderstorms. Waves 3 to 5 feet. Waves occasionally to 7 feet. A
small craft advisory may be needed.

$$

LSZ147-260415-
Sand Island to Bayfield WI-
407 PM CDT Thu Apr 25 2024

.TONIGHT...East wind 5 to 10 knots becoming southeast after
midnight. Mostly clear. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 10 knots becoming east in the late
morning and afternoon. Gusts up to 20 knots. Chance of rain
showers in the afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots becoming east 10 to 15 knots with gusts to around
25 knots early in the morning. Rain showers and slight chance of
thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet after
midnight. A small craft advisory may be needed.
.SATURDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming north 10 to 15 knots with gusts to around
20 knots late in the afternoon. Rain showers and slight chance of
thunderstorms. Waves 2 to 4 feet. A small craft advisory may be
needed.

$$

LSZ121-260415-
Chequamegon Bay-Bayfield to Oak Point WI-
407 PM CDT Thu Apr 25 2024

.TONIGHT...Northeast wind 5 to 10 knots becoming southeast after
midnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Chance of rain showers in the
afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...East wind 5 to 10 knots becoming northeast after
midnight. Rain showers and slight chance of thunderstorms. Waves
1 to 2 feet.
.SATURDAY...East wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 20 knots early in the
afternoon, then becoming northwest with gusts to around 20 knots
late in the afternoon. Rain showers and slight chance of
thunderstorms. Waves 1 to 2 feet.

$$

LSZ148-260415-
Oak Point to Saxon Harbor WI-
407 PM CDT Thu Apr 25 2024

.TONIGHT...East wind 5 to 10 knots becoming southeast with gusts
to around 20 knots in the late evening and overnight. Mostly
clear. Waves 1 to 2 feet.
.FRIDAY...Southeast wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots late in the morning, then decreasing to
20 knots in the afternoon. Chance of rain showers in the
afternoon. Waves 1 to 2 feet.
.FRIDAY NIGHT...East wind 10 to 15 knots. Gusts up to 25 knots.
Rain showers and slight chance of thunderstorms. Waves 1 to
3 feet.
.SATURDAY...East wind 10 to 15 knots with gusts to around
25 knots becoming west with gusts to around 25 knots early in the
afternoon, then becoming northwest with gusts to around 20 knots
late in the afternoon. Rain showers and slight chance of
thunderstorms. Waves 1 to 3 feet.

$$

LSZ150-260415-
Outer Apostle Islands Beyond 5 NM from Mainland-
407 PM CDT Thu Apr 25 2024

.TONIGHT...East wind 10 to 15 knots becoming southeast 5 to
10 knots with gusts to around 20 knots in the late evening and
overnight. Mostly clear. Waves 1 to 3 feet.
.FRIDAY...Southeast wind 10 to 15 knots with gusts to around
20 knots becoming east 15 to 20 knots late in the afternoon.
Chance of rain showers in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...East wind 10 to 15 knots with gusts to around
25 knots. Rain showers through the night. Slight chance of
thunderstorms after midnight. Waves 3 to 5 feet. Waves
occasionally to 7 feet. A small craft advisory may be needed.
.SATURDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming north 10 to 15 knots with gusts to around
20 knots late in the afternoon. Rain showers and slight chance of
thunderstorms. Waves 3 to 5 feet. Waves occasionally to 7 feet. A
small craft advisory may be needed.

$$

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

BJH