040
FZUS53 KDLH 270901
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
401 AM CDT Sat Apr 27 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.

LSZ140-141-271630-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
401 AM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TODAY...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming north 10 to 15 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 in the
morning, then chance of rain showers early in the afternoon.
Slight chance of rain showers late in the afternoon. Waves 3 to
5 feet subsiding to 1 to 3 feet late in the afternoon.
.TONIGHT...Northwest wind 10 knots with gusts to around 20 knots
becoming north with gusts to around 25 knots in the late evening
and early morning, then becoming northeast with gusts to around
20 knots early in the morning. Slight chance of rain showers in
the evening. Waves 1 to 3 feet.
.SUNDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots
increasing to 35 knots. Slight chance of rain showers in the
afternoon. Waves 2 to 4 feet building to 7 to 10 feet. Waves
occasionally to 13 feet. A gale warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots. Gusts up to
35 knots increasing to 40 knots in the late evening and
overnight. Rain showers. Waves 7 to 12 feet. Waves occasionally
to 15 feet. A gale warning may be needed.

$$

LSZ142-143-271630-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
401 AM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TODAY...Northeast wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots with gusts to around
20 knots in the afternoon. Rain showers and slight chance of
thunderstorms in the morning, then chance of rain showers early
in the afternoon. Slight chance of rain showers late in the
afternoon. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the
afternoon. Waves occasionally to 7 feet.
.TONIGHT...Northwest wind 5 to 10 knots with gusts to around
20 knots becoming north 10 to 15 knots with gusts to around
20 knots after midnight. Mostly cloudy. Waves 1 to 3 feet.
.SUNDAY...Northeast wind up to 30 knots with gales to around
40 knots. Chance of rain showers in the afternoon. Waves 4 to
6 feet building to 10 to 15 feet. Waves occasionally to 20 feet.
A gale warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots. Rain showers. Waves 10 to 15 feet subsiding to
8 to 13 feet early in the morning. Waves occasionally to 20 feet.
A gale warning may be needed.

$$

LSZ144-145-271630-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
401 AM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TODAY...Northeast wind 15 to 20 knots with gusts to around
30 knots becoming west 5 to 10 knots in the afternoon. Rain
showers and chance of thunderstorms early in the morning, then
rain showers likely and slight chance of thunderstorms late in
the morning. Chance of rain showers early in the afternoon. Waves
4 to 6 feet subsiding to 1 to 3 feet late in the afternoon. Waves
occasionally to 7 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming north after
midnight, then becoming northeast 15 to 20 knots early in the
morning. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet
early in the morning.
.SUNDAY...Northeast wind up to 30 knots with gales to around
40 knots. Chance of snow showers and slight chance of rain
showers in the morning, then rain showers in the afternoon. Waves
4 to 7 feet building to 11 to 16 feet. Waves occasionally to
20 feet. A gale warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots early in the morning. Rain
showers. Waves 11 to 16 feet subsiding to 9 to 14 feet after
midnight. Waves occasionally to 20 feet. A gale warning may be
needed.

$$

LSZ146-271630-
Port Wing to Sand Island WI-
401 AM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TODAY...Northeast wind 15 to 20 knots becoming northwest 5 to
10 knots early in the afternoon, then becoming west 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Rain showers and chance of thunderstorms in the morning, then
chance of rain showers in the afternoon. Waves 3 to 5 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots early in the morning.
Mostly cloudy. Waves 1 to 2 feet building to 1 to 3 feet early in
the morning.
.SUNDAY...Northeast wind up to 30 knots with gales to around
40 knots. Slight chance of rain showers and snow showers in the
morning, then chance of rain showers in the afternoon. Waves 4 to
6 feet building to 10 to 15 feet. Waves occasionally to 19 feet.
A gale warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots after midnight. Rain showers.
Waves 9 to 14 feet subsiding to 7 to 12 feet after midnight.
Waves occasionally to 19 feet. A gale warning may be needed.

$$

LSZ147-271630-
Sand Island to Bayfield WI-
401 AM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TODAY...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 20 knots late in the
afternoon. Rain showers and chance of thunderstorms in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots early in the morning.
Mostly cloudy. Waves 1 to 2 feet building to 1 to 3 feet early in
the morning.
.SUNDAY...Northeast wind up to 30 knots with gales to around
40 knots. Slight chance of rain showers in the morning. Slight
chance of snow showers through the day. Chance of rain showers in
the afternoon. Waves 4 to 6 feet building to 8 to 13 feet. Waves
occasionally to 17 feet. A gale warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots in the late evening and
overnight. Rain showers. Waves 7 to 12 feet subsiding to 7 to
10 feet early in the morning. Waves occasionally to 16 feet. A
gale warning may be needed.

$$

LSZ121-271630-
Chequamegon Bay-Bayfield to Oak Point WI-
401 AM CDT Sat Apr 27 2024

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TODAY...Northeast wind 5 to 10 knots becoming west with gusts to
around 20 knots in the afternoon. Rain showers and chance of
thunderstorms in the morning, then chance of rain showers and
slight chance of thunderstorms in the afternoon. Waves 1 to
2 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots after midnight. Mostly
cloudy. Waves 1 to 2 feet building to 2 to 4 feet early in the
morning. A small craft advisory may be needed.
.SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots
increasing to 35 knots. Slight chance of rain showers in the
morning. Chance of snow showers through the day. Rain showers in
the afternoon. Waves 4 to 6 feet building to 7 to 12 feet. Waves
occasionally to 15 feet. A gale warning may be needed.
.SUNDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to
35 knots decreasing to 25 knots. Rain showers. Waves 8 to 11 feet
subsiding to 6 to 9 feet after midnight. Waves occasionally to
15 feet. A gale warning may be needed.

$$

LSZ148-271630-
Oak Point to Saxon Harbor WI-
401 AM CDT Sat Apr 27 2024

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TODAY...East wind 10 to 15 knots becoming north 5 to 10 knots
with gusts to around 20 knots late in the morning, then becoming
west with gusts to around 20 knots in the afternoon. Rain showers
likely and chance of thunderstorms in the morning, then chance of
rain showers and slight chance of thunderstorms in the afternoon.
Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 10 knots becoming north 10 to
15 knots after midnight, then becoming northeast 15 to 20 knots
with gusts to around 25 knots early in the morning. Slight chance
of rain showers in the evening. Waves 1 to 2 feet building to
2 to 4 feet early in the morning. A small craft advisory may be
needed.
.SUNDAY...Northeast wind up to 30 knots with gales to around
35 knots. Slight chance of rain showers and snow showers in the
morning, then rain showers in the afternoon. Waves 4 to 6 feet
building to 7 to 12 feet. Waves occasionally to 15 feet. A gale
warning may be needed.
.SUNDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to
35 knots decreasing to 30 knots after midnight. Rain showers.
Waves 8 to 11 feet subsiding to 6 to 9 feet after midnight. Waves
occasionally to 15 feet. A gale warning may be needed.

$$

LSZ150-271630-
Outer Apostle Islands Beyond 5 NM from Mainland-
401 AM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TODAY...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming northwest early in the afternoon, then becoming
west with gusts to around 20 knots late in the afternoon. Rain
showers and chance of thunderstorms in the morning, then chance
of rain showers and slight chance of thunderstorms in the
afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon. Waves occasionally to 7 feet.
.TONIGHT...West wind 10 to 15 knots becoming northwest late in
the evening, then becoming northeast 15 to 20 knots with gusts to
around 25 knots after midnight. Mostly cloudy. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning. A small craft
advisory may be needed.
.SUNDAY...Northeast wind up to 30 knots. Gales up to 40 knots.
Slight chance of rain showers in the morning, then chance of rain
showers in the afternoon. Waves 4 to 6 feet building to 9 to
14 feet. Waves occasionally to 18 feet. A gale warning may be
needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots decreasing to 35 knots late in the evening, then
increasing to 40 knots after midnight. Rain showers. Waves 9 to
14 feet. Waves occasionally to 18 feet. A gale warning may be
needed.

$$

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

Britt