Nearshore Marine Forecast
Issued by NWS Duluth, MN

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
118
FZUS53 KDLH 272357
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
657 PM 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.

LSZ140-141-280415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
657 PM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
SUNDAY AFTERNOON...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY
AFTERNOON...

.TONIGHT...Northwest wind 5 to 10 knots with gusts to around
25 knots becoming north 15 to 20 knots after midnight. Slight
chance of rain early in the evening. Waves 1 to 2 feet.
.SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots.
Chance of rain showers in the afternoon. Waves 2 to 4 feet
building to 4 to 7 feet in the afternoon. Waves occasionally to
9 feet.
.SUNDAY NIGHT...Northeast wind up to 30 knots. Gusts up to
35 knots increasing to 40 knots in the late evening and
overnight. Rain likely in the evening, then rain after midnight.
Waves 5 to 8 feet building to 8 to 13 feet. Waves occasionally to
17 feet.
.MONDAY...Northeast gales to 35 knots with gales to around
45 knots easing to up to 30 knots with gales to around 45 knots
in the afternoon. Rain. Waves 8 to 13 feet subsiding to 8 to
11 feet late in the afternoon. Waves occasionally to 17 feet.

$$

LSZ142-143-280415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
657 PM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
SUNDAY AFTERNOON...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY
AFTERNOON...

.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. Slight chance of rain early in the
evening. Waves 1 to 2 feet.
.SUNDAY...Northeast wind up to 30 knots. Gusts up to 35 knots.
Chance of rain showers in the afternoon. Waves 2 to 4 feet
building to 7 to 10 feet in the late morning and afternoon. Waves
occasionally to 13 feet. A gale warning may be needed.
.SUNDAY NIGHT...Northeast wind up to 30 knots. Gales up to
40 knots increasing to 45 knots early in the morning. Rain. Waves
9 to 14 feet. Waves occasionally to 18 feet.
.MONDAY...Northeast gales to 35 knots with gales to around
45 knots easing to 20 to 25 knots with gales to around 35 knots
late in the afternoon. Rain. Waves 9 to 14 feet subsiding to 7 to
12 feet late in the afternoon. Waves occasionally to 18 feet.

$$

LSZ144-145-280415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
657 PM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
SUNDAY MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TONIGHT...Northwest wind 10 to 15 knots becoming northeast 15 to
20 knots late in the night. Mostly cloudy. Waves 1 to 3 feet.
.SUNDAY...Northeast wind up to 30 knots. Gusts up to 30 knots
increasing to 40 knots. Chance of rain showers in the afternoon.
Waves 3 to 5 feet building to 8 to 11 feet in the late morning
and afternoon. Waves occasionally to 14 feet.
.SUNDAY NIGHT...Northeast wind up to 30 knots with gales to
around 40 knots rising to gales to 35 knots with gales to around
45 knots in the late evening and early morning, then easing to up
to 30 knots with gales to around 40 knots early in the morning.
Rain. Waves 7 to 12 feet. Waves occasionally to 16 feet.
.MONDAY...Northeast gales to 35 knots with gales to around
40 knots easing to up to 30 knots with gales to around 40 knots
in the late morning and afternoon. Rain in the morning, then rain
likely in the afternoon. Waves 8 to 13 feet subsiding to 8 to
11 feet late in the afternoon. Waves occasionally to 17 feet.

$$

LSZ146-280415-
Port Wing to Sand Island WI-
657 PM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
SUNDAY AFTERNOON...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY
AFTERNOON...

.TONIGHT...West wind 5 to 10 knots becoming northwest late in the
evening, then becoming northeast 15 to 20 knots after midnight.
Cloudy. Waves 1 to 3 feet.
.SUNDAY...Northeast wind up to 30 knots with gales to around
35 knots. Chance of rain showers in the afternoon. Waves 2 to
4 feet building to 7 to 10 feet in the late morning and
afternoon. Waves occasionally to 13 feet. A gale warning may be
needed.
.SUNDAY NIGHT...East wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots in the late evening and early morning,
then decreasing to 35 knots early in the morning. Rain. Waves
8 to 11 feet. Waves occasionally to 14 feet.
.MONDAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots late in the afternoon. Rain in the
morning, then rain likely in the afternoon. Waves 7 to 12 feet.
Waves occasionally to 15 feet.

$$

LSZ147-280415-
Sand Island to Bayfield WI-
657 PM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
SUNDAY AFTERNOON...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY
AFTERNOON...

.TONIGHT...Northwest wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots late in the night. Cloudy.
Waves 1 to 2 feet.
.SUNDAY...Northeast wind up to 30 knots with gales to around
35 knots. Chance of rain showers in the afternoon. Waves 5 to
8 feet. Waves occasionally to 11 feet. A gale warning may be
needed.
.SUNDAY NIGHT...East wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots after midnight, then decreasing to
35 knots early in the morning. Rain. Waves 7 to 10 feet. Waves
occasionally to 14 feet.
.MONDAY...Northeast wind up to 30 knots with gales to around
35 knots easing to 15 to 20 knots with gusts to around 30 knots
late in the afternoon. Rain in the morning, then rain likely in
the afternoon. Waves 8 to 11 feet. Waves occasionally to 15 feet.

$$

LSZ121-280415-
Chequamegon Bay-Bayfield to Oak Point WI-
657 PM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
MONDAY AFTERNOON...

.TONIGHT...Northwest wind 5 to 10 knots becoming north after
midnight, then becoming northeast 15 to 20 knots late in the
night. Cloudy. Waves 1 to 2 feet.
.SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots in
the afternoon. Rain showers likely in the afternoon. Waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.SUNDAY NIGHT...Northeast wind 20 to 25 knots with gusts to
around 30 knots. Rain. Waves 2 to 4 feet.
.MONDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 25 knots
in the late morning and afternoon. Rain. Waves 1 to 3 feet.

$$

LSZ148-280415-
Oak Point to Saxon Harbor WI-
657 PM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
MONDAY AFTERNOON...

.TONIGHT...West wind 5 to 10 knots becoming northwest late in the
evening, then becoming north after midnight becoming northeast
15 to 20 knots with gusts to around 25 knots late in the night.
Cloudy. Waves 1 to 2 feet building to 2 to 4 feet late in the
night.
.SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots in
the afternoon. Rain showers likely in the afternoon. Waves 5 to
8 feet building to 7 to 12 feet in the afternoon. Waves
occasionally to 15 feet.
.SUNDAY NIGHT...Northeast wind 20 to 25 knots with gusts to
around 30 knots. Rain. Waves 8 to 11 feet subsiding to 6 to
9 feet after midnight. Waves occasionally to 15 feet.
.MONDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 25 knots
in the afternoon. Rain. Waves 6 to 9 feet subsiding to 4 to
6 feet late in the afternoon. Waves occasionally to 11 feet.

$$

LSZ150-280415-
Outer Apostle Islands Beyond 5 NM from Mainland-
657 PM CDT Sat Apr 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
SUNDAY AFTERNOON...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY
AFTERNOON...

.TONIGHT...West wind 5 to 10 knots becoming northwest late in the
evening, then becoming northeast 15 to 20 knots with gusts to
around 25 knots after midnight. Slight chance of rain early in
the evening. Waves 1 to 3 feet.
.SUNDAY...Northeast wind up to 30 knots with gales to around
35 knots. Chance of rain showers in the afternoon. Waves 7 to
10 feet. Waves occasionally to 13 feet. A gale warning may be
needed.
.SUNDAY NIGHT...East wind up to 30 knots. Gusts up to 35 knots
increasing to 40 knots after midnight. Rain. Waves 8 to 13 feet.
Waves occasionally to 17 feet.
.MONDAY...Northeast wind up to 30 knots with gales to around
35 knots. Rain. Waves 9 to 14 feet. Waves occasionally to
18 feet.

$$

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

Rothstein