Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 161543
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1043 AM CDT Tue Apr 16 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.

LSZ140-141-162215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1043 AM CDT Tue Apr 16 2024

...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.REST OF TODAY...Northeast wind up to 30 knots with gales to
around 40 knots. Partly sunny. Waves 3 to 5 feet building to 7 to
10 feet. Waves occasionally to 13 feet.
.TONIGHT...East wind up to 30 knots. Gales up to 45 knots
decreasing to 35 knots. Chance of rain in the evening, then rain
showers after midnight. Waves 7 to 12 feet. Waves occasionally to
15 feet.
.WEDNESDAY...Northeast wind up to 30 knots. Gusts up to 35 knots
until late afternoon. Rain showers. Waves 8 to 11 feet. Waves
occasionally to 15 feet.
.WEDNESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots becoming west 10 to 15 knots with gusts to around
20 knots early in the morning. Rain showers likely. Waves 7 to
10 feet subsiding to 4 to 6 feet after midnight. Waves
occasionally to 13 feet. A small craft advisory may be needed.

$$

LSZ143-162215-
Silver Bay Harbor to Two Harbors MN-
1043 AM CDT Tue Apr 16 2024

...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...

.REST OF TODAY...Northeast wind up to 30 knots with gales to
around 40 knots rising to gales to 35 knots with gales to around
45 knots late. Slight chance of rain late. Waves 4 to 6 feet
building to 7 to 12 feet. Waves occasionally to 16 feet.
.TONIGHT...Northeast gales to 35 knots with gales to around
45 knots easing to up to 30 knots with gales to around 40 knots
in the late evening and overnight. Rain. Waves 9 to 14 feet
subsiding to 7 to 12 feet after midnight. Waves occasionally to
19 feet.
.WEDNESDAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots late in the afternoon. Rain showers. Waves
8 to 11 feet. Waves occasionally to 15 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to
20 knots. Rain showers in the evening. Waves 6 to 9 feet
subsiding to 2 to 4 feet. Waves occasionally to 12 feet. A small
craft advisory may be needed.

$$

LSZ142-162215-
Taconite Harbor to Silver Bay Harbor MN-
1043 AM CDT Tue Apr 16 2024

...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.REST OF TODAY...Northeast wind up to 30 knots with gales to
around 45 knots. Partly sunny. Waves 3 to 5 feet building to 7 to
12 feet. Waves occasionally to 15 feet.
.TONIGHT...Northeast wind up to 30 knots. Gales up to 45 knots
decreasing to 35 knots. Rain in the evening, then rain showers
after midnight. Waves 9 to 14 feet subsiding to 7 to 12 feet
early in the morning. Waves occasionally to 18 feet.
.WEDNESDAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots late in the afternoon. Rain showers. Waves
8 to 11 feet. Waves occasionally to 15 feet.
.WEDNESDAY NIGHT...North wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 25 knots in the late
evening and overnight. Rain showers in the evening. Waves 6 to
9 feet subsiding to 2 to 4 feet. Waves occasionally to 12 feet. A
small craft advisory may be needed.

$$

LSZ144-145-162215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1043 AM CDT Tue Apr 16 2024

...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...

.REST OF TODAY...Northeast wind up to 30 knots with gales to
around 40 knots rising to gales to 35 knots with gales to around
45 knots late. Chance of rain late. Waves 4 to 6 feet building to
8 to 13 feet. Waves occasionally to 17 feet.
.TONIGHT...Northeast gales to 35 knots with gales to around
45 knots easing to up to 30 knots with gales to around 40 knots
in the late evening and overnight. Rain in the evening, then rain
showers likely after midnight. Waves 9 to 14 feet subsiding to
7 to 12 feet after midnight. Waves occasionally to 19 feet.
.WEDNESDAY...Northeast wind up to 30 knots. Gusts up to 35 knots
decreasing to 30 knots late in the afternoon. Rain showers. Waves
8 to 11 feet. Waves occasionally to 14 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Rain showers in the evening. Waves 5 to
8 feet subsiding to 3 to 5 feet after midnight. Waves
occasionally to 11 feet. A small craft advisory may be needed.

$$

LSZ146-162215-
Port Wing to Sand Island WI-
1043 AM CDT Tue Apr 16 2024

...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...

.REST OF TODAY...East wind 15 to 20 knots with gusts to around
30 knots becoming northeast up to 30 knots with gales to around
45 knots in the afternoon. Slight chance of rain late. Waves 3 to
5 feet building to 7 to 12 feet. Waves occasionally to 16 feet.
.TONIGHT...Northeast wind up to 30 knots. Gales up to 40 knots
decreasing to 30 knots. Rain. Waves 8 to 13 feet subsiding to
8 to 11 feet after midnight. Waves occasionally to 17 feet.
.WEDNESDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots
until late afternoon. Rain showers. Waves 7 to 10 feet. Waves
occasionally to 13 feet. A small craft advisory may be needed.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots becoming west
10 to 15 knots with gusts to around 20 knots in the late evening
and overnight. Rain showers in the evening. Waves 5 to 8 feet
subsiding to 2 to 4 feet. Waves occasionally to 11 feet. A small
craft advisory may be needed.

$$

LSZ147-162215-
Sand Island to Bayfield WI-
1043 AM CDT Tue Apr 16 2024

...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...

.REST OF TODAY...Northeast wind 15 to 20 knots with gusts to
around 25 knots rising to up to 30 knots with gales to around
45 knots in the afternoon. Partly sunny. Waves 3 to 5 feet
building to 8 to 11 feet. Waves occasionally to 15 feet.
.TONIGHT...East wind up to 30 knots. Gales up to 40 knots
decreasing to 30 knots. Rain. Waves 7 to 12 feet subsiding to
6 to 9 feet after midnight. Waves occasionally to 16 feet.
.WEDNESDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots
until late afternoon. Rain showers. Waves 6 to 9 feet. Waves
occasionally to 11 feet. A small craft advisory may be needed.
.WEDNESDAY NIGHT...Northwest wind 10 to 15 knots becoming west in
the late evening and overnight. Gusts up to 20 knots. Rain
showers in the evening. Waves 5 to 8 feet subsiding to 1 to
3 feet. Waves occasionally to 10 feet. A small craft advisory may
be needed.

$$

LSZ121-162215-
Chequamegon Bay-Bayfield to Oak Point WI-
1043 AM CDT Tue Apr 16 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northeast wind 20 to 25 knots with gales to
around 35 knots. Slight chance of rain late. Waves 1 to 2 feet
building to 3 to 5 feet in the afternoon.
.TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots.
Rain through the night. Slight chance of thunderstorms after
midnight. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the
morning. A gale warning may be needed.
.WEDNESDAY...Northeast wind 10 to 15 knots becoming north late in
the afternoon. Gusts up to 20 knots. Rain showers. Waves 1 to
3 feet.
.WEDNESDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots easing to 10 knots early in the morning. Rain showers in
the evening. Waves 1 to 2 feet.

$$

LSZ148-162215-
Oak Point to Saxon Harbor WI-
1043 AM CDT Tue Apr 16 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.REST OF TODAY...East wind 10 to 15 knots with gusts to around
20 knots becoming northeast up to 30 knots with gales to around
35 knots in the afternoon. Slight chance of rain late. Waves 2 to
4 feet building to 6 to 9 feet. Waves occasionally to 11 feet.
.TONIGHT...Northeast wind up to 30 knots with gales to around
35 knots becoming east 15 to 20 knots with gusts to around
30 knots after midnight. Rain through the night. Slight chance of
thunderstorms after midnight. Waves 6 to 9 feet subsiding to 4 to
7 feet after midnight. Waves occasionally to 12 feet. A gale
warning may be needed.
.WEDNESDAY...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. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...Northwest wind 10 to 15 knots becoming west
5 to 10 knots with gusts to around 20 knots in the late evening
and overnight. Rain showers in the evening. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the morning. A small craft
advisory may be needed.

$$

LSZ150-162215-
Outer Apostle Islands Beyond 5 NM from Mainland-
1043 AM CDT Tue Apr 16 2024

...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...

.REST OF TODAY...East wind 15 to 20 knots with gusts to around
25 knots becoming northeast up to 30 knots with gales to around
45 knots in the afternoon. Partly sunny. Waves 3 to 5 feet
building to 7 to 12 feet. Waves occasionally to 16 feet.
.TONIGHT...East gales to 35 knots with gales to around 45 knots
easing to up to 30 knots with gales to around 40 knots in the
late evening and overnight. Rain. Waves 9 to 14 feet subsiding to
8 to 11 feet after midnight. Waves occasionally to 18 feet.
.WEDNESDAY...Northeast wind 20 to 25 knots with gusts to around
30 knots. Rain showers. Waves 7 to 10 feet. Waves occasionally to
13 feet. A small craft advisory may be needed.
.WEDNESDAY NIGHT...North wind 15 to 20 knots becoming northwest
10 knots late in the evening, then becoming west with gusts to
around 20 knots after midnight. Rain showers in the evening.
Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally to
12 feet. A small craft advisory may be needed.

$$

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

LE


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