Nearshore Marine Forecast
Issued by NWS Duluth, MN

Home | Current Version | Previous Version | Graphics & Text | 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
000
FZUS53 KDLH 142120
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
420 PM CDT Thu Mar 14 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.

LSZ140-141-150415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
420 PM CDT Thu Mar 14 2024

...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 5 to 10 knots becoming north in the
late evening and overnight. Mostly clear until early morning then
becoming mostly cloudy. Waves 1 to 2 feet.
.FRIDAY...Northwest wind 5 to 10 knots becoming southwest late in
the morning, then rising to 15 to 20 knots with gusts to around
25 knots in the afternoon. Partly sunny. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon. A small craft
advisory may be needed.
.FRIDAY NIGHT...Southwest wind 20 to 25 knots with gales to
around 35 knots becoming west 15 to 20 knots with gusts to around
30 knots early in the morning. Rain likely in the evening, then
chance of rain and snow likely after midnight. Waves 3 to 5 feet
building to 5 to 8 feet in the late evening and overnight. Waves
occasionally to 11 feet. A gale warning may be needed.
.SATURDAY...Northwest wind 20 to 25 knots with gales to around
35 knots. Chance of rain in the morning. Chance of snow through
the day. Slight chance of rain in the afternoon. Waves 4 to
6 feet. Waves occasionally to 8 feet. A gale warning may be
needed.

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

$$

LSZ143-150415-
Silver Bay Harbor to Two Harbors MN-
420 PM CDT Thu Mar 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 10 to 15 knots becoming north 5 knots
late in the evening, then becoming northwest after midnight.
Mostly clear until early morning then becoming mostly cloudy.
Waves 1 to 3 feet.
.FRIDAY...West wind 10 to 15 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the afternoon. Mostly
sunny. Waves 1 foot or less building to 2 to 4 feet in the
afternoon. A small craft advisory may be needed.
.FRIDAY NIGHT...Southwest wind 20 to 25 knots with gusts to
around 30 knots becoming west 15 to 20 knots with gusts to around
25 knots early in the morning. Chance of rain through the night.
Chance of snow after midnight. Waves 4 to 6 feet. Waves
occasionally to 8 feet. A small craft advisory may be needed.
.SATURDAY...Northwest wind up to 30 knots with gales to around
35 knots. Chance of snow and rain in the morning, then slight
chance of rain and snow in the afternoon. Waves 3 to 5 feet. A
gale warning may be needed.

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

$$

LSZ142-150415-
Taconite Harbor to Silver Bay Harbor MN-
420 PM CDT Thu Mar 14 2024

...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 5 to 10 knots becoming northwest after
midnight. Mostly clear until early morning then becoming mostly
cloudy. Waves 1 to 2 feet.
.FRIDAY...West wind 5 to 10 knots becoming southwest 15 to
20 knots with gusts to around 25 knots in the afternoon. Mostly
sunny. Waves 1 foot or less building to 2 to 4 feet in the
afternoon. A small craft advisory may be needed.
.FRIDAY NIGHT...Southwest wind 20 to 25 knots with gusts to
around 30 knots becoming west 15 to 20 knots with gusts to around
30 knots early in the morning. Chance of rain through the night.
Chance of snow after midnight. Waves 4 to 6 feet. Waves
occasionally to 8 feet. A small craft advisory may be needed.
.SATURDAY...Northwest wind up to 30 knots with gales to around
35 knots. Chance of snow and rain in the morning, then slight
chance of rain and snow in the afternoon. Waves 3 to 5 feet. A
gale warning may be needed.

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

$$

LSZ144-145-150415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
420 PM CDT Thu Mar 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 10 to 15 knots with gusts to around
20 knots becoming north 5 knots after midnight, then becoming
west late in the night. Partly cloudy until early morning then
becoming mostly cloudy. Waves 1 to 3 feet.
.FRIDAY...West wind 20 to 25 knots. Mostly sunny. Waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. A small
craft advisory may be needed.
.FRIDAY NIGHT...Southwest wind up to 30 knots with gales to
around 35 knots becoming west 20 to 25 knots early in the
morning. Chance of rain through the night. Waves 4 to 7 feet.
Waves occasionally to 9 feet. A gale warning may be needed.
.SATURDAY...Northwest wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Chance of rain and snow
in the morning, then slight chance of rain and snow in the
afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. A
gale warning may be needed.

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

$$

LSZ146-150415-
Port Wing to Sand Island WI-
420 PM CDT Thu Mar 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 10 to 15 knots easing to 5 knots late
in the evening, then becoming north after midnight becoming west
late in the night. Mostly clear until early morning then becoming
mostly cloudy. Waves 1 to 3 feet.
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Mostly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the
afternoon.
.FRIDAY NIGHT...Southwest wind 20 to 25 knots becoming west 10 to
20 knots early in the morning. Gusts up to 25 knots increasing to
30 knots late in the evening, then increasing to 35 knots after
midnight decreasing to 25 knots early in the morning. Chance of
rain through the night. Waves 4 to 7 feet. Waves occasionally to
9 feet. A gale warning may be needed.
.SATURDAY...West wind up to 30 knots. Gusts up to 35 knots in the
afternoon. Chance of rain and snow in the morning, then slight
chance of rain and snow in the afternoon. Waves 5 to 8 feet.
Waves occasionally to 10 feet. A gale warning may be needed.

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

$$

LSZ147-150415-
Sand Island to Bayfield WI-
420 PM CDT Thu Mar 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 5 to 10 knots becoming west late in the
night. Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon.
.FRIDAY NIGHT...Southwest wind 20 to 25 knots. Gusts up to
25 knots increasing to 30 knots late in the evening, then
increasing to 35 knots after midnight decreasing to 30 knots
early in the morning. Chance of rain through the night. Waves
4 to 7 feet. Waves occasionally to 9 feet. A gale warning may be
needed.
.SATURDAY...West wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Chance of rain through
the day. Slight chance of snow in the afternoon. Waves 5 to
8 feet. Waves occasionally to 10 feet. A gale warning may be
needed.

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

$$

LSZ121-150415-
Chequamegon Bay-Bayfield to Oak Point WI-
420 PM CDT Thu Mar 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 5 to 10 knots becoming northwest late
in the night. Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...West wind 10 to 15 knots with gusts to around 20 knots.
Mostly sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 25 knots rising to 20 to 25 knots with gales to around
40 knots in the late evening and overnight. Chance of rain
through the night. Waves 1 to 3 feet subsiding to 1 to 2 feet
early in the morning. A gale warning may be needed.
.SATURDAY...West wind 15 to 20 knots with gusts to around
30 knots. Chance of rain in the morning. Slight chance of snow
through the day. Waves 1 to 3 feet.

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

$$

LSZ148-150415-
Oak Point to Saxon Harbor WI-
420 PM CDT Thu Mar 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 5 to 10 knots becoming northwest late
in the night. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight.
.FRIDAY...West wind 5 to 10 knots. Gusts up to 20 knots late in
the afternoon. Mostly sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southwest wind 20 to 25 knots with gusts to
around 30 knots. Chance of rain through the night. Waves 1 to
3 feet building to 2 to 4 feet after midnight. A small craft
advisory may be needed.
.SATURDAY...West wind 20 to 25 knots. Gusts up to 25 knots
increasing to 30 knots in the afternoon. Chance of rain in the
morning. Chance of snow through the day. Waves 3 to 5 feet. A
small craft advisory may be needed.

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

$$

LSZ150-150415-
Outer Apostle Islands Beyond 5 NM from Mainland-
420 PM CDT Thu Mar 14 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE SATURDAY
NIGHT...

.TONIGHT...Northeast wind 5 to 10 knots becoming northwest late
in the night. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to
2 feet after midnight.
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon. A small craft advisory may be needed.
.FRIDAY NIGHT...Southwest wind 20 to 25 knots. Gusts up to
25 knots increasing to 30 knots late in the evening, then
increasing to 35 knots after midnight decreasing to 30 knots
early in the morning. Chance of rain through the night. Waves
5 to 8 feet. Waves occasionally to 10 feet. A gale warning may be
needed.
.SATURDAY...West wind up to 30 knots. Gusts up to 30 knots
increasing to 35 knots in the afternoon. Chance of rain in the
morning, then slight chance of rain and snow in the afternoon.
Waves 5 to 8 feet. Waves occasionally to 10 feet. A gale warning
may be needed.

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

$$

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

Britt


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.