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
000
FZUS53 KDLH 221500
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
1000 AM CDT Mon Apr 22 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.

LSZ140-141-222215-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
1000 AM CDT Mon Apr 22 2024

.REST OF TODAY...Southwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots early in the afternoon, then
decreasing to 20 knots late. Slight chance of rain showers late.
Waves 1 to 3 feet.
.TONIGHT...Southwest wind 5 to 10 knots becoming west early in
the morning. Chance of rain showers. Waves 1 to 3 feet.
.TUESDAY...North wind 15 to 20 knots with gusts to around
25 knots becoming northeast 20 to 25 knots with gales to around
35 knots in the late morning and afternoon. Chance of rain
showers in the morning. Chance of snow showers through the day.
Waves 1 to 3 feet building to 4 to 6 feet in the late morning and
afternoon. Waves occasionally to 7 feet. A gale warning may be
needed.
.TUESDAY NIGHT...Northeast wind 15 to 20 knots with gusts to
around 25 knots becoming north with gusts to around 25 knots late
in the evening, then becoming northeast after midnight. Mostly
clear. Waves 2 to 4 feet.

$$

LSZ142-143-222215-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
1000 AM CDT Mon Apr 22 2024

.REST OF TODAY...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of rain showers late. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots early in the morning. Chance
of rain showers in the evening, then slight chance of rain
showers after midnight. Waves 1 to 2 feet.
.TUESDAY...West wind 5 to 10 knots becoming north 15 to 20 knots
late in the morning, then becoming east 20 to 25 knots with gusts
to around 30 knots in the afternoon. Chance of rain showers in
the morning, then slight chance of rain showers and snow showers
in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in
the afternoon. A small craft advisory may be needed.
.TUESDAY NIGHT...Southeast wind 10 to 15 knots with gusts to
around 20 knots becoming east 5 to 10 knots early in the morning.
Mostly clear. Waves 2 to 4 feet. A small craft advisory may be
needed.

$$

LSZ144-145-222215-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
1000 AM CDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...

.REST OF TODAY...Southwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots in the afternoon. Chance of rain
showers late. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Chance of rain showers in the evening, then
slight chance of rain showers after midnight. Waves 1 to 2 feet.
.TUESDAY...West wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 20 knots late in the morning, then
becoming northeast 20 to 25 knots with gusts to around 30 knots
in the afternoon. Rain showers likely in the morning, then chance
of rain showers and snow showers in the afternoon. Waves 1 to
2 feet building to 4 to 6 feet in the afternoon. Waves
occasionally to 8 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...East wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Mostly clear. Waves 3 to 5 feet. A small
craft advisory may be needed.

$$

LSZ146-222215-
Port Wing to Sand Island WI-
1000 AM CDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...

.REST OF TODAY...Southwest wind 10 knots with gusts to around
20 knots rising to 10 to 15 knots with gusts to around 25 knots
in the afternoon. Slight chance of rain showers late. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots easing to 10 knots late in the evening, then rising to
10 to 15 knots after midnight. Chance of rain showers in the
evening, then slight chance of rain showers after midnight. Waves
1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots becoming northwest 15 to
20 knots late in the morning, then becoming northeast 20 to
25 knots with gusts to around 30 knots in the afternoon. Rain
showers through the day. Chance of snow showers in the afternoon.
Waves 1 to 2 feet building to 4 to 6 feet in the afternoon. Waves
occasionally to 8 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots in the late evening and
overnight. Mostly clear. Waves 3 to 5 feet. A small craft
advisory may be needed.

$$

LSZ147-222215-
Sand Island to Bayfield WI-
1000 AM CDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...

.REST OF TODAY...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of rain showers late. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots easing to 10 knots late in the evening, then rising to
10 to 15 knots after midnight. Chance of rain showers in the
evening, then slight chance of rain showers after midnight. Waves
1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots becoming northwest 15 to
20 knots late in the morning, then becoming northeast 20 to
25 knots with gusts to around 30 knots in the afternoon. Rain
showers in the morning, then chance of snow showers and slight
chance of rain showers in the afternoon. Waves 1 to 3 feet
building to 4 to 6 feet in the afternoon. Waves occasionally to
8 feet. A small craft advisory may be needed.
.TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots after midnight. Mostly clear.
Waves 3 to 5 feet. A small craft advisory may be needed.

$$

LSZ121-222215-
Chequamegon Bay-Bayfield to Oak Point WI-
1000 AM CDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...

.REST OF TODAY...Southwest wind 10 to 15 knots with gusts to
around 25 knots. Slight chance of rain showers late. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots easing to 10 knots early in the morning. Chance of rain
showers through the night. Waves 1 to 2 feet.
.TUESDAY...West wind 5 to 10 knots becoming northwest 10 to
15 knots with gusts to around 20 knots late in the morning, then
becoming northeast 15 to 20 knots with gusts to around 30 knots
in the afternoon. Rain showers through the day. Chance of snow
showers in the afternoon. Waves 1 to 3 feet.
.TUESDAY NIGHT...East wind 10 to 15 knots. Gusts up to 20 knots
early in the evening. Mostly clear. Waves 1 to 2 feet.

$$

LSZ148-222215-
Oak Point to Saxon Harbor WI-
1000 AM CDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...

.REST OF TODAY...Southwest wind 10 to 15 knots. Gusts up to
20 knots increasing to 25 knots in the afternoon. Slight chance
of rain showers late. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots easing to 5 to 10 knots after midnight. Chance of rain
showers through the night. Waves 1 to 2 feet.
.TUESDAY...West wind 10 knots becoming northwest with gusts to
around 20 knots late in the morning, then becoming northeast
20 to 25 knots with gusts to around 30 knots in the afternoon.
Rain showers through the day. Chance of snow showers in the
afternoon. Waves 1 to 2 feet building to 5 to 8 feet in the
afternoon. Waves occasionally to 10 feet. A small craft advisory
may be needed.
.TUESDAY NIGHT...East wind 15 to 20 knots. Mostly clear. Waves
4 to 7 feet subsiding to 3 to 5 feet after midnight. Waves
occasionally to 9 feet. A small craft advisory may be needed.

$$

LSZ150-222215-
Outer Apostle Islands Beyond 5 NM from Mainland-
1000 AM CDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...

.REST OF TODAY...Southwest wind 10 to 15 knots with gusts to
around 20 knots. Slight chance of rain showers late. Waves 1 to
3 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Chance of rain showers through the night. Waves 1 to
3 feet.
.TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots
becoming northeast 20 to 25 knots with gusts to around 30 knots
in the late morning and afternoon. Rain showers in the morning,
then snow showers in the afternoon. Waves 1 to 2 feet building to
5 to 8 feet. Waves occasionally to 11 feet. A small craft
advisory may be needed.
.TUESDAY NIGHT...East wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Mostly clear. Waves 4 to
7 feet subsiding to 3 to 5 feet early in the morning. Waves
occasionally to 9 feet. A small craft advisory may be needed.

$$

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

KML


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