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
851
FZUS53 KDLH 072107
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
407 PM CDT Mon Apr 7 2025

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.

LSZ140-141-080415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 5 to 10 knots. Partly cloudy. Waves 1 foot
or less.
.TUESDAY...North wind 5 to 10 knots becoming northeast late in
the morning, then becoming south in the afternoon. Sunny. Waves
1 foot or less.
.TUESDAY NIGHT...South wind 5 to 10 knots becoming southeast
early in the morning. Partly cloudy in the evening then becoming
mostly cloudy. Waves 1 foot or less.
.WEDNESDAY...East wind 5 to 10 knots with gusts to around
20 knots. Chance of snow. Waves 1 to 2 feet.

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

$$

LSZ142-143-080415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.TUESDAY...North wind 5 knots becoming southeast in the
afternoon. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY...East wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Chance of snow through the day.
Waves 1 to 2 feet.

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

$$

LSZ144-080415-
Two Harbors to Duluth MN-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.TUESDAY...North wind 5 knots becoming east in the late morning
and afternoon. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY...East wind 10 to 15 knots. Gusts up to 20 knots late
in the afternoon. Slight chance of snow through the day. Chance
of rain in the afternoon. Waves 1 to 2 feet.

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

$$

LSZ145-080415-
Duluth MN to Port Wing WI-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.TUESDAY...Northeast wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots
late in the afternoon. Slight chance of rain in the morning.
Slight chance of snow through the day. Chance of rain in the
afternoon. Waves 1 to 3 feet.

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

$$

LSZ146-080415-
Port Wing to Sand Island WI-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 to
2 feet.
.TUESDAY...North wind 5 knots becoming northeast in the
afternoon. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.WEDNESDAY...East wind 10 to 15 knots. Chance of snow through the
day. Chance of rain in the afternoon. Waves 1 to 2 feet.

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

$$

LSZ147-080415-
Sand Island to Bayfield WI-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 5 to 10 knots. Partly cloudy. Waves 1 to
2 feet.
.TUESDAY...North wind 5 knots becoming east late in the
afternoon. Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.
.WEDNESDAY...East wind 5 to 10 knots becoming northeast with
gusts to around 20 knots late in the afternoon. Chance of snow
through the day. Chance of rain in the afternoon. Waves 1 foot or
less.

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

$$

LSZ150-080415-
Outer Apostle Islands Beyond 5 NM from Mainland-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 10 to 15 knots. Chance of flurries early in
the evening. Waves 1 to 3 feet subsiding to 1 to 2 feet in the
late evening and overnight.
.TUESDAY...North wind 5 to 10 knots becoming southeast late in
the afternoon. Sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southeast wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.
.WEDNESDAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Slight chance of rain and snow in the morning, then chance of
rain and snow in the afternoon. Waves 1 to 2 feet.

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

$$

LSZ121-080415-
Chequamegon Bay-Bayfield to Oak Point WI-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 5 to 10 knots easing to 5 knots late in the
night. Partly cloudy. Waves 1 foot or less.
.TUESDAY...North wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 foot or less.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming southeast after
midnight. Mostly cloudy. Waves 1 foot or less.
.WEDNESDAY...East wind 5 to 10 knots. Slight chance of snow in
the morning, then chance of rain and snow in the afternoon. Waves
1 foot or less.

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

$$

LSZ148-080415-
Oak Point to Saxon Harbor WI-
407 PM CDT Mon Apr 7 2025

.TONIGHT...North wind 5 to 10 knots. Slight chance of snow early
in the evening. Waves 1 to 3 feet subsiding to 1 to 2 feet in the
late evening and overnight.
.TUESDAY...North wind 5 knots becoming east in the afternoon.
Sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming southeast after
midnight. Mostly cloudy. Waves 1 foot or less.
.WEDNESDAY...East wind 5 to 10 knots becoming northeast late in
the afternoon. Slight chance of rain and snow in the morning,
then chance of rain and snow in the afternoon. Waves 1 to 2 feet.

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

$$

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

BJH