800
FZUS53 KDLH 212012
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
212 PM CST Fri Feb 21 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.

LSZ140-141-220515-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
212 PM CST Fri Feb 21 2025

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

.TONIGHT...Southwest wind 20 to 25 knots with gusts to around
30 knots becoming west 10 to 15 knots with gusts to around
25 knots after midnight. Freezing spray in the evening. Chance of
flurries late in the night. Waves 5 to 8 feet subsiding to 2 to
4 feet late in the night. Waves occasionally to 10 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
early in the morning then 20 knots in the afternoon. Chance of
snow showers in the morning, then chance of flurries in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the
afternoon.
.SATURDAY NIGHT...West wind 5 to 10 knots becoming northeast
early in the morning. Mostly cloudy. Waves 1 to 3 feet.
.SUNDAY...East wind 5 to 10 knots becoming south 10 to 15 knots
with gusts to around 20 knots in the late morning and afternoon.
Slight chance of snow in the afternoon. Waves 1 foot or less.

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

$$

LSZ142-143-220515-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
212 PM CST Fri Feb 21 2025

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

.TONIGHT...Southwest wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots with gusts to around 25 knots
after midnight. Chance of flurries late in the night. Waves 3 to
5 feet subsiding to 1 to 2 feet late in the night. Waves
occasionally to 7 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
in the late morning and afternoon. Chance of flurries in the
morning. Waves 1 to 2 feet building to 1 to 3 feet in the
afternoon.
.SATURDAY NIGHT...West wind 5 to 10 knots. Mostly cloudy. Waves
1 to 2 feet.
.SUNDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots late
in the afternoon. Slight chance of snow and light freezing rain
in the afternoon. Waves 1 foot or less.

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

$$

LSZ144-145-220515-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
212 PM CST Fri Feb 21 2025

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

.TONIGHT...Southwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Partly cloudy early in the evening then
becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots early in the morning. Partly
cloudy in the evening then becoming mostly cloudy. Waves 1 to
2 feet.
.SUNDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Slight chance of rain, light freezing rain and snow in
the afternoon. Waves 1 foot or less.

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

$$

LSZ146-220515-
Port Wing to Sand Island WI-
212 PM CST Fri Feb 21 2025

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

.TONIGHT...Southwest wind 15 to 20 knots. Gusts up to 30 knots
decreasing to 20 knots. Partly cloudy in the evening then
becoming mostly cloudy. Waves 3 to 5 feet. Waves occasionally to
7 feet.
.SATURDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots early in the morning. Mostly
cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late
evening and overnight.
.SUNDAY...Southwest wind 5 to 10 knots. Slight chance of snow and
rain in the afternoon. Waves 1 foot or less.

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

$$

LSZ150-220515-
Outer Apostle Islands Beyond 5 NM from Mainland-
212 PM CST Fri Feb 21 2025

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

.TONIGHT...Southwest wind 20 to 25 knots. Gusts up to 30 knots
decreasing to 25 knots late in the night. Freezing spray late in
the evening. Chance of flurries late in the night. Waves 4 to
6 feet. Waves occasionally to 8 feet.
.SATURDAY...Southwest wind 15 to 20 knots. Chance of flurries in
the morning. Waves 2 to 4 feet.
.SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots early in the evening. Mostly cloudy. Waves 1 to 3 feet.
.SUNDAY...Southwest wind 5 to 10 knots. Slight chance of rain,
light freezing rain and snow in the afternoon. Waves 1 foot or
less.

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

$$

LSZ148-220515-
Oak Point to Saxon Harbor WI-
212 PM CST Fri Feb 21 2025

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

.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots
decreasing to 20 knots after midnight. Partly cloudy in the
evening then becoming mostly cloudy. Waves 1 foot or less.
.SATURDAY...Southwest wind 10 knots rising to 10 to 15 knots in
the late morning and early afternoon, then easing to 10 knots
late in the afternoon. Gusts up to 20 knots. Partly sunny. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest wind 5 to 10 knots. Mostly cloudy.
Waves 1 foot or less.
.SUNDAY...Southwest wind 5 to 10 knots. Slight chance of rain and
snow in the afternoon. Waves 1 foot or less.

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

$$

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

Britt