516
FZUS53 KDLH 190845
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
345 AM CDT Sat Apr 19 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.

LSZ140-141-191615-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
345 AM CDT Sat Apr 19 2025

.TODAY...Northwest wind 5 to 10 knots becoming west in the
afternoon. Chance of flurries early in the morning. Waves 1 foot
or less.
.TONIGHT...West wind 5 to 10 knots becoming northwest in the late
evening and early morning, then becoming east early in the
morning. Mostly clear. Waves 1 foot or less.
.SUNDAY...East wind 5 knots rising to 5 to 10 knots. Mostly
sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Northeast wind 10 to 15 knots. Chance of rain
showers after midnight. Waves 1 to 2 feet.

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

$$

LSZ142-143-191615-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
345 AM CDT Sat Apr 19 2025

.TODAY...West wind 5 to 10 knots becoming southwest in the
afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...Southwest wind 5 knots becoming northeast in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.SUNDAY...Northeast wind 5 knots becoming east 10 to 15 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots after midnight. Chance of rain showers after midnight.
Waves 1 to 2 feet.

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

$$

LSZ144-145-191615-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
345 AM CDT Sat Apr 19 2025

.TODAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.
.TONIGHT...Southeast wind 5 knots becoming east after midnight.
Mostly clear. Waves 1 foot or less.
.SUNDAY...East wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet.
.SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the evening then 20 knots after midnight.
Slight chance of rain showers in the evening, then chance of rain
showers after midnight. Waves 1 to 2 feet.

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

$$

LSZ146-191615-
Port Wing to Sand Island WI-
345 AM CDT Sat Apr 19 2025

.TODAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.
.TONIGHT...Southwest wind 5 knots becoming southeast in the late
evening and overnight. Mostly clear. Waves 1 foot or less.
.SUNDAY...South wind 5 knots becoming southeast late in the
morning, then becoming northeast 10 to 15 knots in the afternoon.
Mostly sunny. Waves 1 foot or less.
.SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to
20 knots early in the morning. Chance of rain showers through the
night. Waves 1 to 2 feet.

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

$$

LSZ147-191615-
Sand Island to Bayfield WI-
345 AM CDT Sat Apr 19 2025

.TODAY...West wind 5 to 10 knots becoming southwest late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...South wind 5 knots. Mostly clear. Waves 1 foot or
less.
.SUNDAY...South wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 foot or less.
.SUNDAY NIGHT...East wind 10 to 15 knots with gusts to around
20 knots. Chance of rain showers through the night. Waves 1 to
2 feet.

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

$$

LSZ121-191615-
Chequamegon Bay-Bayfield to Oak Point WI-
345 AM CDT Sat Apr 19 2025

.TODAY...Northwest wind 5 to 10 knots becoming northeast late in
the afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...East wind 5 knots becoming south after midnight.
Clear. Waves 1 foot or less.
.SUNDAY...South wind 5 knots becoming east in the afternoon.
Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...East wind 5 to 10 knots. Gusts up to 20 knots
early in the morning. Chance of rain showers in the evening, then
rain showers likely after midnight. Waves 1 to 2 feet.

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

$$

LSZ148-191615-
Oak Point to Saxon Harbor WI-
345 AM CDT Sat Apr 19 2025

.TODAY...Northwest wind 5 to 10 knots becoming southeast late in
the afternoon. Mostly sunny. Waves 1 foot or less.
.TONIGHT...Southeast wind 5 knots becoming south after midnight.
Clear. Waves 1 foot or less.
.SUNDAY...South wind 5 knots becoming east 10 to 15 knots in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...East wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Chance of rain showers in the evening, then
rain showers likely after midnight. Waves 1 to 2 feet.

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

$$

LSZ150-191615-
Outer Apostle Islands Beyond 5 NM from Mainland-
345 AM CDT Sat Apr 19 2025

.TODAY...West wind 5 to 10 knots becoming southwest late in the
afternoon. Chance of flurries early in the morning. Waves 1 to
2 feet.
.TONIGHT...South wind 5 knots. Mostly clear. Waves 1 foot or
less.
.SUNDAY...South wind 5 knots becoming east 10 to 15 knots in the
afternoon. Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...East wind 10 to 15 knots easing to 10 knots after
midnight, then becoming northeast with gusts to around 20 knots
early in the morning. Slight chance of rain showers in the
evening, then chance of rain showers after midnight. Waves 1 to
2 feet.

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

$$

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

Britt