Nearshore Marine Forecast
Issued by NWS Duluth, MN

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FZUS53 KDLH 152050
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
350 PM CDT Sun Jun 15 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.

LSZ140-141-160415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
350 PM CDT Sun Jun 15 2025

.TONIGHT...Northeast wind 5 knots. Slight chance of rain showers
late in the night. Waves 1 foot or less.
.MONDAY...East wind 5 knots becoming southeast in the late
morning and afternoon. Chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
early in the morning. Rain showers with thunderstorms likely in
the evening, then chance of showers and thunderstorms after
midnight. Waves 1 to 2 feet.
.TUESDAY...West wind 10 to 15 knots. Slight chance of rain
showers in the morning. Chance of rain showers in the afternoon.
Waves 1 to 2 feet.

$$

LSZ142-143-160415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
350 PM CDT Sun Jun 15 2025

.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of showers
and thunderstorms after midnight. Waves 1 to 2 feet.
.MONDAY...East wind 5 to 10 knots. Chance of rain showers through
the day. Chance of thunderstorms in the afternoon. Waves 1 foot
or less.
.MONDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest
after midnight, then becoming west early in the morning. Rain
showers with thunderstorms likely in the evening, then chance of
rain showers and slight chance of thunderstorms after midnight.
Waves 1 foot or less.
.TUESDAY...West wind 5 to 10 knots. Slight chance of rain showers
in the afternoon. Waves 1 foot or less.

$$

LSZ144-145-160415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
350 PM CDT Sun Jun 15 2025

.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain
showers after midnight. Slight chance of thunderstorms after
midnight. Chance of rain showers late in the night. Waves 1 to
2 feet.
.MONDAY...Northeast wind 5 to 10 knots. Patchy fog in the
morning. Chance of rain showers and slight chance of
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. Waves 1 to 2 feet.
.MONDAY NIGHT...Northeast wind 5 to 10 knots becoming west after
midnight. Rain showers with thunderstorms likely in the evening,
then chance of rain showers and slight chance of thunderstorms
after midnight. Waves 1 foot or less.
.TUESDAY...West wind 5 to 10 knots. Slight chance of rain showers
in the afternoon. Waves 1 foot or less.

$$

LSZ146-160415-
Port Wing to Sand Island WI-
350 PM CDT Sun Jun 15 2025

.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain
showers after midnight. Slight chance of thunderstorms after
midnight. Chance of rain showers late in the night. Waves 1 to
2 feet.
.MONDAY...Northeast wind 5 to 10 knots. Chance of rain showers
and slight chance of thunderstorms in the morning, then rain
showers likely and chance of thunderstorms in the afternoon.
Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 to 10 knots becoming west after
midnight. Rain showers with thunderstorms likely in the evening,
then chance of showers and thunderstorms after midnight. Waves
1 foot or less.
.TUESDAY...West wind 5 to 10 knots. Slight chance of rain showers
in the afternoon. Waves 1 foot or less.

$$

LSZ147-160415-
Sand Island to Bayfield WI-
350 PM CDT Sun Jun 15 2025

.TONIGHT...Northeast wind 5 knots. Chance of rain showers and
slight chance of thunderstorms late in the night. Waves 1 foot or
less.
.MONDAY...Northeast wind 5 knots rising to 5 to 10 knots. Chance
of rain showers and slight chance of thunderstorms in the
morning, then rain showers likely and chance of thunderstorms in
the afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Southeast wind 5 to 10 knots becoming southwest
after midnight. Rain showers with thunderstorms likely in the
evening, then rain showers likely and chance of thunderstorms
after midnight. Waves 1 foot or less.
.TUESDAY...West wind 5 to 10 knots. Slight chance of rain showers
in the afternoon. Waves 1 foot or less.

$$

LSZ150-160415-
Outer Apostle Islands Beyond 5 NM from Mainland-
350 PM CDT Sun Jun 15 2025

.TONIGHT...Northeast wind 5 to 10 knots. Slight chance of showers
and thunderstorms late in the night. Waves 1 foot or less.
.MONDAY...Northeast wind 5 knots becoming southeast late in the
morning, then becoming east in the afternoon. Chance of rain
showers in the morning, then rain showers likely and chance of
thunderstorms in the afternoon. Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 to 10 knots becoming southeast late
in the evening, then becoming southwest after midnight. Rain
showers with thunderstorms likely in the evening, then rain
showers likely and chance of thunderstorms after midnight. Waves
1 to 2 feet.
.TUESDAY...West wind 5 to 10 knots. Slight chance of rain
showers. Waves 1 foot or less.

$$

LSZ121-160415-
Chequamegon Bay-Bayfield to Oak Point WI-
350 PM CDT Sun Jun 15 2025

.TONIGHT...Northeast wind 5 knots. Chance of rain showers and
slight chance of thunderstorms late in the night. Waves 1 foot or
less.
.MONDAY...Northeast wind 5 knots becoming east in the late
morning and afternoon. Slight chance of thunderstorms in the
morning. Chance of rain showers through the day. Chance of
thunderstorms in the afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Southeast wind 5 to 10 knots becoming southwest
after midnight. Rain showers in the evening. Chance of
thunderstorms through the night. Rain showers likely after
midnight. Waves 1 foot or less.
.TUESDAY...West wind 5 to 10 knots. Slight chance of rain showers
through the day. Slight chance of thunderstorms in the afternoon.
Waves 1 foot or less.

$$

LSZ148-160415-
Oak Point to Saxon Harbor WI-
350 PM CDT Sun Jun 15 2025

.TONIGHT...North wind 5 knots. Chance of rain showers and slight
chance of thunderstorms late in the night. Waves 1 foot or less.
.MONDAY...Northeast wind 5 knots becoming southeast late in the
morning, then becoming east in the afternoon. Chance of rain
showers and slight chance of thunderstorms in the morning, then
rain showers likely and chance of thunderstorms in the afternoon.
Waves 1 foot or less.
.MONDAY NIGHT...East wind 5 to 10 knots becoming southwest in the
late evening and early morning, then becoming west early in the
morning. Rain showers in the evening. Chance of thunderstorms
through the night. Rain showers likely after midnight. Waves
1 foot or less.
.TUESDAY...West wind 5 to 10 knots. Slight chance of rain showers
through the day. Slight chance of thunderstorms in the afternoon.
Waves 1 foot or less.

$$

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

LE