Nearshore Marine Forecast
Issued by NWS Duluth, MN

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295
FZUS53 KDLH 052051
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
351 PM CDT Thu Jun 5 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.

LSZ140-141-060415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
351 PM CDT Thu Jun 5 2025

.TONIGHT...Southwest wind 5 to 10 knots becoming north late in
the night. Slight chance of thunderstorms in the evening. Chance
of rain showers through the night. Areas of smoke late in the
night. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming south in the afternoon.
Slight chance of rain showers in the morning. Areas of smoke
through the day. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots becoming west in the
late evening and overnight. Areas of smoke through the night.
Waves 1 foot or less.
.SATURDAY...South wind 5 to 10 knots becoming southeast late in
the afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ142-143-060415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
351 PM CDT Thu Jun 5 2025

.TONIGHT...Northeast wind 5 knots becoming north in the late
evening and overnight. Slight chance of thunderstorms in the
evening. Chance of rain showers through the night. Areas of smoke
and patchy fog late in the night. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming southeast in the
afternoon. Areas of smoke. Slight chance of rain showers. Waves
1 foot or less.
.FRIDAY NIGHT...Southeast wind 5 knots becoming northeast in the
late evening and overnight. Areas of smoke through the night.
Waves 1 foot or less.
.SATURDAY...East wind 5 knots rising to 5 to 10 knots in the late
morning and afternoon. Slight chance of rain showers in the
afternoon. Waves 1 foot or less.

$$

LSZ144-060415-
Two Harbors to Duluth MN-
351 PM CDT Thu Jun 5 2025

.TONIGHT...Northeast wind 5 knots becoming north after midnight,
then becoming northeast late in the night. Chance of showers and
thunderstorms in the evening, then rain showers likely after
midnight. Patchy fog after midnight. Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming east in the late
morning and afternoon. Patchy fog in the morning. Areas of smoke
through the day. Rain showers likely in the morning. Slight
chance of rain showers in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 to 10 knots. Areas of smoke in
the evening. Waves 1 foot or less.
.SATURDAY...East wind 5 to 10 knots. Chance of rain showers in
the afternoon. Waves 1 foot or less.

$$

LSZ145-060415-
Duluth MN to Port Wing WI-
351 PM CDT Thu Jun 5 2025

.TONIGHT...Northeast wind 5 to 10 knots. Chance of showers and
thunderstorms in the evening, then rain showers likely after
midnight. Patchy fog after midnight. Waves 1 foot or less.
.FRIDAY...North wind 5 knots becoming east in the late morning
and afternoon. Patchy fog in the morning. Areas of smoke through
the day. Rain showers likely in the morning. Chance of rain
showers in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast wind 5 to 10 knots. Areas of smoke in
the evening. Waves 1 foot or less.
.SATURDAY...East wind 5 to 10 knots. Chance of rain showers in
the afternoon. Waves 1 foot or less.

$$

LSZ146-060415-
Port Wing to Sand Island WI-
351 PM CDT Thu Jun 5 2025

.TONIGHT...East wind 5 to 10 knots becoming north after midnight,
then becoming southeast late in the night. Slight chance of
thunderstorms in the evening. Chance of rain showers until early
morning. Rain showers likely late in the night. Patchy fog after
midnight. Waves 1 foot or less.
.FRIDAY...East wind 5 knots. Patchy fog in the morning. Areas of
smoke through the day. Chance of rain showers in the morning.
Slight chance of rain showers in the afternoon. Waves 1 foot or
less.
.FRIDAY NIGHT...East wind 5 knots. Areas of smoke in the evening.
Waves 1 foot or less.
.SATURDAY...East wind 5 to 10 knots. Chance of rain showers in
the afternoon. Waves 1 foot or less.

$$

LSZ147-060415-
Sand Island to Bayfield WI-
351 PM CDT Thu Jun 5 2025

.TONIGHT...East wind 5 to 10 knots becoming southeast late in the
evening, then becoming northwest after midnight. Chance of rain
showers and slight chance of thunderstorms in the evening, then
rain showers likely after midnight. Waves 1 foot or less.
.FRIDAY...East wind 5 knots becoming southeast late in the
morning, then becoming east in the afternoon. Areas of smoke in
the morning. Chance of rain showers in the morning, then slight
chance of rain showers in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...East wind 5 knots. Partly cloudy. Waves 1 foot or
less.
.SATURDAY...Southeast wind 5 knots becoming east in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

LSZ150-060415-
Outer Apostle Islands Beyond 5 NM from Mainland-
351 PM CDT Thu Jun 5 2025

.TONIGHT...East wind 5 to 10 knots becoming southeast late in the
evening, then becoming north after midnight. Chance of rain
showers and slight chance of thunderstorms in the evening, then
rain showers likely after midnight. Patchy fog late in the night.
Waves 1 foot or less.
.FRIDAY...Northeast wind 5 knots becoming southeast late in the
morning, then becoming east in the afternoon. Areas of smoke and
patchy fog in the morning. Chance of rain showers in the morning,
then slight chance of rain showers in the afternoon. Waves 1 foot
or less.
.FRIDAY NIGHT...East wind 5 knots becoming southeast early in the
morning. Partly cloudy. Waves 1 foot or less.
.SATURDAY...Southeast wind 5 knots becoming east in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

LSZ121-060415-
Chequamegon Bay-Bayfield to Oak Point WI-
351 PM CDT Thu Jun 5 2025

.TONIGHT...Northeast wind 5 knots becoming northwest after
midnight. Slight chance of thunderstorms in the evening. Chance
of rain showers until early morning, then rain showers likely
late in the night. Patchy fog late in the night. Waves 1 foot or
less.
.FRIDAY...Northeast wind 5 knots. Rain showers likely in the
morning, then chance of rain showers in the afternoon. Waves
1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming southeast early in the
morning. Partly cloudy. Waves 1 foot or less.
.SATURDAY...Southeast wind 5 knots rising to 5 to 10 knots in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

LSZ148-060415-
Oak Point to Saxon Harbor WI-
351 PM CDT Thu Jun 5 2025

.TONIGHT...East wind 5 knots becoming west after midnight, then
becoming northwest late in the night. Chance of rain showers and
slight chance of thunderstorms in the evening, then rain showers
likely after midnight. Patchy fog late in the night. Waves 1 foot
or less.
.FRIDAY...Northeast wind 5 knots. Rain showers likely in the
morning, then chance of rain showers in the afternoon. Waves
1 foot or less.
.FRIDAY NIGHT...East wind 5 knots becoming southeast after
midnight. Partly cloudy. Waves 1 foot or less.
.SATURDAY...Southeast wind 5 knots becoming east in the
afternoon. Slight chance of rain showers in the afternoon. Waves
1 foot or less.

$$

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

BJH