FZUS53 KDLH 062113
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
413 PM CDT Wed May 6 2026

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.

LSZ140-070400-
Grand Portage to Grand Marais MN-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 to 10 knots. Mostly cloudy. Waves 1 to
2 feet.
.THURSDAY...West wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the afternoon. Partly
sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots easing to 5 to
10 knots after midnight. Partly cloudy. Waves 1 to 3 feet.
.FRIDAY...Southwest wind 15 to 20 knots. Mostly sunny. Waves 1 to
2 feet building to 1 to 3 feet in the afternoon.

$$

LSZ141-070400-
Grand Marais to Taconite Harbor MN-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 to 10 knots. Slight chance of rain showers
early in the evening. Waves 1 foot or less.
.THURSDAY...West wind 5 to 10 knots becoming southwest in the
afternoon. Mostly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 5 to 10 knots becoming northwest
after midnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...West wind 5 to 10 knots becoming southwest in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

LSZ142-070400-
Taconite Harbor to Silver Bay Harbor MN-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 knots. Mostly cloudy then becoming partly
cloudy late in the evening then becoming mostly cloudy then
becoming partly cloudy late in the night. Waves 1 foot or less.
.THURSDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...Northwest wind 5 knots until early morning
becoming variable 10 knots or less. Mostly clear. Waves 1 foot or
less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ143-070400-
Silver Bay Harbor to Two Harbors MN-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 knots. Mostly cloudy until early morning
then becoming partly cloudy. Waves 1 foot or less.
.THURSDAY...West wind 5 knots. Slight chance of snow showers in
the morning. Slight chance of rain showers through the day. Waves
1 foot or less.
.THURSDAY NIGHT...West wind 5 knots in the evening becoming
variable 10 knots or less, then becoming west 5 knots early in
the morning. Mostly clear. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ144-070400-
Two Harbors to Duluth MN-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 to 10 knots. Mostly cloudy early in the
evening then becoming partly cloudy. Waves 1 foot or less.
.THURSDAY...West wind 5 to 10 knots. Slight chance of rain
showers. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves
1 foot or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ145-070400-
Duluth MN to Port Wing WI-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 to 10 knots. Mostly cloudy in the evening
then becoming partly cloudy. Waves 1 foot or less.
.THURSDAY...West wind 5 to 10 knots. Slight chance of rain
showers. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots. Mostly clear.
Waves 1 foot or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ146-070400-
Port Wing to Sand Island WI-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 knots. Mostly cloudy until early morning
then becoming partly cloudy. Waves 1 foot or less.
.THURSDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.FRIDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or
less.

$$

LSZ147-070400-
Sand Island to Bayfield WI-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 knots. Mostly cloudy. Waves 1 foot or
less.
.THURSDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...Southwest wind 5 knots. Mostly clear. Waves
1 foot or less.
.FRIDAY...Southwest wind 5 knots. Mostly sunny. Waves 1 foot or
less.

$$

LSZ150-070400-
Outer Apostle Islands Beyond 5 NM from Mainland-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 to 10 knots. Mostly cloudy. Waves 1 foot
or less.
.THURSDAY...West wind 5 knots becoming southwest late in the
afternoon. Mostly sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest wind 5 knots becoming west after
midnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
1 foot or less.

$$

LSZ121-070400-
Chequamegon Bay-Bayfield to Oak Point WI-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 to 10 knots. Mostly cloudy then becoming
partly cloudy late in the evening then becoming mostly cloudy
then becoming partly cloudy late in the night. Waves 1 foot or
less.
.THURSDAY...West wind 5 to 10 knots becoming northwest late in
the afternoon. Slight chance of snow showers in the morning.
Slight chance of rain showers through the day. Waves 1 foot or
less.
.THURSDAY NIGHT...North wind 5 knots becoming southwest in the
late evening and overnight. Mostly clear. Waves 1 foot or less.
.FRIDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or
less.

$$

LSZ148-070400-
Oak Point to Saxon Harbor WI-
413 PM CDT Wed May 6 2026

.TONIGHT...West wind 5 to 10 knots. Mostly cloudy then becoming
partly cloudy late in the evening then becoming mostly cloudy
then becoming partly cloudy late in the night. Waves 1 foot or
less.
.THURSDAY...West wind 5 knots becoming northwest early in the
afternoon, then becoming northeast late in the afternoon. Mostly
sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast wind 5 knots becoming southwest in
the late evening and overnight. Mostly clear. Waves 1 foot or
less.
.FRIDAY...Southwest wind 5 knots rising to 5 to 10 knots in the
afternoon. Mostly sunny. Waves 1 foot or less.

$$

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

WFO DLH