686
FZUS53 KDLH 192244
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
544 PM CDT Sun May 19 2024

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.

LSZ140-200415-
Grand Portage to Grand Marais MN-
544 PM CDT Sun May 19 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
25 knots becoming south 5 to 10 knots after midnight, then
becoming east late in the night. Chance of rain showers late in
the night. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.MONDAY...Northeast wind 5 to 10 knots. Patchy fog through the
day. Chance of rain showers through the day. Waves 1 to 2 feet.
.MONDAY NIGHT...Northeast wind 5 to 10 knots becoming north after
midnight. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Chance of rain in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon. A small craft
advisory may be needed.

$$

LSZ141>143-200415-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
544 PM CDT Sun May 19 2024

.TONIGHT...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming east in the late evening and overnight. Chance
of rain showers after midnight. Waves 1 to 3 feet.
.MONDAY...Northeast wind 10 to 15 knots. Patchy fog through the
day. Chance of rain showers through the day. Waves 1 to 2 feet.
.MONDAY NIGHT...Northeast wind 5 to 10 knots becoming north after
midnight. Mostly cloudy. Waves 1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots rising to up to 30 knots late in the afternoon. Chance
of rain and slight chance of thunderstorms in the afternoon.
Waves 1 to 2 feet building to 5 to 8 feet. Waves occasionally to
10 feet. A small craft advisory may be needed.

$$

LSZ144-145-200415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
544 PM CDT Sun May 19 2024

.TONIGHT...Southeast wind 5 to 10 knots becoming east in the late
evening and overnight. Chance of sprinkles in the evening, then
chance of rain showers after midnight. Rain showers likely and
slight chance of thunderstorms late in the night. Waves 1 foot or
less.
.MONDAY...Northeast wind 10 to 15 knots. Rain showers likely and
slight chance of thunderstorms in the morning. Patchy fog through
the day. Waves 1 to 2 feet.
.MONDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after
midnight. . Waves 1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots rising to up to 30 knots with gales to around 35 knots
late in the afternoon. Slight chance of rain in the morning, then
rain likely and chance of thunderstorms in the afternoon. Waves
1 to 2 feet building to 6 to 9 feet. Waves occasionally to
11 feet. A gale warning may be needed.

$$

LSZ146-200415-
Port Wing to Sand Island WI-
544 PM CDT Sun May 19 2024

.TONIGHT...South wind 5 to 10 knots becoming southeast in the
late evening and overnight. Chance of sprinkles in the late
evening and early morning. Chance of rain showers late in the
night. Waves 1 to 2 feet.
.MONDAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots in the afternoon. Patchy fog through the day. Rain
showers likely in the morning. Chance of rain showers in the
afternoon. Waves 1 to 2 feet.
.MONDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after
midnight. . Waves 1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots rising to up to 30 knots late in the afternoon. Slight
chance of rain in the morning, then rain likely and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet building to
5 to 8 feet. Waves occasionally to 11 feet. A small craft
advisory may be needed.

$$

LSZ147-200415-
Sand Island to Bayfield WI-
544 PM CDT Sun May 19 2024

.TONIGHT...Southwest wind 5 to 10 knots becoming southeast in the
late evening and overnight. Chance of rain showers after
midnight. Waves 1 to 2 feet.
.MONDAY...East wind 5 to 10 knots becoming northeast 10 to
15 knots in the afternoon. Patchy fog. Chance of rain showers.
Waves 1 to 2 feet.
.MONDAY NIGHT...North wind 5 to 10 knots. Patchy fog after
midnight. . Waves 1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots rising to up to 30 knots late in the afternoon. Slight
chance of rain in the morning, then rain likely and chance of
thunderstorms in the afternoon. Waves 1 to 2 feet building to
5 to 8 feet. Waves occasionally to 10 feet. A small craft
advisory may be needed.

$$

LSZ150-200415-
Outer Apostle Islands Beyond 5 NM from Mainland-
544 PM CDT Sun May 19 2024

.TONIGHT...Southwest wind 5 to 10 knots becoming southeast in the
late evening and overnight. Chance of sprinkles after midnight.
Chance of rain showers late in the night. Waves 1 to 2 feet.
.MONDAY...East wind 10 to 15 knots becoming northeast in the
afternoon. Patchy fog. Chance of rain showers. Waves 1 to 2 feet.
.MONDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog. . Waves
1 to 2 feet.
.TUESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots rising to up to 30 knots late in the afternoon. Chance
of rain and slight chance of thunderstorms in the afternoon.
Waves 1 to 2 feet building to 5 to 8 feet. Waves occasionally to
10 feet. A small craft advisory may be needed.

$$

LSZ121-200415-
Chequamegon Bay-Bayfield to Oak Point WI-
544 PM CDT Sun May 19 2024

.TONIGHT...Southeast wind 5 knots. Chance of rain showers after
midnight. Slight chance of thunderstorms late in the night. Waves
1 foot or less.
.MONDAY...East wind 5 to 10 knots becoming northeast in the
afternoon. Patchy fog through the day. Rain showers likely in the
morning. Slight chance of thunderstorms through the day. Chance
of rain showers in the afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Northeast wind 5 knots becoming north after
midnight. Mostly cloudy. Waves 1 foot or less.
.TUESDAY...Northeast wind 15 to 20 knots with gusts to around
25 knots. Slight chance of rain in the morning, then rain likely
and chance of thunderstorms in the afternoon. Waves 1 to 3 feet.

$$

LSZ148-200415-
Oak Point to Saxon Harbor WI-
544 PM CDT Sun May 19 2024

.TONIGHT...Southeast wind 5 to 10 knots. Slight chance of rain
showers after midnight. Chance of rain showers late in the night.
Waves 1 foot or less.
.MONDAY...East wind 5 to 10 knots becoming northeast in the
afternoon. Patchy fog through the day. Rain showers in the
morning. Slight chance of thunderstorms through the day. Chance
of rain showers in the afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Northeast wind 5 to 10 knots becoming north after
midnight. Mostly cloudy. Waves 1 foot or less.
.TUESDAY...Northeast wind 10 to 15 knots with gusts to around
25 knots rising to 20 to 25 knots with gusts to around 30 knots
late in the afternoon. Slight chance of rain in the morning, then
rain likely and chance of thunderstorms in the afternoon. Waves
1 foot or less building to 4 to 6 feet in the afternoon. Waves
occasionally to 8 feet. A small craft advisory may be needed.

$$

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

Britt