277
FZUS53 KDLH 301011
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
511 AM CDT MON MAR 30 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.
LSZ140-301600-
GRAND PORTAGE TO GRAND MARAIS MN-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS RISING TO 15 TO 20 KNOTS
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW LATE IN THE AFTERNOON.
WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING. CHANCE OF
SNOW SHOWERS AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF SNOW SHOWERS THROUGH THE NIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-301600-
GRAND MARAIS TO TACONITE HARBOR MN-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST 15 TO
20 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.
TONIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 7 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 5 TO 10 KNOTS LATE IN THE AFTERNOON. SNOW
SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
EARLY IN THE MORNING. CHANCE OF SNOW SHOWERS THROUGH THE NIGHT.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-301600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS RISING TO 15 TO 20 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE EVENING, THEN DECREASING TO
25 KNOTS AFTER MIDNIGHT. CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE AFTERNOON, THEN
BECOMING NORTHWEST LATE IN THE AFTERNOON. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
EARLY IN THE MORNING. CHANCE OF SNOW SHOWERS IN THE EVENING.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-301600-
SILVER BAY HARBOR TO TWO HARBORS MN-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 5 KNOTS RISING TO 15 TO 20 KNOTS WITH
GUSTS TO AROUND 25 KNOTS IN THE LATE MORNING AND AFTERNOON.
MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN THE
AFTERNOON.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF RAIN SHOWERS, LIGHT FREEZING RAIN AND SNOW
SHOWERS AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO
9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE AFTERNOON, THEN
BECOMING NORTHWEST LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS AND LIGHT FREEZING RAIN IN THE MORNING. CHANCE OF SNOW
SHOWERS THROUGH THE DAY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO
8 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-301600-
TWO HARBORS TO DULUTH MN-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 4 TO
6 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO
9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 5 TO 10 KNOTS EARLY IN THE AFTERNOON,
THEN BECOMING NORTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS AND LIGHT FREEZING RAIN IN THE
MORNING. CHANCE OF SNOW SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 4 TO 6 FEET SUBSIDING TO
2 TO 4 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO 8 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 TO 10 KNOTS EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-301600-
DULUTH MN TO PORT WING WI-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 4 TO
6 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF RAIN SHOWERS, LIGHT FREEZING RAIN AND SLIGHT
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES
OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EARLY IN THE AFTERNOON, THEN BECOMING NORTHWEST WITH GUSTS TO
AROUND 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN SHOWERS,
SNOW SHOWERS AND LIGHT FREEZING RAIN IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE AFTERNOON. WAVES
4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 8 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 TO 10 KNOTS EARLY IN THE
MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-301600-
PORT WING TO SAND ISLAND WI-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 5 KNOTS RISING TO 15 TO 20 KNOTS WITH
GUSTS TO AROUND 25 KNOTS IN THE LATE MORNING AND AFTERNOON.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS BUILDING TO 3 TO 5 FEET IN
THE AFTERNOON.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS, LIGHT FREEZING RAIN AND SLIGHT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 10 KNOTS EARLY IN THE AFTERNOON, THEN
BECOMING NORTHWEST LATE IN THE AFTERNOON. CHANCE OF RAIN SHOWERS
AND LIGHT FREEZING RAIN IN THE MORNING. CHANCE OF SNOW SHOWERS
THROUGH THE DAY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET AFTER MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-301600-
SAND ISLAND TO BAYFIELD WI-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS, LIGHT FREEZING RAIN AND SLIGHT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH EARLY IN THE AFTERNOON, THEN BECOMING
NORTHWEST LATE IN THE AFTERNOON. CHANCE OF RAIN SHOWERS, SNOW
SHOWERS AND LIGHT FREEZING RAIN IN THE MORNING, THEN SLIGHT
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-301600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 4 TO
6 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
EAST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS, SLIGHT CHANCE OF LIGHT FREEZING RAIN AND SNOW SHOWERS
AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING NORTHWEST WITH
GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN
SHOWERS AND LIGHT FREEZING RAIN IN THE MORNING. CHANCE OF SNOW
SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 TO 10 KNOTS EARLY IN THE
MORNING. SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-301600-
OAK POINT TO SAXON HARBOR WI-
511 AM CDT MON MAR 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH TUESDAY EVENING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS RISING TO 15 TO 20 KNOTS
WITH GUSTS TO AROUND 30 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET BUILDING TO 4 TO 6 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTH 5 TO 10 KNOTS IN THE AFTERNOON. CHANCE OF
LIGHT FREEZING RAIN IN THE MORNING. CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS THROUGH THE DAY. WAVES 3 TO 5 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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