814
FZUS53 KDLH 081818
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
118 PM CDT WED APR 8 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.
LSZ140-082200-
GRAND PORTAGE TO GRAND MARAIS MN-
118 PM CDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY AFTERNOON...
REST OF TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS EARLY IN THE
AFTERNOON, THEN RAIN SHOWERS LATE. WAVES 2 TO 4 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS IN THE EVENING. SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET AFTER MIDNIGHT.
THURSDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY SUNNY. WAVES 3 TO 5 FEET.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-082200-
GRAND MARAIS TO TACONITE HARBOR MN-
118 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN
SHOWERS EARLY IN THE AFTERNOON, THEN RAIN SHOWERS LATE. WAVES
1 TO 3 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-082200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
118 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN
SHOWERS. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 TO 3 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 TO 3 FEET.
THURSDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST 5 KNOTS EARLY
IN THE MORNING. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-082200-
SILVER BAY HARBOR TO TWO HARBORS MN-
118 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH
LATE. RAIN SHOWERS. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET AFTER MIDNIGHT.
THURSDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING
AND AFTERNOON.
THURSDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLOUDY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-082200-
TWO HARBORS TO DULUTH MN-
118 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST LATE.
RAIN SHOWERS EARLY IN THE AFTERNOON, THEN CHANCE OF RAIN SHOWERS
LATE. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
THURSDAY
WEST WIND 15 TO 20 KNOTS EASING TO 5 TO 10 KNOTS LATE
IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLOUDY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-082200-
DULUTH MN TO PORT WING WI-
118 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST LATE.
RAIN SHOWERS EARLY IN THE AFTERNOON, THEN CHANCE OF RAIN SHOWERS
LATE. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
THURSDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE
AFTERNOON.
THURSDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLOUDY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-082200-
PORT WING TO SAND ISLAND WI-
118 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING
THROUGH THURSDAY AFTERNOON...
REST OF TODAY
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST LATE.
RAIN SHOWERS LIKELY EARLY IN THE AFTERNOON, THEN RAIN SHOWERS
LATE. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR
LESS BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND OVERNIGHT.
WAVES OCCASIONALLY TO 7 FEET.
THURSDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET IN THE
AFTERNOON.
THURSDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-082200-
SAND ISLAND TO BAYFIELD WI-
118 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING
THROUGH THURSDAY AFTERNOON...
REST OF TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
LATE. CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON, THEN RAIN
SHOWERS LIKELY LATE. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO
2 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT.
THURSDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET IN THE
AFTERNOON.
THURSDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-082200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
118 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING
THROUGH THURSDAY AFTERNOON...
REST OF TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
LATE. CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON, THEN RAIN
SHOWERS LATE. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 TO 2 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 7 FEET.
THURSDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. MOSTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 2 FEET LATE IN THE AFTERNOON.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-082200-
OAK POINT TO SAXON HARBOR WI-
118 PM CDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TODAY
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST
5 TO 10 KNOTS LATE. GUSTS UP TO 20 KNOTS. CHANCE OF RAIN SHOWERS
EARLY IN THE AFTERNOON, THEN RAIN SHOWERS LATE. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO
3 FEET.
THURSDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
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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