404
FZUS53 KDLH 082309
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
609 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.
LSZ140-091000-
GRAND PORTAGE TO GRAND MARAIS MN-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN EARLY IN THE EVENING. SLIGHT CHANCE OF
RAIN AND SNOW LATE IN THE EVENING, THEN CHANCE OF RAIN 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
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-091000-
GRAND MARAIS TO TACONITE HARBOR MN-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF RAIN IN THE EVENING. SLIGHT CHANCE OF RAIN
AFTER MIDNIGHT. 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
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
AFTER MIDNIGHT. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-091000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING INCREASING TO 25 KNOTS, THEN
DECREASING TO 20 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF RAIN
EARLY IN THE EVENING. CHANCE OF RAIN LATE 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.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-091000-
SILVER BAY HARBOR TO TWO HARBORS MN-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF RAIN EARLY IN THE EVENING.
CHANCE OF RAIN LATE 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
NORTHWEST WIND 5 KNOTS. MOSTLY CLOUDY IN THE
EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-091000-
TWO HARBORS TO DULUTH MN-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN LATE 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
NORTHWEST WIND 5 KNOTS. MOSTLY CLOUDY IN THE
EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-091000-
DULUTH MN TO PORT WING WI-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN
LATE 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 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.
FRIDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-091000-
PORT WING TO SAND ISLAND WI-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING
THROUGH THURSDAY MORNING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF RAIN EARLY IN THE EVENING. SLIGHT
CHANCE OF RAIN LATE 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 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.
FRIDAY
WEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-091000-
SAND ISLAND TO BAYFIELD WI-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING
THROUGH THURSDAY MORNING...
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN EARLY IN THE EVENING. SLIGHT CHANCE OF
RAIN LATE 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 WITH GUSTS TO AROUND 20 KNOTS 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.
FRIDAY
WEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-091000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING
THROUGH THURSDAY MORNING...
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF RAIN IN THE EVENING. SLIGHT CHANCE OF
SNOW LATE 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 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 2 FEET LATE IN THE
AFTERNOON.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-091000-
OAK POINT TO SAXON HARBOR WI-
609 PM CDT WED APR 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT THURSDAY THROUGH
THURSDAY MORNING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF RAIN 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.
FRIDAY
WEST WIND 5 KNOTS. SUNNY. 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page