255
FZUS53 KDLH 072305
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
605 PM CDT TUE APR 7 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.
LSZ140-081000-
GRAND PORTAGE TO GRAND MARAIS MN-
605 PM CDT TUE APR 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING
SOUTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
CHANCE OF SNOW TOWARD DAYBREAK. WAVES 1 TO 3 FEET BUILDING TO
3 TO 5 FEET TOWARD DAYBREAK.
WEDNESDAY
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SNOW THROUGH THE DAY. RAIN IN THE AFTERNOON. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY TO 7 FEET.
WEDNESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF RAIN THROUGH THE NIGHT. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PARTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET LATE IN
THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-081000-
GRAND MARAIS TO TACONITE HARBOR MN-
605 PM CDT TUE APR 7 2026
REST OF TONIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING
AND OVERNIGHT. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. CHANCE OF
SNOW TOWARD DAYBREAK. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
TOWARD DAYBREAK.
WEDNESDAY
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING EAST 5 TO 10 KNOTS LATE IN THE AFTERNOON.
CHANCE OF SNOW AND RAIN IN THE MORNING, THEN RAIN AND SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF RAIN THROUGH THE NIGHT. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PARTLY SUNNY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE
AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-081000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
605 PM CDT TUE APR 7 2026
REST OF TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. CHANCE OF SNOW
TOWARD DAYBREAK. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN
THE AFTERNOON. CHANCE OF RAIN, SNOW AND LIGHT FREEZING RAIN IN
THE MORNING, THEN RAIN AND SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN IN THE EVENING. WAVES 1 TO
2 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-081000-
SILVER BAY HARBOR TO TWO HARBORS MN-
605 PM CDT TUE APR 7 2026
REST OF TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SNOW TOWARD DAYBREAK.
WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE
IN THE AFTERNOON. CHANCE OF RAIN, SLIGHT CHANCE OF LIGHT FREEZING
RAIN AND SNOW IN THE MORNING, THEN RAIN IN THE AFTERNOON. WAVES
1 TO 2 FEET.
WEDNESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN THROUGH THE NIGHT. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET AFTER MIDNIGHT.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PARTLY SUNNY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-081000-
TWO HARBORS TO DULUTH MN-
605 PM CDT TUE APR 7 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING
AND OVERNIGHT. SLIGHT CHANCE OF RAIN AND SNOW TOWARD DAYBREAK.
WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST LATE IN THE AFTERNOON. CHANCE OF RAIN
IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON. WAVES 1 TO
2 FEET.
WEDNESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN THROUGH THE NIGHT. WAVES 1 TO
3 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PARTLY SUNNY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE
LATE MORNING AND AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-081000-
DULUTH MN TO PORT WING WI-
605 PM CDT TUE APR 7 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING
AND OVERNIGHT. SLIGHT CHANCE OF RAIN TOWARD DAYBREAK. WAVES 1 TO
2 FEET.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. GUSTS UP TO 20 KNOTS. CHANCE OF RAIN IN THE MORNING,
THEN RAIN IN THE AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN THROUGH THE NIGHT. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
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 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-081000-
PORT WING TO SAND ISLAND WI-
605 PM CDT TUE APR 7 2026
REST OF TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS TOWARD DAYBREAK.
SLIGHT CHANCE OF RAIN AND SNOW TOWARD DAYBREAK. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE IN
THE AFTERNOON. GUSTS UP TO 20 KNOTS. CHANCE OF RAIN IN THE
MORNING, THEN RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN THROUGH THE NIGHT. WAVES 1 TO
2 FEET BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND OVERNIGHT.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
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. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-081000-
SAND ISLAND TO BAYFIELD WI-
605 PM CDT TUE APR 7 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS TOWARD DAYBREAK. SLIGHT
CHANCE OF RAIN AND SNOW TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE IN
THE AFTERNOON. GUSTS UP TO 20 KNOTS. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF
RAIN THROUGH THE NIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET
AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
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. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-081000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
605 PM CDT TUE APR 7 2026
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST WITH GUSTS TO AROUND 25 KNOTS AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN AND SNOW TOWARD DAYBREAK. WAVES
1 TO 3 FEET.
WEDNESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW AND SLIGHT CHANCE
OF RAIN IN THE MORNING, THEN RAIN IN THE AFTERNOON. WAVES 1 TO
3 FEET.
WEDNESDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF RAIN THROUGH THE NIGHT. WAVES
1 TO 3 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO
1 TO 2 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-081000-
OAK POINT TO SAXON HARBOR WI-
605 PM CDT TUE APR 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF RAIN TOWARD DAYBREAK. WAVES 1 TO
2 FEET.
WEDNESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN RAIN IN
THE AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
SOUTHWEST WIND 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE LATE EVENING AND OVERNIGHT. 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 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 1 TO
3 FEET.
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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