432
FZUS53 KDLH 130318
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1017 PM CDT SUN APR 12 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.
LSZ140-131000-
GRAND PORTAGE TO GRAND MARAIS MN-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PATCHY DENSE FOG.
WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH EARLY IN THE
AFTERNOON, THEN BECOMING EAST LATE IN THE AFTERNOON. PATCHY FOG
IN THE MORNING. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. RAIN SHOWERS LIKELY
THROUGH THE NIGHT. WAVES 1 TO 3 FEET.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES 1 TO
3 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-131000-
GRAND MARAIS TO TACONITE HARBOR MN-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. PATCHY DENSE FOG THROUGH THE NIGHT. WAVES 1 TO
2 FEET.
MONDAY
WEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE
AFTERNOON, THEN BECOMING EAST LATE IN THE AFTERNOON. PATCHY FOG
IN THE MORNING. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. RAIN SHOWERS LIKELY.
WAVES 1 TO 3 FEET.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE
DAY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-131000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. PATCHY DENSE FOG THROUGH THE NIGHT. WAVES 1 FOOT
OR LESS.
MONDAY
WEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST 5 KNOTS IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG IN THE
EVENING. RAIN SHOWERS IN THE EVENING. SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE DAY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-131000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG.
WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE MORNING. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-131000-
TWO HARBORS TO DULUTH MN-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG.
WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE MORNING,
THEN BECOMING NORTHEAST IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET BUILDING TO
2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE MORNING. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-131000-
DULUTH MN TO PORT WING WI-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS. PATCHY DENSE FOG.
WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
PATCHY FOG IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. PATCHY FOG IN THE
EVENING. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
EVENING AND OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE MORNING. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-131000-
PORT WING TO SAND ISLAND WI-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS. PATCHY DENSE FOG.
WAVES 1 TO 2 FEET.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. PATCHY DENSE FOG IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE MORNING. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-131000-
SAND ISLAND TO BAYFIELD WI-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS. PATCHY DENSE FOG.
WAVES 1 TO 2 FEET.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. PATCHY DENSE FOG IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG IN THE
EVENING. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE DAY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-131000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE EVENING. PATCHY DENSE FOG THROUGH THE
NIGHT. WAVES 1 TO 2 FEET.
MONDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. PATCHY DENSE FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS AFTER MIDNIGHT, THEN DECREASING
TO 20 KNOTS EARLY IN THE MORNING. PATCHY FOG IN THE EVENING. RAIN
SHOWERS IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE
DAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE
AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-131000-
OAK POINT TO SAXON HARBOR WI-
1017 PM CDT SUN APR 12 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. PATCHY DENSE FOG IN THE LATE EVENING AND EARLY MORNING.
WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. PATCHY FOG IN THE
EVENING. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. WAVES 1 TO 3 FEET.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE MORNING. 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.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page