301
FZUS53 KMQT 181502
NSHMQT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MARQUETTE MI
1102 AM EDT MON MAY 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE
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.
LMZ221-182000-
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-
1102 AM EDT MON MAY 18 2026
REST OF TODAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS UP TO
22 KNOTS. MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS BY LATE MORNING, THEN A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS LATE. PATCHY FOG THROUGH THE DAY.
WAVES 2 TO 3 FEET.
TONIGHT
SOUTH WIND 10 TO 20 KNOTS. GUSTS UP TO 28 KNOTS AFTER
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH LATE EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS BY MIDNIGHT. PATCHY FOG THROUGH LATE EVENING. AREAS
OF DENSE FOG BY MIDNIGHT. WAVES SUBSIDING TO 1 TO 2 FEET, THEN
BUILDING TO 2 TO 4 FEET.
TUESDAY
SOUTHWEST WIND 15 TO 20 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. PATCHY DENSE FOG IN THE MORNING. CLOUDY WITH A CHANCE
OF SHOWERS IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET
OCCASIONALLY TO 7 FEET, THEN SUBSIDING TO 2 TO 4 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 20 KNOTS. MOSTLY CLOUDY.
WAVES SUBSIDING TO 1 TO 2 FEET.
LMZ248-250-182000-
SEUL CHOIX POINT TO POINT DETOUR MI-
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
1102 AM EDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
REST OF TODAY
SOUTH WIND 15 TO 20 KNOTS. CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. PATCHY FOG. WAVES 2 TO
4 FEET.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS UP TO 30 KNOTS
INCREASING TO 15 TO 25 KNOTS LATE. CLOUDY. AREAS OF DENSE FOG
THROUGH THE NIGHT. A CHANCE OF SHOWERS IN THE EVENING. A CHANCE
OF THUNDERSTORMS THROUGH THE NIGHT. SHOWERS LIKELY AFTER
MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET.
TUESDAY
SOUTHWEST WIND 20 TO 25 KNOTS VEERING NORTHWEST 15 TO
20 KNOTS IN THE AFTERNOON. CLOUDY IN THE MORNING THEN BECOMING
PARTLY CLOUDY. AREAS OF DENSE FOG IN THE MORNING. A CHANCE OF
SHOWERS. WAVES BUILDING TO 5 TO 8 FEET OCCASIONALLY TO 10 FEET,
THEN SUBSIDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. MOSTLY CLOUDY.
WAVES SUBSIDING TO 1 TO 2 FEET.
LSZ240-241-182000-
SAXON HARBOR WI TO BLACK RIVER MI-
BLACK RIVER TO ONTONAGON MI-
1102 AM EDT MON MAY 18 2026 /1002 AM CDT MON MAY 18 2026/
REST OF TODAY
NORTH WIND LESS THAN 10 KNOTS VEERING NORTHEAST
LATE. CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS. PATCHY FOG.
WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH LATE
EVENING, THEN RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
BY MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. WAVES BUILDING TO 4 TO
7 FEET OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHWEST WIND 10 TO 20 KNOTS BACKING WEST 10 TO
15 KNOTS IN THE AFTERNOON. CLOUDY. A CHANCE OF RAIN SHOWERS IN
THE MORNING. WAVES SUBSIDING TO 2 TO 3 FEET.
TUESDAY NIGHT
NORTHWEST WIND LESS THAN 10 KNOTS WITH GUSTS UP
TO 18 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES SUBSIDING TO 1 TO 2 FEET.
LSZ242-243-182000-
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
1102 AM EDT MON MAY 18 2026
REST OF TODAY
NORTHWEST WIND LESS THAN 10 KNOTS VEERING
NORTHEAST 10 TO 15 KNOTS LATE. CLOUDY. PATCHY FOG THROUGH THE
DAY. A SLIGHT CHANCE OF RAIN SHOWERS LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH LATE
EVENING, THEN RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
BY MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. WAVES BUILDING TO 3 TO
6 FEET OCCASIONALLY TO 8 FEET.
TUESDAY
NORTHWEST WIND 20 TO 25 KNOTS BACKING WEST 15 TO
20 KNOTS IN THE AFTERNOON. CLOUDY. RAIN SHOWERS LIKELY IN THE
MORNING. PATCHY FOG IN THE MORNING. WAVES BUILDING TO 4 TO 7 FEET
OCCASIONALLY TO 9 FEET, THEN SUBSIDING TO 2 TO 4 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 20 KNOTS. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES SUBSIDING TO 1 TO
2 FEET.
LSZ245-182000-
MANITOU ISLAND TO POINT ISABELLE MI-
1102 AM EDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
REST OF TODAY
WEST WIND LESS THAN 10 KNOTS VEERING NORTH 10 TO
15 KNOTS LATE. CLOUDY. PATCHY FOG THROUGH THE DAY. A SLIGHT
CHANCE OF RAIN SHOWERS LATE. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. PATCHY FOG THROUGH LATE
EVENING. AREAS OF DENSE FOG BY MIDNIGHT. PATCHY FOG LATE. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN SHOWERS
THROUGH THE NIGHT. A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WAVES BUILDING TO 2 TO 4 FEET.
TUESDAY
NORTHWEST WIND 15 TO 25 KNOTS BECOMING 20 TO 25 KNOTS
IN THE AFTERNOON. CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
MORNING. PATCHY FOG IN THE MORNING. WAVES BUILDING TO 3 TO 6 FEET
OCCASIONALLY TO 8 FEET, THEN SUBSIDING TO 3 TO 5 FEET
OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 20 KNOTS WITH GUSTS UP TO
27 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES SUBSIDING TO 2 TO 3 FEET.
LSZ244-182000-
EAGLE RIVER TO MANITOU ISLAND MI-
1102 AM EDT MON MAY 18 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
REST OF TODAY
NORTHWEST WIND LESS THAN 10 KNOTS VEERING NORTH
10 TO 15 KNOTS LATE. CLOUDY. PATCHY DENSE FOG THROUGH THE DAY. A
SLIGHT CHANCE OF RAIN SHOWERS LATE. WAVES 2 TO 4 FEET SUBSIDING
TO 2 TO 3 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 10 TO
15 KNOTS LATE. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH LATE EVENING, THEN RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS BY MIDNIGHT. PATCHY DENSE FOG
THROUGH THE NIGHT. WAVES BUILDING TO 3 TO 5 FEET OCCASIONALLY TO
7 FEET.
TUESDAY
NORTH WIND 15 TO 25 KNOTS BACKING NORTHWEST 20 TO
25 KNOTS IN THE AFTERNOON. CLOUDY. RAIN SHOWERS LIKELY IN THE
MORNING. PATCHY FOG IN THE MORNING. WAVES BUILDING TO 4 TO 7 FEET
OCCASIONALLY TO 9 FEET, THEN SUBSIDING TO 3 TO 6 FEET
OCCASIONALLY TO 8 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 20 KNOTS WITH GUSTS UP TO
27 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES SUBSIDING TO 2 TO 4 FEET.
LSZ246-182000-
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-
1102 AM EDT MON MAY 18 2026
REST OF TODAY
WEST WIND LESS THAN 10 KNOTS VEERING NORTH LATE.
CLOUDY. PATCHY FOG THROUGH THE DAY. A SLIGHT CHANCE OF RAIN
SHOWERS LATE. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT,
THEN RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS LATE.
PATCHY FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 10 TO 20 KNOTS BECOMING 15 TO 20 KNOTS
IN THE AFTERNOON. CLOUDY. PATCHY FOG IN THE MORNING. RAIN SHOWERS
LIKELY IN THE MORNING, THEN A SLIGHT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET, THEN SUBSIDING TO
2 TO 3 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 20 KNOTS. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES SUBSIDING TO 1 TO
2 FEET.
LSZ247-182000-
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-
1102 AM EDT MON MAY 18 2026
REST OF TODAY
NORTHWEST WIND LESS THAN 10 KNOTS VEERING
NORTHEAST LATE. CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS BY LATE
MORNING, THEN A CHANCE OF RAIN SHOWERS LATE. PATCHY FOG LATE.
WAVES 2 TO 3 FEET SUBSIDING TO 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH LATE EVENING, THEN
RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS BY MIDNIGHT.
PATCHY FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 10 TO 20 KNOTS. CLOUDY. A CHANCE OF
RAIN SHOWERS IN THE MORNING. PATCHY FOG IN THE MORNING. WAVES
BUILDING TO 2 TO 4 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 20 KNOTS. MOSTLY CLOUDY.
WAVES SUBSIDING TO 1 TO 2 FEET.
LSZ248-182000-
HURON ISLANDS TO MARQUETTE MI-
1102 AM EDT MON MAY 18 2026
REST OF TODAY
WEST WIND 10 TO 15 KNOTS VEERING NORTH LATE.
CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS BY LATE MORNING, THEN A
CHANCE OF RAIN SHOWERS LATE. PATCHY FOG THROUGH THE DAY. WAVES
2 TO 3 FEET SUBSIDING TO 1 TO 2 FEET.
TONIGHT
NORTH WIND LESS THAN 10 KNOTS VEERING SOUTHEAST LATE.
GUSTS UP TO 18 KNOTS. PATCHY FOG THROUGH THE NIGHT. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN SHOWERS LIKELY
THROUGH THE NIGHT. A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WAVES BUILDING TO 2 TO 3 FEET.
TUESDAY
NORTHWEST WIND 15 TO 25 KNOTS. MOSTLY CLOUDY. A CHANCE
OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. PATCHY FOG IN THE MORNING. WAVES BUILDING TO 4 TO 7 FEET
OCCASIONALLY TO 9 FEET.
TUESDAY NIGHT
NORTHWEST WIND 15 TO 25 KNOTS. MOSTLY CLOUDY.
WAVES SUBSIDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
LSZ249-182000-
MARQUETTE TO MUNISING MI-
1102 AM EDT MON MAY 18 2026
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS VEERING NORTHWEST
LATE. MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS BY LATE MORNING,
THEN A CHANCE OF SHOWERS LATE. PATCHY FOG THROUGH THE DAY. WAVES
1 TO 2 FEET.
TONIGHT
NORTHWEST WIND LESS THAN 10 KNOTS BACKING WEST BY
MIDNIGHT, THEN BACKING SOUTH 5 TO 15 KNOTS LATE. CLOUDY. A CHANCE
OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. PATCHY
FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND UP TO 30 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF
RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN A SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
BUILDING TO 7 TO 10 FEET OCCASIONALLY TO 13 FEET, THEN SUBSIDING
TO 6 TO 9 FEET OCCASIONALLY TO 11 FEET.
TUESDAY NIGHT
NORTHWEST WIND UP TO 30 KNOTS. MOSTLY CLOUDY.
WAVES SUBSIDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET.
LSZ250-182000-
MUNISING TO GRAND MARAIS MI-
1102 AM EDT MON MAY 18 2026
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS VEERING NORTHWEST
LESS THAN 10 KNOTS LATE. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS. PATCHY FOG. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND LESS THAN 10 KNOTS VEERING SOUTH 5 TO
15 KNOTS BY MIDNIGHT. CLOUDY. PATCHY FOG THROUGH THE NIGHT. A
CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 15 TO 25 KNOTS VEERING NORTHWEST UP TO
30 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. PATCHY FOG IN THE
MORNING. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING, THEN A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET OCCASIONALLY TO
13 FEET.
TUESDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. MOSTLY CLOUDY.
WAVES SUBSIDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET.
LSZ251-182000-
GRAND MARAIS TO WHITEFISH POINT MI-
1102 AM EDT MON MAY 18 2026
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST LESS
THAN 10 KNOTS LATE. CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
PATCHY FOG. WAVES 2 TO 3 FEET SUBSIDING TO 1 TO 2 FEET.
TONIGHT
SOUTHEAST WIND 5 TO 15 KNOTS. CLOUDY. PATCHY FOG
THROUGH THE NIGHT. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. A CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO 1 FOOT.
TUESDAY
SOUTH WIND 15 TO 25 KNOTS VEERING WEST UP TO 30 KNOTS
IN THE AFTERNOON. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. RAIN
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES BUILDING TO 7 TO 10 FEET OCCASIONALLY TO 13 FEET.
TUESDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. MOSTLY CLOUDY.
WAVES SUBSIDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET.
WFO MQT
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page