586  
FZUS53 KMQT 180302  
NSHMQT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MARQUETTE MI  
1102 PM EDT SUN MAY 17 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.  
 
LMZ221-180800-  
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND  
PASSAGE-  
1102 PM EDT SUN MAY 17 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT MONDAY THROUGH  
MONDAY EVENING...  
   
REST OF TONIGHT  
EAST WIND 10 TO 15 KNOTS VEERING SOUTHEAST  
LATE. GUSTS UP TO 23 KNOTS. CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 2 TO 4 FEET.    
MONDAY  
SOUTH WIND 10 TO 20 KNOTS. CLOUDY. A CHANCE OF SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MID MORNING, THEN A  
CHANCE OF SHOWERS BY LATE MORNING. WAVES 2 TO 4 FEET.    
MONDAY NIGHT  
EAST WIND 10 TO 15 KNOTS VEERING SOUTHEAST 10 TO  
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE EVENING, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT. WAVES SUBSIDING TO 2 TO 3 FEET, THEN BUILDING TO 2 TO  
4 FEET.    
TUESDAY  
SOUTHWEST WIND 15 TO 25 KNOTS VEERING WEST 15 TO  
20 KNOTS IN THE AFTERNOON. CLOUDY WITH SHOWERS LIKELY AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN PARTLY CLOUDY  
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES 2 TO 4 FEET.  
 
 
 
LMZ248-250-180800-  
SEUL CHOIX POINT TO POINT DETOUR MI-  
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING  
 
   
REST OF TONIGHT  
EAST WIND 15 TO 20 KNOTS VEERING SOUTHEAST  
LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS BY MIDNIGHT, THEN  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS LATE. WAVES 3 TO  
5 FEET OCCASIONALLY TO 7 FEET.    
MONDAY  
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS UP TO 27 KNOTS.  
CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS  
THROUGH MID MORNING, THEN A CHANCE OF SHOWERS BY LATE MORNING.  
WAVES BUILDING TO 5 TO 8 FEET OCCASIONALLY TO 10 FEET, THEN  
SUBSIDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET.    
MONDAY NIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 15 TO  
25 KNOTS AFTER MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND A CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET  
OCCASIONALLY TO 7 FEET, THEN BUILDING TO 3 TO 6 FEET OCCASIONALLY  
TO 8 FEET.    
TUESDAY  
SOUTHWEST WIND 20 TO 25 KNOTS VEERING WEST 15 TO  
25 KNOTS IN THE AFTERNOON. CLOUDY WITH SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET,  
THEN SUBSIDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.  
 
 
 
LSZ240-241-180800-  
SAXON HARBOR WI TO BLACK RIVER MI-  
BLACK RIVER TO ONTONAGON MI-  
1102 PM EDT SUN MAY 17 2026 /1002 PM CDT SUN MAY 17 2026/  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT /1 AM CDT/  
MONDAY...  
   
REST OF TONIGHT  
EAST WIND 5 TO 15 KNOTS. RAIN SHOWERS AND A  
CHANCE OF THUNDERSTORMS BY MIDNIGHT, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE. WAVES 3 TO 5 FEET OCCASIONALLY TO 7 FEET  
SUBSIDING TO 2 TO 3 FEET.    
MONDAY  
WEST WIND LESS THAN 10 KNOTS VEERING NORTHEAST 5 TO  
15 KNOTS LATE. CLOUDY. A CHANCE OF RAIN SHOWERS THROUGH MID  
MORNING, THEN A SLIGHT CHANCE OF RAIN SHOWERS BY LATE MORNING.  
WAVES SUBSIDING TO 1 TO 2 FEET, THEN BUILDING TO 2 TO 3 FEET.    
MONDAY NIGHT  
NORTHEAST WIND 10 TO 20 KNOTS. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO  
5 TO 8 FEET OCCASIONALLY TO 10 FEET.    
TUESDAY  
NORTH WIND 15 TO 25 KNOTS BACKING WEST 10 TO 20 KNOTS  
IN THE AFTERNOON. CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING.  
WAVES BUILDING TO 6 TO 9 FEET OCCASIONALLY TO 11 FEET, THEN  
SUBSIDING TO 2 TO 4 FEET.  
 
 
 
LSZ242-243-180800-  
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-  
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT MONDAY  
 
   
REST OF TONIGHT  
EAST WIND 10 TO 20 KNOTS BECOMING 10 TO  
15 KNOTS LATE. CLOUDY WITH RAIN SHOWERS AND A CHANCE OF  
THUNDERSTORMS. WAVES 2 TO 3 FEET.    
MONDAY  
SOUTHWEST WIND LESS THAN 10 KNOTS VEERING NORTH 10 TO  
15 KNOTS LATE. CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH  
MID MORNING. A SLIGHT CHANCE OF RAIN SHOWERS LATE. WAVES  
SUBSIDING TO 1 TO 2 FEET, THEN BUILDING TO 2 TO 3 FEET.    
MONDAY NIGHT  
NORTHEAST WIND 10 TO 20 KNOTS. A CHANCE OF RAIN  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN  
RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
WAVES BUILDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET.    
TUESDAY  
NORTH WIND 20 TO 25 KNOTS BACKING NORTHWEST 15 TO  
25 KNOTS IN THE AFTERNOON. CLOUDY. RAIN SHOWERS LIKELY IN THE  
MORNING. WAVES BUILDING TO 7 TO 10 FEET OCCASIONALLY TO 13 FEET,  
THEN SUBSIDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.  
 
 
 
LSZ244-245-180800-  
EAGLE RIVER TO MANITOU ISLAND MI-  
MANITOU ISLAND TO POINT ISABELLE MI-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON  
 
   
REST OF TONIGHT  
EAST WIND 10 TO 20 KNOTS WITH GUSTS UP TO  
28 KNOTS. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS BY MIDNIGHT, THEN RAIN SHOWERS AND A CHANCE OF  
THUNDERSTORMS LATE. WAVES 2 TO 4 FEET BUILDING TO 3 TO 6 FEET  
OCCASIONALLY TO 8 FEET.    
MONDAY  
SOUTH WIND 5 TO 15 KNOTS VEERING NORTHWEST 10 TO  
15 KNOTS BY LATE MORNING, THEN VEERING NORTH LATE. CLOUDY. A  
CHANCE OF RAIN SHOWERS THROUGH MID MORNING. A SLIGHT CHANCE OF  
RAIN SHOWERS LATE. WAVES SUBSIDING TO 2 TO 4 FEET.    
MONDAY NIGHT  
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO  
27 KNOTS. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO 4 TO  
7 FEET OCCASIONALLY TO 9 FEET.    
TUESDAY  
NORTH WIND 20 TO 25 KNOTS BACKING NORTHWEST IN THE  
AFTERNOON. CLOUDY. RAIN SHOWERS IN THE MORNING. WAVES BUILDING TO  
7 TO 10 FEET OCCASIONALLY TO 13 FEET, THEN SUBSIDING TO 5 TO  
8 FEET OCCASIONALLY TO 10 FEET.  
 
 
 
LSZ246-180800-  
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT MONDAY  
 
   
REST OF TONIGHT  
EAST WIND 10 TO 20 KNOTS. CLOUDY WITH RAIN  
SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET BUILDING  
TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.    
MONDAY  
SOUTH WIND 5 TO 15 KNOTS VEERING WEST BY LATE MORNING,  
THEN VEERING NORTH 10 TO 15 KNOTS LATE. CLOUDY. A SLIGHT CHANCE  
OF RAIN SHOWERS THROUGH MID MORNING. A SLIGHT CHANCE OF RAIN  
SHOWERS LATE. WAVES SUBSIDING TO 1 TO 2 FEET.    
MONDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
22 KNOTS. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO  
3 FEET.    
TUESDAY  
NORTH WIND 15 TO 25 KNOTS BACKING NORTHWEST 15 TO  
20 KNOTS IN THE AFTERNOON. CLOUDY. RAIN SHOWERS IN THE MORNING.  
WAVES BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET, THEN  
SUBSIDING TO 2 TO 3 FEET.  
 
 
 
LSZ247-180800-  
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING  
KEWEENAW AND HURON BAYS-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT MONDAY  
 
   
REST OF TONIGHT  
EAST WIND 10 TO 20 KNOTS BECOMING 10 TO  
15 KNOTS LATE. CLOUDY WITH RAIN SHOWERS AND A CHANCE OF  
THUNDERSTORMS. WAVES 2 TO 4 FEET BUILDING TO 3 TO 6 FEET  
OCCASIONALLY TO 8 FEET, THEN SUBSIDING TO 3 TO 5 FEET  
OCCASIONALLY TO 7 FEET.    
MONDAY  
SOUTHWEST WIND LESS THAN 10 KNOTS VEERING NORTH LATE.  
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS THROUGH MID MORNING, THEN  
A SLIGHT CHANCE OF RAIN SHOWERS BY LATE MORNING. WAVES SUBSIDING  
TO 1 TO 2 FEET.    
MONDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. A CHANCE OF RAIN  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN  
RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
WAVES BUILDING TO 2 TO 4 FEET.    
TUESDAY  
NORTH WIND 15 TO 20 KNOTS BACKING NORTHWEST IN THE  
AFTERNOON. GUSTS UP TO 28 KNOTS. CLOUDY. RAIN SHOWERS LIKELY AND  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES BUILDING  
TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET, THEN SUBSIDING TO 2 TO  
4 FEET.  
 
 
 
LSZ248-180800-  
HURON ISLANDS TO MARQUETTE MI-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY  
 
   
REST OF TONIGHT  
SOUTHEAST WIND 10 TO 20 KNOTS WITH GUSTS UP TO  
27 KNOTS. RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO  
4 FEET BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET, THEN  
SUBSIDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.    
MONDAY  
SOUTH WIND 10 TO 15 KNOTS VEERING NORTHWEST BY LATE  
MORNING, THEN VEERING NORTH LATE. CLOUDY. A SLIGHT CHANCE OF RAIN  
SHOWERS THROUGH EARLY AFTERNOON, THEN A CHANCE OF RAIN SHOWERS  
LATE. WAVES SUBSIDING TO 1 TO 2 FEET, THEN BUILDING TO 2 TO  
3 FEET.    
MONDAY NIGHT  
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST AFTER  
MIDNIGHT. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO  
2 FEET, THEN BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.    
TUESDAY  
NORTHWEST WIND 15 TO 25 KNOTS INCREASING TO UP TO  
30 KNOTS IN THE AFTERNOON. CLOUDY. RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES BUILDING TO 5 TO  
8 FEET OCCASIONALLY TO 10 FEET.  
 
 
 
LSZ249-180800-  
MARQUETTE TO MUNISING MI-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY  
 
   
REST OF TONIGHT  
SOUTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO  
27 KNOTS. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS BY  
MIDNIGHT, THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS LATE.  
WAVES 2 TO 4 FEET SUBSIDING TO 2 TO 3 FEET.    
MONDAY  
SOUTH WIND 10 TO 20 KNOTS VEERING SOUTHWEST 10 TO  
15 KNOTS BY LATE MORNING, THEN VEERING NORTHWEST LATE. CLOUDY. A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH  
MID MORNING, THEN A CHANCE OF SHOWERS BY LATE MORNING. WAVES  
SUBSIDING TO 1 TO 2 FEET, THEN BUILDING TO 2 TO 3 FEET.    
MONDAY NIGHT  
NORTHWEST WIND 5 TO 15 KNOTS. CLOUDY. A CHANCE OF  
RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING,  
THEN RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT. WAVES SUBSIDING TO 1 TO 2 FEET, THEN BUILDING TO 2 TO  
4 FEET.    
TUESDAY  
WEST WIND UP TO 30 KNOTS VEERING NORTHWEST IN THE  
AFTERNOON. MOSTLY CLOUDY. RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET  
OCCASIONALLY TO 13 FEET.  
 
 
 
LSZ250-180800-  
MUNISING TO GRAND MARAIS MI-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT MONDAY  
 
   
REST OF TONIGHT  
SOUTHEAST WIND 20 TO 25 KNOTS BECOMING 15 TO  
25 KNOTS LATE. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS BY  
MIDNIGHT, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS LATE. WAVES  
2 TO 4 FEET.    
MONDAY  
SOUTH WIND 15 TO 20 KNOTS VEERING SOUTHWEST 10 TO  
15 KNOTS BY LATE MORNING, THEN VEERING NORTHWEST LATE. CLOUDY. A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH  
MID MORNING, THEN A SLIGHT CHANCE OF SHOWERS BY LATE MORNING. A  
CHANCE OF SHOWERS LATE. WAVES SUBSIDING TO 1 TO 2 FEET.    
MONDAY NIGHT  
WEST WIND LESS THAN 10 KNOTS BACKING SOUTHEAST  
5 TO 15 KNOTS AFTER MIDNIGHT. CLOUDY. A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
WAVES BUILDING TO 2 TO 3 FEET.    
TUESDAY  
SOUTHWEST WIND 15 TO 25 KNOTS VEERING WEST UP TO  
30 KNOTS IN THE AFTERNOON. CLOUDY. RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES BUILDING TO  
7 TO 10 FEET OCCASIONALLY TO 13 FEET.  
 
 
 
LSZ251-180800-  
GRAND MARAIS TO WHITEFISH POINT MI-  
1102 PM EDT SUN MAY 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT MONDAY  
 
   
REST OF TONIGHT  
SOUTHEAST WIND 15 TO 25 KNOTS. RAIN SHOWERS  
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS BY MIDNIGHT, THEN  
RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS LATE. WAVES 2 TO  
3 FEET BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET, THEN  
SUBSIDING TO 2 TO 4 FEET.    
MONDAY  
SOUTH WIND 15 TO 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS  
BY LATE MORNING, THEN VEERING WEST 5 TO 15 KNOTS LATE. MOSTLY  
CLOUDY. RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS THROUGH  
MID MORNING, THEN A SLIGHT CHANCE OF RAIN SHOWERS BY LATE  
MORNING. WAVES SUBSIDING TO 1 TO 2 FEET.    
MONDAY NIGHT  
WEST WIND LESS THAN 10 KNOTS BACKING SOUTH 5 TO  
15 KNOTS AFTER MIDNIGHT. CLOUDY. A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS  
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES  
BUILDING TO 2 TO 3 FEET.    
TUESDAY  
SOUTH WIND 15 TO 25 KNOTS VEERING WEST UP TO 30 KNOTS  
IN THE AFTERNOON. MOSTLY CLOUDY. RAIN SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. WAVES BUILDING TO 7 TO  
10 FEET OCCASIONALLY TO 13 FEET.  
 
 
 
WFO MQT  
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