894
FZUS53 KAPX 180733
NSHAPX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GAYLORD MI
333 AM EDT TUE AUG 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKES HURON...
MICHIGAN AND 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.
LSZ321-181545-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
333 AM EDT TUE AUG 18 2026
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS EARLY IN THE
MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING. WAVES 2 FEET OR LESS BUILDING TO 2 TO 3 FEET IN THE
AFTERNOON.
TONIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 TO
3 FEET.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LSZ322-181545-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
333 AM EDT TUE AUG 18 2026
TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE
OF SHOWERS IN THE MORNING. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WINDS HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ341-181545-
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
333 AM EDT TUE AUG 18 2026
TODAY
WEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING, THEN CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 2 TO 3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET
OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ342-181545-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-
333 AM EDT TUE AUG 18 2026
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST EARLY
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
CHANCE OF SHOWERS IN THE MORNING. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 2 TO 3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
WEDNESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ323-181545-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-
333 AM EDT TUE AUG 18 2026
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST 10 TO
15 KNOTS IN THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
WEDNESDAY NIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ344-345-181545-
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
POINT BETSIE TO SLEEPING BEAR POINT MI-
333 AM EDT TUE AUG 18 2026
TODAY
WEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING. CHANCE OF SHOWERS IN THE MORNING. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
WEDNESDAY NIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ346-181545-
MANISTEE TO POINT BETSIE MI-
333 AM EDT TUE AUG 18 2026
TODAY
WEST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 3 FEET.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 3 FEET.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ345-181545-
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-
333 AM EDT TUE AUG 18 2026
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST EARLY
IN THE EVENING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
WEDNESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ346-181545-
ST IGNACE TO FALSE DETOUR CHANNEL-
333 AM EDT TUE AUG 18 2026
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST IN THE
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE
OF SHOWERS IN THE MORNING. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET
OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ347-181545-
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
333 AM EDT TUE AUG 18 2026
TODAY
WEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET
OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ348-181545-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-
333 AM EDT TUE AUG 18 2026
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN THE
EVENING. SLIGHT CHANCE OF SHOWERS IN THE MORNING. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET
OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ349-181545-
STURGEON PT TO ALABASTER MI-
333 AM EDT TUE AUG 18 2026
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
WEDNESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
JZ
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