436
FZUS53 KAPX 190739
NSHAPX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GAYLORD MI
339 AM EDT WED AUG 19 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.
LSZ321-191545-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
TONIGHT
LIGHT WINDS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
THURSDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LSZ322-191545-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
THURSDAY
LIGHT WINDS. SUNNY.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ341-191545-
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS.
WAVES 2 TO 3 FEET.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ342-191545-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ323-191545-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
TONIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ344-345-191545-
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
POINT BETSIE TO SLEEPING BEAR POINT MI-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
TONIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ346-191545-
MANISTEE TO POINT BETSIE MI-
339 AM EDT WED AUG 19 2026
TODAY
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
TONIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ345-191545-
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-
339 AM EDT WED AUG 19 2026
TODAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ346-191545-
ST IGNACE TO FALSE DETOUR CHANNEL-
339 AM EDT WED AUG 19 2026
TODAY
WEST WIND 10 TO 15 KNOTS. SUNNY EARLY IN THE MORNING
THEN BECOMING MOSTLY SUNNY. WAVES 2 FEET OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ347-191545-
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
THURSDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ348-191545-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH EARLY IN
THE EVENING. SUNNY EARLY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 2 FEET OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ349-191545-
STURGEON PT TO ALABASTER MI-
339 AM EDT WED AUG 19 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. SUNNY EARLY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
WAVES 2 FEET OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
THURSDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
JZ
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