466
FZUS53 KAPX 201843
NSHAPX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GAYLORD MI
243 PM EDT MON APR 20 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.
LSZ321-210245-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE EVENING. WAVES 2 TO 4
FEET.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WAVE HEIGHTS ARE VALID FOR ICE FREE AREAS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LSZ322-210245-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
243 PM EDT MON APR 20 2026
TONIGHT
SOUTH WIND 10 TO 20 KNOTS. MOSTLY CLOUDY.
TUESDAY
WEST WIND 5 TO 10 KNOTS. SUNNY.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WEDNESDAY
LIGHT WINDS. SUNNY.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ341-210245-
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY EARLY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 4 TO 7 FEET. WAVES
OCCASIONALLY AROUND 9 FEET.
TUESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 4 TO 6 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ342-210245-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 2 TO 3 FEET BUILDING TO 3 TO 5 FEET AFTER
MIDNIGHT.
TUESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 TO 4 FEET.
TUESDAY NIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ323-210245-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 2 FEET OR LESS BUILDING TO 2 TO 3 FEET AFTER
MIDNIGHT.
TUESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 TO 3 FEET.
TUESDAY NIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ344-210245-
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 2 TO 4 FEET.
TUESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 TO 4 FEET.
TUESDAY NIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ345-210245-
POINT BETSIE TO SLEEPING BEAR POINT MI-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET AFTER
MIDNIGHT.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 TO
4 FEET.
TUESDAY NIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ346-210245-
MANISTEE TO POINT BETSIE MI-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 3 TO 5 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 3 TO
5 FEET.
TUESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ345-210245-
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
TUESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR LESS.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ346-210245-
ST IGNACE TO FALSE DETOUR CHANNEL-
243 PM EDT MON APR 20 2026
TONIGHT
SOUTH WIND 10 TO 20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO
4 FEET.
TUESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 TO 3 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
SOUTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ347-210245-
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
243 PM EDT MON APR 20 2026
TONIGHT
SOUTH WIND 10 TO 20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO
3 FEET.
TUESDAY
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR LESS.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ348-210245-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.
WAVES 2 TO 4 FEET.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS. SUNNY. WAVES 2 TO 4 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ349-210245-
STURGEON PT TO ALABASTER MI-
243 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.
WAVES 2 TO 4 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 20 KNOTS. MOSTLY SUNNY. WAVES
2 TO 4 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR
LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
ELD
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