149
FZUS53 KAPX 210550
NSHAPX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GAYLORD MI
150 AM EDT TUE APR 21 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.
LSZ321-211845-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
SOUTH WIND 10 TO 15 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
BECOMING NORTHWEST 5 TO 10 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY
EARLY IN THE MORNING THEN BECOMING SUNNY. WAVES 2 TO 3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LSZ322-211845-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
150 AM EDT TUE APR 21 2026
TODAY
SOUTH WIND 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY EARLY IN THE MORNING
THEN CLEARING.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WEDNESDAY
LIGHT WINDS. SUNNY.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ341-211845-
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
SOUTHWEST WIND 10 TO 20 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
BECOMING 10 TO 15 KNOTS IN THE MORNING, THEN BECOMING NORTHWEST 5
TO 10 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 4 TO 6 FEET
SUBSIDING TO 2 TO 3 FEET IN THE AFTERNOON.
TONIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ342-211845-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
SOUTHWEST WIND 10 TO 20 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
BECOMING WEST 5 TO 10 KNOTS IN THE AFTERNOON. MOSTLY CLEAR. WAVES
2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS IN THE AFTERNOON.
TONIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ323-211845-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
SOUTH WIND 10 TO 15 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
BECOMING SOUTHWEST IN THE MORNING, THEN BECOMING NORTHWEST 5 TO 10
KNOTS IN THE AFTERNOON. PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING. WAVES 2 TO 3 FEET.
TONIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ344-211845-
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
SOUTH WIND 10 TO 15 KNOTS GUSTS TO 25 KNOTS EARLY IN THE
MORNING BECOMING SOUTHWEST, THEN BECOMING WEST 5 TO 10 KNOTS IN
THE AFTERNOON BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY
EARLY IN THE MORNING THEN BECOMING SUNNY. WAVES 2 TO 3 FEET
SUBSIDING TO 2 FEET OR LESS IN THE AFTERNOON.
TONIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ345-211845-
POINT BETSIE TO SLEEPING BEAR POINT MI-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
SOUTH WIND 10 TO 20 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
BECOMING SOUTHWEST 5 TO 10 KNOTS IN THE AFTERNOON, THEN BECOMING
VARIABLE 10 KNOTS OR LESS EARLY IN THE EVENING. MOSTLY SUNNY EARLY
IN THE MORNING THEN BECOMING SUNNY. WAVES 2 TO 4 FEET SUBSIDING
TO 2 TO 3 FEET IN THE AFTERNOON.
TONIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ346-211845-
MANISTEE TO POINT BETSIE MI-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
SOUTH WIND 10 TO 20 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
BECOMING SOUTHWEST 5 TO 10 KNOTS IN THE AFTERNOON, THEN BECOMING
VARIABLE 10 KNOTS OR LESS EARLY IN THE EVENING. PARTLY CLOUDY
EARLY IN THE MORNING THEN CLEARING. WAVES 3 TO 5 FEET SUBSIDING TO
2 TO 3 FEET IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ345-211845-
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
BECOMING WEST IN THE AFTERNOON. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
EAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ346-211845-
ST IGNACE TO FALSE DETOUR CHANNEL-
150 AM EDT TUE APR 21 2026
TODAY
SOUTH WIND 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 2 FEET OR LESS IN THE AFTERNOON.
TONIGHT
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.
WEDNESDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ347-211845-
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
150 AM EDT TUE APR 21 2026
TODAY
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS IN THE LATE MORNING, THEN BECOMING NORTH IN THE
AFTERNOON. MOSTLY SUNNY EARLY IN THE MORNING THEN BECOMING SUNNY.
WAVES 2 TO 3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
WEDNESDAY
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ348-211845-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
SOUTH WIND 10 TO 20 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
BECOMING NORTHEAST 5 TO 10 KNOTS EARLY IN THE EVENING. MOSTLY
CLOUDY EARLY IN THE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 3 TO
5 FEET SUBSIDING TO 2 TO 4 FEET IN THE AFTERNOON.
TONIGHT
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.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ349-211845-
STURGEON PT TO ALABASTER MI-
150 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
SOUTH WIND 10 TO 20 KNOTS, GUSTS NEAR 25 KNOTS EARLY,
DECREASING TO 5 TO 10 KNOTS EARLY IN THE EVENING. MOSTLY CLOUDY
EARLY IN THE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 2 TO 4 FEET
SUBSIDING TO 2 TO 3 FEET IN THE AFTERNOON.
TONIGHT
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.
WEDNESDAY NIGHT
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
JLD
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