640
FZUS53 KAPX 160158
NSHAPX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GAYLORD MI
958 PM EDT FRI MAY 15 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.
LSZ321-161000-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF SHOWERS THROUGH THE
NIGHT. CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
SATURDAY
NORTHWEST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
SATURDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
SUNDAY
EAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR
LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LSZ322-161000-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT.
SATURDAY
WEST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. MOSTLY CLEAR.
SUNDAY
EAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY.
WINDS HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ341-161000-
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
SHOWERS EARLY IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 5 TO
8 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 3 TO
5 FEET.
SATURDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
SUNDAY
EAST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO
4 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ342-161000-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF
SHOWERS. WAVES 2 TO 3 FEET.
SATURDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
SUNDAY
EAST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO
3 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ323-161000-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 3 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
SUNDAY
EAST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ344-345-161000-
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
POINT BETSIE TO SLEEPING BEAR POINT MI-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES
2 TO 4 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
SUNDAY
EAST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS. WAVES
2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ346-161000-
MANISTEE TO POINT BETSIE MI-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTH WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES
2 TO 4 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 TO 3 FEET.
SUNDAY
EAST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS. WAVES
2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ345-161000-
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
SATURDAY
WEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
SATURDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 2 FEET OR LESS.
SUNDAY
EAST WIND 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES 2 TO
4 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ346-161000-
ST IGNACE TO FALSE DETOUR CHANNEL-
958 PM EDT FRI MAY 15 2026
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SHOWERS.
WAVES 2 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. MOSTLY CLEAR.
WAVES 2 TO 3 FEET.
SUNDAY
EAST WIND 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES 2 TO
4 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ347-161000-
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
958 PM EDT FRI MAY 15 2026
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 2 TO 3 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SHOWERS.
WAVES 2 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. PARTLY CLOUDY.
WAVES 2 TO 3 FEET.
SUNDAY
EAST WIND 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES 2 TO
4 FEET.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ348-161000-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-
958 PM EDT FRI MAY 15 2026
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. PARTLY CLOUDY.
WAVES 2 TO 3 FEET.
SUNDAY
EAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR
LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ349-161000-
STURGEON PT TO ALABASTER MI-
958 PM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY
OVERNIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS.
WAVES 2 TO 4 FEET.
SATURDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
NSC
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