442
FZUS53 KAPX 170850
NSHAPX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GAYLORD MI
450 AM EDT SUN MAY 17 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.
LSZ321-171700-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
450 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY MORNING...
TODAY
LIGHT WINDS BECOMING NORTHEAST 5 TO 10 KNOTS IN THE
MORNING. ISOLATED SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
SOUTHEAST WIND 10 TO 20 KNOTS WITH GUSTS TO 25 KNOTS.
NUMEROUS SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 3 TO 5
FEET.
MONDAY
SOUTH WIND 15 TO 20 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 3 FEET.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LSZ322-171700-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
450 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY MORNING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. ISOLATED SHOWERS IN THE AFTERNOON.
TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS.
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS.
MONDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. RAIN SHOWERS AND A
CHANCE OF THUNDERSTORMS.
WINDS HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ341-171700-
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
450 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
LIGHT WINDS BECOMING NORTHEAST 5 TO 10 KNOTS IN THE
MORNING, THEN BECOMING EAST 10 TO 15 KNOTS IN THE AFTERNOON.
SCATTERED SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR LESS BUILDING
TO 2 TO 3 FEET IN THE AFTERNOON.
TONIGHT
EAST WIND 10 TO 20 KNOTS WITH GUSTS TO 25 KNOTS.
NUMEROUS SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 3 TO 5
FEET.
MONDAY
SOUTHWEST WIND 15 TO 20 KNOTS. CHANCE OF SHOWERS. WAVES
4 TO 7 FEET.
MONDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. RAIN SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 4 TO 6 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ342-171700-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-
450 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
LIGHT WINDS BECOMING NORTHEAST 10 TO 15 KNOTS IN THE
MORNING. NUMEROUS SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO 25 KNOTS.
NUMEROUS SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 3 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS. WAVES
2 TO 4 FEET.
MONDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. RAIN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ323-171700-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-
450 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. ISOLATED SHOWERS IN THE
MORNING. SCATTERED SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR
LESS.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO 25 KNOTS.
NUMEROUS SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 3 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF SHOWERS. WAVES 2 TO 3 FEET.
MONDAY NIGHT
SOUTH WIND 10 TO 20 KNOTS. RAIN SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ344-345-171700-
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
POINT BETSIE TO SLEEPING BEAR POINT MI-
450 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. ISOLATED SHOWERS IN THE
MORNING. NUMEROUS SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
SOUTHEAST WIND 10 TO 20 KNOTS WITH GUSTS TO 25 KNOTS.
NUMEROUS SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 3 TO 5
FEET.
MONDAY
SOUTHWEST WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS. WAVES
4 TO 6 FEET.
MONDAY NIGHT
SOUTH WIND 10 TO 20 KNOTS. RAIN SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ346-171700-
MANISTEE TO POINT BETSIE MI-
450 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. SCATTERED SHOWERS IN THE
MORNING. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 2 FEET OR LESS.
TONIGHT
SOUTHEAST WIND 10 TO 20 KNOTS WITH GUSTS TO 25 KNOTS.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FEET.
MONDAY
SOUTH WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS. WAVES
4 TO 6 FEET.
MONDAY NIGHT
SOUTH WIND 10 TO 20 KNOTS. RAIN SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 4 TO 6 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ345-171700-
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-
450 AM EDT SUN MAY 17 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING EAST IN THE
AFTERNOON. SCATTERED SHOWERS IN THE AFTERNOON. WAVES 2 TO 3 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS. NUMEROUS SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS. WAVES
2 TO 3 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ346-171700-
ST IGNACE TO FALSE DETOUR CHANNEL-
450 AM EDT SUN MAY 17 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING EAST 10 TO
15 KNOTS IN THE AFTERNOON. SCATTERED SHOWERS IN THE AFTERNOON.
WAVES 2 FEET OR LESS BUILDING TO 2 TO 3 FEET IN THE AFTERNOON.
TONIGHT
EAST WIND 10 TO 15 KNOTS. RAIN SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FEET.
MONDAY
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS. WAVES
2 TO 4 FEET.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 3 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ347-171700-
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
450 AM EDT SUN MAY 17 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING EAST 10 TO
15 KNOTS IN THE AFTERNOON. SCATTERED SHOWERS IN THE AFTERNOON.
WAVES 2 TO 3 FEET.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. NUMEROUS SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS. RAIN SHOWERS LIKELY.
WAVES 2 TO 3 FEET.
MONDAY NIGHT
SOUTH WIND 5 TO 10 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.
LHZ348-171700-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-
450 AM EDT SUN MAY 17 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. NUMEROUS SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR
LESS.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. NUMEROUS SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
MONDAY
SOUTH WIND 15 TO 20 KNOTS. RAIN SHOWERS LIKELY. WAVES
4 TO 6 FEET.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS.
WAVES 2 TO 4 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ349-171700-
STURGEON PT TO ALABASTER MI-
450 AM EDT SUN MAY 17 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. NUMEROUS SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR
LESS.
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. RAIN SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES 2 TO 3 FEET.
MONDAY
SOUTH WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS. WAVES
3 TO 5 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 20 KNOTS. RAIN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
DJC
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