545
FZUS53 KAPX 181820
NSHAPX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GAYLORD MI
220 PM EDT FRI SEP 18 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.
LSZ321-190230-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
LIGHT WINDS. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
SUNDAY
NORTH WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 TO 3 FEET.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LSZ322-190230-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
LIGHT WINDS. MOSTLY CLOUDY.
TONIGHT
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
SATURDAY NIGHT
LIGHT WINDS. MOSTLY CLOUDY.
SUNDAY
NORTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ341-190230-
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
EAST WIND 5 TO 10 KNOTS IN THE AFTERNOON
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 2 FEET
OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET
OR LESS.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 2 FEET OR LESS.
SUNDAY
NORTH WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ342-190230-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY
CLOUDY. WAVES 2 FEET OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET
OR LESS.
SATURDAY
EAST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 2 FEET OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ323-190230-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY
CLOUDY. WAVES 2 FEET OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. ISOLATED SHOWERS. WAVES
2 FEET OR LESS.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS. SCATTERED SHOWERS.
WAVES 2 FEET OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SCATTERED
SHOWERS. WAVES 2 FEET OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ344-345-190230-
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
POINT BETSIE TO SLEEPING BEAR POINT MI-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY
CLOUDY. WAVES 2 FEET OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. ISOLATED SHOWERS. WAVES
2 FEET OR LESS.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS. SCATTERED SHOWERS.
WAVES 2 FEET OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. SCATTERED
SHOWERS. WAVES 2 FEET OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY SUNNY. WAVES 2 TO 3 FEET.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LMZ346-190230-
MANISTEE TO POINT BETSIE MI-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
NORTHEAST WIND 5 TO 10 KNOTS. CLOUDY.
WAVES 2 FEET OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. SCATTERED SHOWERS. WAVES
2 FEET OR LESS.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS. SCATTERED SHOWERS.
WAVES 2 FEET OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. SCATTERED
SHOWERS. WAVES 2 FEET OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO
3 FEET.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ345-190230-
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY
CLOUDY. WAVES 2 FEET OR LESS.
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
SATURDAY
EAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 2 FEET OR LESS.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ346-190230-
ST IGNACE TO FALSE DETOUR CHANNEL-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
EAST WIND 5 TO 10 KNOTS IN THE AFTERNOON
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 2 FEET
OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET
OR LESS.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 2 FEET OR LESS.
SUNDAY
NORTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR
LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ347-190230-
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 2 FEET OR LESS.
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
2 FEET OR LESS.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
2 FEET OR LESS.
SUNDAY
NORTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR
LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ348-190230-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY
CLOUDY. WAVES 2 FEET OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET
OR LESS.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES
2 FEET OR LESS.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS. SCATTERED SHOWERS.
WAVES 2 FEET OR LESS.
SUNDAY
NORTH WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET
OR LESS.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
LHZ349-190230-
STURGEON PT TO ALABASTER MI-
220 PM EDT FRI SEP 18 2026
THROUGH EARLY EVENING
NORTHEAST WIND 10 TO 15 KNOTS. MOSTLY
CLOUDY. WAVES 2 TO 3 FEET.
TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET
OR LESS.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS. SCATTERED SHOWERS.
WAVES 2 FEET OR LESS.
SATURDAY NIGHT
EAST WIND 10 TO 15 KNOTS. SCATTERED SHOWERS.
WAVES 2 FEET OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO
4 FEET.
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.
JK
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