521
FZUS53 KDTX 171354
NSHDTX
NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT THU SEP 17 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE
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.
LHZ422-172200-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
954 AM EDT THU SEP 17 2026
REST OF TODAY
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY EARLY IN THE
MORNING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY EARLY IN THE EVENING
BECOMING MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.
LHZ421-172200-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
954 AM EDT THU SEP 17 2026
REST OF TODAY
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
FRIDAY
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY EARLY IN
THE MORNING BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET.
FRIDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.
LHZ441-172200-
PORT AUSTIN TO HARBOR BEACH MI-
954 AM EDT THU SEP 17 2026
REST OF TODAY
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
TONIGHT
NORTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
FRIDAY
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY EARLY IN
THE MORNING BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.
LHZ442-172200-
HARBOR BEACH TO PORT SANILAC MI-
954 AM EDT THU SEP 17 2026
REST OF TODAY
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH
10 TO 15 KNOTS IN THE AFTERNOON. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
TONIGHT
NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
FRIDAY
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY EARLY IN THE
MORNING BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY
EARLY IN THE EVENING BECOMING MOSTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.
LHZ443-172200-
PORT SANILAC TO PORT HURON MI-
954 AM EDT THU SEP 17 2026
REST OF TODAY
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH
10 TO 15 KNOTS IN THE AFTERNOON. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
TONIGHT
NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
FRIDAY
NORTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
EARLY IN THE AFTERNOON. MOSTLY SUNNY UNTIL LATE AFTERNOON
BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY EARLY IN THE EVENING
BECOMING MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.
LEZ444-172200-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
954 AM EDT THU SEP 17 2026
REST OF TODAY
NORTH WINDS 5 TO 10 KNOTS IN THE LATE MORNING
AND EARLY AFTERNOON BECOMING LIGHT AND VARIABLE. MOSTLY CLOUDY. A
SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING. WAVES 2 FEET OR
LESS.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY UNTIL
EARLY MORNING BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS EARLY IN THE AFTERNOON. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
FRIDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY
EARLY IN THE EVENING BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.
THE WATER TEMPERATURE AT BELLE ISLE IS 69 DEGREES.
DRK
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