Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 190152
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
952 PM EDT TUE APR 18 2017

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.

LHZ422-190915-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
952 PM EDT TUE APR 18 2017

.REST OF TONIGHT...SOUTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY...
THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT SHOWERS AFTER
MIDNIGHT. CLOUDY WITH A CHANCE OF LIGHT SHOWERS EARLY IN THE
MORNING. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS UNTIL LATE
AFTERNOON. WAVES AROUND 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST
15 TO 20 KNOTS EARLY IN THE MORNING. CLOUDY. LIGHT SHOWERS AND
THUNDERSTORMS LIKELY...MAINLY AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 5 TO
10 KNOTS. SHOWERS WITH THUNDERSTORMS LIKELY UNTIL LATE
AFTERNOON...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN
THE AFTERNOON. WAVES 1 TO 3 FEET.

SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.

$$

LHZ421-190915-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
952 PM EDT TUE APR 18 2017

.REST OF TONIGHT...SOUTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY...
THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT SHOWERS AFTER
MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS EARLY IN
THE MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS EARLY IN THE AFTERNOON...THEN BACKING TO THE SOUTHEAST
LATE IN THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS
UNTIL LATE AFTERNOON. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST
15 TO 20 KNOTS EARLY IN THE MORNING. CLOUDY. LIGHT SHOWERS AND
THUNDERSTORMS LIKELY...MAINLY AFTER MIDNIGHT. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25 KNOTS IN
THE LATE MORNING AND EARLY AFTERNOON...THEN DIMINISHING TO 10 TO 15
KNOTS LATE IN THE AFTERNOON. SHOWERS WITH THUNDERSTORMS LIKELY UNTIL
LATE AFTERNOON...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN
THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.

SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.

$$

LHZ441-190915-
PORT AUSTIN TO HARBOR BEACH MI-
952 PM EDT TUE APR 18 2017

.REST OF TONIGHT...SOUTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY IN
THE LATE EVENING AND EARLY MORNING...THEN MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SHOWERS EARLY IN THE MORNING. WAVES 2 TO 4 FEET.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN VEERING
TO THE NORTH LATE IN THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF
LIGHT SHOWERS UNTIL LATE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST
15 TO 20 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. LIGHT SHOWERS
AND THUNDERSTORMS LIKELY...MAINLY AFTER MIDNIGHT. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25 KNOTS IN
THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING SOUTHEAST 10 TO
15 KNOTS LATE IN THE AFTERNOON. SHOWERS WITH THUNDERSTORMS LIKELY.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.

SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.

$$

LHZ442-190915-
HARBOR BEACH TO PORT SANILAC MI-
952 PM EDT TUE APR 18 2017

.REST OF TONIGHT...SOUTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY IN
THE LATE EVENING AND EARLY MORNING...THEN MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SHOWERS EARLY IN THE MORNING. WAVES 2 TO 4 FEET.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS LATE IN THE MORNING...THEN BECOMING SOUTHWEST 5 TO
10 KNOTS EARLY IN THE AFTERNOON BECOMING WEST 10 TO 15 KNOTS LATE
IN THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS UNTIL
LATE AFTERNOON...THEN A SLIGHT CHANCE OF LIGHT SHOWERS LATE IN
THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE
LATE MORNING AND AFTERNOON.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS LATE IN THE EVENING...THEN BECOMING NORTHEAST 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. LIGHT SHOWERS AND
THUNDERSTORMS LIKELY...MAINLY AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SHOWERS WITH
THUNDERSTORMS LIKELY. WAVES 2 TO 4 FEET.

SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.

$$

LHZ443-190915-
PORT SANILAC TO PORT HURON MI-
952 PM EDT TUE APR 18 2017

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY
IN THE LATE EVENING AND EARLY MORNING...THEN MOSTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.
WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS. CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES AROUND 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. CLOUDY. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS
AND THUNDERSTORMS LIKELY AFTER MIDNIGHT. WAVES AROUND 2 FEET OR
LESS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. CLOUDY WITH SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FEET.

SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.

$$

LEZ444-190915-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
952 PM EDT TUE APR 18 2017

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH
15 TO 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING BECOMING MOSTLY CLOUDY. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 TO
3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. LIGHT
SHOWERS AND THUNDERSTORMS LIKELY...MAINLY IN THE AFTERNOON. WAVES
AROUND 2 FEET OR LESS.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTH
LATE IN THE EVENING...THEN VEERING TO THE EAST AFTER MIDNIGHT.
CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY UNTIL EARLY MORNING...
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.
WAVES AROUND 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS VEERING TO THE SOUTH
LATE IN THE MORNING...THEN BECOMING SOUTHWEST 15 TO 20 KNOTS IN
THE AFTERNOON. MOSTLY CLOUDY. LIGHT SHOWERS AND THUNDERSTORMS
LIKELY...MAINLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.

SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.

THE WATER TEMPERATURE AT BELLE ISLE IS 50.3 DEGREES.

$$

SC

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A WWW.WEATHER.GOV/GREATLAKES


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