Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 202333 AAA
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN...UPDATED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
733 PM EDT THU APR 20 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.

LHZ422-210915-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
733 PM EDT THU APR 20 2017

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN INCREASING
TO 20 TO 25 KNOTS EARLY IN THE MORNING. CLOUDY WITH SHOWERS AND
THUNDERSTORMS LIKELY EARLY THIS EVENING...THEN MOSTLY CLOUDY IN
THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET EARLY IN THE MORNING.
.FRIDAY...WEST WINDS 20 TO 25 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH
5 TO 10 KNOTS. MOSTLY CLOUDY EARLY IN THE EVENING BECOMING PARTLY
CLOUDY. WAVES AROUND 2 FEET OR LESS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
AROUND 2 FEET OR LESS.

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

$$

LHZ421-210915-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
733 PM EDT THU APR 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TONIGHT...SOUTH WINDS 15 TO 20 KNOTS VEERING TO THE WEST
IN THE LATE EVENING AND OVERNIGHT. CLOUDY WITH SHOWERS AND
THUNDERSTORMS LIKELY EARLY THIS EVENING...THEN MOSTLY CLOUDY IN
THE LATE EVENING AND OVERNIGHT. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 7 FEET.
.FRIDAY...WEST WINDS 20 TO 25 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY
EARLY IN THE EVENING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO
10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.

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

$$

LHZ441-210915-
PORT AUSTIN TO HARBOR BEACH MI-
733 PM EDT THU APR 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS EARLY THIS
EVENING...THEN MOSTLY CLOUDY IN THE LATE EVENING AND OVERNIGHT.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.
.FRIDAY...WEST WINDS 20 TO 25 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS. MOSTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY AROUND 7 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY IN
THE EVENING BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET EARLY IN THE MORNING.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.

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

$$

LHZ442-210915-
HARBOR BEACH TO PORT SANILAC MI-
733 PM EDT THU APR 20 2017

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE WEST
AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS EARLY THIS EVENING...
THEN MOSTLY CLOUDY IN THE LATE EVENING AND OVERNIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY EARLY IN THE
MORNING BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY IN
THE EVENING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO
3 FEET.

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

$$

LHZ443-210915-
PORT SANILAC TO PORT HURON MI-
733 PM EDT THU APR 20 2017

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. SHOWERS AND
THUNDERSTORMS EARLY THIS EVENING...THEN PARTLY CLOUDY IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING NORTHWEST
10 TO 15 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY EARLY IN THE
MORNING BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY
UNTIL EARLY MORNING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO
3 FEET.

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

$$

LEZ444-210915-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
733 PM EDT THU APR 20 2017

.REST OF TONIGHT...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. BECOMING PARTLY CLOUDY AFTER MIDNIGHT.
SHOWERS AND THUNDERSTORMS EARLY THIS EVENING...THEN ISOLATED
THUNDERSTORMS THIS EVENING. ISOLATED LIGHT SHOWERS IN THE LATE
EVENING AND EARLY MORNING. SOME THUNDERSTORMS MAY BE SEVERE WITH
DAMAGING WINDS, AND LARGE HAIL EARLY THIS EVENING. WAVES 1 TO
3 FEET.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY UNTIL EARLY MORNING
BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN
DIMINISHING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. PARTLY
CLOUDY. WAVES AROUND 2 FEET OR LESS.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 51.4 DEGREES.

$$

SC

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
A WWW.WEATHER.GOV/GREATLAKES



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