Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 210750
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
348 AM EDT FRI APR 21 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.

LHZ422-211500-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
348 AM EDT FRI APR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO
3 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. 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 IN THE AFTERNOON. MOSTLY SUNNY. WAVES AROUND 2 FEET OR
LESS.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE
EVENING BECOMING LIGHT AND VARIABLE. CLEAR. WAVES AROUND 2 FEET
OR LESS.

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

$$

LHZ421-211500-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
348 AM EDT FRI APR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND
AFTERNOON.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING
NORTH 10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY EARLY IN
THE EVENING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO
10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 10 KNOTS EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTHWEST 5 TO
10 KNOTS EARLY IN THE MORNING. CLEAR. WAVES AROUND 2 FEET OR
LESS.

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

$$

LHZ441-211500-
PORT AUSTIN TO HARBOR BEACH MI-
348 AM EDT FRI APR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE AFTERNOON.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING
NORTH 10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY IN THE
EVENING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE
EVENING BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTHWEST
5 TO 10 KNOTS EARLY IN THE MORNING. CLEAR. WAVES AROUND 2 FEET OR
LESS.

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

$$

LHZ442-211500-
HARBOR BEACH TO PORT SANILAC MI-
348 AM EDT FRI APR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...WEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY EARLY IN THE
MORNING BECOMING MOSTLY CLOUDY. WAVES AROUND 2 FEET OR LESS.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT...THEN BECOMING NORTH 10 TO 15 KNOTS
EARLY IN THE MORNING. MOSTLY CLOUDY IN THE EVENING BECOMING
PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND
AFTERNOON.
.SATURDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS IN THE EVENING
BECOMING LIGHT AND VARIABLE. MOSTLY CLEAR. WAVES AROUND 2 FEET OR
LESS.

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

$$

LHZ443-211500-
PORT SANILAC TO PORT HURON MI-
348 AM EDT FRI APR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...WEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY EARLY IN THE
MORNING BECOMING MOSTLY CLOUDY. WAVES AROUND 2 FEET OR LESS.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY UNTIL
EARLY MORNING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING
TO 2 TO 4 FEET EARLY IN THE MORNING.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND
AFTERNOON.
.SATURDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS BECOMING LIGHT AND
VARIABLE. MOSTLY CLEAR. WAVES AROUND 2 FEET OR LESS.

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

$$

LEZ444-211500-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
348 AM EDT FRI APR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. WAVES 1 TO
3 FEET.
.TONIGHT...NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY UNTIL EARLY
MORNING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO
10 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR.
WAVES AROUND 2 FEET OR LESS.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 51.2 DEGREES.

$$

CB

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



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