Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 311347
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
947 AM EDT FRI JUL 31 2015

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.

LHZ422-312130-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
947 AM EDT FRI JUL 31 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.REST OF TODAY...WEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY NOON...THEN BECOMING NORTHWEST 15 TO 20 KNOTS LATE.
MOSTLY SUNNY...BECOMING PARTLY CLOUDY BY EARLY AFTERNOON...
BECOMING MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS BY EARLY AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO
2 TO 4 FEET BY EARLY AFTERNOON.
.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 10 TO
15 KNOTS BY MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
5 TO 10 KNOTS BY MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

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

$$

LHZ421-312130-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
947 AM EDT FRI JUL 31 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.REST OF TODAY...WEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY EARLY AFTERNOON...THEN DIMINISHING TO 15 TO 20 KNOTS
LATE. MOSTLY SUNNY...BECOMING PARTLY CLOUDY BY EARLY AFTERNOON...
BECOMING MOSTLY SUNNY. A CHANCE OF LIGHT SHOWERS BY LATE MORNING.
A SLIGHT CHANCE OF THUNDERSTORMS BY EARLY AFTERNOON. WAVES 1 TO 3
FEET...BUILDING TO 2 TO 4 FEET BY EARLY AFTERNOON.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 15 TO
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY LATE MORNING. PARTLY CLOUDY WITH A CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

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

$$

LHZ441-312130-
PORT AUSTIN TO HARBOR BEACH MI-
947 AM EDT FRI JUL 31 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST
15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS BY NOON...THEN BECOMING
NORTHWEST 10 TO 15 KNOTS LATE. MOSTLY SUNNY...BECOMING PARTLY
CLOUDY BY EARLY AFTERNOON...BECOMING MOSTLY SUNNY. A CHANCE OF
LIGHT SHOWERS BY LATE MORNING. A SLIGHT CHANCE OF THUNDERSTORMS BY
EARLY AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY
EARLY AFTERNOON...THEN SUBSIDING TO 1 TO 3 FEET LATE.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET...
BUILDING TO 2 TO 4 FEET LATE.
.SATURDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY LATE MORNING. PARTLY CLOUDY WITH A CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET...
SUBSIDING TO 1 TO 3 FEET BY LATE MORNING.
.SATURDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO
10 KNOTS BY MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

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

$$

LHZ442-312130-
HARBOR BEACH TO PORT SANILAC MI-
947 AM EDT FRI JUL 31 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.REST OF TODAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST
15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS BY NOON. MOSTLY
SUNNY...BECOMING PARTLY CLOUDY BY EARLY AFTERNOON...BECOMING
MOSTLY SUNNY. A SLIGHT CHANCE OF LIGHT SHOWERS BY LATE MORNING. A
CHANCE OF LIGHT SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS BY
EARLY AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT...THEN BECOMING WEST 10 TO 15 KNOTS LATE.
MOSTLY CLEAR. A SLIGHT CHANCE OF LIGHT SHOWERS EARLY IN THE
EVENING. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.

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

$$

LHZ443-312130-
PORT SANILAC TO PORT HURON MI-
947 AM EDT FRI JUL 31 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.REST OF TODAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST
15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS BY NOON. SUNNY...BECOMING
PARTLY CLOUDY BY EARLY AFTERNOON...BECOMING MOSTLY SUNNY. A SLIGHT
CHANCE OF LIGHT SHOWERS BY MID AFTERNOON. WAVES 2 FEET OR
LESS...BUILDING TO 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS BY MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS LATE.
MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES
1 TO 3 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.

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

$$

LEZ444-312130-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
947 AM EDT FRI JUL 31 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.REST OF TODAY...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS WITH GUSTS TO 25 KNOTS BY NOON. MOSTLY SUNNY. WAVES 2
FEET OR LESS.
.TONIGHT...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS...BUILDING TO 2
TO 4 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY MID AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
5 TO 10 KNOTS BY MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS
LATE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 75.4 DEGREES.

$$

MANN

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



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