Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 201414
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1014 AM EDT MON APR 20 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.

LHZ422-202130-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
1014 AM EDT MON APR 20 2015

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

.REST OF TODAY...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST
20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS LATE. MOSTLY CLOUDY. A
SLIGHT CHANCE OF THUNDERSTORMS EARLY. A CHANCE OF LIGHT SHOWERS.
A CHANCE OF THUNDERSTORMS BY LATE MORNING. WAVES 1 TO 3 FEET...
BUILDING TO 2 TO 4 FEET BY LATE MORNING...THEN SUBSIDING TO 1 TO
3 FEET BY EARLY AFTERNOON...BUILDING TO 2 TO 4 FEET LATE.
.TONIGHT...WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS...
BECOMING SOUTHWEST 15 TO 20 KNOTS BY MIDNIGHT. MOSTLY CLOUDY
EARLY IN THE EVENING...BECOMING PARTLY CLOUDY OVERNIGHT. A CHANCE
OF LIGHT SHOWERS EARLY IN THE EVENING...THEN A SLIGHT CHANCE OF
LIGHT SHOWERS BY MIDNIGHT. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. MOSTLY CLOUDY. A
SLIGHT CHANCE OF LIGHT SHOWERS EARLY...THEN A CHANCE OF LIGHT
SHOWERS BY LATE MORNING. WAVES 1 TO 3 FEET...BUILDING TO 2 TO
4 FEET BY LATE MORNING.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS BY MIDNIGHT...THEN BECOMING WEST 15 TO 20 KNOTS
AFTER MIDNIGHT...DIMINISHING TO 10 TO 15 KNOTS LATE. MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.

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

$$

LHZ421-202130-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
1014 AM EDT MON APR 20 2015

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

.REST OF TODAY...SOUTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY LATE MORNING...THEN BECOMING SOUTHWEST 15 TO 20 KNOTS
BY EARLY AFTERNOON...INCREASING TO 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS LATE. MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS
EARLY. A CHANCE OF LIGHT SHOWERS. A CHANCE OF THUNDERSTORMS BY
LATE MORNING. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND
7 FEET.
.TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY EARLY IN THE EVENING...BECOMING PARTLY CLOUDY OVERNIGHT. A
CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT...THEN A SLIGHT CHANCE
OF LIGHT SHOWERS AFTER MIDNIGHT. WAVES 3 TO 5 FEET...SUBSIDING TO
2 TO 4 FEET LATE. WAVES OCCASIONALLY AROUND 7 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY LATE MORNING. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
LIGHT SHOWERS. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST
10 TO 15 KNOTS LATE. MOSTLY CLOUDY WITH A CHANCE OF LIGHT
SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY
MIDNIGHT.

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

$$

LHZ441-202130-
PORT AUSTIN TO HARBOR BEACH MI-
1014 AM EDT MON APR 20 2015

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

.REST OF TODAY...SOUTH WINDS 20 TO 25 KNOTS...DIMINISHING TO
15 TO 20 KNOTS BY LATE MORNING...THEN BECOMING SOUTHWEST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS LATE. MOSTLY CLOUDY. A SLIGHT
CHANCE OF THUNDERSTORMS EARLY. A CHANCE OF LIGHT SHOWERS. A
CHANCE OF THUNDERSTORMS BY LATE MORNING. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY WITH A CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT...THEN
PARTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT SHOWERS AFTER
MIDNIGHT. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET LATE.
WAVES OCCASIONALLY AROUND 7 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY LATE MORNING. PARTLY CLOUDY WITH A SLIGHT CHANCE OF
LIGHT SHOWERS EARLY...THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT
SHOWERS BY LATE MORNING. WAVES 2 TO 4 FEET...BUILDING TO 3 TO
5 FEET BY LATE MORNING. WAVES OCCASIONALLY AROUND 7 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS BY MIDNIGHT...THEN INCREASING TO 15 TO 20 KNOTS
AFTER MIDNIGHT...BECOMING WEST 10 TO 15 KNOTS LATE. MOSTLY CLOUDY
WITH A CHANCE OF LIGHT SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO
1 TO 3 FEET BY MIDNIGHT.

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

$$

LHZ442-202130-
HARBOR BEACH TO PORT SANILAC MI-
1014 AM EDT MON APR 20 2015

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

.REST OF TODAY...SOUTH WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS
LATE. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS THROUGH MID AFTERNOON...THEN A CHANCE OF
LIGHT SHOWERS LATE. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND
8 FEET.
.TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS OVERNIGHT. MOSTLY CLOUDY
EARLY IN THE EVENING...BECOMING PARTLY CLOUDY OVERNIGHT. A CHANCE
OF LIGHT SHOWERS THROUGH MIDNIGHT...THEN A SLIGHT CHANCE OF LIGHT
SHOWERS AFTER MIDNIGHT. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO
3 FEET BY MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. PARTLY CLOUDY
EARLY...BECOMING MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS. WAVES
1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY MID AFTERNOON.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS BY MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.

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

$$

LHZ443-202130-
PORT SANILAC TO PORT HURON MI-
1014 AM EDT MON APR 20 2015

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

.REST OF TODAY...SOUTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 35 KNOT GALES BY LATE MORNING. MOSTLY
CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS EARLY. A CHANCE OF LIGHT
SHOWERS. A CHANCE OF THUNDERSTORMS BY LATE MORNING. WAVES 3 TO
5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.
.TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS OVERNIGHT. MOSTLY CLOUDY
EARLY IN THE EVENING...BECOMING PARTLY CLOUDY OVERNIGHT. A CHANCE
OF LIGHT SHOWERS THROUGH MIDNIGHT...THEN A SLIGHT CHANCE OF LIGHT
SHOWERS AFTER MIDNIGHT. A CHANCE OF LIGHT SHOWERS LATE. WAVES
2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. PARTLY CLOUDY
THROUGH EARLY AFTERNOON...BECOMING MOSTLY CLOUDY. A CHANCE OF
LIGHT SHOWERS. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY MID
AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST
10 TO 15 KNOTS BY MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.

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

$$

LEZ444-202130-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
1014 AM EDT MON APR 20 2015

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

.REST OF TODAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST
TO 30 KNOTS. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS EARLY...THEN LIGHT SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS BY LATE MORNING. A CHANCE OF LIGHT
SHOWERS LATE. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY MID
AFTERNOON.
.TONIGHT...WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS...
BECOMING SOUTHWEST 10 TO 15 KNOTS OVERNIGHT. PARTLY CLOUDY. A
CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT...THEN A SLIGHT CHANCE
OF LIGHT SHOWERS AFTER MIDNIGHT. WAVES 2 TO 4 FEET...SUBSIDING TO
1 TO 3 FEET BY MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. MOSTLY SUNNY
THROUGH EARLY AFTERNOON...BECOMING PARTLY CLOUDY. A SLIGHT CHANCE
OF LIGHT SHOWERS. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY
MID AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY MIDNIGHT...THEN INCREASING TO 15 TO 20 KNOTS AFTER
MIDNIGHT...DIMINISHING TO 10 TO 15 KNOTS LATE. PARTLY CLOUDY.
WAVES 1 TO 3 FEET.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 47.6 DEGREES.

$$

CB

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



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