Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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000
FZUS53 KDTX 300750
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
350 AM EDT SUN APR 30 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.

LHZ422-301515-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
350 AM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...EAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. PERIODS
OF SHOWERS. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 25 KNOTS. PERIODS OF SHOWERS AND
NUMEROUS THUNDERSTORMS. LOCALLY HEAVY RAINFALL POSSIBLE EARLY IN
THE MORNING. WAVES 2 TO 4 FEET.
.MONDAY...EAST WINDS 20 TO 25 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. PERIODS OF SHOWERS
AND NUMEROUS THUNDERSTORMS EARLY IN THE MORNING...THEN A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON.
LOCALLY HEAVY RAINFALL POSSIBLE EARLY IN THE MORNING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND
AFTERNOON.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO
20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES
1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND
OVERNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.

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

$$

LHZ421-301515-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
350 AM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...EAST WINDS TO 30 KNOTS. PERIODS OF SHOWERS. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 25 KNOTS. PERIODS OF SHOWERS AND
NUMEROUS THUNDERSTORMS. LOCALLY HEAVY RAINFALL POSSIBLE EARLY IN
THE MORNING. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND
10 FEET.
.MONDAY...EAST WINDS 15 TO 20 KNOTS VEERING TO THE SOUTH IN THE
LATE MORNING AND AFTERNOON. PERIODS OF SHOWERS AND NUMEROUS
THUNDERSTORMS EARLY IN THE MORNING...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. LOCALLY HEAVY
RAINFALL POSSIBLE EARLY IN THE MORNING. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 7 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO
20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES
1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND
OVERNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.

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

$$

LHZ441-301515-
PORT AUSTIN TO HARBOR BEACH MI-
350 AM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...EAST WINDS TO 30 KNOTS DIMINISHING TO 20 TO 25 KNOTS IN
THE AFTERNOON. PERIODS OF SHOWERS. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS LATE IN THE EVENING...THEN INCREASING TO 15 TO 20 KNOTS
AFTER MIDNIGHT. PERIODS OF SHOWERS AND NUMEROUS THUNDERSTORMS.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.MONDAY...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
LATE IN THE MORNING...THEN INCREASING TO 15 TO 20 KNOTS IN THE
AFTERNOON. PARTLY CLOUDY EARLY IN THE AFTERNOON BECOMING MOSTLY
CLOUDY. NUMEROUS THUNDERSTORMS IN THE MORNING. PERIODS OF
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO
5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO
20 TO 25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF
LIGHT SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.

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

$$

LHZ442-301515-
HARBOR BEACH TO PORT SANILAC MI-
350 AM EDT SUN APR 30 2017

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

.TODAY...EAST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO 20 KNOTS
IN THE AFTERNOON. PERIODS OF SHOWERS. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 6 FEET.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
10 KNOTS. PERIODS OF SHOWERS AND NUMEROUS THUNDERSTORMS. WAVES
2 TO 4 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. BECOMING PARTLY
CLOUDY IN THE AFTERNOON. PERIODS OF SHOWERS AND NUMEROUS
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY
WITH A CHANCE OF LIGHT SHOWERS. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET EARLY IN THE MORNING.

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

$$

LHZ443-301515-
PORT SANILAC TO PORT HURON MI-
350 AM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...EAST WINDS 20 TO 25 KNOTS DIMINISHING TO 10 TO 15 KNOTS
IN THE AFTERNOON. NUMEROUS LIGHT SHOWERS WITH ISOLATED
THUNDERSTORMS EARLY IN THE MORNING...THEN PERIODS OF LIGHT
SHOWERS IN THE LATE MORNING AND AFTERNOON. WAVES 3 TO 5
FEET...SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
10 KNOTS. PERIODS OF SHOWERS AND NUMEROUS THUNDERSTORMS. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. BECOMING PARTLY
CLOUDY IN THE AFTERNOON. NUMEROUS THUNDERSTORMS EARLY IN THE
MORNING. PERIODS OF SHOWERS UNTIL LATE AFTERNOON. A CHANCE OF
THUNDERSTORMS IN THE LATE MORNING AND EARLY AFTERNOON. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. A
CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.

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

$$

LEZ444-301515-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
350 AM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...

.TODAY...EAST WINDS 20 TO 25 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. PERIODS OF LIGHT
SHOWERS AND SCATTERED THUNDERSTORMS. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. PERIODS OF SHOWERS AND NUMEROUS
THUNDERSTORMS. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 20 TO 25
KNOTS WITH GUSTS TO 30 KNOTS IN THE AFTERNOON. BECOMING PARTLY CLOUDY
IN THE AFTERNOON. PERIODS OF SHOWERS AND NUMEROUS THUNDERSTORMS EARLY
IN THE MORNING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
LATE MORNING AND EARLY AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET IN THE LATE MORNING AND AFTERNOON.
.MONDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES
2 TO 4 FEET.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 50.2 DEGREES.

$$

SC

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


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