Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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000
FZUS53 KDTX 191945
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 PM EDT WED APR 19 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.

LHZ422-200315-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
345 PM EDT WED APR 19 2017

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING...THEN
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 TO 3 FEET.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING...THEN PARTLY CLOUDY IN THE
LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 20 TO 25 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS
IN THE AFTERNOON. PARTLY CLOUDY EARLY IN THE MORNING BECOMING MOSTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
A SMALL CRAFT ADVISORY MAY BE NEEDED.

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

$$

LHZ421-200315-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
345 PM EDT WED APR 19 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY MORNING...

.TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS...THEN BECOMING EAST 15 TO 20 KNOTS AFTER MIDNIGHT.
PARTLY CLOUDY UNTIL EARLY MORNING...THEN MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
EVENING AND EARLY MORNING...THEN BUILDING TO 3 TO 5 FEET EARLY IN
THE MORNING. WAVES OCCASIONALLY AROUND 7 FEET.
.THURSDAY...EAST WINDS 20 TO 25 KNOTS. SHOWERS AND THUNDERSTORMS.
WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING...THEN PARTLY 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. PARTLY CLOUDY EARLY IN THE MORNING
BECOMING MOSTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY AROUND 7 FEET.

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

$$

LHZ441-200315-
PORT AUSTIN TO HARBOR BEACH MI-
345 PM EDT WED APR 19 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY MORNING...

.TONIGHT...NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS...THEN BECOMING NORTHEAST 15 TO 20 KNOTS AFTER MIDNIGHT.
PARTLY CLOUDY UNTIL EARLY MORNING...THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND
OVERNIGHT.
.THURSDAY...SOUTHEAST WINDS 20 TO 25 KNOTS. LIGHT SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND
7 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING...THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. PARTLY
CLOUDY AFTER MIDNIGHT. 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. PARTLY CLOUDY EARLY IN THE MORNING
BECOMING MOSTLY CLOUDY. WAVES 2 TO 4 FEET.

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

$$

LHZ442-200315-
HARBOR BEACH TO PORT SANILAC MI-
345 PM EDT WED APR 19 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING...

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY UNTIL
EARLY MORNING...THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET IN THE LATE EVENING AND EARLY MORNING...THEN
SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN
DIMINISHING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON. LIGHT
SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY
AROUND 7 FEET.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE WEST
IN THE LATE EVENING AND OVERNIGHT. SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING...THEN MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. PARTLY CLOUDY
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY EARLY IN THE
MORNING BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.

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

$$

LHZ443-200315-
PORT SANILAC TO PORT HURON MI-
345 PM EDT WED APR 19 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING...

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY WITH ISOLATED LIGHT
SHOWERS EARLY IN THE EVENING...THEN MOSTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 TO 3 FEET.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN
DIMINISHING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON. LIGHT
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5
FEET IN THE LATE MORNING AND AFTERNOON.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE WEST
IN THE LATE EVENING AND OVERNIGHT. SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING...THEN PARTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. PARTLY CLOUDY
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.

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

$$

LEZ444-200315-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
345 PM EDT WED APR 19 2017

.TONIGHT...WEST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST IN THE
LATE EVENING. PERIODS OF SHOWERS AND NUMEROUS THUNDERSTORMS EARLY
IN THE EVENING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE LATE EVENING AND OVERNIGHT. WAVES AROUND 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST
15 TO 20 KNOTS IN THE AFTERNOON. LIGHT SHOWERS AND
THUNDERSTORMS...MAINLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. BECOMING PARTLY
CLOUDY IN THE LATE EVENING AND OVERNIGHT. SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. 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. WAVES 1 TO
3 FEET.

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

THE WATER TEMPERATURE AT BELLE ISLE IS MISSING.

$$

SF

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



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