Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 181943
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EDT THU MAY 18 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.

LHZ422-190315-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
343 PM EDT THU MAY 18 2017

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...WEST WINDS 15 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES
EARLY...VEERING TO THE NORTH AFTER MIDNIGHT. PARTLY CLOUDY EARLY
IN THE EVENING...THEN A SLIGHT CHANCE OF LIGHT SHOWERS THIS
EVENING. MOSTLY CLOUDY AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY UNTIL
LATE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 3 FEET.
.SATURDAY...EAST 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.

$$

LHZ421-190315-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
343 PM EDT THU MAY 18 2017

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

.TONIGHT...WEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING NORTH 20 TO 25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY EARLY
IN THE EVENING...THEN A SLIGHT CHANCE OF LIGHT SHOWERS THIS
EVENING. MOSTLY CLOUDY AFTER MIDNIGHT. WAVES 2 TO 4 FEET BUILDING
TO 5 TO 7 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 10 FEET.
.FRIDAY...NORTH WINDS 20 TO 25 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY IN THE
MORNING BECOMING PARTLY CLOUDY. WAVES 4 TO 6 FEET SUBSIDING TO
2 TO 4 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY AROUND
8 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 3 FEET.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS EARLY IN THE AFTERNOON...THEN INCREASING TO 15 TO
20 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING
BECOMING MOSTLY CLOUDY. WAVES 2 TO 4 FEET.

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

$$

LHZ441-190315-
PORT AUSTIN TO HARBOR BEACH MI-
343 PM EDT THU MAY 18 2017

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

.TONIGHT...WEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING NORTH 20 TO 25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY EARLY
IN THE EVENING...THEN A SLIGHT CHANCE OF LIGHT SHOWERS THIS
EVENING. MOSTLY CLOUDY AFTER MIDNIGHT. WAVES 2 TO 4 FEET BUILDING
TO 5 TO 7 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 10 FEET.
.FRIDAY...NORTH WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY
BECOMING PARTLY CLOUDY EARLY IN THE AFTERNOON BECOMING MOSTLY
SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET LATE IN THE
AFTERNOON. WAVES OCCASIONALLY AROUND 8 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND
OVERNIGHT.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY UNTIL
LATE AFTERNOON BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.

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

$$

LHZ442-190315-
HARBOR BEACH TO PORT SANILAC MI-
343 PM EDT THU MAY 18 2017

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

.TONIGHT...WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING NORTHWEST 15 TO 20 KNOTS...THEN BECOMING NORTH 20 TO
25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY EARLY IN THE EVENING...
THEN A SLIGHT CHANCE OF LIGHT SHOWERS THIS EVENING. MOSTLY CLOUDY
AFTER MIDNIGHT. WAVES 2 TO 4 FEET BUILDING TO 4 TO 6 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY AROUND 8 FEET.
.FRIDAY...NORTH WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY IN THE
MORNING BECOMING PARTLY CLOUDY. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 6 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY UNTIL LATE
AFTERNOON BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.

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

$$

LHZ443-190315-
PORT SANILAC TO PORT HURON MI-
343 PM EDT THU MAY 18 2017

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

.TONIGHT...WEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS...THEN BECOMING NORTH 20 TO
25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY UNTIL EARLY MORNING
BECOMING MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 TO 3 FEET BUILDING TO
3 TO 5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.
.FRIDAY...NORTH WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY UNTIL
LATE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 7 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY
AROUND 7 FEET.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY UNTIL LATE
AFTERNOON BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.

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

$$

LEZ444-190315-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
343 PM EDT THU MAY 18 2017

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

.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING...THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY BECOMING
MOSTLY CLOUDY LATE IN THE MORNING BECOMING PARTLY CLOUDY. WAVES
AROUND 2 FEET OR LESS.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS LATE IN THE EVENING...THEN DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT INCREASING TO 15 TO 20 KNOTS EARLY IN THE
MORNING. PARTLY CLOUDY EARLY IN THE EVENING BECOMING MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 57.9 DEGREES.

$$

SF

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



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