Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 201345
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
943 AM EDT SAT MAY 20 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.

LHZ422-202100-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
943 AM EDT SAT MAY 20 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...EAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO
25 KNOTS EARLY IN THE AFTERNOON...THEN DIMINISHING TO 15 TO
20 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY LATE IN THE
MORNING...THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET IN THE AFTERNOON.
.TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE EVENING...THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. WAVES
1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE SOUTHWEST
LATE IN THE AFTERNOON. BECOMING PARTLY CLOUDY LATE IN THE
AFTERNOON. SHOWERS AND A CHANCE OF THUNDERSTORMS UNTIL LATE
AFTERNOON...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN
THE AFTERNOON. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. WAVES
1 TO 3 FEET.

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

$$

LHZ421-202100-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
943 AM EDT SAT MAY 20 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...NORTHEAST WINDS 15 TO 20 KNOTS. MOSTLY SUNNY
LATE IN THE MORNING...THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 7 FEET.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. SHOWERS AND A CHANCE OF
THUNDERSTORMS UNTIL LATE AFTERNOON...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET LATE IN THE AFTERNOON.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT...THEN INCREASING TO 15 TO 20 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 TO 3 FEET.

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

$$

LHZ441-202100-
PORT AUSTIN TO HARBOR BEACH MI-
943 AM EDT SAT MAY 20 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...NORTHEAST WINDS 15 TO 20 KNOTS. MOSTLY SUNNY
LATE IN THE MORNING...THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FEET.
WAVES OCCASIONALLY AROUND 7 FEET.
.TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF LIGHT
SHOWERS IN THE EVENING. A CHANCE OF THUNDERSTORMS. SHOWERS AFTER
MIDNIGHT. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO 15
KNOTS LATE IN THE AFTERNOON. SHOWERS AND A CHANCE OF THUNDERSTORMS
UNTIL LATE AFTERNOON...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS
LATE IN THE AFTERNOON. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7
FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 TO
3 FEET.

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

$$

LHZ442-202100-
HARBOR BEACH TO PORT SANILAC MI-
943 AM EDT SAT MAY 20 2017

.REST OF TODAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY
BECOMING PARTLY CLOUDY EARLY IN THE AFTERNOON BECOMING MOSTLY
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE
AFTERNOON.
.TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF LIGHT
SHOWERS IN THE EVENING. A CHANCE OF THUNDERSTORMS. SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
EVENING AND OVERNIGHT.
.SUNDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO
15 KNOTS LATE IN THE AFTERNOON. SHOWERS AND A CHANCE OF
THUNDERSTORMS UNTIL LATE AFTERNOON...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING...THEN A
CHANCE OF LIGHT SHOWERS IN THE LATE EVENING AND EARLY MORNING.
WAVES 1 TO 3 FEET.

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

$$

LHZ443-202100-
PORT SANILAC TO PORT HURON MI-
943 AM EDT SAT MAY 20 2017

.REST OF TODAY...EAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY LATE IN
THE MORNING...THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE AFTERNOON.
.TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF LIGHT
SHOWERS IN THE EVENING. A CHANCE OF THUNDERSTORMS. SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
EVENING AND OVERNIGHT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS LATE IN THE MORNING...THEN BECOMING SOUTH 10 TO 15 KNOTS
IN THE AFTERNOON. SHOWERS AND A CHANCE OF THUNDERSTORMS UNTIL
LATE AFTERNOON...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE
IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE
IN THE AFTERNOON.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING
SOUTHWEST 10 TO 15 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING...THEN A
CHANCE OF LIGHT SHOWERS IN THE LATE EVENING AND EARLY MORNING.
WAVES AROUND 2 FEET OR LESS.

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

$$

LEZ444-202100-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
943 AM EDT SAT MAY 20 2017

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

.REST OF TODAY...EAST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO
20 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FEET.
.TONIGHT...EAST WINDS 20 TO 25 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS EARLY IN THE MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING...THEN SHOWERS AND A CHANCE OF
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. SHOWERS AND A CHANCE
OF THUNDERSTORMS UNTIL LATE AFTERNOON...THEN A CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES AROUND 2 FEET OR
LESS.
.SUNDAY NIGHT...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. WAVES
AROUND 2 FEET OR LESS.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 56.1 DEGREES.

$$

HLO

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


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