Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 232057
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
354 PM EST THU FEB 23 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.

LHZ422-240400-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
354 PM EST THU FEB 23 2017

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS EARLY IN THE MORNING. A SLIGHT CHANCE OF LIGHT SHOWERS
THIS EVENING. SHOWERS AND A CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS LATE IN THE MORNING...THEN DIMINISHING TO 15 TO 20 KNOTS
IN THE AFTERNOON. SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
MORNING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS LATE IN THE EVENING...THEN BACKING TO THE SOUTHWEST
AFTER MIDNIGHT...INCREASING TO 15 TO 20 KNOTS EARLY IN THE
MORNING. SHOWERS WITH THUNDERSTORMS LIKELY UNTIL EARLY MORNING...
THEN A CHANCE OF LIGHT SHOWERS EARLY IN THE MORNING. WAVES AROUND
2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30
KNOTS...BECOMING WEST 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS IN THE
LATE MORNING AND AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN AND
SNOW SHOWERS IN THE MORNING...THEN A CHANCE OF LIGHT SNOW SHOWERS IN
THE AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET LATE IN
THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.

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

$$

LHZ421-240400-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
354 PM EST THU FEB 23 2017

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

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS EARLY IN THE MORNING. SHOWERS AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO
2 TO 4 FEET EARLY IN THE MORNING.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KNOTS...BECOMING EAST 20 TO
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING
NORTHEAST 15 TO 20 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 4 TO
6 FEET...BUILDING TO 5 TO 7 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY AROUND 10 FEET.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...BACKING TO THE
SOUTHWEST AFTER MIDNIGHT. SHOWERS WITH THUNDERSTORMS LIKELY UNTIL
EARLY MORNING...THEN LIGHT SHOWERS LIKELY EARLY IN THE MORNING.
WAVES 4 TO 6 FEET...SUBSIDING TO 1 TO 3 FEET EARLY IN THE
MORNING. WAVES OCCASIONALLY AROUND 8 FEET.
.SATURDAY...WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES.
MOSTLY CLOUDY. LIGHT SHOWERS LIKELY EARLY IN THE MORNING. A CHANCE OF
LIGHT SNOW SHOWERS. A CHANCE OF LIGHT SHOWERS LATE IN THE MORNING.
WAVES 1 TO 3 FEET...BUILDING TO 3 TO 5 FEET IN THE LATE MORNING AND
AFTERNOON. WAVES OCCASIONALLY AROUND 7 FEET. A GALE WARNING MAY BE
NEEDED.

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

$$

LHZ441-240400-
PORT AUSTIN TO HARBOR BEACH MI-
354 PM EST THU FEB 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY EVENING...
...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...NORTH WINDS 5 TO 10 KNOTS...BECOMING NORTHEAST 15 TO
20 KNOTS. SHOWERS AFTER MIDNIGHT. SHOWERS AND A CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 TO 3 FEET...BUILDING
TO 2 TO 4 FEET EARLY IN THE MORNING.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS. SHOWERS AND A CHANCE OF
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FEET...BUILDING TO
5 TO 7 FEET IN THE AFTERNOON. WAVES OCCASIONALLY AROUND 10 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS...VEERING TO THE
SOUTHWEST AFTER MIDNIGHT. SHOWERS WITH THUNDERSTORMS LIKELY UNTIL
EARLY MORNING...THEN LIGHT SHOWERS LIKELY EARLY IN THE MORNING.
WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET EARLY IN THE
MORNING. WAVES OCCASIONALLY AROUND 7 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 20 TO 25
KNOTS WITH GUSTS TO 35 KNOT GALES IN THE LATE MORNING AND AFTERNOON.
MOSTLY CLOUDY. LIGHT SHOWERS LIKELY EARLY IN THE MORNING. A CHANCE OF
LIGHT SNOW SHOWERS. A CHANCE OF LIGHT SHOWERS LATE IN THE MORNING.
WAVES 1 TO 3 FEET...BUILDING TO 3 TO 5 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY AROUND 7 FEET. A GALE WARNING MAY BE NEEDED.

GALES WILL BE POSSIBLE BEYOND THE FORECAST PERIOD. PLEASE REFER TO
THE OPEN LAKES FORECAST FOR MORE INFORMATION.

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

$$

LHZ442-240400-
HARBOR BEACH TO PORT SANILAC MI-
354 PM EST THU FEB 23 2017

...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN INCREASING
TO 10 TO 15 KNOTS EARLY IN THE MORNING. SHOWERS AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS. SHOWERS AND A CHANCE OF
THUNDERSTORMS IN THE MORNING. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON...THEN A CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS...VEERING TO THE
SOUTHWEST AFTER MIDNIGHT. SHOWERS WITH THUNDERSTORMS LIKELY UNTIL
EARLY MORNING...THEN LIGHT SHOWERS LIKELY EARLY IN THE MORNING. WAVES
3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING. WAVES
OCCASIONALLY AROUND 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND
AFTERNOON. MOSTLY CLOUDY. LIGHT SHOWERS LIKELY EARLY IN THE
MORNING. A CHANCE OF LIGHT SNOW SHOWERS. A CHANCE OF LIGHT
SHOWERS LATE IN THE MORNING. WAVES 1 TO 3 FEET...BUILDING TO 2 TO
4 FEET IN THE AFTERNOON.

GALES WILL BE POSSIBLE BEYOND THE FORECAST PERIOD. PLEASE REFER TO
THE OPEN LAKES FORECAST FOR MORE INFORMATION.

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

$$

LHZ443-240400-
PORT SANILAC TO PORT HURON MI-
354 PM EST THU FEB 23 2017

...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS...THEN INCREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT.
PARTLY CLOUDY EARLY IN THE EVENING. A SLIGHT CHANCE OF LIGHT
SHOWERS THIS EVENING. SHOWERS AND A CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. LIGHT SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE MORNING. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON...THEN A CHANCE
OF SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO
3 FEET...BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. SHOWERS WITH
THUNDERSTORMS LIKELY UNTIL EARLY MORNING...THEN SHOWERS LIKELY
EARLY IN THE MORNING. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 20 TO 25
KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS TO 30 KNOTS. MOSTLY
CLOUDY. LIGHT SHOWERS LIKELY EARLY IN THE MORNING. A CHANCE OF LIGHT
SNOW SHOWERS. A CHANCE OF LIGHT SHOWERS LATE IN THE MORNING. WAVES 1
TO 3 FEET...BUILDING TO 2 TO 4 FEET IN THE AFTERNOON. A SMALL CRAFT
ADVISORY MAY BE NEEDED.

GALES WILL BE POSSIBLE BEYOND THE FORECAST PERIOD. PLEASE REFER TO
THE OPEN LAKES FORECAST FOR MORE INFORMATION.

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

$$

LEZ444-240400-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
354 PM EST THU FEB 23 2017

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR WITH A
CHANCE OF LIGHT SHOWERS EARLY IN THE EVENING...THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. WAVES
AROUND 2 FEET OR LESS.
.FRIDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING SOUTH 15 TO
20 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO
15 TO 20 KNOTS EARLY IN THE MORNING. SHOWERS AND THUNDERSTORMS
UNTIL EARLY MORNING...THEN LIGHT SHOWERS LIKELY EARLY IN THE
MORNING. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES.
MOSTLY CLOUDY. LIGHT SHOWERS LIKELY EARLY IN THE MORNING. A CHANCE OF
LIGHT SNOW SHOWERS UNTIL LATE AFTERNOON. A CHANCE OF LIGHT SHOWERS IN
THE LATE MORNING AND EARLY AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO
2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON. A GALE WARNING MAY BE
NEEDED.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 38.2 DEGREES.

$$

MR

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



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