Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 210151
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
951 PM EDT MON APR 20 2015

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.

LHZ422-210930-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
951 PM EDT MON APR 20 2015

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

.REST OF TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 15 TO 20 KNOTS BY MIDNIGHT. MOSTLY
CLOUDY. SCATTERED LIGHT SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO
1 TO 3 FEET AFTER MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. CLOUDY WITH A
CHANCE OF LIGHT SHOWERS. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY...
BECOMING PARTLY CLOUDY AFTER MIDNIGHT...BECOMING MOSTLY CLOUDY.
WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY MIDNIGHT.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS. CLOUDY WITH A CHANCE OF
LIGHT SHOWERS. WAVES 1 TO 3 FEET.

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

$$

LHZ421-210930-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
951 PM EDT MON APR 20 2015

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

.REST OF TONIGHT...SOUTHWEST WINDS TO 30 KNOTS...DIMINISHING TO
15 TO 20 KNOTS BY MIDNIGHT. MOSTLY CLOUDY. SCATTERED LIGHT
SHOWERS. WAVES 4 TO 6 FEET... SUBSIDING TO 2 TO 4 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY...SOUTHWEST WINDS 20 TO 25 KNOTS. CLOUDY WITH A CHANCE
OF LIGHT SHOWERS. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND
7 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. WAVES
2 TO 4 FEET.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY LATE MORNING...THEN INCREASING TO 15 TO 20 KNOTS BY
MID AFTERNOON. CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES 1 TO
3 FEET.

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

$$

LHZ441-210930-
PORT AUSTIN TO HARBOR BEACH MI-
951 PM EDT MON APR 20 2015

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

.REST OF TONIGHT...SOUTHWEST WINDS TO 30 KNOTS...DIMINISHING TO
15 TO 20 KNOTS BY MIDNIGHT. MOSTLY CLOUDY. SCATTERED LIGHT
SHOWERS. WAVES 4 TO 6 FEET... SUBSIDING TO 2 TO 4 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. MOSTLY CLOUDY
WITH A CHANCE OF LIGHT SHOWERS. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...DIMINISHING TO
15 TO 20 KNOTS BY MIDNIGHT. MOSTLY CLOUDY...BECOMING PARTLY
CLOUDY AFTER MIDNIGHT...BECOMING MOSTLY CLOUDY. WAVES 2 TO
4 FEET.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY LATE MORNING...THEN INCREASING TO 15 TO 20 KNOTS BY
MID AFTERNOON. CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES 2 TO
4 FEET...SUBSIDING TO 1 TO 3 FEET BY LATE MORNING.

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

$$

LHZ442-210930-
HARBOR BEACH TO PORT SANILAC MI-
951 PM EDT MON APR 20 2015

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

.REST OF TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...DIMINISHING
TO 10 TO 15 KNOTS OVERNIGHT. MOSTLY CLOUDY. SCATTERED LIGHT
SHOWERS. WAVES 2 TO 4 FEET... SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. MOSTLY CLOUDY
WITH A CHANCE OF LIGHT SHOWERS. WAVES 1 TO 3 FEET...BUILDING TO
2 TO 4 FEET BY MID AFTERNOON.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS BY MIDNIGHT...THEN BECOMING WEST 15 TO 20 KNOTS
LATE. MOSTLY CLOUDY...BECOMING PARTLY CLOUDY AFTER MIDNIGHT...
BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY LATE MORNING...THEN INCREASING TO 15 TO 20 KNOTS BY
MID AFTERNOON. CLOUDY WITH A CHANCE OF LIGHT SHOWERS. WAVES 1 TO
3 FEET.

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

$$

LHZ443-210930-
PORT SANILAC TO PORT HURON MI-
951 PM EDT MON APR 20 2015

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

.REST OF TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING
TO 10 TO 15 KNOTS BY MIDNIGHT. MOSTLY CLOUDY. SCATTERED LIGHT
SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY
MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. CLOUDY. A CHANCE
OF LIGHT SHOWERS THROUGH EARLY AFTERNOON...THEN LIGHT SHOWERS
LIKELY BY MID AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 2 TO
4 FEET BY MID AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST
10 TO 15 KNOTS BY MIDNIGHT...THEN BECOMING WEST 15 TO 20 KNOTS
LATE. MOSTLY CLOUDY...BECOMING PARTLY CLOUDY AFTER MIDNIGHT...
BECOMING MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS. CLOUDY WITH A CHANCE OF
LIGHT SHOWERS. WAVES 1 TO 3 FEET.

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

$$

LEZ444-210930-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
951 PM EDT MON APR 20 2015

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

.REST OF TONIGHT...WEST WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT...THEN INCREASING TO 15 TO 20 KNOTS
LATE. MOSTLY CLOUDY THROUGH MIDNIGHT...BECOMING PARTLY CLOUDY
OVERNIGHT. SCATTERED LIGHT SHOWERS. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. MOSTLY CLOUDY
WITH A CHANCE OF LIGHT SHOWERS. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY EARLY
IN THE EVENING...BECOMING PARTLY CLOUDY OVERNIGHT. WAVES 1 TO
3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO 25 KNOTS
WITH GUSTS TO 30 KNOTS BY LATE MORNING. MOSTLY CLOUDY. A CHANCE OF
LIGHT SHOWERS BY MID AFTERNOON. WAVES 1 TO 3 FEET.. BUILDING TO 2 TO
4 FEET BY MID AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 49.2 DEGREES.

$$

SC

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



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