Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 291948
NSHDTX

NEARSHORE MARINE FORECAST FOR MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
348 PM EDT SAT APR 29 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.

LHZ422-300315-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
348 PM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS INCREASING TO 30 KNOTS.
PERIODS OF LIGHT SHOWERS. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.
.SUNDAY...EAST WINDS TO 30 KNOTS BECOMING NORTHEAST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND
AFTERNOON. PERIODS OF SHOWERS AND A CHANCE OF THUNDERSTORMS.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST
10 TO 15 KNOTS EARLY IN THE MORNING. PERIODS OF SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO 20
KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON.
PERIODS OF SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE
MORNING...THEN SCATTERED LIGHT SHOWERS AND A CHANCE OF THUNDERSTORMS
IN THE LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FEET.

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

$$

LHZ421-300315-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
348 PM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. ISOLATED LIGHT
SHOWERS EARLY IN THE EVENING...THEN PERIODS OF SHOWERS IN THE
LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.
.SUNDAY...EAST WINDS TO 30 KNOTS BECOMING NORTHEAST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND
AFTERNOON. PERIODS OF SHOWERS AND A CHANCE OF THUNDERSTORMS.
WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.SUNDAY NIGHT...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS EARLY IN THE MORNING. PERIODS OF SHOWERS AND
THUNDERSTORMS LIKELY. LOCALLY HEAVY RAINFALL POSSIBLE IN THE LATE
EVENING AND EARLY MORNING. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY
AROUND 6 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS WITH GUSTS TO 30 KNOTS IN THE AFTERNOON. THUNDERSTORMS
LIKELY IN THE MORNING. PERIODS OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FEET.

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

$$

LHZ441-300315-
PORT AUSTIN TO HARBOR BEACH MI-
348 PM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 20 TO
25 KNOTS. PERIODS OF LIGHT SHOWERS. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE LATE EVENING AND EARLY MORNING...THEN
BUILDING TO 4 TO 6 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY
AROUND 8 FEET.
.SUNDAY...EAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
DIMINISHING TO 15 TO 20 KNOTS LATE IN THE AFTERNOON. PERIODS OF
SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.SUNDAY NIGHT...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PERIODS OF SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY
AROUND 7 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. THUNDERSTORMS LIKELY
IN THE MORNING. PERIODS OF SHOWERS. A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. WAVES 2 TO 4 FEET.

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

$$

LHZ442-300315-
HARBOR BEACH TO PORT SANILAC MI-
348 PM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS AFTER MIDNIGHT. CLOUDY WITH NUMEROUS LIGHT SHOWERS.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET EARLY IN THE MORNING.
WAVES OCCASIONALLY AROUND 7 FEET.
.SUNDAY...EAST WINDS 20 TO 25 KNOTS DIMINISHING TO 10 TO
15 KNOTS. PERIODS OF SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. PERIODS OF
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 TO 4 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. THUNDERSTORMS LIKELY
IN THE MORNING. PERIODS OF SHOWERS. A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. WAVES 2 TO 4 FEET.

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

$$

LHZ443-300315-
PORT SANILAC TO PORT HURON MI-
348 PM EDT SAT APR 29 2017

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

.TONIGHT...NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS...THEN INCREASING TO 15 TO 20 KNOTS AFTER MIDNIGHT.
CLOUDY. NUMEROUS LIGHT SHOWERS EARLY IN THE EVENING...THEN
NUMEROUS LIGHT SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 4 FEET.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. PERIODS OF SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND
7 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. PERIODS OF
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. BECOMING
PARTLY CLOUDY LATE IN THE AFTERNOON. THUNDERSTORMS LIKELY IN THE
MORNING. PERIODS OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.

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

$$

LEZ444-300315-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
348 PM EDT SAT APR 29 2017

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

.TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS.
CLOUDY. SCATTERED LIGHT SHOWERS AND A CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING...THEN NUMEROUS SHOWERS AND A CHANCE OF
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 4
FEET.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS
BECOMING SOUTHEAST 10 TO 15 KNOTS EARLY IN THE AFTERNOON...THEN
BECOMING SOUTH 5 TO 10 KNOTS LATE IN THE AFTERNOON. CLOUDY WITH
NUMEROUS SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. PERIODS OF
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 20 TO 25
KNOTS WITH GUSTS TO 30 KNOTS. PERIODS OF SHOWERS AND THUNDERSTORMS
LIKELY EARLY IN THE MORNING...THEN SCATTERED LIGHT SHOWERS AND A
CHANCE OF THUNDERSTORMS 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 SMALL CRAFT ADVISORY MAY BE NEEDED.

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

THE WATER TEMPERATURE AT BELLE ISLE IS 51.2 DEGREES.

$$

SF

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



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