Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 201354
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
949 AM EDT SAT SEP 20 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE HURON

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.

.SYNOPSIS...LOW PRESSURE...AVERAGING 29.40 INCHES...ALONG THE NORTH
SHORE OF LAKE SUPERIOR TODAY WILL PULL A COLD FRONT THROUGH LAKE
HURON AND LOWER MICHIGAN TODAY AND TONIGHT. SHOWERS AND STRONG
THUNDERSTORMS WILL BE POSSIBLE ALONG AND AHEAD OF THIS FRONT...
FOLLOWED BY A STRONGER COLD FRONT SUNDAY. THERE WILL BE A CHANCE FOR
MORE THUNDERSTORMS SUNDAY INTO SUNDAY EVENING BEFORE THE WIND TURNS
FROM THE NORTH AND BRINGS COOLER AND LESS HUMID AIR BACK INTO THE
REGION. THE NORTHERLY FLOW WILL BUILD WAVES OVER THE SOUTH HALF OF
LAKE HURON UNTIL HIGH PRESSURE SETTLES IN FOR THE MIDDLE OF THE
WEEK.

LHZ361-202000-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
949 AM EDT SAT SEP 20 2014

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SHOWERS BY LATE
MORNING. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY BY MID
AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...BECOMING
LIGHT AND VARIABLE OVERNIGHT. A CHANCE OF SHOWERS EARLY IN THE
EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT. A CHANCE OF
THUNDERSTORMS LATE. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET
AFTER MIDNIGHT.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS...BECOMING NORTH 10 TO
15 KNOTS BY AFTERNOON. SHOWERS LIKELY. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH
IN THE AFTERNOON...THEN BACKING TO THE NORTHWEST LATE...BACKING
TO THE SOUTH AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.


$$

LHZ362-363-202000-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
949 AM EDT SAT SEP 20 2014

.REST OF TODAY...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 15 TO 20 KNOTS LATE. SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY
AROUND 12 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS EARLY IN THE EVENING...
DIMINISHING TO 10 TO 15 KNOTS...THEN DIMINISHING TO 5 TO 10 KNOTS
AFTER MIDNIGHT...BECOMING LIGHT AND VARIABLE. SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS EARLY IN THE EVENING. A CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 8 FEET.
.SUNDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST 5 TO
10 KNOTS IN THE AFTERNOON...THEN BECOMING NORTH 15 TO 20 KNOTS
LATE. SHOWERS LIKELY. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET
LATE.
.SUNDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS LATE. A CHANCE OF
SHOWERS. WAVES 4 TO 6 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS IN THE AFTERNOON...THEN VEERING TO THE NORTHEAST LATE...
VEERING TO THE EAST AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. WAVES 2 FEET OR LESS.


$$

LHZ462>464-202000-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
949 AM EDT SAT SEP 20 2014

.REST OF TODAY...SOUTHWEST WINDS 20 TO 25 KNOTS...DIMINISHING TO
15 TO 20 KNOTS LATE. A CHANCE OF SHOWERS BY LATE MORNING. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY LATE. WAVES 5 TO 7 FEET.
WAVES OCCASIONALLY AROUND 10 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS EARLY IN THE EVENING...THEN A CHANCE OF SHOWERS BY
MIDNIGHT. WAVES 3 TO 5 FEET.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS...VEERING TO THE WEST IN THE
AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS LATE. A CHANCE OF
SHOWERS EARLY...THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
BY LATE MORNING. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET
LATE.
.SUNDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS
THROUGH MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A CHANCE
OF SHOWERS AFTER MIDNIGHT. WAVES 4 TO 6 FEET.
.MONDAY...NORTH WINDS 15 TO 20 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING WEST 5 TO 10 KNOTS IN
THE EVENING...INCREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT. WAVES
3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY AROUND
8 FEET.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS IN THE AFTERNOON...THEN VEERING TO THE EAST AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.


$$

LHZ461-202000-
MAFOR 2015/
HURON NORTH 12536 11530 13520 11500 11506. A CHANCE OF
THUNDERSTORMS THIS AFTERNOON. A CHANCE OF THUNDERSTORMS LATE THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT TONIGHT. A CHANCE OF SHOWERS SUNDAY
MORNING. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET THIS
AFTERNOON. WAVES 5 TO 7 FEET SUBSIDING TO 2 TO 4 FEET OVERNIGHT.
WAVES OCCASIONALLY AROUND 10 FEET TONIGHT. WAVES 1 TO 3 FEET
SUBSIDING TO 2 FEET OR LESS SUNDAY MORNING. 220508.

HURON SOUTH 12530 11536 11526 12520 11410 11510. A CHANCE OF
SHOWERS LATE THIS MORNING. A CHANCE OF THUNDERSTORMS THIS AFTERNOON.
A CHANCE OF THUNDERSTORMS LATE THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT TONIGHT. A CHANCE OF SHOWERS SUNDAY MORNING. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET THIS AFTERNOON. WAVES 4 TO
6 FEET SUBSIDING TO 2 TO 4 FEET OVERNIGHT. WAVES OCCASIONALLY AROUND
8 FEET TONIGHT. WAVES 1 TO 3 FEET SUBSIDING TO 2 FEET OR LESS SUNDAY
MORNING. 220406.

$$

SF

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)





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