Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 201948
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON...CORRECTED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 PM 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...A COLD FRONT AVERAGING 29.70 INCHES WILL SLOWLY WORK
THROUGH THE CENTRAL GREAT LAKES TONIGHT...TRIGGERING SHOWERS AND
STRONG THUNDERSTORMS...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 BRING 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.

LHZ361-210800-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
345 PM EDT SAT SEP 20 2014

.TONIGHT...WEST WINDS 5 TO 15 KNOTS THROUGH MIDNIGHT...BECOMING
LIGHT AND VARIABLE OVERNIGHT. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS EARLY THIS EVENING...THEN A CHANCE OF SHOWERS BY
MIDNIGHT. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.SUNDAY...NORTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. SCATTERED SHOWERS. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
THROUGH MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 15 TO
20 KNOTS LATE. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 10 KNOTS IN THE MORNING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTHEAST 5 TO
10 KNOTS. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. WAVES 2 FEET OR LESS.


$$

LHZ362-363-210800-
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-
345 PM EDT SAT SEP 20 2014

.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS EARLY THIS EVENING...
DIMINISHING TO 10 TO 15 KNOTS...THEN DIMINISHING TO 5 TO 10 KNOTS
AFTER MIDNIGHT...BECOMING LIGHT AND VARIABLE. SHOWERS AND A
CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT...THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 8 FEET.
.SUNDAY...NORTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS LATE. GUSTS TO 30 KNOTS. NUMEROUS SHOWERS. WAVES 1 TO
3 FEET...BUILDING TO 2 TO 4 FEET LATE.
.SUNDAY NIGHT...NORTH WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE
OF SHOWERS. WAVES 4 TO 6 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 3 TO 5 FEET...
SUBSIDING TO 2 TO 4 FEET LATE. WAVES OCCASIONALLY AROUND 8 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET LATE.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS...BACKING TO THE EAST AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS LATE...THEN DIMINISHING TO 5 TO 10 KNOTS AFTER MIDNIGHT.
WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.


$$

LHZ462>464-210800-
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-
345 PM EDT SAT SEP 20 2014

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


$$

LHZ461-210200-
MAFOR 2021/
HURON NORTH 11539 12526 11520 11500 12820 11830. A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT TONIGHT. SCATTERED SHOWERS
SUNDAY. WAVES 5 TO 7 FEET SUBSIDING TO 2 TO 4 FEET OVERNIGHT. WAVES
OCCASIONALLY AROUND 10 FEET TONIGHT. WAVES 1 TO 3 FEET SUNDAY.
210508 210406.

HURON SOUTH 11536 12526 11520 11410 11816 11826 11836. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS AFTER MIDNIGHT TONIGHT.
A CHANCE OF THUNDERSTORMS SUNDAY. 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. 210406 210305.

$$

SF

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








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