Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 211941
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
341 PM EDT THU MAY 21 2015

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 29.90 INCHES...WILL DROP SOUTH
THROUGH THE CENTRAL GREAT LAKES THIS EVENING AND TONIGHT. HIGH
PRESSURE...30.30 INCHES...WILL AGGRESSIVELY REBUILD TOMORROW AND
PERSIST THROUGH SATURDAY. A WARM FRONT WILL LIFT NORTH OVER THE
SECOND HALF OF THE WEEKEND.

LHZ361-220815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
341 PM EDT THU MAY 21 2015

.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 25
KNOTS...DIMINISHING TO 10 TO 15 KNOTS. WAVES 2 TO 4
FEET...SUBSIDING TO 1 TO 3 FEET LATE.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS...BACKING TO THE NORTHWEST BY
LATE MORNING...THEN BECOMING WEST 10 TO 15 KNOTS BY MID AFTERNOON.
WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS LATE. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
5 TO 10 KNOTS LATE. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR
LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.


$$

LHZ362-363-220815-
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-
341 PM EDT THU MAY 21 2015

.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MID AFTERNOON. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO
3 FEET BY LATE MORNING.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS BY AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 2 TO
4 FEET LATE.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO
4 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTH. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS BY LATE EVENING.
WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST 10 TO
15 KNOTS LATE...THEN BECOMING SOUTH 5 TO 10 KNOTS AFTER MIDNIGHT.
SHOWERS AND THUNDERSTORMS LIKELY...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS BY LATE MORNING...THEN DIMINISHING TO 5 TO 10 KNOTS BY
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET.


$$

LHZ462>464-220815-
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-
341 PM EDT THU MAY 21 2015

.TONIGHT...WEST WINDS 5 TO 15 KNOTS...BECOMING NORTHWEST 10 TO 15
KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS EARLY THIS EVENING.
WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY MIDNIGHT.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS THROUGH MID AFTERNOON...
BECOMING LIGHT AND VARIABLE. WAVES 2 TO 4 FEET...SUBSIDING TO
1 TO 3 FEET LATE.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS LATE. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. THUNDERSTORMS LIKELY.
SHOWERS LIKELY BY LATE EVENING. WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. SHOWERS AND THUNDERSTORMS LIKELY...THEN A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FEET.


$$

LHZ461-220815-
MAFOR 2121/
HURON NORTH 11620 13720 13810 11710. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 5 FEET OVERNIGHT WITH MAXIMUM WAVE HEIGHT AROUND
7 FEET TONIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET
FRIDAY. 210204 210305.

HURON SOUTH 11510 11610 13710 11820 12810. A CHANCE OF
SHOWERS LATE TONIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
OVERNIGHT TONIGHT. WAVES 2 TO 4 FEET FRIDAY. 220102.

$$

SF

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLE (ALL LOWER CASE)

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


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