Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 210747
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
347 AM EDT THU JUL 21 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OFF 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...RIDGE OF HIGH PRESSURE OVER THE MID ATLANTIC...AVERAGING
30.10 INCHES...WILL PUSH OFFSHORE TODAY.  A WEAK SURFACE TROUGH OF
LOW PRESSURE...AT 29.70 INCHES...WILL MOVE EAST ACROSS THE NORTHERN
GREAT LAKES AND SOUTHERN ONTARIO TONIGHT BRINGING A CHANCE FOR
THUNDERSTORMS. HIGH PRESSURE THEN BUILDS BACK IN OVER THE GREAT
LAKES REGION BY SATURDAY.

LHZ361-212030-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
347 AM EDT THU JUL 21 2016

.TODAY...SOUTH WINDS 5 TO 10 KNOTS THROUGH EARLY AFTERNOON...
BECOMING LIGHT AND VARIABLE...THEN BECOMING EAST 5 TO 10 KNOTS
LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT...THEN VEERING TO THE WEST LATE. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON...VEERING TO THE EAST AFTER MIDNIGHT. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS
LATE...VEERING TO THE SOUTHWEST AFTER MIDNIGHT. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.MONDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY LATE MORNING...THEN BECOMING NORTHWEST 5 TO 10 KNOTS BY
MIDNIGHT. WAVES 1 TO 3 FEET.


$$

LHZ362-363-212030-
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-
347 AM EDT THU JUL 21 2016

.TODAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING EAST 5 TO 10 KNOTS
LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS BY LATE MORNING.
WAVES 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS BY MIDNIGHT...THEN BECOMING WEST 5 TO 10 KNOTS LATE. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS IN THE MORNING...BECOMING
LIGHT AND VARIABLE. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT...THEN VEERING TO THE WEST LATE.
WAVES 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN VEERING TO THE SOUTH AFTER
MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY...THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY LATE MORNING...THEN BECOMING NORTHWEST 10 TO 15 KNOTS
LATE. WAVES 1 TO 3 FEET.


$$

LHZ462>464-212030-
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-
347 AM EDT THU JUL 21 2016

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


$$

LHZ461-212030-
MAFOR 2109/
HURON NORTH 11500 12400 11300 11310 11410 12510. A CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH LATE AFTERNOON TODAY. A CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT TONIGHT. WAVES 2 TO 4
FEET. 220203.

HURON SOUTH 12510 12410 11400 11300 11410 11510. A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON TODAY. A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT TONIGHT. WAVES 2 FEET OR
LESS. 220202.

$$

RBP

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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