Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 191919
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
319 PM EDT TUE AUG 19 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 SLOW MOVING AND WEAKENING LOW PRESSURE SYSTEM...OF
29.60 INCHES...WILL DESCEND THROUGH THE GREAT LAKES BY THURSDAY. FOR
THE END OF THE WEEK AND WEEKEND...THERE IS NOT EXPECTED TO BE AN
ORGANIZED SURFACE HIGH...RATHER PERSISTENT TROUGHING.

LHZ361-200815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
319 PM EDT TUE AUG 19 2014

.TONIGHT...EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS THROUGH EARLY
AFTERNOON...BECOMING LIGHT AND VARIABLE. A CHANCE OF SHOWERS AND
THUNDERSTORMS BY LATE MORNING. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR
LESS.
.THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS
LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR
LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS...VEERING TO THE WEST BY
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET.


$$

LHZ362-363-200815-
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-
319 PM EDT TUE AUG 19 2014

.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
WAVES 2 TO 4 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS EARLY...BECOMING LIGHT
AND VARIABLE. A CHANCE OF SHOWERS AND THUNDERSTORMS BY LATE
MORNING. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS. A CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH LATE AFTERNOON. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH LATE
AFTERNOON. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT.
WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY MIDNIGHT.


$$

LHZ462>464-200815-
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-
319 PM EDT TUE AUG 19 2014

.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET...
BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS THROUGH EARLY AFTERNOON...
BECOMING LIGHT AND VARIABLE. A CHANCE OF SHOWERS AND
THUNDERSTORMS BY LATE MORNING. SHOWERS AND THUNDERSTORMS LIKELY
BY MID AFTERNOON. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS. A CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS...VEERING TO THE
EAST AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTHEAST. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH LATE AFTERNOON. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. WAVES 1 TO 3 FEET.


$$

LHZ461-200815-
MAFOR 1921/
HURON NORTH 11319 11310 12320 11310 13300. PATCHY FOG AFTER
MIDNIGHT TONIGHT. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS WEDNESDAY AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET OVERNIGHT TONIGHT. WAVES
1 TO 3 FEET SUBSIDING TO 2 FEET OR LESS WEDNESDAY. 210204 210103.

HURON SOUTH 12419 12320 11410 11400 12409. PATCHY FOG AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT
TONIGHT. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS WEDNESDAY MORNING. WAVES 2 FEET OR LESS BUILDING TO
1 TO 3 FEET OVERNIGHT TONIGHT. WAVES 1 TO 3 FEET SUBSIDING TO 2 FEET
OR LESS WEDNESDAY. 220102.

$$

MANN/DG

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






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