Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 211354
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM 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 WEAK TROUGH OF LOW PRESSURE...AVERAGING 29.90
INCHES...WILL DROP THROUGH THE CENTRAL GREAT LAKES LATE THIS
AFTERNOON THROUGH TONIGHT AND PULL A COLD FRONT THROUGH THE REGION.
HIGH PRESSURE WILL AGGRESSIVELY REBUILD TOMORROW AND PERSIST THROUGH
SATURDAY.

LHZ361-212030-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
954 AM EDT THU MAY 21 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST.
WAVES 2 FEET OR LESS...BUILDING TO 3 TO 5 FEET LATE.
.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY MIDNIGHT...THEN BECOMING NORTHWEST 10 TO 15 KNOTS
LATE. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS BY AFTERNOON. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST
5 TO 10 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON...THEN VEERING TO THE WEST IN THE
EVENING...BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. A CHANCE OF. A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS LATE. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.


$$

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-
954 AM EDT THU MAY 21 2015

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


$$

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-
954 AM EDT THU MAY 21 2015

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO
2 TO 4 FEET BY MIDNIGHT.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY
AFTERNOON.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST
5 TO 10 KNOTS LATE. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTH
IN THE AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS IN THE
EVENING...BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF. A CHANCE OF
SHOWERS. A CHANCE OF THUNDERSTORMS LATE. WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
2 FEET OR LESS.


$$

LHZ461-212030-
MAFOR 2115/
HURON NORTH 12510 11620 12720 11710 12810. WAVES 1 TO 3 FEET
THIS AFTERNOON. WAVES 2 TO 4 FEET TONIGHT. WAVES 1 TO 3 FEET
FRIDAY MORNING. 220102.

HURON SOUTH 11500 11410 11510 11610 13710 11810. WAVES 2
FEET OR LESS THIS AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4
FEET OVERNIGHT TONIGHT. WAVES 2 TO 4 FEET FRIDAY MORNING. 220002.

$$

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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