Great Lakes Forecast
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597
FZUS63 KDTX 220141
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
941 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 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-
941 PM EDT THU MAY 21 2015

.REST OF TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...BECOMING
NORTH 10 TO 15 KNOTS AFTER MIDNIGHT. WAVES 3 TO 5 FEET...
SUBSIDING TO 1 TO 3 FEET LATE.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS...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 2 FEET OR LESS.
.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-
941 PM EDT THU MAY 21 2015

.REST OF TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...VEERING TO
THE NORTH LATE. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND
8 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 MID AFTERNOON.
.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 1 TO 3 FEET.
.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-
941 PM EDT THU MAY 21 2015

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MIDNIGHT...THEN BECOMING NORTHWEST 15 TO 20 KNOTS
LATE. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY MIDNIGHT.
.FRIDAY...NORTH WINDS 15 TO 20 KNOTS...BECOMING LIGHT AND
VARIABLE. WAVES 3 TO 5 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 2203/
HURON NORTH 12720 11820 12810 12710 11610. WAVES 3 TO 5 FEET
WITH MAXIMUM WAVE HEIGHT AROUND 6 FEET OVERNIGHT. WAVES 2 TO 4
FEET SUBSIDING TO 1 TO 3 FEET FRIDAY. WAVES 2 FEET OR LESS FRIDAY
EVENING. 220305.

HURON SOUTH 12710 11720 11820 12810 11100 11300. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET OVERNIGHT. WAVES 2 TO 4 FEET
FRIDAY. WAVES 2 FEET OR LESS FRIDAY EVENING. 210103 210204.

$$

SC

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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