Great Lakes Forecast
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000
FZUS63 KDTX 200745
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 AM EDT WED MAY 20 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...SURFACE HIGH PRESSURE WILL GRADUALLY BUILD INTO THE
WESTERN AND CENTRAL GREAT LAKES TODAY...STRENGTHENING TO 30.20
INCHES OVER LAKE MICHIGAN. A WEAK TROUGH OF LOW PRESSURE...AVERAGING
29.90 INCHES...WILL THEN DROP THROUGH THE AREA LATE THURSDAY INTO
THURSDAY NIGHT...PUSHING A COLD FRONT THROUGH THE REGION.

LHZ361-202015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
345 AM EDT WED MAY 20 2015

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


$$

LHZ362-363-202015-
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-
345 AM EDT WED MAY 20 2015

.TODAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS BY LATE MORNING...THEN BACKING TO THE SOUTH BY MID
AFTERNOON. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY MID
AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY...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.
.THURSDAY NIGHT...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...BECOMING NORTHWEST 5 TO
10 KNOTS IN THE EVENING...THEN BACKING TO THE SOUTHWEST AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS
LATE. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.


$$

LHZ462>464-202015-
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-
345 AM EDT WED MAY 20 2015

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


$$

LHZ461-202015-
MAFOR 2009/
HURON NORTH 11720 11710 11610 13510 11610 11600. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET WITH MAXIMUM WAVE HEIGHT AROUND 7
FEET TODAY. WAVES 1 TO 3 FEET TONIGHT. 210406 210204.

HURON SOUTH 11720 11710 12700 12400 12500. WAVES 4 TO 6 FEET
SUBSIDING TO 2 FEET OR LESS WITH MAXIMUM WAVE HEIGHT AROUND 8
FEET TODAY. WAVES 2 FEET OR LESS TONIGHT. 210507 210305.

$$

HLO

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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