Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 210142
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
942 PM 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 PERSIST ACROSS THE AREA THIS
EVENING AND INTO THURSDAY. A WEAK TROUGH OF LOW
PRESSURE...AVERAGING 29.90 INCHES...ALONG WITH A COLD FRONT WILL
PUSH ACROSS THE REGION LATE THURSDAY INTO THURSDAY NIGHT BRINGING
A CHANGE IN THE WINDS FROM SOUTHWEST TO NORTHWEST.

LHZ361-210815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
942 PM EDT WED MAY 20 2015

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS BY EARLY AFTERNOON...THEN INCREASING TO 15 TO 20 KNOTS
LATE. WAVES 2 FEET OR LESS...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...BACKING TO THE WEST IN THE
AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS LATE. WAVES 2 FEET
OR LESS.
.FRIDAY NIGHT...WEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTH
LATE...THEN BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT. WAVES
2 FEET OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...VEERING TO THE SOUTH BY
MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY. A CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES 2 FEET OR LESS.


$$

LHZ362-363-210815-
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-
942 PM EDT WED MAY 20 2015

.REST OF 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 LATE MORNING. 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 VEERING TO THE NORTHWEST
10 TO 15 KNOTS LATE. WAVES 3 TO 5 FEET.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE
SOUTHWEST AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTH
LATE. A CHANCE OF THUNDERSTORMS LATE. A CHANCE OF SHOWERS. WAVES
2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE...THEN SHOWERS AND THUNDERSTORMS LIKELY. A
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES
2 FEET OR LESS.


$$

LHZ462>464-210815-
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-
942 PM EDT WED MAY 20 2015

.REST OF TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. 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. WAVES 1 TO 3 FEET...
BUILDING TO 2 TO 4 FEET AFTER 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 SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.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 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 LATE...THEN
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.


$$

LHZ461-210815-
MAFOR 2103/
HURON NORTH 11500 11600 12500 12510 11620 11720. WAVES 1 TO
3 FEET OVERNIGHT AND THURSDAY. WAVES 2 TO 4 FEET THURSDAY
EVENING. 220002.

HURON SOUTH 11400 11500 12600 11500 11410 11510 11610.
WAVES 2 FEET OR LESS. 220101.

$$

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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