Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 181402
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1002 AM EDT MON MAY 18 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...LOW PRESSURE WILL TRACK ACROSS THE NORTHERN GREAT LAKES
TODAY AND EARLY TONIGHT...WEAKENING TO 29.80 INCHES. THE PASSAGE OF
THIS SYSTEM TO OUR NORTH WILL SEND A COLD FRONT ACROSS THE CENTRAL
GREAT LAKES THIS EVENING. SURFACE HIGH PRESSURE WILL THEN BUILD INTO
THE REGION TUESDAY INTO WEDNESDAY.

LHZ361-182015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
1002 AM EDT MON MAY 18 2015

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS LATE. WIDESPREAD FOG. WAVES 1 TO 3 FEET.
.TONIGHT...WEST WINDS 15 TO 20 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS BY MIDNIGHT...THEN BECOMING WEST 15 TO 20 KNOTS LATE.
WIDESPREAD FOG EARLY IN THE EVENING. WAVES 2 TO 4 FEET.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS...
INCREASING TO 20 TO 25 KNOTS LATE. WAVES 4 TO 6 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS LATE. WAVES 4 TO 6 FEET.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO
3 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE...THEN BECOMING NORTHWEST 5 TO 10 KNOTS AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.


$$

LHZ362-182015-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
1002 AM EDT MON MAY 18 2015

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS. WIDESPREAD FOG.
WAVES 2 TO 4 FEET.
.TONIGHT...NORTH WINDS 5 TO 10 KNOTS...BECOMING WEST 15 TO
20 KNOTS BY MIDNIGHT...THEN DIMINISHING TO 10 TO 15 KNOTS LATE.
WIDESPREAD FOG EARLY IN THE EVENING. WAVES 2 TO 4 FEET.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS. WAVES 5 TO 7 FEET...BUILDING TO
6 TO 9 FEET LATE. WAVES OCCASIONALLY AROUND 12 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 15 TO 20 KNOTS LATE. WAVES 6 TO 9 FEET.
WAVES OCCASIONALLY AROUND 12 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
5 TO 10 KNOTS IN THE AFTERNOON...THEN VEERING TO THE WEST AFTER
MIDNIGHT. WAVES 4 TO 6 FEET...SUBSIDING TO 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTH IN
THE AFTERNOON...THEN BECOMING NORTHWEST 10 TO 15 KNOTS LATE.
WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.


$$

LHZ363-182015-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
1002 AM EDT MON MAY 18 2015

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS. WIDESPREAD FOG.
WAVES 2 TO 4 FEET.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY MIDNIGHT...THEN BACKING TO THE WEST LATE. WIDESPREAD
FOG EARLY IN THE EVENING. WAVES 1 TO 3 FEET...BUILDING TO 2 TO
4 FEET AFTER MIDNIGHT.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS LATE. WAVES 2 TO 4 FEET...BUILDING TO 5 TO 7 FEET LATE.
WAVES OCCASIONALLY AROUND 10 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING SOUTH 5 TO
10 KNOTS IN THE AFTERNOON...THEN VEERING TO THE WEST AFTER
MIDNIGHT. WAVES 4 TO 6 FEET...SUBSIDING TO 2 FEET OR LESS. WAVES
OCCASIONALLY AROUND 8 FEET.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTH IN
THE AFTERNOON...THEN VEERING TO THE NORTHWEST LATE. WAVES 2 FEET
OR LESS.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. WAVES 2 FEET OR LESS.


$$

LHZ462>464-182015-
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-
1002 AM EDT MON MAY 18 2015

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. AREAS OF FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MIDNIGHT...THEN BACKING TO THE SOUTH 10 TO 15 KNOTS
AFTER MIDNIGHT...BECOMING WEST 5 TO 10 KNOTS LATE. AREAS OF FOG
EARLY IN THE EVENING. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY
IN THE EVENING. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY AFTERNOON. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. WAVES 5 TO
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS IN THE MORNING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 10 KNOTS.
WAVES 4 TO 6 FEET...SUBSIDING TO 2 FEET OR LESS. WAVES
OCCASIONALLY AROUND 8 FEET.
.THURSDAY...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO
10 KNOTS IN THE AFTERNOON...THEN VEERING TO THE NORTHWEST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. WAVES 2 FEET OR LESS.


$$

LHZ461-182015-
MAFOR 1815/
HURON NORTH 11413 11423 11513 11623 12720 12620. WAVES 2 TO
4 FEET. 220204.

HURON SOUTH 12413 12513 11520 11720 12600. A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT TONIGHT. WAVES 2 FEET OR
LESS. 220102.

$$

CB

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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