Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 211344
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
935 AM EDT MON APR 21 2014

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...AVERAGING 29.90 INCHES...WILL DEVELOP
OVER THE UPPER MIDWEST TONIGHT AND MOVE ACROSS LOWER MICHIGAN MONDAY
EVENING...DEEPENING TO 29.60 INCHES. THE LOW WILL DEEPEN FURTHER AS
IT APPROACHES NEW ENGLAND TUESDAY. MEANWHILE HIGH
PRESSURE...AVERAGING 30.10 INCHES...WILL BUILD INTO THE GREAT LAKES
FROM THE WEST TUESDAY BECOMING CENTERED OVER LAKE HURON ON
WEDNESDAY. THE HIGH HOLD OVER THE REGION UNTIL THE NEXT LOW PRESSURE
SYSTEM MOVES IN AT THE END OF THE WEEK.

LHZ361-212000-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
935 AM EDT MON APR 21 2014

.REST OF TODAY...EAST WINDS 5 TO 10 KNOTS BY LATE MORNING...
BECOMING LIGHT AND VARIABLE. SHOWERS LIKELY UNTIL 2 PM...THEN A
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 15 TO
20 KNOTS OVERNIGHT. A CHANCE OF SHOWERS UNTIL 11 PM. WAVES 2 FEET
OR LESS...BUILDING TO 3 TO 5 FEET LATE.
.TUESDAY...NORTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES 3 TO 5 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
5 TO 10 KNOTS OVERNIGHT. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. A CHANCE OF SHOWERS UNTIL 6 PM...THEN SHOWERS
LIKELY. WAVES 3 TO 5 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...VEERING TO THE
SOUTHWEST LATE. SHOWERS LIKELY UNTIL 5 PM...THEN A CHANCE OF
SHOWERS. WAVES 2 TO 4 FEET.


$$

LHZ362-363-212000-
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-
935 AM EDT MON APR 21 2014

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS...BACKING TO THE EAST
LATE. A CHANCE OF SHOWERS UNTIL 2 PM...THEN SHOWERS LIKELY. WAVES
2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT...THEN BECOMING NORTHWEST 10 TO 15 KNOTS AFTER
MIDNIGHT...INCREASING TO 15 TO 20 KNOTS LATE. SHOWERS LIKELY AND
A CHANCE OF THUNDERSTORMS UNTIL 2 AM. WAVES 2 FEET OR LESS...
BUILDING TO 4 TO 6 FEET LATE. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS
THROUGH MID AFTERNOON. A CHANCE OF SHOWERS. WAVES 4 TO 6 FEET.
.TUESDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY AROUND 8 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. A CHANCE OF SHOWERS UNTIL 6 PM...THEN SHOWERS
LIKELY. WAVES 1 TO 3 FEET...BUILDING TO 3 TO 5 FEET LATE.
.FRIDAY...SOUTHEAST WINDS 15 TO 20 KNOTS...VEERING TO THE WEST
LATE. SHOWERS LIKELY UNTIL 5 PM...THEN A CHANCE OF SHOWERS. WAVES
3 TO 5 FEET.


$$

LHZ462>464-212000-
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-
935 AM EDT MON APR 21 2014

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS
AFTER 2 PM. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...VEERING TO THE SOUTHWEST
BY MIDNIGHT...THEN BECOMING NORTH 10 TO 15 KNOTS AFTER MIDNIGHT...
BECOMING NORTHWEST 15 TO 20 KNOTS LATE. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS UNTIL 5 AM. WAVES 2 FEET OR LESS...
BUILDING TO 2 TO 4 FEET LATE.
.TUESDAY...NORTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS
AFTER 2 PM. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF
SHOWERS UNTIL 2 AM. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND
8 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS THROUGH LATE AFTERNOON...
BECOMING LIGHT AND VARIABLE. WAVES 3 TO 5 FEET...SUBSIDING TO
1 TO 3 FEET.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. SHOWERS LIKELY AFTER 6 PM. WAVES 1 TO 3 FEET...
BUILDING TO 3 TO 5 FEET LATE.
.FRIDAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS LATE. SHOWERS LIKELY UNTIL 5 PM...THEN A CHANCE OF
SHOWERS. WAVES 3 TO 5 FEET.


$$

LHZ461-212000-
MAFOR 2115/
HURON NORTH 13306 11606 11706 11720 11730 11720. A CHANCE OF
THUNDERSTORMS TONIGHT. A CHANCE OF RAIN SHOWERS TUESDAY MORNING.
WAVES 2 FEET OR LESS THIS AFTERNOON. WAVES 2 FEET OR LESS BUILDING
TO 1 TO 3 FEET OVERNIGHT TONIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET TUESDAY MORNING. 220001.

HURON SOUTH 13400 11506 11606 11716 12720. A CHANCE OF SHOWERS
THIS AFTERNOON. A CHANCE OF THUNDERSTORMS TONIGHT. WAVES 2 FEET OR
LESS THIS AFTERNOON AND TONIGHT. WAVES 3 TO 5 FEET TUESDAY MORNING.
220001.

$$

JVC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)






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