Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 210737
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
337 AM EDT SAT MAR 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...LOW PRESSURE...29.80 INCHES...WILL TRAVERSE GEORGIAN BAY
THIS MORNING THEN TRACK INTO SOUTHERN QUEBEC THIS AFTERNOON. THIS
SYSTEM WILL DRIVE A COLD FRONT ACROSS LAKE HURON EARLY THIS MORNING
AND INTO LAKE ERIE THIS AFTERNOON. HIGH PRESSURE...30.40
INCHES...WILL BUILD FROM CENTRAL CANADA INTO LOWER MICHIGAN ON
SUNDAY. THIS HIGH WILL THEN SLOWLY MOVE ACROSS THE EASTERN GREAT
LAKES MONDAY INTO TUESDAY.

LHZ361-212015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
337 AM EDT SAT MAR 21 2015

.TODAY...NORTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS LATE. GUSTS TO 30 KNOTS. SCATTERED SNOW SHOWERS EARLY. WAVES
3 TO 5 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS LATE. WAVES 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 3 TO
5 FEET BY AFTERNOON.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT...THEN BECOMING NORTHWEST 10 TO
15 KNOTS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.MONDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF RAIN AND
SNOW SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY LATE MORNING...THEN VEERING TO THE SOUTH LATE. RAIN
SHOWERS LIKELY. WAVES 2 FEET OR LESS.


$$

LHZ362-363-212015-
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-
337 AM EDT SAT MAR 21 2015

.TODAY...NORTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. SPRINKLES AND A
CHANCE OF SNOW SHOWERS EARLY. WAVES 2 TO 4 FEET...BUILDING TO
5 TO 7 FEET BY LATE MORNING. WAVES OCCASIONALLY AROUND 10 FEET.
.TONIGHT...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.
.SUNDAY...NORTHWEST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS IN
THE AFTERNOON. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND
10 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. WAVES 3 TO
5 FEET.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS THROUGH LATE AFTERNOON...
BECOMING LIGHT AND VARIABLE. WAVES 1 TO 3 FEET.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 10 TO
15 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT. WAVES
2 FEET OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS BY MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES 1 TO 3
FEET.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

LHZ462>464-212015-
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-
337 AM EDT SAT MAR 21 2015

.TODAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING...THEN BECOMING
NORTH 15 TO 20 KNOTS LATE. A CHANCE OF RAIN AND SNOW SHOWERS
EARLY. WAVES 2 TO 4 FEET...BUILDING TO 5 TO 7 FEET BY LATE
MORNING. WAVES OCCASIONALLY AROUND 10 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...INCREASING TO 20 TO 25 KNOTS LATE. WAVES 6 TO 9 FEET.
WAVES OCCASIONALLY AROUND 12 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS LATE. WAVES 5 TO 7 FEET...SUBSIDING TO 1 TO 3 FEET.
WAVES OCCASIONALLY AROUND 10 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH
5 TO 10 KNOTS LATE. WAVES 2 TO 4 FEET.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. WAVES 1 TO 3 FEET.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS LATE. A CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT.
WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS LATE. A CHANCE OF RAIN SHOWERS. WAVES 2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

LHZ461-212015-
MAFOR 2109/
HURON NORTH 11617 15730 11730. WAVES 1 TO 3 FEET BUILDING TO 3
TO 5 FEET WITH MAXIMUM WAVE HEIGHT AROUND 7 FEET TODAY. WAVES 4
TO 6 FEET WITH MAXIMUM WAVE HEIGHT AROUND 8 FEET TONIGHT. 220103.

HURON SOUTH 11516 11620 11730 11830 12820 11830 11730. A
CHANCE OF SNOW SHOWERS IN THE MORNING TODAY. WAVES 2 FEET OR LESS
BUILDING TO 4 TO 6 FEET WITH MAXIMUM WAVE HEIGHT AROUND 8 FEET
TODAY. WAVES 4 TO 6 FEET BUILDING TO 5 TO 7 FEET OVERNIGHT WITH
MAXIMUM WAVE HEIGHT AROUND 10 FEET TONIGHT. 210001 210103.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

DRK/SC

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



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