Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 201343
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
943 AM EDT FRI MAR 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...LOW PRESSURE...30.00 INCHES...WILL WEAKEN OVER THE UPPER
OHIO VALLEY TODAY. A COLD FRONT WILL SLIDE INTO THE NORTHERN GREAT
LAKE FROM CANADA LATE TODAY. LOW PRESSURE...29.70 INCHES...IS
FORECAST TO DEVELOP ALONG THIS FRONT OVER EASTERN ONTARIO TONIGHT.
THIS SYSTEM WILL DRIVE THE FRONT INTO THE EASTERN GREAT LAKES ON
SATURDAY AS IT LIFTS ACROSS SOUTHERN QUEBEC. STRONG HIGH PRESSURE
WILL SLOWLY BUILD INTO THE REGION FROM THE NORTHWEST SUNDAY INTO
MONDAY.

LHZ361-202015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
943 AM EDT FRI MAR 20 2015

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS LATE. A CHANCE OF SHOWERS THROUGH MIDNIGHT...THEN RAIN
AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...NORTHWEST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS
LATE. A CHANCE OF SNOW SHOWERS EARLY. WAVES 3 TO 5 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 20 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 IN THE AFTERNOON...THEN DIMINISHING TO 10 TO 15 KNOTS IN
THE EVENING...DIMINISHING TO 5 TO 10 KNOTS AFTER MIDNIGHT. WAVES
2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS IN THE MORNING...BECOMING
LIGHT AND VARIABLE...THEN BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF RAIN AND
SNOW SHOWERS 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-
943 AM EDT FRI MAR 20 2015

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS. A
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS BY AFTERNOON. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY AROUND 8 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 25 KNOTS...DIMINISHING TO
15 TO 20 KNOTS LATE. GUSTS TO 30 KNOTS. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 10 TO 15 KNOTS
AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS IN THE MORNING...BECOMING
LIGHT AND VARIABLE...THEN BECOMING NORTHEAST 5 TO 10 KNOTS LATE...
BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS 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-
943 AM EDT FRI MAR 20 2015

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

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

LHZ461-202015-
MAFOR 2015/
HURON NORTH 13410 12510 11517 11610 11720. A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS
TONIGHT. A CHANCE OF RAIN AND SNOW SHOWERS SATURDAY MORNING.
WAVES 1 TO 3 FEET. 220103.

HURON SOUTH 13400 11410 13510 11620. A CHANCE OF RAIN SHOWERS
TONIGHT AND SATURDAY MORNING. WAVES 2 FEET OR LESS THIS AFTERNOON
AND TONIGHT. WAVES 1 TO 3 FEET SATURDAY MORNING. 220001.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

DG

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


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