Great Lakes Forecast
Issued by NWS

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802
FZUS63 KDTX 221937
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
337 PM EDT WED MAR 22 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OFF 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...HIGH PRESSURE OF 30.60 INCHES WILL BE OVER THE CENTRAL
GREAT LAKES TONIGHT...SLIDING TO THE EAST TOMORROW. THIS WILL ALLOW
A WARM FRONT TO LIFT INTO THE REGION TOMORROW NIGHT...STALLING OUT
ON FRIDAY OVER NORTHERN LAKE HURON. THE FRONTAL BOUNDARY WILL THEN
DROP SOUTH FRIDAY NIGHT INTO SATURDAY, AS HIGH PRESSURE BUILDS OVER
ONTARIO WITH LOW PRESSURE OF 29.70 INCHES SLOWLY TRACKING NORTHEAST
OUT FROM THE SOUTHERN PLAINS.

LHZ361-230815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
337 PM EDT WED MAR 22 2017

.TONIGHT...WEST WINDS 10 TO 15 KNOTS BECOMING LIGHT AND VARIABLE.
WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. WAVES 2 FEET OR LESS BUILDING TO 3 TO
5 FEET LATE IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN IN
THE EVENING. A CHANCE OF SNOW. RAIN...A CHANCE OF FREEZING RAIN
AND SLEET AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 8 FEET.
.FRIDAY...SOUTH WINDS 5 TO 10 KNOTS EARLY IN THE MORNING BECOMING
LIGHT AND VARIABLE. RAIN. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE LATE MORNING AND AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE
NORTHEAST IN THE LATE EVENING AND EARLY MORNING...THEN INCREASING
TO 10 TO 15 KNOTS AFTER MIDNIGHT. RAIN LIKELY. A CHANCE OF SNOW
LATE IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS. SNOW LIKELY AND A CHANCE
OF RAIN. A CHANCE OF SLEET LATE IN THE AFTERNOON. WAVES 4 TO
6 FEET BUILDING TO 5 TO 7 FEET LATE IN THE EVENING. WAVES
OCCASIONALLY AROUND 10 FEET.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO 15 KNOTS
UNTIL EARLY MORNING. SNOW LIKELY EARLY IN THE MORNING. A CHANCE
OF RAIN. A CHANCE OF SNOW UNTIL EARLY MORNING. WAVES 4 TO 6 FEET.
.MONDAY...EAST WINDS 5 TO 10 KNOTS EARLY IN THE MORNING BECOMING
LIGHT AND VARIABLE. A CHANCE OF RAIN AND SNOW EARLY IN THE
MORNING. A CHANCE OF RAIN EARLY IN THE EVENING...THEN RAIN AND
SNOW LIKELY IN THE LATE EVENING AND EARLY MORNING. WAVES 2 TO
4 FEET SUBSIDING TO 2 FEET OR LESS. WAVES OCCASIONALLY AROUND
8 FEET.


$$

LHZ362-363-230815-
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 PM EDT WED MAR 22 2017

.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTH
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 15 TO
20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE
AFTERNOON.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. GUSTS TO 30 KNOTS
EARLY IN THE EVENING. A CHANCE OF RAIN IN THE EVENING. A CHANCE OF
SNOW UNTIL EARLY MORNING. RAIN AND A CHANCE OF FREEZING RAIN
AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8
FEET.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. RAIN. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE
NORTHEAST IN THE LATE EVENING AND EARLY MORNING...THEN INCREASING
TO 10 TO 15 KNOTS AFTER MIDNIGHT. RAIN. SNOW LIKELY AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
.SATURDAY...NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING EAST 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS. RAIN AND
SNOW. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE LATE EVENING AND EARLY MORNING. RAIN AND SNOW.
WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING LIGHT AND VARIABLE.
A CHANCE OF RAIN AND SNOW EARLY IN THE MORNING. RAIN AND SNOW
LIKELY AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR
LESS.


$$

LHZ462>464-230815-
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 PM EDT WED MAR 22 2017

.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 10 KNOTS
EARLY IN THE MORNING. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. A CHANCE OF
RAIN AND SNOW IN THE EVENING. RAIN AFTER MIDNIGHT. WAVES 2 TO 4
FEET BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND OVERNIGHT.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS EARLY IN THE AFTERNOON. RAIN. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET EARLY IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE
NORTHEAST IN THE LATE EVENING AND OVERNIGHT. RAIN. WAVES 2 FEET
OR LESS.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO
20 KNOTS LATE IN THE EVENING. RAIN. SNOW LIKELY EARLY IN THE
EVENING. WAVES 3 TO 5 FEET.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO 10 KNOTS
IN THE LATE EVENING AND EARLY MORNING. SNOW EARLY IN THE MORNING.
RAIN. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
EVENING AND EARLY MORNING.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS UNTIL AFTERNOON BECOMING
LIGHT AND VARIABLE. A CHANCE OF RAIN EARLY IN THE MORNING. A
CHANCE OF RAIN IN THE EVENING...THEN RAIN LIKELY AFTER MIDNIGHT.
WAVES 2 FEET OR LESS.


$$

LHZ461-230815-
MAFOR 2221/
HURON NORTH 12710 11700 11600 11500 11400 11410 11420.
WAVES 2 FEET OR LESS TONIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET THURSDAY. 220102.

HURON SOUTH 12700 11600 12500 13410. WAVES 1 TO 3 FEET.
220102.

$$

SF

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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