Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 180837
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
337 AM EST SAT FEB 18 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...LOW PRESSURE...WILL WEAKEN TO 29.30 TODAY. HIGH
PRESSURE...29.80 INCHES...WILL ENTER THE GREAT LAKES REGION
SATURDAY...AND WILL GRADUALLY STRENGTHEN AND TAKE HOLD THROUGH
MONDAY. THE NEXT SYSTEM IS EXPECTED TO INFLUENCE THE REGION BY
TUESDAY...AS LOW PRESSURE...29.70 INCHES...MOVES NORTHEAST ACROSS
LAKE SUPERIOR.

LHZ361-182115-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
337 AM EST SAT FEB 18 2017

.TODAY...SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE WEST IN THE
LATE MORNING AND AFTERNOON. WAVES 2 TO 4 FEET.
.TONIGHT...WEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...WEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE
NORTHEAST AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW LATE IN THE AFTERNOON. RAIN
LIKELY LATE IN THE EVENING. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS UNTIL EARLY MORNING. RAIN LIKELY EARLY IN THE MORNING,
THEN A CHANCE OF RAIN IN THE AFTERNOON. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND EARLY MORNING.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS. A CHANCE OF RAIN UNTIL EARLY MORNING. WAVES 1 TO
3 FEET.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

LHZ362-363-182115-
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 EST SAT FEB 18 2017

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 3 TO 5 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS VEERING TO THE NORTHWEST
IN THE LATE MORNING AND AFTERNOON. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH
5 TO 10 KNOTS IN THE LATE EVENING AND OVERNIGHT. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND
OVERNIGHT.
.MONDAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS LATE IN THE EVENING. A CHANCE OF RAIN AFTER MIDNIGHT.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS. A CHANCE OF RAIN. WAVES 4 TO 6 FEET SUBSIDING TO
1 TO 3 FEET IN THE LATE EVENING AND EARLY MORNING. WAVES
OCCASIONALLY AROUND 8 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
SOUTH 15 TO 20 KNOTS EARLY IN THE EVENING BECOMING SOUTHWEST
10 TO 15 KNOTS IN THE LATE EVENING AND EARLY MORNING. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

LHZ462>464-182115-
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 EST SAT FEB 18 2017

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
.TONIGHT...WEST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO 10 KNOTS
EARLY IN THE MORNING. WAVES 1 TO 3 FEET.
.SUNDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET EARLY IN THE AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING LIGHT AND VARIABLE. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE LATE EVENING AND OVERNIGHT.
.MONDAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS. A CHANCE OF RAIN LATE IN THE EVENING. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET LATE IN THE EVENING.
.TUESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO
15 KNOTS UNTIL EARLY EVENING, THEN VEERING TO THE SOUTHWEST IN
THE LATE EVENING AND EARLY MORNING. A CHANCE OF RAIN EARLY IN THE
MORNING, THEN RAIN LIKELY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET UNTIL EARLY MORNING.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET UNTIL EARLY
MORNING.


$$

LHZ461-182115-
MAFOR 1810/
HURON NORTH 11410 11510 14610 11620 11610. WAVES 2 TO 4 FEET.
220204.

HURON SOUTH 11510 12520 14610 11610. WAVES 2 TO 4 FEET. 220204.

$$

SC

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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