Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 132057
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
356 PM EST MON FEB 13 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...30.20 INCHES...WILL CONTINUE TO BUILD
INTO THE GREAT LAKES REGION THROUGH THE EVENING.  A LOW PRESSURE
SYSTEM...29.40 INCHES...WILL DROP DOWN OVER THE NORTHERN GREAT LAKES
ON TUESDAY.  THIS SYSTEM WILL THEN SWING A COLD FRONT ACROSS THE
REGION ON TUESDAY NIGHT.

LHZ361-140900-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
356 PM EST MON FEB 13 2017

...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY
AFTERNOON...

.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN DECREASING
TO 10 TO 15 KNOTS EARLY IN THE MORNING. A CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE
LATE EVENING AND OVERNIGHT.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. A CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
30 KNOTS BECOMING NORTHWEST 20 TO 25 KNOTS WITH GUSTS UP TO
35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS IN THE EVENING.
A CHANCE OF SNOW IN THE LATE EVENING AND OVERNIGHT. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 25 KNOTS DECREASING TO 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS TO 35 KNOT
GALES. A CHANCE OF SNOW EARLY IN THE MORNING. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY AROUND 8 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
.THURSDAY...NORTH WINDS 10 TO 15 KNOTS BECOMING LIGHT AND
VARIABLE. WAVES 2 FEET OR LESS.
.FRIDAY...LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO
10 KNOTS UNTIL EARLY EVENING...THEN BECOMING SOUTH 10 TO 15 KNOTS
IN THE LATE EVENING AND EARLY MORNING. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS BECOMING WEST 10 TO
15 KNOTS UNTIL EARLY MORNING. WAVES 2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREASS.

$$

LHZ362-363-140900-
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-
356 PM EST MON FEB 13 2017

...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY
AFTERNOON...

.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. WAVES 2 TO 4 FEET
BUILDING TO 5 TO 7 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES
OCCASIONALLY AROUND 10 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. A CHANCE OF SNOW
SHOWERS IN THE LATE MORNING AND AFTERNOON. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING
NORTHWEST TO 30 KNOTS WITH GUSTS UP TO 40 KNOTS AFTER MIDNIGHT. A
CHANCE OF SNOW SHOWERS IN THE EVENING. A CHANCE OF RAIN UNTIL
EARLY MORNING. A CHANCE OF SNOW IN THE LATE EVENING AND
OVERNIGHT. WAVES 4 TO 6 FEET BUILDING TO 6 TO 9 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY AROUND 12 FEET.
.WEDNESDAY...NORTHWEST WINDS TO 30 KNOTS DECREASING TO 20 TO
25 KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS TO 40 KNOT
GALES. A CHANCE OF SNOW UNTIL LATE AFTERNOON. WAVES 8 TO 12 FEET.
WAVES OCCASIONALLY AROUND 15 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS UP
TO 30 KNOTS DECREASING TO 15 TO 20 KNOTS WITH GUSTS UP TO
30 KNOTS IN THE LATE EVENING AND OVERNIGHT. WAVES 5 TO 7 FEET.
WAVES OCCASIONALLY AROUND 10 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS LATE IN THE MORNING...THEN BECOMING WEST 5 TO 10 KNOTS
LATE IN THE EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS BACKING TO THE SOUTH IN THE
LATE MORNING AND EARLY AFTERNOON...THEN INCREASING TO 10 TO
15 KNOTS UNTIL EARLY MORNING. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.

WAVE HEIGHTS ARE FOR ICE FREE AREASS.

$$

LHZ462-463-140900-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
356 PM EST MON FEB 13 2017

...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY
AFTERNOON...

.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND OVERNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET LATE IN THE AFTERNOON.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST
20 TO 25 KNOTS WITH GUSTS UP TO 35 KNOTS. A CHANCE OF SNOW
SHOWERS AND RAIN IN THE EVENING. A CHANCE OF SNOW IN THE LATE
EVENING AND OVERNIGHT. WAVES 3 TO 5 FEET BUILDING TO 6 TO 9 FEET
AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 12 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO
35 KNOTS. A CHANCE OF SNOW. WAVES 8 TO 12 FEET. WAVES
OCCASIONALLY AROUND 15 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. GUSTS TO
30 KNOTS UNTIL EARLY MORNING. A CHANCE OF SNOW UNTIL EARLY
MORNING. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING LIGHT AND
VARIABLE. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE
AFTERNOON.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTH UNTIL
EARLY EVENING...THEN INCREASING TO 10 TO 15 KNOTS IN THE LATE
EVENING AND EARLY MORNING. WAVES 2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREASS.

$$

LHZ464-140900-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
356 PM EST MON FEB 13 2017

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

WAVE HEIGHTS ARE FOR ICE FREE AREASS.

$$

LHZ461-140300-
MAFOR 1322/
HURON NORTH 11420 13520 11510 13610. A CHANCE OF SNOW SHOWERS
OVERNIGHT AND TUESDAY. WAVES 2 FEET OR LESS BUILDING TO 3 TO 5
FEET TONIGHT. WAVES 2 TO 4 FEET TUESDAY. 210103 210204.

HURON SOUTH 11510 11520 12530 12520 12620. A CHANCE OF SNOW
SHOWERS TUESDAY. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET
TONIGHT. WAVES 3 TO 5 FEET TUESDAY. 220204.

$$

DG

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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