Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 220238
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
938 PM EST SUN DEC 21 2014

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...HIGH PRESSURE...30.60 INCHES...OVER THE FAR EASTERN
GREAT LAKES WILL SLOWLY EXIT TO THE EAST TONIGHT. LOW PRESSURE IS
FORECAST TO DEVELOP OVER THE PLAINS TONIGHT AND DEEPEN TO 29.40
INCHES BY MONDAY MORNING. THIS LOW WILL SLOWLY TRACK FROM THE
CENTRAL PLAINS MONDAY TO THE UPPER GREAT LAKES BY TUESDAY EVENING
WHILE WEAKENING. A SECOND AREA OF LOW PRESSURE IS FORECAST TO
DEVELOP OVER THE GULF COASTAL REGION ON TUESDAY AND RAPIDLY
STRENGTHEN AS IT TRAVERSES THE EASTERN GREAT LAKES WEDNESDAY
AFTERNOON AND WEDNESDAY NIGHT.

LHZ361-220915-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
938 PM EST SUN DEC 21 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO
3 TO 5 FEET.
.MONDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. WAVES 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS...BECOMING EAST
20 TO 25 KNOTS LATE. A CHANCE OF SHOWERS. WAVES 4 TO 6 FEET.
.TUESDAY...EAST WINDS 20 TO 25 KNOTS...BECOMING SOUTHEAST 10 TO
15 KNOTS BY MID AFTERNOON. SHOWERS. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...BECOMING LIGHT AND
VARIABLE OVERNIGHT. SHOWERS LIKELY. WAVES 3 TO 5 FEET...SUBSIDING
TO 1 TO 3 FEET LATE.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON...THEN BECOMING NORTH 10 TO 15 KNOTS IN
THE EVENING...BECOMING WEST 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
AFTER MIDNIGHT. SHOWERS LIKELY. SNOW SHOWERS LIKELY. WAVES 1 TO
3 FEET...BUILDING TO 6 TO 9 FEET. WAVES OCCASIONALLY AROUND
12 FEET.
.THURSDAY...WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT
GALES...DIMINISHING TO 5 TO 10 KNOTS. SNOW SHOWERS LIKELY EARLY...
THEN A CHANCE OF SNOW SHOWERS THROUGH MID AFTERNOON. WAVES 6 TO
9 FEET...SUBSIDING TO 2 TO 4 FEET BY MIDNIGHT. WAVES OCCASIONALLY
AROUND 12 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS LATE. A CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET.


$$

LHZ362-363-220915-
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-
938 PM EST SUN DEC 21 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO
15 TO 20 KNOTS. WAVES 1 TO 3 FEET...BUILDING TO 3 TO 5 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHEAST. WAVES
3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS...INCREASING TO
20 TO 25 KNOTS LATE. A CHANCE OF SHOWERS. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY...SOUTHEAST WINDS 20 TO 25 KNOTS...DIMINISHING TO 15 TO
20 KNOTS BY MID AFTERNOON. SHOWERS. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. SHOWERS LIKELY. WAVES 3 TO 5 FEET...
SUBSIDING TO 1 TO 3 FEET LATE.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING EAST 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTH 15 TO 20 KNOTS IN
THE EVENING...BECOMING SOUTHWEST TO 30 KNOTS WITH GUSTS TO
35 KNOT GALES AFTER MIDNIGHT. SHOWERS. SNOW SHOWERS LIKELY.
SHOWERS LIKELY LATE IN THE EVENING. WAVES 4 TO 6 FEET...BUILDING
TO 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.
.THURSDAY...WEST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES...
BECOMING SOUTHWEST 10 TO 15 KNOTS. SNOW SHOWERS LIKELY EARLY. A
CHANCE OF SNOW SHOWERS. WAVES 8 TO 12 FEET...SUBSIDING TO 4 TO
6 FEET BY MIDNIGHT. WAVES OCCASIONALLY AROUND 15 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...VEERING TO THE WEST BY
LATE EVENING. A CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FEET.


$$

LHZ462>464-220915-
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-
938 PM EST SUN DEC 21 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO
2 TO 4 FEET AFTER MIDNIGHT.
.MONDAY...SOUTHEAST WINDS 15 TO 20 KNOTS LATE. WAVES 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF
SHOWERS. WAVES 3 TO 5 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SHOWERS. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT...THEN BECOMING SOUTHEAST 10 TO 15 KNOTS
LATE. SHOWERS LIKELY. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO
3 FEET BY MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS...BECOMING SOUTH
20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS IN THE EVENING...THEN
VEERING TO THE SOUTHWEST WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT.
SHOWERS THROUGH LATE AFTERNOON...THEN SHOWERS LIKELY IN THE
EVENING. SNOW SHOWERS LIKELY. WAVES 4 TO 6 FEET...BUILDING TO
6 TO 9 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 12 FEET.
.THURSDAY...WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS...
BECOMING SOUTHWEST 10 TO 15 KNOTS. SNOW SHOWERS LIKELY EARLY.
WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 2 TO 4 FEET.


$$

LHZ461-220915-
MAFOR 2204/
HURON NORTH 13420 11320 11310 13320. A CHANCE OF RAIN SHOWERS
MONDAY EVENING. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET
OVERNIGHT WITH MAXIMUM WAVE HEIGHT AROUND 6 FEET OVERNIGHT. WAVES
3 TO 5 FEET WITH MAXIMUM WAVE HEIGHT AROUND 6 FEET MONDAY AND
MONDAY EVENING. 220204.

HURON SOUTH 11410 11420 11320 14310 11320. A CHANCE OF RAIN
SHOWERS MONDAY EVENING. WAVES 2 TO 4 FEET. 210103 210204.

$$

RBP

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



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