Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 212042
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 PM EST FRI NOV 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...MEASURING 30.50 INCHES...WILL SHIFT FROM
THE OHIO VALLEY TO THE EASTERN SEABOARD TONIGHT. LOW
PRESSURE...AVERAGING 29.40 INCHES...WILL MEANWHILE MOVE ACROSS
NORTHERN ONTARIO. STRONG FLOW BETWEEN THESE TWO SYSTEMS WILL CREATE
STRONG SOUTHWEST WINDS OVER THE CENTRAL GREAT LAKES TONIGHT INTO
EARLY SATURDAY. ANOTHER LOW PRESSURE SYSTEM WILL THEN LIFT THROUGH
THE GREAT LAKES SUNDAY INTO MONDAY.

LHZ361-220915-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
342 PM EST FRI NOV 21 2014

.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. WAVES 4 TO 6 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY AFTERNOON. WAVES 4 TO 6 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 2 TO
4 FEET...SUBSIDING TO 1 TO 3 FEET LATE. WAVES OCCASIONALLY AROUND
8 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SHOWERS LIKELY. WAVES
2 TO 4 FEET...BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS BY MIDNIGHT...THEN INCREASING TO 15 TO 20 KNOTS
LATE. RAIN. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 15 TO
20 KNOTS. SHOWERS LIKELY. A CHANCE OF SNOW SHOWERS. A CHANCE OF
SHOWERS BY LATE EVENING. WAVES 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 5 TO
10 KNOTS. A CHANCE OF SHOWERS EARLY. A CHANCE OF SNOW SHOWERS.
WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET LATE.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS LATE. A CHANCE OF SNOW SHOWERS. WAVES 2 FEET OR LESS.


$$

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-
342 PM EST FRI NOV 21 2014

...GALE WARNING IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY MORNING...

.TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...INCREASING TO
30 KNOTS BY LATE EVENING. GUSTS TO 35 KNOT GALES. A CHANCE OF
FREEZING RAIN AND SLEET LATE. WAVES 6 TO 9 FEET...BUILDING TO
10 TO 14 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 18 FEET.
.SATURDAY...SOUTHWEST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT
GALES...DIMINISHING TO 15 TO 20 KNOTS. A CHANCE OF FREEZING RAIN
EARLY. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS LATE. WAVES 4 TO 6 FEET.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS. SHOWERS LIKELY. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 20 TO 25 KNOTS...DIMINISHING TO
15 TO 20 KNOTS BY MIDNIGHT...THEN INCREASING TO 20 TO 25 KNOTS
WITH GUSTS TO 30 KNOTS LATE. RAIN. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE AFTERNOON...THEN
INCREASING TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES IN THE
EVENING...DIMINISHING TO 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT
GALES AFTER MIDNIGHT. SHOWERS LIKELY THROUGH LATE AFTERNOON...
THEN A CHANCE OF RAIN AND SNOW SHOWERS. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
.TUESDAY...WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT
GALES...DIMINISHING TO 10 TO 15 KNOTS. A CHANCE OF SHOWERS EARLY.
A CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 8 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET.


$$

LHZ462-463-220915-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
342 PM EST FRI NOV 21 2014

...GALE WARNING IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY MORNING...

.TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...INCREASING TO
30 KNOTS AFTER MIDNIGHT. GUSTS TO 35 KNOT GALES. A CHANCE OF SNOW
SHOWERS AND SLEET AFTER MIDNIGHT. FREEZING RAIN AND SLEET LATE.
WAVES 5 TO 7 FEET...BUILDING TO 6 TO 9 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY AROUND 12 FEET.
.SATURDAY...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT
GALES...DIMINISHING TO 15 TO 20 KNOTS LATE. FREEZING RAIN EARLY...
THEN A CHANCE OF SHOWERS LATE IN THE MORNING. A CHANCE OF SHOWERS
LATE. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING SOUTH
10 TO 15 KNOTS LATE. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS. SHOWERS LIKELY IN THE
MORNING...THEN A CHANCE OF SHOWERS BY AFTERNOON. WAVES 3 TO
5 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS...INCREASING TO
30 KNOTS OVERNIGHT. RAIN. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY
AROUND 10 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS...
BECOMING SOUTHWEST 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES. A
CHANCE OF SHOWERS. A CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FEET.
.TUESDAY...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...BECOMING WEST 10 TO 15 KNOTS. A CHANCE OF SHOWERS
EARLY. A CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS LATE. A CHANCE OF SNOW SHOWERS MAINLY BEFORE MIDNIGHT.
WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET.


$$

LHZ464-220915-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
342 PM EST FRI NOV 21 2014

.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW
SHOWERS AND SLEET AFTER MIDNIGHT. FREEZING RAIN AND SLEET LATE.
WAVES 3 TO 5 FEET.
.SATURDAY...SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 15 TO 20 KNOTS BY AFTERNOON. FREEZING
RAIN EARLY...THEN A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO
10 TO 15 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS. WAVES 2 TO
4 FEET...SUBSIDING TO 1 TO 3 FEET LATE.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS. SHOWERS LIKELY IN THE
MORNING...THEN A CHANCE OF SHOWERS BY AFTERNOON. WAVES 2 TO
4 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING SOUTH
20 TO 25 KNOTS OVERNIGHT. RAIN. WAVES 3 TO 5 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS. A CHANCE OF SHOWERS. A CHANCE OF
SNOW SHOWERS. WAVES 2 TO 4 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 10 TO
15 KNOTS LATE. A CHANCE OF SHOWERS EARLY. A CHANCE OF SNOW
SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET LATE.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY LATE EVENING. A CHANCE OF SNOW SHOWERS MAINLY BEFORE
MIDNIGHT. WAVES 1 TO 3 FEET.


$$

LHZ461-220915-
MAFOR 2122/
HURON NORTH...GALE WARNING IN EFFECT...11530 11530 19550 14540
19550 11530 19550 11530. A CHANCE OF LIGHT FREEZING RAIN AND
LIGHT SLEET AFTER MIDNIGHT TONIGHT. A CHANCE OF LIGHT FREEZING
RAIN AND LIGHT SLEET EARLY SATURDAY AFTERNOON. WAVES 2 TO 4 FEET
BUILDING TO 8 TO 12 FEET OVERNIGHT WITH MAXIMUM WAVE HEIGHT
AROUND 15 FEET TONIGHT. WAVES 8 TO 12 FEET SUBSIDING TO 5 TO 7
FEET WITH MAXIMUM WAVE HEIGHT AROUND 15 FEET SATURDAY. 210305
210508.

HURON SOUTH...GALE WARNING IN EFFECT...11520 11530 13540 19550
11530 19550 12530. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT
TONIGHT. A CHANCE OF RAIN SHOWERS EARLY SATURDAY AFTERNOON. WAVES
1 TO 3 FEET BUILDING TO 5 TO 7 FEET OVERNIGHT WITH MAXIMUM WAVE
HEIGHT AROUND 10 FEET TONIGHT. WAVES 5 TO 7 FEET SUBSIDING TO 3
TO 5 FEET WITH MAXIMUM WAVE HEIGHT AROUND 9 FEET SATURDAY. 210204
210406.

$$

HLO

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


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