Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 202001
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
401 PM EDT MON OCT 20 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...CENTRAL LAKE HURON CENTERED LOW PRESSURE SYSTEM WILL
CONTINUE TO ADVANCE SOUTHEAST...WITH IT AND ITS ASSOCIATED COLD
FRONT CROSSING LAKE HURON AND LAKE ST. CLAIR THIS EVENING. WINDS
WILL CONTINUE TO VEER NORTHWEST AFTER FRONTAL PASSAGE...WITH WINDS
FURTHER VEERING TO NORTH AND NORTHEAST LATER TONIGHT AND TUESDAY.
HIGH PRESSURE WILL THEN BUILD INTO THE REGION TUESDAY NIGHT AND LAST
THROUGH THE END OF THE WORK WEEK...BRINGING AN EXTENDED PERIOD OF
DRY WEATHER AND MAINLY LIGHT WINDS.

LHZ361-210830-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
401 PM EDT MON OCT 20 2014

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET...
BUILDING TO 3 TO 5 FEET BY MIDNIGHT.
.TUESDAY...NORTHEAST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS BY LATE MORNING. A CHANCE OF SHOWERS EARLY. WAVES 3 TO
5 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS LATE. WAVES 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR
LESS.
.THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.FRIDAY...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO 10 KNOTS.
WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY LATE MORNING...THEN DIMINISHING TO 5 TO 10 KNOTS
LATE. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET.


$$

LHZ362-363-210830-
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-
401 PM EDT MON OCT 20 2014

.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 15 TO
20 KNOTS BY MIDNIGHT...THEN BECOMING NORTHEAST 20 TO 25 KNOTS
LATE. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET...BUILDING TO 5 TO
7 FEET LATE. WAVES OCCASIONALLY AROUND 10 FEET.
.TUESDAY...NORTHEAST WINDS 20 TO 25 KNOTS...BECOMING NORTH 15 TO
20 KNOTS BY LATE MORNING. A CHANCE OF SHOWERS THROUGH EARLY
AFTERNOON. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.TUESDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS...BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS BY AFTERNOON. WAVES 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS THROUGH LATE AFTERNOON...
BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO 3 TO
5 FEET.


$$

LHZ462>464-210830-
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-
401 PM EDT MON OCT 20 2014

.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 15 TO
20 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET...
BUILDING TO 3 TO 5 FEET BY MIDNIGHT.
.TUESDAY...NORTH WINDS 20 TO 25 KNOTS. SHOWERS LIKELY THROUGH
EARLY AFTERNOON...THEN A CHANCE OF SHOWERS BY MID AFTERNOON.
WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.TUESDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. WAVES 4 TO
6 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET...
SUBSIDING TO 1 TO 3 FEET LATE. WAVES OCCASIONALLY AROUND 8 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS
LATE. WAVES 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET...
BUILDING TO 3 TO 5 FEET LATE.


$$

LHZ461-210830-
MAFOR 2021/
HURON NORTH 11710 11720 12820 11830 11130 12830. A CHANCE OF
SHOWERS. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET OVERNIGHT
TONIGHT. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET
TUESDAY. 220103.

HURON SOUTH 11600 11710 11820 11810 11820 12836 11830. A
CHANCE OF SHOWERS TONIGHT AND TUESDAY AFTERNOON. WAVES 2 FEET OR
LESS BUILDING TO 2 TO 4 FEET OVERNIGHT TONIGHT. WAVES 5 TO 7 FEET
BUILDING TO 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET TUESDAY.
220103.

$$

MSB

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






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