Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 200814
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
412 AM EDT SAT AUG 20 2016

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...29.70 INCHES...WILL LIFT FROM THE MID
MISSISSIPPI VALLEY THIS MORNING TO THE STRAITS REGION BY
EVENING...DEEPENING TO 29.40 INCHES. THE LOW WILL SLOWLY ROTATE INTO
NORTHERN ONTARIO BY SUNDAY...DEEPENING TO 29.30 INCHES. THE LOW WILL
THEN LIFT INTO QUEBEC ON SUNDAY. HIGH PRESSURE WILL EXPAND ACROSS
THE OHIO VALLEY AND SOUTHERN GREAT LAKES ON MONDAY.

LHZ361-362-202000-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
412 AM EDT SAT AUG 20 2016

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...

.TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTH BY
LATE MORNING...THEN BECOMING EAST 10 TO 15 KNOTS BY EARLY
AFTERNOON...INCREASING TO 15 TO 20 KNOTS LATE. SHOWERS AND
THUNDERSTORMS LIKELY BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 20 TO 25 KNOTS...BECOMING SOUTHWEST TO
30 KNOTS LATE. GUSTS TO 35 KNOT GALES. SHOWERS AND THUNDERSTORMS
LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 2 TO 4 FEET...BUILDING TO 5 TO 7 FEET BY
MIDNIGHT. WAVES OCCASIONALLY AROUND 10 FEET.
.SUNDAY...SOUTHWEST WINDS TO 30 KNOTS...BECOMING WEST GALES TO
35 KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 30 KNOTS LATE.
GUSTS TO 45 KNOT GALES. A CHANCE OF WATERSPOUTS. A CHANCE OF
SHOWERS. WAVES 10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
A GALE WARNING MAY BE NEEDED.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
35 KNOT GALES...DIMINISHING TO 10 TO 15 KNOTS AFTER MIDNIGHT.
WAVES 5 TO 7 FEET...SUBSIDING TO 1 TO 3 FEET OVERNIGHT. WAVES
OCCASIONALLY AROUND 10 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS IN THE EVENING...THEN INCREASING TO 10 TO 15 KNOTS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 3 TO 5 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. WAVES 2 TO 4 FEET.


$$

LHZ363-462-202000-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
412 AM EDT SAT AUG 20 2016

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
AFTERNOON...

.TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTHEAST
BY LATE MORNING...THEN INCREASING TO 10 TO 15 KNOTS BY EARLY
AFTERNOON...INCREASING TO 15 TO 20 KNOTS LATE. SHOWERS AND
THUNDERSTORMS LIKELY BY MID AFTERNOON. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS...
BECOMING SOUTHWEST TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES AFTER
MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY THROUGH MIDNIGHT...
THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 3 TO 5 FEET...
BUILDING TO 6 TO 9 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND
12 FEET.
.SUNDAY...SOUTHWEST WINDS TO 30 KNOTS...BECOMING WEST 20 TO
25 KNOTS LATE. GUSTS TO 40 KNOT GALES. A CHANCE OF WATERSPOUTS. A
CHANCE OF SHOWERS BY MID AFTERNOON. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS AFTER MIDNIGHT. WAVES
4 TO 6 FEET...SUBSIDING TO 2 TO 4 FEET LATE. WAVES OCCASIONALLY
AROUND 8 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT. WAVES 2 TO 4 FEET.


$$

LHZ463-464-202000-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
412 AM EDT SAT AUG 20 2016

.TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE SOUTHEAST
BY LATE MORNING...THEN INCREASING TO 10 TO 15 KNOTS BY EARLY
AFTERNOON...BECOMING SOUTH 15 TO 20 KNOTS LATE. A CHANCE OF
SHOWERS AND THUNDERSTORMS BY EARLY AFTERNOON. SHOWERS AND
THUNDERSTORMS LIKELY LATE. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS BY MIDNIGHT...THEN DIMINISHING TO 15 TO 20 KNOTS WITH
GUSTS TO 30 KNOTS AFTER MIDNIGHT...BECOMING SOUTHWEST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS LATE. SHOWERS AND THUNDERSTORMS
LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 3 TO 5 FEET.
.SUNDAY...WEST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS. A CHANCE
OF WATERSPOUTS. A CHANCE OF SHOWERS BY MID AFTERNOON. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 20 KNOTS...BECOMING NORTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE
SOUTHWEST. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT.
WAVES 1 TO 3 FEET.


$$

LHZ461-201400-
MAFOR 2009/
HURON NORTH...GALE WARNING IN EFFECT...13500 12329 11439
11449 11530. WAVES 2 FEET OR LESS TODAY. WAVES 1 TO 3 FEET
BUILDING TO 5 TO 7 FEET OVERNIGHT WITH MAXIMUM WAVE HEIGHT AROUND
10 FEET TONIGHT. 220103.

HURON SOUTH 12500 11400 11329 11429 12439 11540 19550. WAVES
2 FEET OR LESS TODAY. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET
OVERNIGHT WITH MAXIMUM WAVE HEIGHT AROUND 6 FEET TONIGHT. 220103.

$$

CB

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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