Great Lakes Forecast
Issued by NWS

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423
FZUS63 KDTX 210140
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
940 PM 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...29.40 INCHES...WILL LIFT FROM EASTERN
LAKE SUPERIOR THIS EVENING INTO CANADA BY SUNDAY. HIGH PRESSURE
BUILDING IN FROM THE OHIO VALLEY WILL THEN BRING IN COOLER AIR
BEHIND THE EXITING LOW ON SUNDAY.

LHZ361-362-210815-
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-
940 PM EDT SAT AUG 20 2016

...GALE WARNING IN EFFECT FROM 4 AM EDT SUNDAY THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...SOUTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...BECOMING SOUTH 15 TO 20 KNOTS BY MIDNIGHT...THEN
BECOMING SOUTHWEST 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES
AFTER MIDNIGHT...INCREASING TO 30 KNOTS WITH GUSTS TO 35 KNOT
GALES LATE. NUMEROUS SHOWERS...THEN SCATTERED SHOWERS BY
MIDNIGHT. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.SUNDAY...SOUTHWEST WINDS TO 30 KNOTS...BECOMING WEST GALES TO
35 KNOTS BY LATE MORNING...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.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS AFTER MIDNIGHT. WAVES
10 TO 14 FEET...SUBSIDING TO 2 TO 4 FEET OVERNIGHT. WAVES
OCCASIONALLY AROUND 18 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET...
SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON...THEN BUILDING TO 2 TO
4 FEET LATE.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO
2 TO 4 FEET LATE.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 3 TO 5 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 10 TO 15 KNOTS
LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 2 TO
4 FEET...BUILDING TO 3 TO 5 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...VEERING TO THE
NORTHWEST BY MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET.


$$

LHZ363-462-210815-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
940 PM EDT SAT AUG 20 2016

...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF TONIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...INCREASING TO
30 KNOTS LATE. GUSTS TO 35 KNOT GALES. SCATTERED SHOWERS BY LATE
EVENING. WAVES 6 TO 9 FEET...BUILDING TO 8 TO 12 FEET LATE. WAVES
OCCASIONALLY AROUND 15 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 10 TO 14 FEET. WAVES
OCCASIONALLY AROUND 18 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS AFTER MIDNIGHT. WAVES
8 TO 12 FEET...SUBSIDING TO 4 TO 6 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY AROUND 15 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 10 TO
15 KNOTS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY
AFTERNOON.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO
3 FEET...BUILDING TO 2 TO 4 FEET LATE.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS. WAVES 2 TO 4 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. A CHANCE OF THUNDERSTORMS LATE. A CHANCE OF
SHOWERS. WAVES 1 TO 3 FEET...BUILDING TO 3 TO 5 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO
5 FEET...SUBSIDING TO 1 TO 3 FEET.


$$

LHZ463-464-210815-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
940 PM EDT SAT AUG 20 2016

.REST OF TONIGHT...SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...VEERING TO THE SOUTHWEST WITH GUSTS TO 30 KNOTS AFTER
MIDNIGHT...THEN INCREASING TO 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS LATE. SCATTERED SHOWERS BY LATE EVENING. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.SUNDAY...WEST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS. A CHANCE
OF WATERSPOUTS. A CHANCE OF SHOWERS BY MID AFTERNOON. WAVES 5 TO
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 20 KNOTS...BECOMING NORTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS...BACKING TO THE WEST BY
AFTERNOON. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS. A CHANCE OF. A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS LATE. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET
AFTER MIDNIGHT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE...THEN
SHOWERS AND THUNDERSTORMS LIKELY. A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. WAVES 1 TO 3 FEET.


$$

LHZ461-210815-
MAFOR 2103/
HURON NORTH...GALE WARNING IN EFFECT...11540 19550 11530 11540
19550 11550 12650 11750 11730. SCATTERED SHOWERS OVERNIGHT. A
CHANCE OF WATERSPOUTS EARLY IN THE AFTERNOON. A CHANCE OF SHOWERS
EARLY SUNDAY AFTERNOON. A CHANCE OF WATERSPOUTS. A CHANCE OF
SHOWERS SUNDAY EVENING. WAVES 5 TO 7 FEET WITH MAXIMUM WAVE
HEIGHT AROUND 11 FEET OVERNIGHT. WAVES 8 TO 12 FEET BUILDING TO
10 TO 14 FEET WITH MAXIMUM WAVE HEIGHT AROUND 17 FEET SUNDAY.
WAVES 10 TO 14 FEET WITH MAXIMUM WAVE HEIGHT AROUND 18 FEET
SUNDAY EVENING. 220508.

HURON SOUTH...GALE WARNING IN EFFECT...11530 13540 19550 12640
19650 11630 11730. SCATTERED SHOWERS BY MIDNIGHT. A CHANCE OF
WATERSPOUTS EARLY IN THE AFTERNOON. A CHANCE OF SHOWERS LATE
SUNDAY. A CHANCE OF WATERSPOUTS. A CHANCE OF SHOWERS SUNDAY
EVENING. WAVES 5 TO 7 FEET WITH MAXIMUM WAVE HEIGHT AROUND 9 FEET
OVERNIGHT. WAVES 8 TO 12 FEET WITH MAXIMUM WAVE HEIGHT AROUND 14
FEET SUNDAY AND SUNDAY EVENING. 220508.

$$

SC

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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