Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 171953
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
353 PM EDT FRI APR 17 2015

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...AN AREA OF LOW PRESSURE...AVERAGING 29.80 INCHES...WILL
TRACK THROUGH EASTERN ONTARIO AND ACROSS QUEBEC TONIGHT. THIS WILL
PUSH A COLD FRONT DOWN THROUGH THE CENTRAL GREAT LAKES EARLY ON
SATURDAY. HIGH PRESSURE WILL BUILD OVER THE NORTHERN GREAT LAKES AND
ONTARIO SATURDAY AND SATURDAY NIGHT...STRENGTHENING TO 30.40 INCHES.
A LARGE LOW PRESSURE SYSTEM WILL THEN LIFT THROUGH THE AREA SUNDAY
AND MONDAY.

LHZ361-180815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
353 PM EDT FRI APR 17 2015

.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS EARLY THIS EVENING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING WEST 5 TO 10 KNOTS
AFTER MIDNIGHT...BECOMING NORTHWEST 10 TO 15 KNOTS. WAVES 1 TO
3 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 10 KNOTS THROUGH EARLY
AFTERNOON...BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO
10 KNOTS AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS LATE.
WAVES 2 FEET OR LESS.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS LATE. A CHANCE OF SHOWERS BY MID AFTERNOON. WAVES 3 TO
5 FEET...BUILDING TO 5 TO 7 FEET LATE. WAVES OCCASIONALLY AROUND
10 FEET.
.SUNDAY NIGHT...EAST WINDS 20 TO 25 KNOTS. SHOWERS LIKELY. WAVES
4 TO 6 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
5 TO 10 KNOTS. SHOWERS LIKELY...THEN A CHANCE OF SHOWERS BY LATE
EVENING. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS. WAVES
2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS LATE. WAVES 2 FEET OR
LESS.


$$

LHZ362-363-180815-
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-
353 PM EDT FRI APR 17 2015

.TONIGHT...EAST WINDS 5 TO 10 KNOTS...VEERING TO THE SOUTHEAST BY
MIDNIGHT...THEN VEERING TO THE SOUTH AFTER MIDNIGHT...BECOMING
WEST 10 TO 15 KNOTS LATE. WAVES 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET...
SUBSIDING TO 1 TO 3 FEET BY MID AFTERNOON.
.SATURDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS...VEERING TO THE
NORTHEAST AFTER MIDNIGHT...THEN BECOMING EAST 10 TO 15 KNOTS
LATE. WAVES 2 FEET OR LESS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. WAVES 2 TO 4 FEET...BUILDING TO 4 TO 6 FEET LATE.
WAVES OCCASIONALLY AROUND 8 FEET.
.SUNDAY NIGHT...EAST WINDS 20 TO 25 KNOTS WITH GUSTS TO
30 KNOTS...BECOMING SOUTHEAST TO 30 KNOTS LATE. SHOWERS LIKELY.
WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON...THEN VEERING TO THE SOUTHWEST. A
CHANCE OF THUNDERSTORMS THROUGH LATE AFTERNOON. SHOWERS LIKELY...
THEN A CHANCE OF SHOWERS BY LATE EVENING. WAVES 3 TO 5 FEET...
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY LATE MORNING...THEN BECOMING NORTHWEST 10 TO 15 KNOTS
LATE. A CHANCE OF SHOWERS LATE. WAVES 2 FEET OR LESS.


$$

LHZ462>464-180815-
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-
353 PM EDT FRI APR 17 2015

.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS...VEERING TO THE
SOUTHWEST AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 15 TO
20 KNOTS BY LATE MORNING...THEN DIMINISHING TO 10 TO 15 KNOTS BY
MID AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY
LATE MORNING...THEN SUBSIDING TO 1 TO 3 FEET LATE.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO
3 FEET.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. WAVES 1 TO 3 FEET...BUILDING TO 3 TO 5 FEET BY
AFTERNOON.
.SUNDAY NIGHT...EAST WINDS 20 TO 25 KNOTS...BECOMING SOUTHEAST TO
30 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 5 TO
10 KNOTS. SHOWERS LIKELY THROUGH LATE AFTERNOON. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET...SUBSIDING
TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS. WAVES
2 FEET OR LESS.


$$

LHZ461-180815-
MAFOR 1721/
HURON NORTH 13400 11510 11620 11720 11810 11700. WAVES 1 TO
3 FEET. 220001.

HURON SOUTH 11200 11300 11400 11500 11600 11710 11820
11810. WAVES 2 FEET OR LESS TONIGHT. WAVES 2 FEET OR LESS
BUILDING TO 2 TO 4 FEET SATURDAY. 220001.

$$

HLO

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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