Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 220201
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1001 PM EDT THU APR 21 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...A BROAD AREA OF LOW PRESSURE...AVERAGING 29.80 INCHES...
WILL MOVE ACROSS THE CENTRAL GREAT LAKES TONIGHT. THIS SYSTEM WILL
PRODUCE A PATTERN OF SHOWERS THAT WILL AFFECT ALL MARINE AREAS WITH
A CHANCE OF THUNDERSTORMS MAINLY SOUTH OF SAGINAW BAY. A COLD FRONT
WILL FOLLOW THE LOW OVER LAKE HURON AND LOWER MICHIGAN BY FRIDAY
MORNING AND BRING MODERATE WIND AND WAVES THROUGH FRIDAY NIGHT.
COOLER HIGH PRESSURE....AROUND 30.30 INCHES...ARRIVES LATE FRIDAY
NIGHT/EARLY SATURDAY MORNING JUST IN TIME FOR THE WEEKEND.

LHZ361-220815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
1001 PM EDT THU APR 21 2016

.REST OF TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS
LATE. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS BY EARLY AFTERNOON...THEN BECOMING WEST 10 TO 15 KNOTS
LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY MID
AFTERNOON.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING
NORTHEAST LATE. WAVES 1 TO 3 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS IN THE MORNING...
BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. A CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO 2 TO
4 FEET LATE.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING EAST 10 TO
15 KNOTS. SHOWERS LIKELY. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO
3 FEET IN THE EVENING...THEN BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
.MONDAY...EAST WINDS 15 TO 20 KNOTS...BECOMING NORTHEAST 10 TO
15 KNOTS LATE. SHOWERS LIKELY...THEN A CHANCE OF SHOWERS. WAVES
2 TO 4 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KNOTS...BECOMING EAST 5 TO
10 KNOTS. A CHANCE OF SHOWERS LATE. WAVES 2 TO 4 FEET...SUBSIDING
TO 2 FEET OR LESS LATE.


$$

LHZ362-363-220815-
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-
1001 PM EDT THU APR 21 2016

.REST OF TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST
10 TO 15 KNOTS OVERNIGHT. A CHANCE OF SHOWERS BY MIDNIGHT. WAVES
2 FEET OR LESS.
.FRIDAY...NORTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS LATE. WAVES 2 TO 4 FEET...BUILDING TO 3 TO 5 FEET BY
LATE MORNING.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...VEERING TO THE
NORTH AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS IN THE MORNING...
BECOMING LIGHT AND VARIABLE. WAVES 2 TO 4 FEET...SUBSIDING TO
1 TO 3 FEET BY AFTERNOON.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS...BECOMING
SOUTHEAST 10 TO 15 KNOTS LATE. A CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 2 FEET OR LESS...BUILDING TO 2 TO 4 FEET LATE.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHEAST 5 TO
10 KNOTS IN THE AFTERNOON...THEN BECOMING EAST 10 TO 15 KNOTS IN
THE EVENING...INCREASING TO 15 TO 20 KNOTS AFTER MIDNIGHT.
SHOWERS LIKELY. WAVES 2 TO 4 FEET.
.MONDAY...NORTHEAST WINDS 15 TO 20 KNOTS. SHOWERS LIKELY THROUGH
LATE AFTERNOON...THEN A CHANCE OF SHOWERS LATE. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 20 KNOTS...BECOMING NORTH 5 TO
10 KNOTS. A CHANCE OF SHOWERS. WAVES 4 TO 6 FEET...SUBSIDING TO
1 TO 3 FEET. WAVES OCCASIONALLY AROUND 8 FEET.


$$

LHZ462>464-220815-
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-
1001 PM EDT THU APR 21 2016

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


$$

LHZ461-220815-
MAFOR 2203/
HURON NORTH 12700 11710 12810 12710 11700. WAVES 2 FEET OR
LESS OVERNIGHT. WAVES 1 TO 3 FEET FRIDAY AND FRIDAY EVENING.
220001.

HURON SOUTH 11300 11100 11800 11810 12820 12810. A CHANCE OF
RAIN SHOWERS AND THUNDERSTORMS BY MIDNIGHT...THEN A CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS EARLY
FRIDAY AFTERNOON. WAVES 2 FEET OR LESS OVERNIGHT. WAVES 2 FEET OR
LESS BUILDING TO 3 TO 5 FEET WITH MAXIMUM WAVE HEIGHT AROUND 7
FEET FRIDAY. WAVES 2 TO 4 FEET WITH MAXIMUM WAVE HEIGHT AROUND 6
FEET FRIDAY EVENING. 220102.

$$

MR

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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