Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

000
FZUS63 KDTX 211353
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
953 AM EDT THU JUL 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...RIDGE OF HIGH PRESSURE OVER THE MID ATLANTIC...AVERAGING
30.10 INCHES...WILL PUSH OFFSHORE TODAY.  A WEAK SURFACE TROUGH OF
LOW PRESSURE...AT 29.70 INCHES...WILL MOVE EAST ACROSS THE NORTHERN
GREAT LAKES AND SOUTHERN ONTARIO TONIGHT BRINGING A CHANCE FOR
THUNDERSTORMS. HIGH PRESSURE THEN BUILDS BACK IN OVER THE GREAT
LAKES REGION BY SATURDAY.

LHZ361-212015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
953 AM EDT THU JUL 21 2016

...SEVERE THUNDERSTORM WATCH 405 IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS BY LATE MORNING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING EAST 5 TO 10 KNOTS
LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS BY LATE MORNING...
THEN SHOWERS AND THUNDERSTORMS LIKELY BY MID AFTERNOON. SOME
THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS AND LARGE HAIL BY
LATE MORNING. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT...THEN VEERING TO THE WEST LATE. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING WEST 10 TO 15 KNOTS IN
THE EVENING...VEERING TO THE EAST AFTER MIDNIGHT. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS
LATE...VEERING TO THE SOUTHWEST AFTER MIDNIGHT. SHOWERS LIKELY
THROUGH LATE AFTERNOON. THUNDERSTORMS LIKELY. A CHANCE OF SHOWERS
LATE. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO 15 KNOTS
BY LATE MORNING...THEN BECOMING NORTHWEST 5 TO 10 KNOTS BY
MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES
2 FEET OR LESS.


$$

LHZ362-363-212015-
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-
953 AM EDT THU JUL 21 2016

...SEVERE THUNDERSTORM WATCH 405 IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING EAST 5 TO
10 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS BY LATE
MORNING...THEN SHOWERS AND THUNDERSTORMS LIKELY BY EARLY
AFTERNOON. THUNDERSTORMS LIKELY AND A CHANCE OF SHOWERS LATE.
SOME THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS AND LARGE
HAIL BY LATE MORNING. WAVES 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS BY MIDNIGHT...THEN BECOMING WEST 5 TO 10 KNOTS LATE. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS IN THE MORNING...BECOMING
LIGHT AND VARIABLE. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT...THEN VEERING TO THE WEST LATE.
WAVES 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN VEERING TO THE SOUTH AFTER
MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY...THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...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 AND THUNDERSTORMS LATE. WAVES 1 TO
3 FEET.


$$

LHZ462-463-212015-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
953 AM EDT THU JUL 21 2016

...SEVERE THUNDERSTORM WATCH 405 IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS
BY LATE MORNING. SHOWERS AND THUNDERSTORMS LIKELY BY EARLY
AFTERNOON...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. SOME
THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS AND LARGE HAIL BY
LATE MORNING. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET LATE.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS IN THE MORNING...BECOMING
LIGHT AND VARIABLE. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY.
WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO
10 KNOTS LATE. WAVES 2 FEET OR LESS.
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS...VEERING TO THE EAST AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS...THEN SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS. SHOWERS AND
THUNDERSTORMS LIKELY LATE. WAVES 2 FEET OR LESS.


$$

LHZ464-212015-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
953 AM EDT THU JUL 21 2016

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS BY LATE
MORNING. SHOWERS AND THUNDERSTORMS LIKELY BY EARLY AFTERNOON...
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 2 FEET OR
LESS.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS THROUGH MID AFTERNOON...
BECOMING LIGHT AND VARIABLE. A CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. WAVES 2 FEET OR LESS.
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 2 FEET OR LESS.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS. SHOWERS AND
THUNDERSTORMS LIKELY LATE. WAVES 2 FEET OR LESS.


$$

LHZ461-212015-
MAFOR 2115/
HURON NORTH...SEVERE THUNDERSTORM WATCH IN EFFECT...11400 11309
11319 11410 12510 12600. A CHANCE OF SHOWERS AND THUNDERSTORMS
LATE IN THE MORNING THIS AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT TONIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS FRIDAY MORNING. WAVES 1 TO 3 FEET THIS AFTERNOON.
WAVES 2 TO 4 FEET TONIGHT. WAVES 1 TO 3 FEET FRIDAY MORNING.
220202.

HURON SOUTH...SEVERE THUNDERSTORM WATCH IN EFFECT...11410 11419
11409 11300 11410 12510 11500. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT TONIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS FRIDAY MORNING. WAVES 1 TO 3 FEET. 220102.

$$

JVC

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)



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.