Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 191341
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
941 AM EDT FRI AUG 19 2016

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 TRACK THROUGH THE
NORTHERN GREAT LAKES TODAY. A SECOND...DEEPENING LOW...TRACKING FROM
WISCONSIN IS EXPECTED TO LIFT NORTHEAST THROUGH THE STRAIGHTS AT
29.40 INCHES SATURDAY EVENING...WITH LARGE AREA OF HIGH PRESSURE
THEN BUILDING IN FOR SUNDAY AND MONDAY.

LCZ460-192015-
LAKE ST CLAIR-
941 AM EDT FRI AUG 19 2016

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY SUNNY. A CHANCE
OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...BECOMING
LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 10 KNOTS LATE. PARTLY
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT.
WAVES 2 FEET OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 15 TO
20 KNOTS. MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS BY
LATE MORNING. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO 25
KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
.SUNDAY...SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 10 TO
15 KNOTS THROUGH MIDNIGHT. PARTLY SUNNY THROUGH EARLY AFTERNOON...
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. PARTLY
CLOUDY THROUGH MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.

$$

JVC

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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