Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 260145
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 PM EDT MON APR 25 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...29.60 INCHES...WILL MOVE FROM SOUTHERN
MINNESOTA THIS AFTERNOON TO SOUTHERN WISCONSIN THIS EVENING...THEN
TRACK INTO THE EASTERN GREAT LAKES TUESDAY MORNING. MEANWHILE...HIGH
PRESSURE OF 30.40 INCHES ACROSS NORTHERN ONTARIO WILL EXPAND INTO
THE GREAT LAKES REGION TUESDAY AND TUESDAY NIGHT. THE CENTER OF THIS
HIGH PRESSURE SYSTEM WILL HOLD STEADY TO THE NORTH OF LAKE SUPERIOR
THROUGH THE END OF THE WEEK WHILE ANOTHER LOW PRESSURE SYSTEM TRACKS
ACROSS THE OHIO VALLEY.

LCZ460-260815-
LAKE ST CLAIR-
945 PM EDT MON APR 25 2016

.REST OF TONIGHT...EAST WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST
10 TO 15 KNOTS BY MIDNIGHT...THEN BECOMING EAST 5 TO 10 KNOTS LATE.
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY THIS EVENING. WAVES
2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 15 TO
20 KNOTS. MOSTLY CLOUDY. A CHANCE OF DRIZZLE THROUGH EARLY
AFTERNOON. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS...BECOMING NORTHEAST
10 TO 15 KNOTS BY MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING...
BECOMING MOSTLY CLEAR OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY
WITH A CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A CHANCE
OF LIGHT SHOWERS. A CHANCE OF THUNDERSTORMS BY LATE MORNING. WAVES
2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE
OF SHOWERS. WAVES 2 FEET OR LESS.

$$

MR

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


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