Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 220246
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 PM EST TUE FEB 21 2017

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...29.20 INCHES...TRACKING EAST OVER
THE HUDSON BAY TONIGHT WILL DRAG A WEAKENING SURFACE FRONT...29.90
INCHES...ACROSS LAKE ERIE. WEAK LOW PRESSURE...29.50 INCHES...WILL
TRACK FROM NORTHERN MINNESOTA LATE TONIGHT TO THE NORTHERN LAKE
GREAT LAKES ON WEDNESDAY. DEEPENING LOW PRESSURE IS THEN FORECAST TO
LIFT INTO THE REGION FROM THE SOUTHWEST ON FRIDAY.

LCZ460-220900-
LAKE ST CLAIR-
944 PM EST TUE FEB 21 2017

.REST OF TONIGHT...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. AREAS
OF FOG. A CHANCE OF DRIZZLE AFTER MIDNIGHT. WAVES NEARLY CALM.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY IN THE MORNING
THEN CLEARING. A CHANCE OF DRIZZLE EARLY IN THE MORNING. AREAS OF
FOG IN THE MORNING. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY
UNTIL EARLY MORNING BECOMING MOSTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS UNTIL LATE AFTERNOON
BECOMING LIGHT AND VARIABLE. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. A CHANCE OF LIGHT RAIN
AND THUNDERSTORMS IN THE EVENING, THEN RAIN AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF THUNDERSTORMS IN
THE MORNING. RAIN. THUNDERSTORMS LIKELY IN THE AFTERNOON AND
EVENING. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 15 TO 20 KNOTS. RAIN, POSSIBLE THUNDERSTORMS
AND SNOW LIKELY. WAVES 1 TO 3 FEET.
.SUNDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.

$$

DG

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES


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