646
FZUS63 KDTX 090201
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1001 PM EDT SAT AUG 8 2026
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
HIGH PRESSURE AROUND 30.00 INCHES SLIDES EAST THROUGH
THE OHIO VALLEY TONIGHT THROUGH SUNDAY, ALLOWING WINDS TO BECOME
SOUTHERLY ONCE AGAIN FOR SUNDAY. SUNDAY EVENING THROUGH EARLY
NEXT WEEK AN ACTIVE PATTERN WITH A STALLED FRONTAL BOUNDARY
DRAPED OVER THE SOUTHERN GREAT LAKES REGION BRINGS BACK CHANCES
FOR ORGANIZED THUNDERSTORMS TO THE REGION. BY THE END OF NEXT
WEEK, HIGH PRESSURE AROUND 30.1 INCHES BUILDS SOUTH FROM CENTRAL
CANADA.
LCZ460-091015-
LAKE ST CLAIR-
1001 PM EDT SAT AUG 8 2026
REST OF TONIGHT
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTH 10
TO 15 KNOTS AFTER MIDNIGHT...THEN DIMINISHING TO 5 TO 10 KNOTS EARLY
IN THE MORNING. CLEAR. WAVES 2 FEET OR LESS.
SUNDAY
LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10 KNOTS
EARLY IN THE AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS LATE IN
THE AFTERNOON. SUNNY UNTIL LATE AFTERNOON BECOMING PARTLY SUNNY.
WAVES 2 FEET OR LESS.
SUNDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SHOWERS LIKELY IN
THE EVENING. A CHANCE OF THUNDERSTORMS. SHOWERS AFTER MIDNIGHT.
WAVES 2 FEET OR LESS.
MONDAY
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO 10 KNOTS
EARLY IN THE AFTERNOON. PARTLY SUNNY. A CHANCE OF LIGHT SHOWERS
UNTIL LATE AFTERNOON...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE AFTERNOON. WAVES 2 FEET OR LESS.
MONDAY NIGHT
WEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS ...THEN LIGHT SHOWERS
LIKELY AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTH IN THE
EVENING. PARTLY SUNNY BECOMING MOSTLY CLOUDY. LIGHT SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON AND EVENING. WAVES 2 FEET
OR LESS.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
THURSDAY
NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
KDK
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC
GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES
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