266
FZUS63 KDTX 171943
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EDT TUE JUN 17 2025
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
A LOW PRESSURE SYSTEM LIFTING ACROSS EASTERN ONTARIO
HAS DRAPED A WARM SECTOR OVER THE CENTRAL GREAT LAKES. A FEW
SHOWERS AND THUNDERSTORMS ARE POSSIBLE LATE TODAY AND INTO THE
OVERNIGHT HOURS. A STRONGER LOW LIFTS INTO THE REGION WEDNESDAY
PROVIDING SEVERAL ROUNDS OF THUNDERSTORMS, SOME OF WHICH MAY BE
SEVERE. ACTIVE PATTERN COULD CONTINUE THROUGH THE END OF THE WEEK
AS THE SYSTEM'S COLD FRONT STALLS ACROSS THE GREAT LAKES THURSDAY
FOLLOWED BY ANOTHER WEAK LOW HEADING INTO THE WEEKEND.
LCZ460-180345-
LAKE ST CLAIR-
343 PM EDT TUE JUN 17 2025
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO 10
KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE
AFTERNOON. WAVES 2 FEET OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY.
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE EVENING.. THEN
LIGHT SHOWERS LIKELY AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL IN THE EVENING. LOCALLY HEAVY RAINFALL POSSIBLE IN
THE EVENING. WAVES 1 TO 3 FEET.
THURSDAY
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 1 TO
3 FEET.
THURSDAY NIGHT
WEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTHWEST
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
FRIDAY
SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
IN THE EVENING. MOSTLY SUNNY BECOMING PARTLY CLOUDY. WAVES 2 FEET OR
LESS.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. WAVES 1
TO 3 FEET.
SUNDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. CLEAR. WAVES 2 FEET OR
LESS.
KGK
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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