723
FZUS63 KDTX 171400
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1000 AM EDT FRI JUL 17 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
CANADIAN WILDFIRE SMOKE PERSISTS TODAY AMIDST HIGH
PRESSURE INFLUENCE. THE NEXT WEAK LOW PRESSURE SYSTEMS ARRIVE
FRIDAY BRINGING A ROUND OF SHOWERS AND THUNDERSTORMS LATE IN THE
DAY AND OVERNIGHT. THIS WILL BE FOLLOWED BY A SECONDARY LOW ON
SATURDAY TRACKING ACROSS THE STRAITS INTO NORTHERN LAKE HURON WITH
ADDITIONAL UNSETTLED WEATHER.
LCZ460-172200-
LAKE ST CLAIR-
1000 AM EDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
REST OF TODAY
SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS LATE IN THE AFTERNOON. CLOUDY LATE IN THE MORNING BECOMING
PARTLY SUNNY. SMOKE. WAVES 2 FEET OR LESS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE SOUTHWEST EARLY
IN THE MORNING. PARTLY CLOUDY. SMOKE. PATCHY SMOKE EARLY IN THE
MORNING. WAVES 2 FEET OR LESS.
SATURDAY
WEST WINDS 15 TO 20 KNOTS. PARTLY SUNNY. A CHANCE OF
LIGHT SHOWERS EARLY IN THE MORNING. SHOWERS LIKELY IN THE LATE
MORNING AND AFTERNOON. A CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15
KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. PATCHY SMOKE EARLY IN THE
EVENING. WAVES 1 TO 3 FEET.
SUNDAY
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO 10
KNOTS IN THE AFTERNOON AND EVENING. CLEAR. WAVES 2 FEET OR LESS.
MONDAY
SOUTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS. WAVES 2 FEET OR LESS.
TUESDAY
NORTHWEST WINDS 20 TO 25 KNOTS. SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES 1 TO 3 FEET.
BT
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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