550
FZUS63 KDTX 121502
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1002 AM EST MON JAN 12 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
MODERATE WIND AND MILD TEMPERATURES ARE IN PLACE
BETWEEN LARGER SCALE WEATHER SYSTEMS TODAY WHICH CONTINUES
TONIGHT AS THE NEXT LOW PRESSURE SYSTEM, 29.20 INCHES, MOVES
TOWARD THE GREAT LAKES. THIS SYSTEM MOVES ACROSS NORTHERN ONTARIO
TUESDAY AND BRINGS A LIGHT RAIN AND SNOW MIX TO LAKE HURON AND
LOWER MICHIGAN. THE LOW PIVOTS THROUGH THE REGION TUESDAY NIGHT
INTO WEDNESDAY, EVENTUALLY FORCING A COLD FRONTAL PASSAGE. THIS
LEADS TO A CHANGEOVER TO SNOW WITH THE POSSIBILITY FOR A PERIOD
OF POST-FRONTAL GALES LATE WEDNESDAY.
LCZ460-122315-
LAKE ST CLAIR-
1002 AM EST MON JAN 12 2026
REST OF TODAY
SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2
FEET OR LESS.
TUESDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. A CHANCE
OF LIGHT RAIN EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN .
WAVES 1 TO 3 FEET.
WEDNESDAY
WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 15 TO 20
KNOTS IN THE AFTERNOON...THEN BECOMING NORTH 20 TO 25 KNOTS IN THE
EVENING. A CHANCE OF LIGHT RAIN. LIGHT SNOW IN THE AFTERNOON AND
EVENING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE EVENING.
THURSDAY
NORTHWEST WINDS 20 TO 25 KNOTS. PARTLY CLOUDY. LIGHT
SNOW LIKELY. WAVES 2 TO 4 FEET.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SNOW. WAVES 2 FEET OR LESS.
BT
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC
GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page