835
FZUS63 KDTX 130249
GLFSC
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
949 PM 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. WINDS SPEEDS STEADILY
DECREASE THURSDAY WITH A PASSING SURFACE RIDGE AXIS, THEN FLIP
SOUTHERLY BY FRIDAY AHEAD OF THE NEXT CLIPPER SYSTEM.
LCZ460-131100-
LAKE ST CLAIR-
949 PM EST MON JAN 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF TONIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY.
WAVES 2 FEET OR LESS.
TUESDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS. MOSTLY
CLOUDY. A CHANCE OF LIGHT SHOWERS 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. WAVES 1 TO 3 FEET.
WEDNESDAY
WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 15 TO 20
KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW EARLY IN THE MORNING...THEN LIGHT SNOW LIKELY IN
THE LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
NORTHWEST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY WITH LIGHT SNOW LIKELY EARLY IN THE
EVENING...THEN PARTLY CLOUDY WITH A CHANCE OF LIGHT SNOW IN THE LATE
EVENING AND OVERNIGHT. WAVES 2 TO 4 FEET.
THURSDAY
NORTHWEST WINDS 20 TO 25 KNOTS BECOMING WEST 10 TO 15
KNOTS. PARTLY SUNNY WITH A CHANCE OF LIGHT SNOW IN THE
MORNING...THEN PARTLY CLOUDY IN THE AFTERNOON AND EVENING. WAVES 2
TO 4 FEET SUBSIDING TO 2 FEET OR LESS IN THE AFTERNOON AND EVENING.
FRIDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SNOW. WAVES 1 TO 3 FEET.
SATURDAY
WEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH A CHANCE
OF LIGHT SNOW. WAVES 1 TO 3 FEET.
KGK
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