522
FZUS53 KLOT 120817
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
317 AM CDT THU MAR 12 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH
IS THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVES, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.
LMZ740>743-121530-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
317 AM CDT THU MAR 12 2026
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
EVENING...
TODAY
WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST IN THE
AFTERNOON. MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
TONIGHT
SOUTH WINDS TO 30 KT BECOMING SOUTHWEST AND INCREASING
TO 45 KT GALES. A FEW STORM FORCE GUSTS TO 50 KT POSSIBLE LATE.
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY
OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO 8
FT OCCASIONALLY TO 10 FT.
FRIDAY
WEST GALES TO 45 KT. OCCASIONAL STORM FORCE GUSTS TO 50
KT POSSIBLE. MOSTLY CLOUDY. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
FRIDAY NIGHT
NORTHWEST GALES TO 35 KT DIMINISHING TO 10 TO
15 KT. MOSTLY CLOUDY. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
LMZ744-745-121530-
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
317 AM CDT THU MAR 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
EVENING...
TODAY
WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST LATE. MOSTLY
SUNNY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3
FT.
TONIGHT
SOUTH WINDS TO 30 KT BECOMING SOUTHWEST AND INCREASING
TO 45 KT GALES. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN
CHANCE OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 5 TO
8 FT OCCASIONALLY TO 10 FT.
FRIDAY
SOUTHWEST GALES TO 45 KT BECOMING WEST. OCCASIONAL STORM
FORCE GUSTS TO 50 KT POSSIBLE. SLIGHT CHANCE OF SHOWERS IN THE
MORNING. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT.
FRIDAY NIGHT
NORTHWEST GALES TO 35 KT DIMINISHING TO 10 TO
20 KT OVERNIGHT. MOSTLY CLOUDY. WAVES 6 TO 9 FT OCCASIONALLY TO
12 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
CARLAW
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