439
FZUS73 KLOT 180327
MWSLOT
MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
1027 PM CDT FRI APR 17 2026
LMZ741>745-779-180400-
/O.CON.KLOT.MA.W.0028.000000T0000Z-260418T0400Z/
1027 PM CDT FRI APR 17 2026
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR THE FOLLOWING AREAS...
NEARSHORE WATERS FROM WILMETTE HARBOR TO CALUMET HARBOR...
NEARSHORE WATERS FROM CALUMET HARBOR TO MICHIGAN CITY...
OPEN WATERS FROM WILMETTE HARBOR TO MICHIGAN CITY OUT TO MID
LAKE...
AT 1027 PM CDT, SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WATERSPOUTS
WERE LOCATED ALONG A LINE EXTENDING FROM 9 NM NORTHEAST OF
HARRISON-DEVER CRIB TO 8 NM NORTHEAST OF JACKSON PARK HARBOR TO NEAR
CALUMET HARBOR, MOVING EAST AT 30 KNOTS.
HAZARD...WATERSPOUTS AND WIND GUSTS TO NEARLY 50 KNOTS.
SOURCE...RADAR INDICATED.
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY
HIGHER WINDS AND SUDDENLY HIGHER WAVES.
LOCATIONS IMPACTED INCLUDE...
CALUMET HARBOR, INDIANA HARBOR, 31ST STREET HARBOR, MONROE HARBOR,
BURNS HARBOR, MARINA SHORES AT DUNE HARBOR, BURNHAM HARBOR, 59TH
STREET MARINA, HAMMOND MARINA, JACKSON PARK HARBOR, AND DUSABLE
HARBOR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR NORTHEASTERN
ILLINOIS...NORTHWESTERN INDIANA...AND THE ADJACENT WATERS OF LAKE
MICHIGAN.
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE
EXPECTED.
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR
IMMEDIATELY.
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8744
4169 8750 4175 8753 4179 8758 4178 8758
4188 8762 4211 8696 4179 8697 4179 8696
4172 8691 4166 8709 4165 8714 4163 8716
4162 8732 4161 8732
TIME...MOT...LOC 0327Z 263DEG 29KT 4199 8739 4184 8740 4169 8762
WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...49KTS
BIRK
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