3 products issued by NWS for: 8NM ESE Chicago IL
Marine Weather Statement
Marine Weather Statement
National Weather Service Chicago/Romeoville
955 PM CDT Fri Jul 11 2025
LMZ742>745-777-779-120345-
/O.CON.KLOT.MA.W.0024.000000T0000Z-250712T0345Z/
955 PM CDT Fri Jul 11 2025
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT...
For the following areas...
Nearshore Waters from Northerly Island to Calumet Harbor...
Nearshore Waters from Calumet Harbor to Michigan City...
Open Waters from Winthrop Harbor to Michigan City out to Mid
Lake...
At 954 PM CDT, a front was located along a line extending from 20 nm
east of Winthrop Harbor to 12 nm northeast of Harrison-Dever Crib to
8 nm south of Midway Airport, moving east at 25 knots.
HAZARD...Wind gusts 34 knots or greater.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.
Locations impacted include...
Indiana Harbor, Calumet Harbor, Marina Shores at Dune Harbor, Jackson
Park Harbor, 59th Street Marina, and Burns Harbor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor immediately as gusty winds and high waves are
expected.
&&
LAT...LON 4162 8733 4164 8743 4168 8743 4168 8748
4180 8758 4205 8742 4247 8738 4246 8702
4213 8696 4179 8697 4172 8691 4165 8711
4165 8714 4163 8716 4161 8733
TIME...MOT...LOC 0254Z 266DEG 24KT 4245 8733 4207 8739 4165 8770
HAIL...0.00IN
WIND...>34KTS
$$
Kluber
Special Marine Warning
Marine Weather Statement
National Weather Service Chicago/Romeoville
955 PM CDT Fri Jul 11 2025
LMZ742>745-777-779-120345-
/O.CON.KLOT.MA.W.0024.000000T0000Z-250712T0345Z/
955 PM CDT Fri Jul 11 2025
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT...
For the following areas...
Nearshore Waters from Northerly Island to Calumet Harbor...
Nearshore Waters from Calumet Harbor to Michigan City...
Open Waters from Winthrop Harbor to Michigan City out to Mid
Lake...
At 954 PM CDT, a front was located along a line extending from 20 nm
east of Winthrop Harbor to 12 nm northeast of Harrison-Dever Crib to
8 nm south of Midway Airport, moving east at 25 knots.
HAZARD...Wind gusts 34 knots or greater.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.
Locations impacted include...
Indiana Harbor, Calumet Harbor, Marina Shores at Dune Harbor, Jackson
Park Harbor, 59th Street Marina, and Burns Harbor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor immediately as gusty winds and high waves are
expected.
&&
LAT...LON 4162 8733 4164 8743 4168 8743 4168 8748
4180 8758 4205 8742 4247 8738 4246 8702
4213 8696 4179 8697 4172 8691 4165 8711
4165 8714 4163 8716 4161 8733
TIME...MOT...LOC 0254Z 266DEG 24KT 4245 8733 4207 8739 4165 8770
HAIL...0.00IN
WIND...>34KTS
$$
Kluber
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
349 PM CDT Fri Jul 11 2025
LMZ740>745-122100-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
349 PM CDT Fri Jul 11 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Tonight.
Weather hazards expected...
Thunderstorm Waterspout Risk
Level 2 of 5 Thunderstorm Wind Gust Risk...up to 60 knots.
Level 1 of 5 Hail Risk...up to half dollar size.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Tuesday Night and Wednesday...
Limited Thunderstorm Risk.
Thursday...
Hazardous conditions for small craft are likely.
Limited Thunderstorm Risk.
$$
KJB
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