Warning Vector

Small Craft Advisory

NWS Chicago IL ยท US

New

Details

Small Craft Advisory Remains In Effect Until 6 AM CST Early This Morning... ...Gale Warning Remains In Effect Until 5 PM CST This Afternoon... ...Small Craft Advisory Remains In Effect From 5 PM This Afternoon To 4 AM CST Saturday

Event
Small Craft Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Avoid

Description

What

For the first Small Craft Advisory, north winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Gale Warning, north gales to 35 kt and significant waves to 12 ft occasionally to 16 ft expected. For the second Small Craft Advisory, north winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected.

Where

Winthrop Harbor to Calumet Harbor IL.

When

For the first Small Craft Advisory, until 6 AM CST early this morning. For the Gale Warning, until 5 PM CST this afternoon. For the second Small Craft Advisory, from 5 PM this afternoon to 4 AM CST Saturday.

Impacts

Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.

Instructions

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Affected areas

  • Winthrop Harbor to Wilmette Harbor IL
  • Wilmette Harbor to Northerly Island IL
  • Northerly Island to Calumet Harbor IL

Public contact

Issuer
NWS Chicago IL

Message record

Received
Issue to receipt
~58s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M77MM29GDASQK3QX70CD54QD
Identifier
urn:oid:2.49.0.1.840.0.f335d83ce7a5c7296f283884cb0c4bbf8cec563c.001.3
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Chicago IL
AWIPS ID
CAPLOT
NWWS sequence
nwws_processor.7382
WMO heading
XOUS53
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
53

References

Event codes

NameValue
SAMENWS
NationalWeatherServiceSCY

Parameters

NameValue
AWIPSidentifierMWWLOT
WMOidentifierWHUS73 KLOT 121024
NWSheadlineSMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... ...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 4 AM CST SATURDAY
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.CON.KLOT.SC.Y.0097.261112T2300Z-261114T1000Z/
eventEndingTime2026-11-14T04:00:00-06:00
BLOCKCHANNELCMAS
expiredReferences[email protected],urn:oid:2.49.0.1.840.0.130e922d466a6776ab56bf2b2158cccbc79b41ef.001.4,2026-11-11T18:44:00-06:00
Locations

Location data

  • Winthrop Harbor to Wilmette Harbor IL
  • Wilmette Harbor to Northerly Island IL
  • Northerly Island to Calumet Harbor IL
NameValue
SAME092740
SAME092741
SAME092742
UGCLMZ740
UGCLMZ741
UGCLMZ742