{"url_path":"/weather/alerts/2.49.0.1.840.0.d1038477e2d04667ebd1834c9afb356062983f56.001.2","section_key":"alert","section_title":"Small Craft Advisory issued September 18 at 3:06PM CDT until September 19 at 3:00PM CDT by NWS Chicago IL","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-09-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.d1038477e2d04667ebd1834c9afb356062983f56.001.2","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Chicago IL"},"word_count":98,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued September 18 at 3:06PM CDT until September 19 at 3:00PM CDT by NWS Chicago IL\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Winthrop Harbor to Wilmette Harbor IL\n**Issued by:** NWS Chicago IL\n**Sent:** 2026-09-18T15:06:00-05:00\n**Effective:** 2026-09-18T15:06:00-05:00\n**Expires:** 2026-09-18T23:15:00-05:00\n\n## Description\n* WHAT...Southeast winds to 25 kt and significant waves to 7 ft\noccasionally to 9 ft expected.\n\n* WHERE...Winthrop Harbor to Wilmette Harbor IL.\n\n* WHEN...From 10 PM this evening to 3 PM CDT Saturday.\n\n* IMPACTS...Conditions will be hazardous to small craft.\n\n## Instructions\nInexperienced mariners, especially those operating smaller\nvessels, should avoid navigating in hazardous conditions."}