{"url_path":"/weather/alerts/2.49.0.1.840.0.fbab487ceafd6930d8e35c9f027b18b5dee6c5e9.001.2","section_key":"alert","section_title":"Small Craft Advisory issued May 19 at 3:00PM CDT until May 21 at 4:00AM CDT by NWS Chicago IL","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-19","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.fbab487ceafd6930d8e35c9f027b18b5dee6c5e9.001.2","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":111,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued May 19 at 3:00PM CDT until May 21 at 4:00AM CDT by NWS Chicago IL\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL\n**Issued by:** NWS Chicago IL\n**Sent:** 2026-05-19T15:00:00-05:00\n**Effective:** 2026-05-19T15:00:00-05:00\n**Expires:** 2026-05-19T23:00:00-05:00\n\n## Description\n* WHAT...North to northeast winds to 25 kt and significant waves\nto 6 ft occasionally to 8 ft expected.\n\n* WHERE...Winthrop Harbor to Calumet Harbor IL.\n\n* WHEN...From 10 AM Wednesday to 4 AM CDT Thursday.\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."}