{"url_path":"/weather/alerts/2.49.0.1.840.0.a540255efd4cc52937fc799a985504d572a78bf6.001.1","section_key":"alert","section_title":"Small Craft Advisory issued May 18 at 2:57PM EDT until May 18 at 10:00PM EDT by NWS Detroit/Pontiac MI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a540255efd4cc52937fc799a985504d572a78bf6.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Detroit/Pontiac MI"},"word_count":202,"has_tables":false,"body_markdown":"# Small Craft Advisory: Small Craft Advisory issued May 18 at 2:57PM EDT until May 18 at 10:00PM EDT by NWS Detroit/Pontiac MI\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay; Inner Saginaw Bay SW of Point Au Gres to Bay Port MI; Port Austin to Harbor Beach MI; Harbor Beach to Port Sanilac MI; Port Sanilac to Port Huron MI\n**Issued by:** NWS Detroit/Pontiac MI\n**Sent:** 2026-05-18T14:57:00-04:00\n**Effective:** 2026-05-18T14:57:00-04:00\n**Expires:** 2026-05-18T22:00:00-04:00\n\n## Description\n* WHAT...Expect sustained winds up to 19 knots from the\nsouthwest with gusts up to 26 knots. The largest significant\nwaves will be 3 feet with a potential maximum wave height of 4\nfeet.\n\n* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to\nInner Saginaw Bay, Inner Saginaw Bay SW of Point Au Gres to\nBay Port MI, Port Austin to Harbor Beach MI, Harbor Beach to\nPort Sanilac MI and Port Sanilac to Port Huron MI.\n\n* WHEN...The maximum winds are expected around 2 PM EDT Monday\nwith the largest waves expected around 2 PM EDT Monday.\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."}