2 products issued by NWS for: Copper Harbor MI
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 406 AM EDT Wed Mar 11 2026 LSZ243-244-112015- /O.CON.KMQT.SC.Y.0041.260311T1200Z-260312T0600Z/ Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- 406 AM EDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 2 AM EDT THURSDAY... * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Upper Entrance of Portage Canal to Eagle River MI and Eagle River to Manitou Island MI. * WHEN...From 8 AM this morning to 2 AM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Marquette MI 346 AM EDT Wed Mar 11 2026 LSZ162-240>251-263>267-120800- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 346 AM EDT Wed Mar 11 2026 /246 AM CDT Wed Mar 11 2026/ This Hazardous Weather Outlook is for portions of Central Lake Superior...Eastern Lake Superior and Western Lake Superior. .DAY ONE...Today and Tonight A few gale force gusts are possible over eastern Lake Superior this evening. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Confidence is increasing that a clipper system will produce widespread Gales late Thursday through Friday. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. $$