Lexington, Massachusetts, USA
Issued by the National Weather Service - Marquette, MI
Areas Affected: Manitou Island to Point Isabelle MI; Point Isabelle to Lower Entrance of Portage Canal MI; Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays; Huron Islands to Marquette MI
Urgency: Expected
Severity: Severe
Certainty: Likely
Alert Sent: Wednesday 3:42pm EST
Alert Effective: Wednesday 3:42pm EST
Alert Expires: Thursday 1:00am EST (expect updated alert by this time)
Event Onset: Wednesday 3:42pm EST
Event Ends: Wednesday 7:00pm EST
Issued by: NWS Marquette MI
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. For the Small Craft Advisory, west winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...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 and Huron Islands to Marquette MI. * WHEN...For the Heavy Freezing Spray Warning, until 7 PM EST this evening. For the Small Craft Advisory, until 1 AM EST Thursday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft.
Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
ID: urn:oid:2.49.0.1.840.0.22a3606f6ba331c3e776941d91c87aad347749b0.004.1 Codes: LSZ245, LSZ246, LSZ247, LSZ248 Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.22a3606f6ba331c3e776941d91c87aad347749b0.004.1