Heavy Freezing Spray Warning and Gale Watch Issued for Huron Islands to Marquette MI

Alert Details

The National Weather Service in Marquette, MI, has issued a Heavy Freezing Spray Warning for the region. This alert is accompanied by a Gale Watch and a Small Craft Advisory. The warning indicates a high probability of significant ice accumulation on vessels, which can lead to hazardous operating conditions and potential loss of stability.

Affected Areas

The alert specifically covers the maritime area from Huron Islands to Marquette, MI.

What You Should Do

Mariners are strongly advised to prepare for dangerous ice accumulation on their vessels. Recommended actions include:

• Remaining in port if possible.
• Avoiding the warning area entirely.
• Seeking safe harbor and securing vessels for severe wind and waves.
• Conducting mitigation measures if already at sea.
• Altering plans to avoid hazardous conditions that could render mechanical and electronic components inoperative.

Expected Conditions

According to the National Weather Service, the following conditions are anticipated:

• Freezing Spray: Accumulation rates of 2 cm per hour or greater are expected during the warning period.
• Wind: For the Gale Watch, north winds of 25 to 30 knots are possible, with gusts reaching up to 35 knots. Current northwest winds are 15 to 20 knots with gusts to 25 knots.
• Waves: Wave heights are expected to reach 7 to 12 feet during the Gale Watch period. Currently, waves of 2 to 5 feet are occurring.
• Impacts: Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds and waves could capsize or damage vessels and significantly reduce visibility.

Timeline

• Small Craft Advisory: In effect until 4:00 PM EST Saturday, February 21.
• Heavy Freezing Spray Warning: Effective from 1:00 PM Sunday, February 22, until 1:00 AM EST Monday, February 23.
• Gale Watch: Effective from Sunday afternoon through late Sunday night.