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

Weather Alerts high NOAA · · Huron Islands to Marquette MI

The National Weather Service has issued a Heavy Freezing Spray Warning and Gale Warning for the Lake Superior coast between Huron Islands and Marquette, MI, effective Tuesday morning.

Alert Details

The National Weather Service in Marquette, MI, has issued a Heavy Freezing Spray Warning and a Gale Warning for the region. These alerts follow a Small Craft Advisory currently in effect for the area. The Heavy Freezing Spray Warning is classified under NWS code UPW.

Affected Areas

The warning specifically covers the maritime zone from Huron Islands to Marquette, MI (UGC: LSZ248).

What You Should Do

Mariners are urged to prepare for dangerous ice accumulation on their vessels. The NWS recommends remaining in port, avoiding the warning area, or conducting immediate mitigation. Mariners currently at sea should seek safe harbor, alter course, and secure their vessels for hazardous conditions to prevent catastrophic loss of stability.

Expected Conditions

  • Freezing Spray: Accumulation rates of 2 cm per hour or greater are expected, which may render mechanical and electronic components inoperative.
  • Wind and Waves (Gale Warning): South winds of 15 to 25 knots with gusts up to 35 knots and waves of 2 to 5 feet.
  • Current Conditions (Small Craft Advisory): North winds of 10 to 15 knots with gusts up to 20 knots and waves of 3 to 6 feet.

Timeline

  • Small Craft Advisory: In effect until 9:00 PM EST Monday evening, February 23.
  • Heavy Freezing Spray Warning: Effective from 6:00 AM to 1:00 PM EST Tuesday, February 24.
  • Gale Warning: Effective from 7:00 AM to 1:00 PM EST Tuesday, February 24.

Source: NOAA Official Notice