Special Marine Warning for Maui County and Big Island Windward Waters Through Early Sunday

Weather Alerts high NOAA · · Maui and Big Island Windward Waters

NWS Honolulu has issued a Special Marine Warning for the Alenuihaha Channel and surrounding windward waters as strong thunderstorms produce 40-knot wind gusts.

Alert Details

The National Weather Service in Honolulu has issued a Special Marine Warning for several marine zones in Hawaii. The alert was issued at 11:11 PM HST on February 21 and remains in effect until 1:15 AM HST on February 22.

Affected Areas

The warning covers the following geographic regions:

  • Alenuihaha Channel
  • Big Island Windward Waters
  • Maui County Windward Waters

Specific locations impacted include FAD Buoy HO, FAD Buoy M, and FAD Buoy FF.

What You Should Do

Mariners and those in the affected areas should take immediate safety precautions:

  • Prepare for Hazards: Be ready for gusty winds, steep and fast-building seas, and blinding downpours.
  • Seek Shelter: Stay low or go below deck to avoid being swept overboard.
  • Safety Gear: Ensure all individuals on board are wearing life jackets.
  • Avoidance: It is recommended to avoid these waters until the warning has expired.

Expected Conditions

At 11:10 PM HST, radar indicated strong thunderstorms located along a line moving northeast at 30 knots.

  • Wind Hazards: Gusts up to 40 knots are expected.
  • Marine Impact: Small craft could be damaged in briefly higher winds and suddenly higher waves.
  • Visibility: Blinding downpours may significantly reduce visibility for navigators.

Timeline

  • Effective Since: February 21, 11:11 PM HST
  • Expiration: February 22, 1:15 AM HST

Source: NOAA Official Notice