Special Marine Warning Issued for Big Island Windward Waters Through Sunday Evening
The National Weather Service has issued a Special Marine Warning for the Big Island Windward Waters until 6:30 PM HST due to a strong thunderstorm capable of producing waterspouts and high winds.
Alert Details
The National Weather Service in Honolulu has issued a Special Marine Warning for the Big Island Windward Waters. The alert was issued at 5:27 PM HST on February 22, 2026, following radar detection of a strong thunderstorm in the region.
Affected Areas
The warning specifically covers the Big Island Windward Waters. At 5:26 PM HST, the storm was located approximately 18 nautical miles northeast of FAD Buoy HK, or 26 nautical miles northeast of Ninole, moving northeast at 10 knots. The storm is expected to remain primarily over open waters.
What You Should Do
Mariners are urged to prepare for gusty winds, steep and fast-building seas, and blinding downpours. All individuals on board should wear life jackets and stay low or go below deck. Because thunderstorms can produce sudden waterspouts that can easily overturn boats, seek safe harbor immediately. If caught on open water, stay below deck to avoid frequent lightning strikes.
Expected Conditions
- Hazards: Waterspouts, wind gusts of 34 knots or greater, and small hail.
- Sea Conditions: Steep and fast-building seas with locally hazardous waves.
- Weather: Frequent lightning and blinding downpours.
- Impact: Waterspouts can overturn vessels; high winds and sudden waves may damage small craft.
Timeline
The Special Marine Warning is effective immediately and is scheduled to expire at 6:30 PM HST on February 22, 2026.
Source: NOAA Official Notice