Special Marine Warning Issued for Big Island Windward Waters Through Sunday Afternoon

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 4:27 PM HST following radar detection of a strong thunderstorm in the area.

Affected Areas

The warning covers the Big Island Windward Waters. At 4:26 PM HST, the storm was located 9 nautical miles north of FAD Buoy HK, or approximately 13 nautical miles northeast of Ninole, moving northeast at 10 knots.

What You Should Do

Mariners and residents in the affected area should take the following precautions:

• Seek Safe Harbor: Move to a safe port immediately as waterspouts can easily overturn boats and create hazardous seas.
• Safety Equipment: Ensure all persons on board are wearing life jackets.
• Stay Below Deck: If caught on open water, stay below deck to avoid frequent lightning. Stay low or go below to remain safe from gusty winds and sudden waves.
• Prepare for Conditions: Be ready for steep, fast-building seas and blinding downpours.

Expected Conditions

According to the National Weather Service, the following hazards are present:

• Waterspouts: Possible sudden formation which can overturn small craft.
• Wind: Gusts of 34 knots or greater.
• Hail: Small hail may accompany the storm.
• Lightning: Frequent lightning is occurring.
• Impact: Small craft could be damaged by briefly higher winds and suddenly higher waves. The storm is expected to remain mainly over open waters.

Timeline

The Special Marine Warning is effective from 4:27 PM HST and is currently set to expire at 5:30 PM HST on February 22, 2026.