Special Marine Warning for Big Island Windward Waters; Big Island Southeast Waters
Official alert fields
What you need to know
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWHFO The National Weather Service in Honolulu has issued a * Special Marine Warning for... Big Island Southeast Waters... Big Island Windward Waters... * Until 715 PM HST. * At 516 PM HST, severe thunderstorms capable of producing waterspouts were located along a line extending from near Hawaiian Paradise Park to...
What the bulletin says to do
Prepare for gusty winds, steep and fast-building seas, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets.
Full official description
Bulletin details
SMWHFO The National Weather Service in Honolulu has issued a * Special Marine Warning for... Big Island Southeast Waters... Big Island Windward Waters... * Until 715 PM HST. * At 516 PM HST, severe thunderstorms capable of producing waterspouts were located along a line extending from near Hawaiian Paradise Park to 43 nm southeast of Cape Kumukahi, moving northwest at 20 knots. HAZARD...Waterspouts and wind gusts in excess of 65 knots. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. * Locations impacted include... FAD Buoy HK, FAD Buoy E, FAD Buoy D, FAD Buoy G, and Hilo Harbor.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued August 15 at 5:17PM HST until August 15 at 7:15PM HST by NWS Honolulu HI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Honolulu HI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected