Special Marine Warning Issued for Oahu and Maui County Waters Through Thursday Morning
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Honolulu has issued a Special Marine Warning for Oahu and Maui County waters as a severe thunderstorm capable of producing waterspouts moves through the region.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Oahu and Maui County Waters
- Issued
- April 6, 2026
- Issuing authority
- NWS Honolulu
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Oahu and Maui County Waters.
Alert Details
The National Weather Service in Honolulu has issued a Special Marine Warning effective until 7:30 AM HST on March 12, 2026. The alert was triggered by a severe thunderstorm detected by radar.
Affected Areas
The warning covers the following marine areas:
- Oahu Windward and Leeward Waters
- Kaiwi Channel
- Maui County Windward and Leeward Waters
- Maalaea Bay
- Pailolo Channel
- Alenuihaha Channel
Specific locations impacted include Cape Halawa, Mokulua Islands, Ilio Point, FAD Buoy K, FAD Buoy MC, Kaumalapau Harbor, Hale O Lono Harbor, and FAD Buoy CC.
What You Should Do
Mariners and residents in the affected areas should take the following precautions:
- Prepare for gusty winds, steep and fast-building seas, and blinding downpours.
- Stay low or go below deck.
- Ensure all individuals on board are wearing life jackets.
- Avoid the warning area as waterspouts can easily overturn boats.
Expected Conditions
At 5:34 AM HST, a severe thunderstorm capable of producing waterspouts was located approximately 19 nautical miles southeast of FAD Buoy P, or 36 nautical miles west of Lanai Airport. The storm is moving northeast at 30 knots.
Hazards include:
- Waterspouts: Capable of overturning boats and creating locally hazardous seas.
- Wind: Gusts of 34 knots or greater.
- Seas: Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
The Special Marine Warning is in effect immediately as of 5:35 AM HST and is scheduled to expire at 7:30 AM HST on March 12, 2026.
Original source: NOAA Official Notice ↗
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