Special Marine Warning Issued for Oahu and Kauai Channel Waters Through Wednesday Afternoon
This alert is no longer in effect.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 Kauai Channel waters until 1:45 PM HST due to potential waterspouts and 34-knot wind gusts.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Oahu and Kauai Channel
- Issued
- April 6, 2026
- Issuing authority
- NWS Honolulu HI
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 Kauai Channel.
Alert Details
The National Weather Service in Honolulu HI has issued a Special Marine Warning for the Kauai Channel and waters surrounding Oahu. This alert was issued at 11:41 AM HST following radar detection of severe weather conditions.
Affected Areas
The warning covers the following marine regions:
- Kauai Channel
- Oahu Leeward Waters
- Oahu Windward Waters
Specific locations impacted include Laie Point, Mokulua Islands, Waianae Harbor, Barbers Point, and FAD Buoys BO, J, CO, and S.
What You Should Do
Mariners and residents in the affected areas should take immediate precautions:
- Prepare for gusty winds, steep and fast-building seas, and blinding downpours.
- Stay low or go below deck if possible.
- Ensure all individuals on board are wearing life jackets.
- Avoid the area if possible until conditions improve.
Expected Conditions
Thunderstorms capable of producing waterspouts were located along a line moving northeast at 10 knots. Hazards include:
- Waterspouts: Capable of easily overturning boats and creating locally hazardous seas.
- Wind: Gusts of 34 knots or greater.
- Waves: Suddenly higher waves and steep seas that could damage small craft.
Timeline
The Special Marine Warning is effective immediately as of 11:41 AM HST and is scheduled to expire at 1:45 PM HST on March 11, 2026.
Original source: NOAA Official Notice ↗
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