Special Marine Warning Issued for Kauai Leeward Waters Through Early Thursday Morning

Source: NOAA · Kauai Leeward Waters

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The National Weather Service has issued a Special Marine Warning for Kauai Leeward Waters as a severe thunderstorm capable of producing waterspouts moves through the region.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on March 24, 2026 and geographically references Kauai Leeward Waters. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, SpecialMarineWarning, Kauai) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The National Weather Service in Honolulu has issued a Special Marine Warning for the Kauai Leeward Waters. The alert was issued at 2:50 AM HST on March 12, 2026, following radar detection of severe weather conditions in the area.

Affected Areas

The warning specifically impacts the Kauai Leeward Waters. Impacted locations include:

  • Port Allen
  • Kikiaola Harbor
  • Southern Tip of Niihau
  • FAD Buoy KK
  • FAD Buoy PP
  • FAD Buoy AA

What You Should Do

Mariners are advised to move to safe harbor immediately. You should remain in a secure location until the hazardous weather conditions have passed. Small craft should be especially cautious as they could be damaged by sudden wind increases and higher waves.

Expected Conditions

At 2:49 AM HST, a severe thunderstorm was located 50 nautical miles southwest of the Southern Tip of Niihau, or approximately 75 nautical miles southwest of Kekaha. The storm is moving northeast at 35 knots.

Primary hazards include:

  • Waterspouts: Capable of creating locally hazardous seas.
  • Wind: Gusts of 34 knots or greater.
  • Hail: Small hail is possible within the storm cell.

Timeline

The warning is effective immediately and is currently scheduled to expire at 4:45 AM HST on March 12, 2026.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Special Marine Warning for Kauai Leeward Waters as a severe thunderstorm capable of producing waterspouts moves through the region.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Kauai Leeward Waters. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.