First published Oct 30, 2026, 12:29:15 PM UTC · Last updated Oct 30, 2026, 12:29:15 PM UTC

Thunderstorms and lightning

NWS Honolulu issues Special Marine Warning for Big Island Windward Waters

Reported by U.S. National Weather Service Alerts NWS

A severe thunderstorm capable of producing waterspouts and wind gusts up to 40 knots was reported over Isaac Hale Beach Park, with the warning in effect until 4:00 AM HST. The alert instructed people on the water to prepare for hazardous conditions and wear life jackets.

At a glance

Affected location: Big Island Windward Waters

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Why it matters

The warning calls for prompt precautions on affected waters because waterspouts and sudden hazardous seas could endanger boats.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 1/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Special Marine Warning issued October 30 at 2:04AM HST until October 30 at 4:00AM HST by NWS Honolulu HI

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