First published Oct 31, 2026, 8:51:15 PM UTC · Last updated Oct 31, 2026, 8:51:15 PM UTC

Thunderstorms and lightning

Special Marine Warning — NWS Key West FL

Original source title

Special Marine Warning issued October 31 at 4:27PM EDT until October 31 at 5:00PM EDT by NWS Key West FL

Reported by U.S. National Weather Service Alerts NWS

The National Weather Service issued a marine warning for Gulf waters including Dry Tortugas and Rebecca Shoal Channel, where a strong thunderstorm was reported. The alert cited wind gusts of at least 34 knots, higher waves, lightning, and heavy downpours, and instructed people to stay low or go below.

At a glance

Affected location: Gulf of America, including Dry Tortugas and Rebecca Shoal Channel

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Why it matters

The alert gives people on the affected waters immediate protective instructions during intense lightning.

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: 3/10How 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: 4/10The 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 31 at 4:27PM EDT until October 31 at 5:00PM EDT by NWS Key West FL

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