First published 9/19/2026, 12:17:15 AM · Last updated 9/19/2026, 12:17:15 AM

Special Marine Warning issued September 18 at 8:12PM EDT until September 18 at 8:15PM EDT by NWS Key West FL

National Weather Service Key West issued a Special Marine Warning starting 2026-09-19T00:12:00Z (issued at 8:12 PM EDT on Sept 18) valid until 2026-09-19T00:15:00Z, affecting the Key West, FL marine area.

Categories: severe-weather-and-natural-disasters, travel-and-transportation

Generated scores

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

Confidence: 9/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 4/10The 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).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Short-duration but potentially dangerous marine conditions (e.g., strong winds, thunderstorms, waterspouts, or hazardous seas) can threaten small craft and marine operations near Key West; mariners and local responders should take immediate protective actions.

Location

Sources

Special Marine Warning issued September 18 at 8:12PM EDT until September 18 at 8:15PM EDT by NWS Key West FL

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