First published 10/10/2026, 10:07:15 AM UTC · Last updated 10/10/2026, 10:07:15 AM UTC

Special Marine Warning issued October 10 at 5:59AM EDT until October 10 at 6:30AM EDT by NWS Charleston SC

The National Weather Service in Charleston issued a marine warning for Charleston Harbor and nearby South Carolina coastal waters through 6:30 AM EDT. Boaters were instructed to seek safe harbor immediately as a severe thunderstorm capable of producing waterspouts and wind gusts to 34 knots was reported.

Why it matters

The warning calls for immediate protective action by boaters in the affected waters.

Location

Categories: severe-weather-and-natural-disasters

Generated scores

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

Confidence: 7/10How 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: 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).
Positivity: 1/10How 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).

Sources

Primary official sourceSpecial Marine Warning issued October 10 at 5:59AM EDT until October 10 at 6:30AM EDT by NWS Charleston SC

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