First published Oct 25, 2026, 2:25:16 AM UTC · Last updated Oct 25, 2026, 2:25:16 AM UTC

Coastal and marine hazards

Coastal Flood Warning — NWS Charleston SC

Original source title

Coastal Flood Warning issued October 24 at 9:42PM EDT until October 25 at 11:00AM EDT by NWS Charleston SC

Reported by U.S. National Weather Service Alerts NWS

A coastal flood warning covers Coastal Colleton and Charleston Counties, with one to two feet of inundation expected along shorelines and tidal waterways from 4 AM to 11 AM EDT Sunday. The alert says numerous roads may become impassable and properties may flood.

At a glance

Affected location: Coastal Colleton and Charleston Counties, South Carolina

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Why it matters

The alert advises protecting flood-prone property and avoiding barricades or water of unknown depth if travel is required.

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).
Urgency: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Coastal Flood Warning issued October 24 at 9:42PM EDT until October 25 at 11:00AM EDT by NWS Charleston SC

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