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weather NWS minor Coastal Colleton; Charleston October 25, 2026 at 1:42 AM

High Surf Advisory

* WHAT...For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston).

* WHERE...Coastal Colleton and Charleston Counties.

* WHEN...For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Warning, from 4 AM to 11 AM EDT Sunday.

* IMPACTS...Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

* ADDITIONAL DETAILS...High tide will occur around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.

Local conditions in Coastal Colleton; Charleston may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.

Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.

Alert USA is tracking this developing situation and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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