Special Marine Warning Issued for South Carolina Waters
This alert is no longer in effect.
NOAA issued it on July 23, 2026, 4 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Wilmington NC has issued a Special Marine Warning for waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM until 12:45 AM EDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- South Carolina Coast
- Issued
- July 23, 2026
- Issuing authority
- NWS Wilmington NC
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 4 weeks ago; use the issuing agency's live warning service for current conditions in South Carolina Coast.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Wilmington NC. The alert is effective from 11:11 PM EDT on June 18, 2026, until 12:45 AM EDT on June 19, 2026.
Affected Areas
Waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM. Locations impacted include Horseshoe Area, Horseshoe Reef, and Vermillion Reef.
What You Should Do
Boaters should seek safe harbor immediately until these storms pass. If caught on the open water, prepare for deteriorating conditions. Make sure you and your crew are wearing properly fitted life jackets.
Expected Conditions
At 11:11 PM EDT, strong thunderstorms were located along a line extending from Horseshoe Reef to 28 nm east of Edisto Buoy, moving east at 35 knots. Hazard includes wind gusts 34 knots or greater.
Timeline
The warning is in effect until 12:45 AM EDT on June 19, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (904 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 23, 2026.
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Common questions about this NWS weather alert.