Special Marine Warning Issued for SC-GA Coastal 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This alert is no longer in effect.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 Charleston has issued a Special Marine Warning for coastal waters from Edisto Beach SC to Altamaha Sound GA until 7:45 PM EDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal waters from Edisto Beach SC to Altamaha Sound GA
- Issued
- July 23, 2026
- Issuing authority
- NWS Charleston SC
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 Coastal waters from Edisto Beach SC to Altamaha Sound GA.
Alert Details
Special Marine Warning issued by NWS Charleston SC. Effective from June 18, 2026 at 5:47 PM EDT until June 18, 2026 at 7:45 PM EDT.
Affected Areas
Coastal waters from Edisto Beach SC to Savannah GA out 20 NM; Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
Strong thunderstorm located over Buoy K C moving northeast at 30 knots. Wind gusts to 34 knots. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert in effect from 5:47 PM EDT to 7:45 PM EDT on June 18, 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 (695 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.