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Special Marine Warning issued October 10 at 6:29AM EDT until October 10 at 7:00AM EDT by NWS Charleston SC

Latest captured source record. This is an archive, not a current warning service.

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First tracked
2026-10-10 09:29:51.554Z
Last seen in a feed
2026-10-10 10:59:51.630Z
Source classification
Severe · Source update
Issuer / area
NWS Charleston SC · 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
Certainty / urgency
Likely / Immediate
Message expiry (not hazard end)
2026-10-10T11:00:00.000Z
Forecast onset / end
2026-10-10T10:29:00.000Z / 2026-10-10T11:00:00.000Z

Special Marine Warning · 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. Severe; likely; urgency: immediate.

Archived official description

For the following areas... Waters from Edisto Beach SC to Altamaha Sound out 20 NM... At 629 AM EDT, a severe thunderstorm capable of producing waterspouts was located over Channel Buoy 5, moving north at 10 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Whitewater Reef, Channel Buoy 5, Gaskins Bank Wreck, Gaskin Banks, Fish America, Savannah Buoy, Hilton Head Reef, Calibogue Sound and Savannah River Entrance.

Instructions in this archived message

Move to safe harbor until hazardous weather passes. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office.

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How the record changed

Only changes captured by this journal are listed; this is not the authority’s complete history. Timestamps distinguish publication from our capture. Missing messages are never treated as cancellations.

  1. newly tracked · Captured 2026-10-10 09:29:51.554Z

    Special Marine Warning issued October 10 at 5:26AM EDT until October 10 at 7:00AM EDT by NWS Charleston SC

    Special Marine Warning · 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. Severe; likely; urgency: immediate.

    Source issued/updated 2026-10-10T09:26:00.000Z · Source alert

    Source for this capture ↗

  2. revised · Captured 2026-10-10 10:44:51.615Z

    Special Marine Warning issued October 10 at 6:29AM EDT until October 10 at 7:00AM EDT by NWS Charleston SC

    Special Marine Warning · 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. Severe; likely; urgency: immediate.

    Source issued/updated 2026-10-10T10:29:00.000Z · Source update

    Source for this capture ↗