Coastal Waters Forecast for Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary (AMZ364) (Text-Only)
NWS Forecast for: Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary (AMZ364)
Issued by: National Weather Service Charleston, SC
Last Update: 640 PM EDT Sat Sep 5 2026
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Tonight: SW winds 10 kt, becoming W late. Seas 2 ft. Wave detail: SE 2 ft at 8 seconds and SW 1 foot at 3 seconds.

Sun: W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 ft. Wave detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of showers and tstms in the afternoon.

Sun Night: S winds 5 to 10 kt, becoming N after midnight. Seas 2 ft. Wave detail: S 2 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers and tstms.

Mon: NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: E 3 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of tstms. Showers.

Mon Night: E winds 15 to 20 kt. Seas 3 to 4 ft. Wave detail: NE 4 ft at 5 seconds and E 1 foot at 9 seconds. A chance of tstms. Showers.

Tue: NE winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave detail: NE 3 ft at 5 seconds and SE 1 foot at 8 seconds, becoming NE 4 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of tstms. Showers.

Tue Night: E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Showers likely with a chance of tstms.

Wed: E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms.

Wed Night: SE winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms.

Thu: S winds 5 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.

Thu Night: SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms.

winds and seas higher in and near tstms.







Zone Forecast: Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary (AMZ364)

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