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: 530 PM EDT Mon Jul 27 2026
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Tonight: SE winds 5 to 10 kt, becoming S after midnight. Seas 1 to 2 ft. Wave detail: E 2 ft at 8 seconds and S 1 foot at 4 seconds.

Tue: SW winds 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 1 to 2 ft. Wave detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds.

Tue Night: SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave detail: S 3 ft at 4 seconds and E 1 foot at 8 seconds.

Wed: SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 8 seconds. Showers and tstms likely in the afternoon.

Wed Night: SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds. Showers and tstms likely in the evening, then a chance of showers after midnight.

Thu: NW winds 10 to 15 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave detail: W 3 ft at 4 seconds and SE 1 foot at 9 seconds. A slight chance of showers and tstms in the afternoon.

Thu Night: S winds 5 to 10 kt, becoming SW after midnight. Seas 2 ft.

Fri: SW winds 5 to 10 kt. Seas 2 ft.

Fri Night: S winds 10 to 15 kt. Seas 2 ft. A slight chance of showers and tstms.

Sat: SW winds 10 to 15 kt. Seas 2 ft. A chance of showers and tstms.

Sat Night: SW winds 15 to 20 kt. Seas 3 to 4 ft. A 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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