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: 238 AM EDT Fri Apr 17 2026


Today: SW winds 5 to 10 kt, becoming S late. Seas 2 to 3 ft. Wave detail: SE 3 ft at 9 seconds and S 2 ft at 4 seconds.

Tonight: S winds 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 9 seconds.

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

Sat Night: S winds 10 to 15 kt. Seas 3 ft. Wave detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds.

Sun: W winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 8 seconds and S 2 ft at 5 seconds. A slight chance of showers in the afternoon.

Sun Night: N winds 20 to 25 kt with gusts to 30 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. Wave detail: NW 3 ft at 3 seconds and SE 3 ft at 8 seconds, becoming NE 5 ft at 5 seconds. A slight chance of showers.

Mon: NE winds 20 to 25 kt. Seas 4 to 6 ft.

Mon Night: E winds 10 to 15 kt. Seas 4 to 5 ft.

Tue: NE winds 15 to 20 kt. Seas 3 to 4 ft.

Tue Night: SE winds 10 to 15 kt. Seas 3 to 4 ft.







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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