| 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: 709 AM EDT Thu Apr 30 2026 | |
| Today: W winds 10 to 15 kt, diminishing to 5 to 10 kt early this afternoon, then becoming S late. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and E 2 ft at 11 seconds. Showers and tstms likely early this morning, then a chance of showers and tstms late this morning. A slight chance of showers and tstms late. Tonight: E winds 5 to 10 kt. Seas 2 ft. Wave detail: SE 2 ft at 5 seconds and E 1 foot at 10 seconds. A slight chance of showers and tstms in the evening, then a slight chance of showers after midnight. Fri: NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: E 2 ft at 6 seconds and E 1 foot at 10 seconds. A slight chance of tstms. A chance of showers in the morning, then showers likely in the afternoon. Fri Night: NE winds 10 kt. Seas 2 to 3 ft. Wave detail: NE 2 ft at 5 seconds and E 1 foot at 11 seconds. A slight chance of tstms in the evening. Showers likely. Sat: NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave detail: E 3 ft at 5 seconds and E 1 foot at 11 seconds, becoming NW 3 ft at 4 seconds and E 1 foot at 11 seconds. Showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon. Sat Night: N winds 15 to 20 kt. Seas 3 to 4 ft. Wave detail: N 3 ft at 5 seconds and NE 3 ft at 9 seconds. Showers with a chance of tstms in the evening, then a chance of showers after midnight. Sun: NE winds 15 to 20 kt. Seas 3 to 4 ft. Sun Night: NE winds 5 to 10 kt. Seas 3 to 4 ft. Mon: E winds 5 to 10 kt. Seas 2 to 3 ft. Mon Night: SE winds 5 to 10 kt. Seas 2 to 3 ft. 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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