Coastal Waters Forecast
Issued by NWS Charleston, SC

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000 FZUS52 KCHS 041920 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 320 PM EDT Wed Oct 4 2023 South Santee River SC to Savannah GA out 20 NM and Savannah GA to Altamaha Sound GA out 60 NM, including Charleston Harbor and Grays Reef National Marine Sanctuary AMZ300-050815- 320 PM EDT Wed Oct 4 2023 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will prevail through Thursday. A cold front will move through on Saturday, followed by cooler high pressure through early next week. $$ AMZ330-050815- Charleston Harbor- 320 PM EDT Wed Oct 4 2023 .TONIGHT...NE winds 10 to 15 kt. .THU...NE winds 10 to 15 kt. A slight chance of showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight. A slight chance of showers in the evening. .FRI...N winds 5 to 10 kt. A slight chance of showers and tstms in the afternoon. .FRI NIGHT...NW winds 5 to 10 kt. A slight chance of showers and tstms in the evening. .SAT...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts to 20 kt in the afternoon. .SAT NIGHT...N winds 10 to 15 kt with gusts to 20 kt. .SUN...N winds 10 to 15 kt. .SUN NIGHT...NW winds 5 to 10 kt. .MON...W winds 5 to 10 kt. .MON NIGHT...SW winds 10 kt. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 76 degrees. $$ AMZ350-050815- Waters from South Santee River to Edisto Beach SC out 20 NM- 320 PM EDT Wed Oct 4 2023 .TONIGHT...NE winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. .THU...NE winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. A slight chance of showers in the morning, then a chance of showers with a slight chance of tstms in the afternoon. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of tstms. A chance of showers, mainly in the evening. .FRI...NE winds 10 kt. Seas 4 to 5 ft. A slight chance of showers and tstms. .FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms in the evening. .SAT...W winds 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. .SAT NIGHT...N winds 15 to 20 kt. Seas 4 to 5 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ352-050815- Waters from Edisto Beach SC to Savannah GA out 20 NM- 320 PM EDT Wed Oct 4 2023 .TONIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft. A slight chance of showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. A slight chance of showers in the evening. .FRI...N winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms in the afternoon. .FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms in the evening. .SAT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. .SUN...N winds 15 to 20 kt. Seas 4 to 5 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ354-050815- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 320 PM EDT Wed Oct 4 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas 4 to 6 ft. A slight chance of showers this evening. .THU...NE winds 15 to 20 kt. Seas 4 to 5 ft. A slight chance of showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of showers in the evening. .FRI...N winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms in the afternoon. .FRI NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Seas 3 to 4 ft. A slight chance of showers and tstms in the evening. .SAT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...NW winds 10 kt. Seas 3 to 4 ft. .MON...NW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ374-050815- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 320 PM EDT Wed Oct 4 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt, diminishing to 10 to 15 kt late. Seas 5 to 7 ft, subsiding to 5 to 6 ft after midnight. A slight chance of showers until early morning. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Seas 5 to 6 ft. A slight chance of showers in the morning, then a chance of showers with a slight chance of tstms in the afternoon. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of tstms. A chance of showers, mainly in the evening. .FRI...N winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers with a slight chance of tstms. .FRI NIGHT...N winds 5 to 10 kt. Seas 4 to 5 ft. A chance of showers with a slight chance of tstms in the evening. .SAT...NW winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NW winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...NW winds 10 kt. Seas 4 to 5 ft. .MON...NW winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. $$

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