Coastal Waters Forecast
Issued by NWS Charleston, SC

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402 FZUS52 KCHS 181515 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1015 AM EST Sat Jan 18 2020 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 AMZ300-190315- 1015 AM EST Sat Jan 18 2020 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A warm front will lift through the region later today and this evening. A cold front is expected to move through late tonight into Sunday, followed by cold and dry high pressure into the middle of next week. A low pressure system could impact the region next weekend. $$ AMZ330-190315- Charleston Harbor- 1015 AM EST Sat Jan 18 2020 .REST OF TODAY...NE winds 10 kt, becoming S late. A slight chance of showers. .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. A chance of showers. .SUN...SW winds 10 to 15 kt, becoming W in the afternoon. A chance of showers, mainly in the morning. .SUN NIGHT...NW winds 10 kt. .MON...N winds 10 kt. .MON NIGHT...N winds 10 kt. .TUE...N winds 10 to 15 kt. .TUE NIGHT...N winds 15 kt. .WED...NE winds 10 to 15 kt. .WED NIGHT...NE winds 10 kt. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 59 degrees. $$ AMZ350-190315- Waters from South Santee River to Edisto Beach SC out 20 NM- 1015 AM EST Sat Jan 18 2020 .REST OF TODAY...E winds 10 to 15 kt, becoming S 15 to 20 kt late. Seas 4 to 5 ft. A slight chance of showers. .TONIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft. A chance of showers. .SUN...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. A chance of showers. .SUN NIGHT...N winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. .MON...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 15 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...N winds 20 to 25 kt. Seas 4 to 6 ft. .WED...NE winds 20 to 25 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of showers. $$ AMZ352-190315- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1015 AM EST Sat Jan 18 2020 .REST OF TODAY...S winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of showers. .TONIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 4 to 5 ft, building to 4 to 6 ft after midnight. A chance of showers. .SUN...SW winds 10 to 15 kt, becoming W in the afternoon. Seas 3 to 4 ft. A chance of showers. .SUN NIGHT...NW winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft. .MON...N winds 10 to 15 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 15 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...N winds 20 kt. Seas 4 to 5 ft. .WED...NE winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. $$ AMZ354-190315- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1015 AM EST Sat Jan 18 2020 .REST OF TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers late this morning. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of showers in the evening, then a chance of showers after midnight. .SUN...SW winds 10 to 15 kt with gusts to 20 kt, becoming W in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. A chance of showers. .SUN NIGHT...NW winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft. .MON...N winds 10 to 15 kt. Seas 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 15 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft. .WED...NE winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. $$ AMZ374-190315- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1015 AM EST Sat Jan 18 2020 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TODAY...S winds 15 to 20 kt. Seas 5 to 7 ft. A slight chance of showers. .TONIGHT...S winds 15 to 20 kt. Gusts to 30 kt after midnight. Seas 5 to 7 ft. A slight chance of showers in the evening, then a chance of showers after midnight. .SUN...SW winds 15 to 20 kt, becoming W in the afternoon. Seas 5 to 7 ft, subsiding to 4 to 6 ft in the afternoon. A chance of showers. .SUN NIGHT...NW winds 15 to 20 kt. Seas 4 to 5 ft. A slight chance of showers in the evening. .MON...N winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. .MON NIGHT...N winds 15 to 20 kt. Seas 4 to 5 ft. .TUE...N winds 20 to 25 kt. Seas 5 to 7 ft. A slight chance of showers. .TUE NIGHT...N winds 20 to 25 kt. Seas 6 to 8 ft. .WED...NE winds 20 to 25 kt. Seas 7 to 9 ft. A chance of showers. .WED NIGHT...NE winds 15 to 20 kt. Seas 7 to 9 ft. A slight chance of showers. $$

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