FZUS52 KCHS 190812 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 312 AM EST Sun Jan 19 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 AMZ300-192015- 312 AM EST Sun Jan 19 2020 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A cold front is expected to move through this morning, followed by high pressure prevailing through the middle of the week. A low pressure system could impact the area this weekend. $$ AMZ330-192015- Charleston Harbor- 312 AM EST Sun Jan 19 2020 .TODAY...SW winds 15 to 20 kt, becoming W. Waves 1 to 2 ft. Showers likely, mainly this morning. .TONIGHT...N winds 10 to 15 kt. .MON...N winds 10 to 15 kt. .MON NIGHT...N winds 10 kt. .TUE...N winds 10 to 15 kt with gusts to 20 kt. .TUE NIGHT...N winds 15 kt with gusts to 20 kt. .WED...NE winds 10 to 15 kt. .WED NIGHT...NE winds 10 kt. .THU...NE winds 10 kt. .THU NIGHT...NE winds 10 kt. A slight chance of showers. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 60 degrees. $$ AMZ350-192015- Waters from South Santee River to Edisto Beach SC out 20 NM- 312 AM EST Sun Jan 19 2020 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...SW winds 15 to 20 kt with gusts to 25 kt, becoming W this afternoon. Seas 4 to 6 ft. Showers likely, mainly this morning. .TONIGHT...N winds 15 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. .MON NIGHT...N winds 15 to 20 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. .TUE...N winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...N winds 20 to 25 kt with gusts to 35 kt. Seas 4 to 5 ft, building to 4 to 6 ft after midnight. .WED...NE winds 20 to 25 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft. .THU...NE winds 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. $$ AMZ352-192015- Waters from Edisto Beach SC to Savannah GA out 20 NM- 312 AM EST Sun Jan 19 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... .TODAY...W winds 15 to 20 kt with gusts to 25 kt this morning. Seas 4 to 6 ft, subsiding to 4 to 5 ft this afternoon. Showers likely, mainly this morning. .TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. .MON...N winds 15 to 20 kt with gusts to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 15 to 20 kt with gusts to 30 kt. Seas 3 to 4 ft. .TUE NIGHT...N winds 20 kt with gusts to 30 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. .WED...NE winds 15 to 20 kt. Seas 4 to 5 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft. .THU...NE winds 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. $$ AMZ354-192015- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 312 AM EST Sun Jan 19 2020 .TODAY...W winds 15 to 20 kt. Seas 3 to 4 ft. Showers likely, mainly this morning. .TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. .MON...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .TUE...N winds 15 to 20 kt. Gusts to 30 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...N winds 20 kt with gusts to 30 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. .WED...N winds 15 to 20 kt. Seas 4 to 5 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. $$ AMZ374-192015- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 312 AM EST Sun Jan 19 2020 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TODAY...SW winds 20 to 25 kt, becoming W 15 to 20 kt this afternoon. Seas 5 to 7 ft. Showers likely, mainly this morning. .TONIGHT...NW winds 20 kt with gusts to 25 kt. Seas 4 to 6 ft. .MON...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. .TUE...N winds 15 to 20 kt with gusts to 25 kt, increasing to 20 to 25 kt with gusts to 35 kt in the afternoon. Seas 4 to 6 ft, building to 5 to 7 ft in the afternoon. A slight chance of showers in the afternoon. .TUE NIGHT...N winds 25 kt with gusts to 35 kt. Seas 6 to 8 ft, building to 7 to 9 ft after midnight. A slight chance of showers. .WED...NE winds 20 to 25 kt. Seas 7 to 9 ft. A chance of showers. .WED NIGHT...NE winds 20 to 25 kt. Seas 7 to 9 ft. A slight chance of showers. .THU...NE winds 15 to 20 kt. Seas 6 to 8 ft. A slight chance of showers. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. A chance of showers. $$