Coastal Waters Forecast
Issued by NWS Charleston, SC

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090 FZUS52 KCHS 150534 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1234 AM EST Sun Dec 15 2019 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 AMZ300-151715- 1234 AM EST Sun Dec 15 2019 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will build from the west through the weekend and then slide offshore on Monday. A cold front will then cross the area late Tuesday, followed by high pressure into late next week. Low pressure should then develop along the coast next weekend. $$ AMZ330-151715- Charleston Harbor- 1234 AM EST Sun Dec 15 2019 .OVERNIGHT...W winds 10 to 15 kt. .SUN...W winds 5 to 10 kt. .SUN NIGHT...S winds 5 kt. .MON...S winds 5 kt, increasing to 10 kt in the afternoon. .MON NIGHT...S winds 10 kt. A slight chance of showers after midnight. .TUE...SW winds 10 to 15 kt with gusts to 20 kt. A chance of showers in the morning, then showers likely with a slight chance of tstms in the afternoon. .TUE NIGHT...NW winds 10 kt, becoming N with gusts to 20 kt after midnight. A chance of showers. .WED...N winds 10 to 15 kt. .WED NIGHT...N winds 10 kt. .THU...NE winds 5 to 10 kt. .THU NIGHT...NE winds 5 kt. Mariners are reminded that winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 56 degrees. $$ AMZ350-151715- Waters from South Santee River to Edisto Beach SC out 20 NM- 1234 AM EST Sun Dec 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING... .OVERNIGHT...W winds 15 to 20 kt with gusts to 25 kt, diminishing to 10 to 15 kt late. Seas 4 to 5 ft, subsiding to 3 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...S winds 5 kt. Seas 2 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. .MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. A slight chance of showers after midnight. .TUE...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft. A chance of showers in the morning, then showers likely with a slight chance of tstms in the afternoon. .TUE NIGHT...W winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 4 to 5 ft. Showers likely. .WED...N winds 15 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 15 kt. Seas 3 to 4 ft. .THU...NE winds 10 to 15 kt. Seas 2 to 3 ft. .THU NIGHT...NE winds 10 kt. Seas 2 to 3 ft. Mariners are reminded that winds and seas higher in and near tstms. $$ AMZ352-151715- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1234 AM EST Sun Dec 15 2019 .OVERNIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 3 to 4 ft. .SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...S winds 5 kt. Seas 2 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. A slight chance of showers after midnight. .TUE...SW winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft. A chance of showers in the morning, then showers likely with a slight chance of tstms in the afternoon. .TUE NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 3 to 4 ft. Showers likely. .WED...N winds 15 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 15 kt. Seas 2 to 3 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 kt. Seas 3 to 4 ft. Mariners are reminded that winds and seas higher in and near tstms. $$ AMZ354-151715- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1234 AM EST Sun Dec 15 2019 .OVERNIGHT...W winds 15 to 20 kt, becoming NW 10 kt. Seas 3 to 4 ft. .SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 ft. .SUN NIGHT...S winds 5 kt. Seas 2 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers after midnight. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers in the morning, then showers likely with a slight chance of tstms in the afternoon. .TUE NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 3 to 4 ft. Showers likely. .WED...N winds 15 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 15 kt. Seas 2 to 3 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 kt. Seas 3 to 4 ft. Mariners are reminded that winds and seas higher in and near tstms. $$ AMZ374-151715- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1234 AM EST Sun Dec 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST EARLY THIS MORNING... .OVERNIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt late. Seas 4 to 6 ft. .SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...S winds 5 to 10 kt. Seas 3 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. .MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 6 ft. A slight chance of showers after midnight. .TUE...SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers. A slight chance of tstms in the afternoon. .TUE NIGHT...W winds 15 to 20 kt, becoming NW after midnight. Seas 4 to 5 ft, building to 4 to 6 ft after midnight. Showers likely. .WED...N winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of showers. .WED NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 15 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. A slight chance of showers. Mariners are reminded that winds and seas higher in and near tstms. $$

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