Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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611 FZUS52 KCHS 190723 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 323 AM EDT Sun May 19 2024 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- 323 AM EDT Sun May 19 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A cold front will cross through our area later today. High pressure then prevails for most of this week, followed by another storm system potentially impacting our area late this week. $$ AMZ330-192015- Charleston Harbor- 323 AM EDT Sun May 19 2024 .TODAY...SW winds 10 to 15 kt with gusts to 20 kt, becoming NW 5 kt this morning, then becoming NE this afternoon. A chance of showers with a slight chance of tstms early this morning. Showers and tstms this afternoon. .TONIGHT...NE winds 5 to 10 kt. A chance of showers and tstms in the evening. .MON...NE winds 10 to 15 kt with gusts to 20 kt. .MON NIGHT...NE winds 10 kt. .TUE...NE winds 10 kt, increasing to 15 kt with gusts to 20 kt in the afternoon. .TUE NIGHT...E winds 5 to 10 kt. .WED...E winds 5 to 10 kt. .WED NIGHT...S winds 5 to 10 kt. .THU...SW winds 5 to 10 kt. .THU NIGHT...S winds 5 to 10 kt. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 76 degrees. $$ AMZ350-192015- Waters from South Santee River to Edisto Beach SC out 20 NM- 323 AM EDT Sun May 19 2024 .TODAY...SW winds 10 to 15 kt with gusts to 20 kt, becoming NW 5 to 10 kt late this morning, then becoming NE this afternoon. Seas 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers with a slight chance of tstms early this morning. Showers and tstms likely this afternoon. .TONIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: NE 3 ft at 8 seconds and S 2 ft at 5 seconds, becoming NE 4 ft at 5 seconds and S 1 foot at 5 seconds. A chance of showers and tstms in the evening, then a slight chance of showers after midnight. Some tstms may produce heavy rainfall in the evening. .MON...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft at 6 seconds and S 1 foot at 5 seconds. .MON NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and S 1 foot at 6 seconds. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. .THU...SW winds 5 to 10 kt. Seas 2 ft. .THU NIGHT...S winds 10 kt. Seas 2 ft. Winds and seas higher in and near tstms. $$ AMZ352-192015- Waters from Edisto Beach SC to Savannah GA out 20 NM- 323 AM EDT Sun May 19 2024 .TODAY...SW winds 10 to 15 kt with gusts to around 20 kt, becoming NW 5 to 10 kt late this morning and early afternoon, then becoming NE late. Seas 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of showers and tstms this morning. Showers and tstms this afternoon. .TONIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and S 2 ft at 5 seconds. Showers and tstms, mainly in the evening. Some tstms may produce heavy rainfall in the evening. .MON...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and S 1 foot at 5 seconds. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED...E winds 5 to 10 kt. Seas 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. .THU...SW winds 5 to 10 kt. Seas 2 ft. .THU NIGHT...S winds 10 kt. Seas 2 ft. Winds and seas higher in and near tstms. $$ AMZ354-192015- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 323 AM EDT Sun May 19 2024 .TODAY...SW winds 10 to 15 kt with gusts to around 20 kt, diminishing to 5 to 10 kt late this morning and early afternoon, then becoming E late. Seas 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 9 seconds. Showers likely with a chance of tstms early. Showers and tstms likely again this afternoon. .TONIGHT...NE winds 5 to 10 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and SW 2 ft at 5 seconds. Showers and tstms in the evening, then a chance of showers with a slight chance of tstms after midnight. Some tstms may produce heavy rainfall in the evening. .MON...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and SE 1 foot at 5 seconds. A slight chance of showers in the morning. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 6 seconds. .TUE...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds. .TUE NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...S winds 5 to 10 kt. Seas 2 ft. .THU NIGHT...S winds 10 kt. Seas 2 ft. Winds and seas higher in and near tstms. $$ AMZ374-192015- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 323 AM EDT Sun May 19 2024 .TODAY...SW winds 10 to 15 kt with gusts to around 20 kt, diminishing to 5 to 10 kt early this afternoon, then becoming NE late. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds. Showers and tstms early. A chance of showers and tstms again this afternoon. .TONIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: W 2 ft at 5 seconds and E 2 ft at 8 seconds, becoming NE 3 ft at 8 seconds and S 2 ft at 5 seconds. Showers and tstms likely in the evening, then a chance of showers with a slight chance of tstms after midnight. Some tstms may produce heavy rainfall in the evening. .MON...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 5 seconds. A slight chance of tstms in the morning. A slight chance of showers. .MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 7 seconds. A slight chance of showers. .TUE...NE winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft at 7 seconds. A slight chance of tstms in the morning. A slight chance of showers. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 7 seconds. A slight chance of showers. .WED...NE winds 5 kt. Seas 3 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 ft. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 kt. Seas 2 ft. Winds and seas higher in and near tstms. $$