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Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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590 FZUS52 KCHS 021854 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 254 PM EDT Tue Jul 2 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 AMZ300-030715- 254 PM EDT Tue Jul 2 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A weak area of low pressure will linger across Southeast Georgia through Wednesday. Through the rest of the week, a hot and humid air mass will build over the region. A weak cold front could approach the region by early next week. $$ AMZ330-030715- Charleston Harbor- 254 PM EDT Tue Jul 2 2024 .TONIGHT...NE winds 15 kt with gusts to 20 kt, diminishing to 10 to 15 kt. A slight chance of showers late this evening. A chance of showers after midnight. .WED...NE winds 10 kt. A chance of showers in the morning. .WED NIGHT...E winds 5 to 10 kt. .THU...NE winds 5 kt, becoming SE in the afternoon. .THU NIGHT...S winds 10 kt, diminishing to 5 kt after midnight. .FRI...S winds 5 to 10 kt. .FRI NIGHT...S winds 5 to 10 kt. .SAT...S winds 5 to 10 kt. A slight chance of showers and tstms. .SAT NIGHT...S winds 5 to 10 kt. A chance of showers and tstms. .SUN...S winds 5 to 10 kt. A chance of showers and tstms. .SUN NIGHT...S winds 5 to 10 kt. A chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 85 degrees. $$ AMZ350-030715- Waters from South Santee River to Edisto Beach SC out 20 NM- 254 PM EDT Tue Jul 2 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .TONIGHT...NE 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. Wave Detail: E 5 ft at 7 seconds, becoming E 4 ft at 7 seconds. A slight chance of showers this evening, then a chance of showers with a slight chance of tstms after midnight. .WED...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 17 seconds. A chance of showers with a slight chance of tstms in the morning. .WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 16 seconds. .THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 14 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SE 3 ft at 12 seconds. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-030715- Waters from Edisto Beach SC to Savannah GA out 20 NM- 254 PM EDT Tue Jul 2 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt, diminishing to 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 6 seconds and S 1 foot at 4 seconds. A chance of showers early this evening, then a chance of showers with a slight chance of tstms late this evening. .WED...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. A chance of showers and tstms. .WED NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 15 seconds. .THU...NE winds 5 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 14 seconds. A slight chance of showers and tstms in the afternoon. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SE 1 foot at 12 seconds. .FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds. .FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-030715- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 254 PM EDT Tue Jul 2 2024 .TONIGHT...E winds 10 to 15 kt with gusts to 20 kt, except NE 15 to 20 kt with gusts to 20 kt early far N areas, becoming E 5 to 10 kt throughout. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and S 1 foot at 4 seconds. A chance of showers this evening, then a chance of showers with a slight chance of tstms after midnight. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. A chance of showers and tstms. .WED NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 16 seconds. A slight chance of showers and tstms in the evening. .THU...NE winds 5 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 14 seconds. A slight chance of showers and tstms in the afternoon. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SE 1 foot at 12 seconds. A slight chance of showers and tstms in the evening. .FRI...SW winds 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and S 1 foot at 3 seconds. .FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-030715- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 254 PM EDT Tue Jul 2 2024 .TONIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 7 seconds and S 1 foot at 4 seconds. A chance of showers this evening, then a chance of showers with a slight chance of tstms after midnight. .WED...SE winds 5 kt, becoming NE in the afternoon. Seas 3 ft. Wave Detail: NE 3 ft at 7 seconds and SE 1 foot at 17 seconds. Showers and tstms likely, mainly in the morning. .WED NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas 3 ft. Wave Detail: NE 3 ft at 7 seconds and SE 1 foot at 16 seconds. .THU...NE winds 5 kt, becoming E in the afternoon. Seas 3 ft. Wave Detail: E 3 ft at 8 seconds and SE 1 foot at 14 seconds. A slight chance of showers and tstms in the afternoon. .THU NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 3 ft. Wave Detail: SE 3 ft at 8 seconds and SE 1 foot at 12 seconds. .FRI...SW winds 5 kt, becoming SE in the afternoon. Seas 3 ft. Wave Detail: SE 3 ft at 10 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas 3 ft. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. .SUN...S winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$