Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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905 FZUS52 KCHS 221945 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 245 PM EST Wed Jan 22 2025 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 AMZ300-230815- 245 PM EST Wed Jan 22 2025 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Cold and dry conditions will prevail through the rest of the week and into the weekend. A weak system would move through the area early next week. $$ AMZ330-230815- Charleston Harbor- 245 PM EST Wed Jan 22 2025 .TONIGHT...N winds 10 kt. .THU...N winds 10 kt. .THU NIGHT...NW winds 5 to 10 kt. .FRI...NW winds 5 to 10 kt. .FRI NIGHT...NW winds 5 kt. .SAT...NE winds 5 kt. .SAT NIGHT...N winds 5 kt. .SUN...NW winds 5 kt. .SUN NIGHT...NW winds 5 kt. .MON...W winds 5 kt. A chance of showers. .MON NIGHT...W winds 5 kt. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 47 degrees. $$ AMZ350-230815- Waters from South Santee River to Edisto Beach SC out 20 NM- 245 PM EST Wed Jan 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .TONIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 10 seconds. .THU...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds. .THU NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. .FRI...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds. .FRI NIGHT...NW winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and NW 2 ft at 3 seconds. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds and W 1 foot at 3 seconds. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 ft. .SUN...NW winds 5 to 10 kt. Seas 2 ft. .SUN NIGHT...NW winds 5 kt. Seas 2 ft. A slight chance of showers. .MON...W winds 5 to 10 kt. Seas 2 ft. A chance of showers. .MON NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. $$ AMZ352-230815- Waters from Edisto Beach SC to Savannah GA out 20 NM- 245 PM EST Wed Jan 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... .TONIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: E 5 ft at 9 seconds, becoming E 4 ft at 9 seconds. .THU...N winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: E 4 ft at 9 seconds, becoming E 3 ft at 9 seconds. .THU NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and NW 2 ft at 3 seconds. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and NW 2 ft at 3 seconds. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and NW 2 ft at 3 seconds. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 ft. .SUN...N winds 5 to 10 kt. Seas 2 ft. .SUN NIGHT...NW winds 5 kt. Seas 2 ft. .MON...NW winds 5 to 10 kt. Seas 2 ft. A chance of showers. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 ft. $$ AMZ354-230815- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 245 PM EST Wed Jan 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST THURSDAY... .TONIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: NE 5 ft at 9 seconds, becoming E 4 ft at 10 seconds. .THU...N winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds. .THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and NW 2 ft at 3 seconds. .SAT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and N 2 ft at 3 seconds. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 ft. .SUN...N winds 5 to 10 kt. Seas 2 ft. .SUN NIGHT...N winds 5 kt. Seas 2 ft. .MON...NW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers. .MON NIGHT...NW winds 5 to 10 kt. Seas 2 ft. $$ AMZ374-230815- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 245 PM EST Wed Jan 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .TONIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: NE 8 ft at 10 seconds, becoming NE 7 ft at 10 seconds. .THU...N winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: NE 6 ft at 10 seconds. A slight chance of showers. .THU NIGHT...N winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 10 seconds and NW 3 ft at 4 seconds. .FRI...NW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: NE 4 ft at 9 seconds, becoming NE 5 ft at 8 seconds and NW 2 ft at 3 seconds. .FRI NIGHT...NW winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 4 seconds and E 4 ft at 8 seconds. .SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: NW 3 ft at 4 seconds and E 3 ft at 8 seconds, becoming E 3 ft at 8 seconds and NW 2 ft at 4 seconds. .SAT NIGHT...N winds 10 kt. Seas 2 to 3 ft. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .MON...NW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers. .MON NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. $$