399 FZUS52 KCHS 121801 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 101 PM EST Mon Feb 12 2018 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 AMZ300-130615- 101 PM EST Mon Feb 12 2018 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A cold front will approach today, then move south through the area tonight, as a wedge of high pressure builds in from the north. High pressure will then prevail until another cold front crosses late this week. High pressure will return next weekend. $$ AMZ330-130615- Charleston Harbor- 101 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... .THIS AFTERNOON...SW winds 5 kt. A slight chance of showers. .TONIGHT...N winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts to 25 kt after midnight. Waves 1 to 2 ft. A slight chance of showers. .TUE...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Waves 1 to 2 ft. A chance of showers. .TUE NIGHT...N winds 10 to 15 kt. A chance of showers in the evening. .WED...N winds 5 to 10 kt, becoming E in the afternoon. .WED NIGHT...SE winds 5 kt, becoming SW after midnight. .THU...SW winds 5 to 10 kt. .THU NIGHT...SW winds 10 kt. .FRI...SW winds 10 kt. .FRI NIGHT...NW winds 5 to 10 kt. A chance of showers. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 56 degrees. $$ AMZ350-130615- Waters from South Santee River to Edisto Beach SC out 20 NM- 101 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING THROUGH TUESDAY EVENING... .THIS AFTERNOON...W winds 5 kt. Seas 4 to 5 ft. A chance of showers. Patchy fog. .TONIGHT...N winds 15 to 20 kt, becoming NE 20 to 25 kt after midnight. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. A slight chance of showers. .TUE...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 7 ft, subsiding to 4 to 6 ft in the afternoon. A chance of showers. .TUE NIGHT...NE winds 15 to 20 kt with gusts to 25 kt, becoming N 10 to 15 kt after midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight. A chance of showers in the evening. .WED...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. .WED NIGHT...SE winds 5 kt, becoming SW after midnight. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...SW winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. $$ AMZ352-130615- Waters from Edisto Beach SC to Savannah GA out 20 NM- 101 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST TUESDAY THROUGH TUESDAY EVENING... .THIS AFTERNOON...SW winds 5 kt. Seas 3 to 4 ft. A chance of showers. Patchy fog. .TONIGHT...N winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts to 25 kt after midnight. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. Patchy fog in the evening. A slight chance of showers. .TUE...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. A chance of showers. .TUE NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight. A slight chance of showers in the evening. .WED...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SE winds 5 kt, becoming SW after midnight. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. $$ AMZ354-130615- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 101 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... .THIS AFTERNOON...S winds 5 kt, becoming E late. Seas 3 to 4 ft. A chance of showers. Patchy fog. .TONIGHT...NE winds 5 kt, increasing to 15 to 20 kt with gusts to 25 kt after midnight. Seas 3 to 4 ft. Patchy fog in the evening. A slight chance of showers. .TUE...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight. A slight chance of showers in the evening. .WED...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 3 to 4 ft. .THU...SW winds 5 to 10 kt. Seas 3 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. .FRI...SW winds 10 kt. Seas 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers. $$ AMZ374-130615- Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM- 101 PM EST Mon Feb 12 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... .THIS AFTERNOON...W winds 5 to 10 kt, becoming NE late. Seas 4 to 5 ft. A chance of showers. .TONIGHT...NE winds 5 to 10 kt, increasing to 15 to 20 kt with gusts to 25 kt after midnight. Seas 4 to 5 ft, building to 4 to 6 ft after midnight. A slight chance of showers in the evening, then a chance of showers after midnight. .TUE...NE winds 20 to 25 kt. Seas 6 to 8 ft. A chance of showers. .TUE NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 6 to 8 ft, subsiding to 5 to 7 ft after midnight. A chance of showers in the evening. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft, subsiding to 4 to 6 ft in the afternoon. .WED NIGHT...E winds 5 to 10 kt, becoming SW after midnight. Seas 4 to 5 ft. .THU...SW winds 5 to 10 kt. Seas 4 to 5 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...SW winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of showers. $$