FZUS52 KCHS 190004
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
704 PM EST Wed Dec 18 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
AMZ300-191315-
704 PM EST Wed Dec 18 2024
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will sweep across our area tonight. High pressure is
expected to prevail Thursday and Friday. A dry cold front will
move through Friday night, followed by an arctic air mass
settling over our region this weekend into early next week.
$$
AMZ330-191315-
Charleston Harbor-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...SW winds 5 kt, becoming NW late. Areas of fog.
.THU...N winds 5 to 10 kt. Areas of fog in the morning. A slight
chance of showers in the afternoon.
.THU NIGHT...NE winds 5 to 10 kt.
.FRI...NW winds 5 to 10 kt, becoming W in the afternoon.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt.
.SAT...N winds 10 to 15 kt with gusts to 20 kt.
.SAT NIGHT...N winds 10 to 15 kt.
.SUN...NE winds 10 to 15 kt.
.SUN NIGHT...NE winds 10 to 15 kt.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...NE winds 10 to 15 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 57 degrees.
$$
AMZ350-191315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...SW winds 5 to 10 kt, becoming W late. Seas 3 to 4 ft.
Wave Detail: SE 4 ft at 9 seconds. Areas of fog.
.THU...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts to
20 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: SE 4 ft at
8 seconds and E 1 foot at 12 seconds. Areas of fog in the
morning. A slight chance of showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
SE 4 ft at 8 seconds and E 1 foot at 14 seconds. A slight chance
of showers in the evening.
.FRI...NW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts to
20 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in
the afternoon. Wave Detail: E 4 ft at 8 seconds and E 1 foot at
13 seconds, becoming E 4 ft at 8 seconds and E 1 foot at
12 seconds. A slight chance of showers in the morning.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: NW 4 ft at 4 seconds and E 4 ft at 8 seconds.
.SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon. Wave Detail: N 4 ft at 4 seconds and E 2 ft at
8 seconds, becoming N 3 ft at 5 seconds and W 2 ft at 4 seconds.
.SAT NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 3 to 4 ft.
.SUN...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 15 kt. Seas 4 to 5 ft.
$$
AMZ352-191315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...SW winds 5 kt, becoming W after midnight. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 9 seconds. Areas of fog.
.THU...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds. Areas of fog in the morning. A slight chance of
showers in the afternoon.
.THU NIGHT...NE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE
4 ft at 8 seconds. A slight chance of showers in the evening.
.FRI...NW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts to
20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at
8 seconds and W 2 ft at 3 seconds.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: NW 4 ft at 4 seconds and E 3 ft at 8 seconds.
.SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon. Wave Detail: NW 4 ft at 4 seconds and E 2 ft at
8 seconds, becoming N 3 ft at 4 seconds and E 2 ft at 8 seconds.
.SAT NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 3 to 4 ft.
.SUN...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
$$
AMZ354-191315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...S winds 5 kt, becoming W late this evening, then
becoming NW late. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9
seconds. Areas of fog.
.THU...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds. Areas of fog in the morning.
.THU NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 9 seconds.
.FRI...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and W
2 ft at 3 seconds.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight. Wave Detail: W 3 ft
at 3 seconds and E 3 ft at 8 seconds, becoming NW 4 ft at
4 seconds and E 3 ft at 8 seconds.
.SAT...N winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: N 4 ft at 4 seconds and E
2 ft at 8 seconds, becoming N 3 ft at 5 seconds and E 2 ft at
8 seconds.
.SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
$$
AMZ374-191315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...S winds 5 to 10 kt, becoming NW late. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 9 seconds. Areas of fog.
.THU...N winds 10 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at
10 seconds. Patchy fog in the morning. A slight chance of showers
in the afternoon.
.THU NIGHT...N winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE
5 ft at 9 seconds and E 1 foot at 14 seconds.
.FRI...NW winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 9 seconds and W 3 ft at 3 seconds.
.FRI NIGHT...NW winds 20 to 25 kt. Seas 4 to 6 ft, building to
5 to 6 ft after midnight. Wave Detail: W 5 ft at 5 seconds and E
3 ft at 8 seconds, becoming NW 5 ft at 5 seconds and E 3 ft at
8 seconds.
.SAT...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft,
subsiding to 4 to 5 ft in the afternoon. Wave Detail: NW 5 ft at
5 seconds and NE 2 ft at 8 seconds, becoming N 4 ft at 5 seconds
and NE 2 ft at 8 seconds.
.SAT NIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft, building to
4 to 5 ft after midnight.
.SUN...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft.
.MON...NE winds 15 to 20 kt. Seas 5 to 6 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. A slight
chance of showers.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
704 PM EST Wed Dec 18 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
AMZ300-191315-
704 PM EST Wed Dec 18 2024
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will sweep across our area tonight. High pressure is
expected to prevail Thursday and Friday. A dry cold front will
move through Friday night, followed by an arctic air mass
settling over our region this weekend into early next week.
$$
AMZ330-191315-
Charleston Harbor-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...SW winds 5 kt, becoming NW late. Areas of fog.
.THU...N winds 5 to 10 kt. Areas of fog in the morning. A slight
chance of showers in the afternoon.
.THU NIGHT...NE winds 5 to 10 kt.
.FRI...NW winds 5 to 10 kt, becoming W in the afternoon.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt.
.SAT...N winds 10 to 15 kt with gusts to 20 kt.
.SAT NIGHT...N winds 10 to 15 kt.
.SUN...NE winds 10 to 15 kt.
.SUN NIGHT...NE winds 10 to 15 kt.
.MON...NE winds 10 to 15 kt.
.MON NIGHT...NE winds 10 to 15 kt.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 57 degrees.
$$
AMZ350-191315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...SW winds 5 to 10 kt, becoming W late. Seas 3 to 4 ft.
Wave Detail: SE 4 ft at 9 seconds. Areas of fog.
.THU...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts to
20 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: SE 4 ft at
8 seconds and E 1 foot at 12 seconds. Areas of fog in the
morning. A slight chance of showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
SE 4 ft at 8 seconds and E 1 foot at 14 seconds. A slight chance
of showers in the evening.
.FRI...NW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts to
20 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in
the afternoon. Wave Detail: E 4 ft at 8 seconds and E 1 foot at
13 seconds, becoming E 4 ft at 8 seconds and E 1 foot at
12 seconds. A slight chance of showers in the morning.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: NW 4 ft at 4 seconds and E 4 ft at 8 seconds.
.SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon. Wave Detail: N 4 ft at 4 seconds and E 2 ft at
8 seconds, becoming N 3 ft at 5 seconds and W 2 ft at 4 seconds.
.SAT NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 3 to 4 ft.
.SUN...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 15 kt. Seas 4 to 5 ft.
$$
AMZ352-191315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...SW winds 5 kt, becoming W after midnight. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 9 seconds. Areas of fog.
.THU...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds. Areas of fog in the morning. A slight chance of
showers in the afternoon.
.THU NIGHT...NE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE
4 ft at 8 seconds. A slight chance of showers in the evening.
.FRI...NW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts to
20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at
8 seconds and W 2 ft at 3 seconds.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: NW 4 ft at 4 seconds and E 3 ft at 8 seconds.
.SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon. Wave Detail: NW 4 ft at 4 seconds and E 2 ft at
8 seconds, becoming N 3 ft at 4 seconds and E 2 ft at 8 seconds.
.SAT NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 3 to 4 ft.
.SUN...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
$$
AMZ354-191315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...S winds 5 kt, becoming W late this evening, then
becoming NW late. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9
seconds. Areas of fog.
.THU...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds. Areas of fog in the morning.
.THU NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 9 seconds.
.FRI...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and W
2 ft at 3 seconds.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight. Wave Detail: W 3 ft
at 3 seconds and E 3 ft at 8 seconds, becoming NW 4 ft at
4 seconds and E 3 ft at 8 seconds.
.SAT...N winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: N 4 ft at 4 seconds and E
2 ft at 8 seconds, becoming N 3 ft at 5 seconds and E 2 ft at
8 seconds.
.SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.
$$
AMZ374-191315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
704 PM EST Wed Dec 18 2024
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...
.TONIGHT...S winds 5 to 10 kt, becoming NW late. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 9 seconds. Areas of fog.
.THU...N winds 10 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at
10 seconds. Patchy fog in the morning. A slight chance of showers
in the afternoon.
.THU NIGHT...N winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE
5 ft at 9 seconds and E 1 foot at 14 seconds.
.FRI...NW winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 9 seconds and W 3 ft at 3 seconds.
.FRI NIGHT...NW winds 20 to 25 kt. Seas 4 to 6 ft, building to
5 to 6 ft after midnight. Wave Detail: W 5 ft at 5 seconds and E
3 ft at 8 seconds, becoming NW 5 ft at 5 seconds and E 3 ft at
8 seconds.
.SAT...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft,
subsiding to 4 to 5 ft in the afternoon. Wave Detail: NW 5 ft at
5 seconds and NE 2 ft at 8 seconds, becoming N 4 ft at 5 seconds
and NE 2 ft at 8 seconds.
.SAT NIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft, building to
4 to 5 ft after midnight.
.SUN...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft.
.MON...NE winds 15 to 20 kt. Seas 5 to 6 ft.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. A slight
chance of showers.
$$