Sea weather in Charleston in the United States (USA) All the beach weather in Charleston

All the essential weather information for enjoying the beach in Charleston in the United States (USA), for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Charleston over the next 7 days?

Discover the best moment to go to the beach in Charleston in the United States (USA) this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Charleston. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 4 December 202549°F to 56°Frecommended
Friday 5 December 202554°F to 56°Frecommended
Saturday 6 December 202552°F to 54°Frecommended
Sunday 7 December 202552°F to 59°Fdiscouraged
Monday 8 December 202541°F to 54°Fdiscouraged
Tuesday 9 December 202543°F to 52°Fdiscouraged
Wednesday 10 December 202549°F to 61°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Charleston

Sea weather on Thursday 4 December 2025

On Thursday 4 December 2025, the sun will rise at 07:07 and will set at 17:13 on the beach(es) of Charleston. The outside temperature will be a high of 56°F t and a low of 49°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 5mph km/h (with gusts up to 8.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (51°F)10°C (50°F)9°C (48°F)11°C (51°F)12°C (54°F)13°C (56°F)13°C (55°F)13°C (55°F)
Perceived temperature9°C (49°F)9°C (48°F)8°C (46°F)11°C (51°F)13°C (55°F)13°C (56°F)13°C (55°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%72%70%63%51%51%63%68%
Barometric pressure1021 hPa1021 hPa1021 hPa1023 hPa1022 hPa1021 hPa1021 hPa1021 hPa
Cloud cover17%6%3%11%50%46%74%50%
Heat index10°C (51°F)10°C (50°F)9°C (48°F)11°C (51°F)12°C (54°F)13°C (56°F)13°C (55°F)13°C (55°F)
Dew point5°C (41°F)5°C (41°F)4°C (39°F)4°C (39°F)2°C (36°F)3°C (38°F)6°C (42°F)7°C (45°F)
Wind
Speed8km/h (5mph)8km/h (5mph)8km/h (5mph)4km/h (3mph)3km/h (2mph)5km/h (3mph)5km/h (3mph)5km/h (3mph)
Gusts13km/h (8mph)13km/h (8mph)14km/h (9mph)6km/h (4mph)4km/h (3mph)8km/h (5mph)9km/h (5mph)7km/h (5mph)
Direction 31°
NNE
14°
NNE
10°
N

N
323°
NW
208°
SSW
200°
SSW
161°
SSE
Wind chill9°C (49°F)9°C (48°F)8°C (46°F)11°C (51°F)13°C (55°F)13°C (56°F)13°C (55°F)13°C (55°F)
Waves
Height0.4m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.8ft)0.5m (1.7ft)
Direction 124°
SE
125°
SE
125°
SE
124°
SE
124°
ESE
123°
ESE
123°
ESE
122°
ESE
Period7.8 sec.7.7 sec.10.8 sec.10.5 sec.10.3 sec.10.2 sec.10.1 sec.10.2 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 07:08 and will set at 17:13 on the beach(es) of Charleston. The outside temperature will be a high of 56°F t and a low of 54°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 9.9mph km/h (with gusts up to 14.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)12°C (53°F)12°C (53°F)12°C (54°F)
Perceived temperature13°C (56°F)13°C (55°F)12°C (54°F)11°C (53°F)12°C (53°F)10°C (50°F)11°C (51°F)12°C (53°F)
Precipitation0in0in0in0in0in0.1in0.1in0in
Humidity72%83%87%93%93%96%95%93%
Barometric pressure1021 hPa1019 hPa1019 hPa1019 hPa1016 hPa1015 hPa1016 hPa1016 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)12°C (53°F)12°C (53°F)12°C (54°F)
Dew point8°C (46°F)10°C (50°F)11°C (52°F)12°C (53°F)11°C (53°F)11°C (52°F)11°C (52°F)11°C (52°F)
Wind
Speed4km/h (2mph)6km/h (4mph)12km/h (7mph)13km/h (8mph)8km/h (5mph)16km/h (10mph)10km/h (6mph)6km/h (4mph)
Gusts5km/h (3mph)9km/h (6mph)17km/h (10mph)18km/h (11mph)12km/h (7mph)24km/h (15mph)16km/h (10mph)9km/h (5mph)
Direction 265°
W
110°
ESE
360°
N
30°
NNE
29°
NNE
337°
NNW
338°
NNW
15°
NNE
Wind chill13°C (56°F)13°C (55°F)12°C (54°F)11°C (53°F)12°C (53°F)10°C (50°F)11°C (51°F)12°C (53°F)
Waves
Height0.5m (1.7ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.8ft)0.6m (1.8ft)0.5m (1.8ft)
Direction 122°
ESE
122°
ESE
122°
ESE
122°
ESE
121°
ESE
121°
ESE
121°
ESE
121°
ESE
Period10.2 sec.10.2 sec.10.1 sec.10.0 sec.9.9 sec.9.8 sec.9.8 sec.9.7 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.3m (1ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 07:09 and will set at 17:13 on the beach(es) of Charleston. The outside temperature will be a high of 54°F t and a low of 52°F. Precipitation is in the forecast (0.3in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 10.6mph km/h (with gusts up to 15.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (53°F)12°C (53°F)11°C (52°F)11°C (52°F)11°C (53°F)12°C (53°F)12°C (53°F)11°C (52°F)
Perceived temperature11°C (51°F)11°C (52°F)11°C (51°F)11°C (52°F)11°C (52°F)11°C (51°F)10°C (49°F)11°C (52°F)
Precipitation0in0in0in0in0.1in0in0in0.1in
Humidity94%93%94%93%95%94%91%91%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1017 hPa1014 hPa1016 hPa1017 hPa
Cloud cover100%98%100%100%100%100%100%82%
Heat index12°C (53°F)12°C (53°F)11°C (52°F)11°C (52°F)11°C (53°F)12°C (53°F)12°C (53°F)11°C (52°F)
Dew point11°C (52°F)10°C (51°F)10°C (50°F)10°C (50°F)11°C (51°F)11°C (51°F)10°C (50°F)10°C (50°F)
Wind
Speed12km/h (8mph)5km/h (3mph)6km/h (4mph)3km/h (2mph)6km/h (4mph)8km/h (5mph)17km/h (11mph)5km/h (3mph)
Gusts17km/h (10mph)8km/h (5mph)9km/h (5mph)4km/h (3mph)9km/h (6mph)12km/h (8mph)25km/h (16mph)7km/h (5mph)
Direction 333°
NNW
343°
NNW
358°
N
341°
NNW
281°
W
325°
NW
316°
NW
300°
WNW
Wind chill11°C (51°F)11°C (52°F)11°C (51°F)11°C (52°F)11°C (52°F)11°C (51°F)10°C (49°F)11°C (52°F)
Waves
Height0.6m (1.9ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.6ft)
Direction 121°
ESE
121°
ESE
121°
ESE
121°
ESE
121°
ESE
121°
ESE
122°
ESE
122°
ESE
Period9.7 sec.9.7 sec.9.7 sec.9.7 sec.9.6 sec.9.6 sec.9.5 sec.9.5 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:10 and will set at 17:13 on the beach(es) of Charleston. The outside temperature will be a high of 59°F t and a low of 52°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 18.6mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (52°F)11°C (53°F)12°C (54°F)14°C (58°F)15°C (59°F)15°C (59°F)12°C (53°F)
Perceived temperature11°C (52°F)11°C (52°F)10°C (51°F)11°C (52°F)13°C (56°F)14°C (58°F)15°C (59°F)10°C (49°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity91%91%90%86%85%93%98%94%
Barometric pressure1017 hPa1017 hPa1017 hPa1018 hPa1015 hPa1013 hPa1012 hPa1013 hPa
Cloud cover78%100%100%100%100%100%100%98%
Heat index11°C (52°F)11°C (52°F)11°C (53°F)12°C (54°F)14°C (58°F)15°C (59°F)15°C (59°F)12°C (53°F)
Dew point10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)12°C (53°F)14°C (57°F)15°C (58°F)11°C (52°F)
Wind
Speed1km/h (1mph)6km/h (4mph)10km/h (6mph)14km/h (9mph)15km/h (9mph)12km/h (7mph)8km/h (5mph)21km/h (13mph)
Gusts2km/h (1mph)9km/h (6mph)14km/h (9mph)19km/h (12mph)21km/h (13mph)18km/h (11mph)13km/h (8mph)30km/h (19mph)
Direction 330°
NNW
358°
N
45°
NE
64°
ENE
92°
E
103°
ESE
263°
W
328°
NNW
Wind chill11°C (52°F)11°C (52°F)10°C (51°F)11°C (52°F)13°C (56°F)14°C (58°F)15°C (59°F)10°C (49°F)
Waves
Height0.5m (1.5ft)0.4m (1.4ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (1.9ft)
Direction 122°
ESE
121°
ESE
120°
ESE
121°
ESE
120°
ESE
121°
ESE
121°
ESE
122°
ESE
Period9.4 sec.9.3 sec.9.3 sec.9.2 sec.9.2 sec.4.9 sec.7.3 sec.3.5 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)0.8m (2.6ft)0.4m (1.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:10 and will set at 17:14 on the beach(es) of Charleston. The outside temperature will be a high of 54°F t and a low of 41°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.3mph km/h (with gusts up to 20.5mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (53°F)11°C (51°F)10°C (49°F)10°C (49°F)11°C (51°F)9°C (48°F)6°C (42°F)9°C (47°F)
Perceived temperature9°C (49°F)8°C (47°F)7°C (45°F)7°C (44°F)8°C (47°F)6°C (43°F)2°C (35°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%91%90%83%62%48%51%58%
Barometric pressure1013 hPa1014 hPa1015 hPa1019 hPa1020 hPa1020 hPa1022 hPa1024 hPa
Cloud cover79%36%22%3%10%0%0%3%
Heat index12°C (53°F)11°C (51°F)10°C (49°F)10°C (49°F)11°C (51°F)9°C (48°F)6°C (42°F)9°C (47°F)
Dew point10°C (51°F)9°C (49°F)8°C (46°F)7°C (44°F)4°C (39°F)-1°C (29°F)-3°C (26°F)1°C (33°F)
Wind
Speed19km/h (12mph)19km/h (12mph)17km/h (10mph)23km/h (14mph)22km/h (14mph)21km/h (13mph)23km/h (14mph)23km/h (14mph)
Gusts27km/h (17mph)27km/h (17mph)24km/h (15mph)29km/h (18mph)31km/h (19mph)25km/h (16mph)28km/h (17mph)33km/h (21mph)
Direction 315°
NW
318°
NW
337°
NNW
11°
NNE

N
18°
NNE
26°
NNE
49°
NE
Wind chill9°C (49°F)8°C (47°F)7°C (45°F)7°C (44°F)8°C (47°F)6°C (43°F)2°C (35°F)5°C (41°F)
Waves
Height0.7m (2.3ft)0.8m (2.5ft)0.8m (2.6ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (2.9ft)1.0m (3.3ft)1.0m (3.4ft)
Direction 122°
ESE
123°
ESE
100°
E
104°
ESE
85°
E
83°
E
85°
E
93°
E
Period7.3 sec.9.1 sec.9.1 sec.7.7 sec.7.9 sec.8.1 sec.8.9 sec.6.2 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:11 and will set at 17:14 on the beach(es) of Charleston. The outside temperature will be a high of 52°F t and a low of 43°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.8mph km/h (with gusts up to 23mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)7°C (45°F)6°C (43°F)7°C (45°F)9°C (48°F)10°C (50°F)10°C (50°F)10°C (50°F)
Perceived temperature5°C (42°F)4°C (39°F)2°C (36°F)4°C (39°F)6°C (42°F)7°C (45°F)8°C (46°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%69%77%78%79%80%85%90%
Barometric pressure1024 hPa1024 hPa1024 hPa1025 hPa1023 hPa1020 hPa1019 hPa1018 hPa
Cloud cover37%55%70%81%89%87%92%71%
Heat index9°C (48°F)7°C (45°F)6°C (43°F)7°C (45°F)9°C (48°F)10°C (50°F)10°C (50°F)10°C (50°F)
Dew point2°C (36°F)2°C (36°F)3°C (37°F)4°C (39°F)5°C (42°F)7°C (44°F)8°C (46°F)8°C (47°F)
Wind
Speed24km/h (15mph)22km/h (13mph)27km/h (17mph)24km/h (15mph)23km/h (14mph)24km/h (15mph)21km/h (13mph)19km/h (12mph)
Gusts34km/h (21mph)31km/h (19mph)37km/h (23mph)32km/h (20mph)30km/h (19mph)33km/h (21mph)32km/h (20mph)30km/h (18mph)
Direction 62°
ENE
28°
NNE
34°
NE
41°
NE
30°
NNE
25°
NNE
24°
NNE
247°
WSW
Wind chill5°C (42°F)4°C (39°F)2°C (36°F)4°C (39°F)6°C (42°F)7°C (45°F)8°C (46°F)7°C (45°F)
Waves
Height1.1m (3.5ft)1.0m (3.3ft)0.9m (3.0ft)0.8m (2.6ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 99°
E
106°
ESE
108°
ESE
105°
ESE
103°
ESE
104°
ESE
105°
ESE
107°
ESE
Period5.6 sec.5.4 sec.7.2 sec.8.0 sec.7.7 sec.7.6 sec.7.4 sec.7.2 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:12 and will set at 17:14 on the beach(es) of Charleston. The outside temperature will be a high of 61°F t and a low of 49°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.7mph km/h (with gusts up to 23mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (48°F)9°C (48°F)11°C (51°F)12°C (54°F)12°C (54°F)14°C (56°F)15°C (60°F)
Perceived temperature7°C (44°F)7°C (44°F)7°C (45°F)10°C (50°F)11°C (51°F)10°C (50°F)12°C (53°F)15°C (59°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%92%91%80%72%74%84%87%
Barometric pressure1016 hPa1015 hPa1015 hPa1015 hPa1012 hPa1010 hPa1010 hPa1008 hPa
Cloud cover50%29%16%4%0%0%36%61%
Heat index9°C (48°F)9°C (48°F)9°C (48°F)11°C (51°F)12°C (54°F)12°C (54°F)14°C (56°F)15°C (60°F)
Dew point8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)7°C (45°F)8°C (46°F)11°C (51°F)13°C (56°F)
Wind
Speed15km/h (10mph)13km/h (8mph)9km/h (6mph)7km/h (4mph)13km/h (8mph)19km/h (12mph)21km/h (13mph)22km/h (14mph)
Gusts25km/h (15mph)23km/h (14mph)17km/h (10mph)11km/h (7mph)25km/h (15mph)25km/h (15mph)31km/h (19mph)37km/h (23mph)
Direction 341°
NNW
339°
NNW
331°
NNW
287°
WNW
225°
SW
211°
SSW
216°
SW
213°
SSW
Wind chill7°C (44°F)7°C (44°F)7°C (45°F)10°C (50°F)11°C (51°F)10°C (50°F)12°C (53°F)15°C (59°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 105°
ESE
104°
ESE
106°
ESE
110°
ESE
118°
ESE
117°
ESE
117°
ESE
119°
ESE
Period6.6 sec.6.1 sec.5.7 sec.5.5 sec.5.5 sec.5.2 sec.6.1 sec.6.1 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units