Sea weather in Arniston in South Africa All the beach weather in Arniston
All the essential weather information for enjoying the beach in Arniston in South Africa, 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 Arniston over the next 7 days?
Discover the best moment to go to the beach in Arniston in South Africa this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Arniston. You can see full forecasts by clicking on the day you want to see in the table below.
| Date | Outside temp. | Max wind | Our opinion | Details |
|---|---|---|---|---|
| Friday 5 December 2025 | 67°F to 68°F | 13.1mph | discouraged | all the sea weather |
| Saturday 6 December 2025 | 63°F to 68°F | 10.6mph | discouraged | all the sea weather |
| Sunday 7 December 2025 | 63°F to 68°F | 9.3mph | discouraged | all the sea weather |
| Monday 8 December 2025 | 65°F to 70°F | 5mph | recommended | all the sea weather |
| Tuesday 9 December 2025 | 68°F to 70°F | 14.9mph | discouraged | all the sea weather |
| Wednesday 10 December 2025 | 67°F to 68°F | 24.9mph | discouraged | all the sea weather |
| Thursday 11 December 2025 | 68°F to 70°F | 15.5mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Arniston
Sea weather on Friday 5 December 2025
On Friday 5 December 2025, the sun will rise at 05:18 and will set at 19:42 on the beach(es) of Arniston. The outside temperature will be a high of 68°F t and a low of 67°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 14.9mph km/h (with gusts up to 21.8mph). Wave height will be up to 6.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  | |  | | | |
| Outside temperature | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) | 20°C (67°F) | 19°C (67°F) | 20°C (67°F) |
| Perceived temperature | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) | 20°C (67°F) | 19°C (67°F) | 20°C (67°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 69% | 70% | 70% | 70% | 80% | 73% | 69% | 66% |
| Barometric pressure | 1017 hPa | 1015 hPa | 1015 hPa | 1016 hPa | 1016 hPa | 1016 hPa | 1016 hPa | 1018 hPa |
| Cloud cover | 9% | 18% | 2% | 27% | 88% | 100% | 48% | 71% |
| Heat index | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) | 20°C (67°F) | 19°C (67°F) | 20°C (67°F) |
| Dew point | 14°C (58°F) | 14°C (57°F) | 14°C (57°F) | 14°C (57°F) | 16°C (61°F) | 15°C (58°F) | 13°C (56°F) | 13°C (55°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 12km/h (7mph) | 10km/h (6mph) | 8km/h (5mph) | 21km/h (13mph) | 24km/h (15mph) | 22km/h (14mph) | 21km/h (13mph) |
| Gusts | 18km/h (11mph) | 16km/h (10mph) | 14km/h (8mph) | 11km/h (7mph) | 29km/h (18mph) | 35km/h (21mph) | 33km/h (21mph) | 29km/h (18mph) |
| Direction | 180° S | 188° S | 202° SSW | 216° SW | 193° SSW | 174° S | 166° SSE | 160° SSE |
| Wind chill | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) | 20°C (67°F) | 19°C (67°F) | 20°C (67°F) |
| Waves | ||||||||
| Height | 1.5m (5.1ft) | 1.4m (4.8ft) | 1.4m (4.5ft) | 1.3m (4.4ft) | 1.3m (4.2ft) | 1.5m (4.8ft) | 1.8m (5.8ft) | 1.9m (6.2ft) |
| Direction | 205° SSW | 200° SSW | 196° SSW | 196° SSW | 194° SSW | 198° SSW | 204° SSW | 210° SSW |
| Period | 9.3 sec. | 9.1 sec. | 9.3 sec. | 9.7 sec. | 9.5 sec. | 9.2 sec. | 9.6 sec. | 9.5 sec. |
| Significant height | 0.8m (2.6ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) |
Sea weather on Saturday 6 December 2025
On Saturday 6 December 2025, the sun will rise at 05:18 and will set at 19:42 on the beach(es) of Arniston. The outside temperature will be a high of 68°F t and a low of 63°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 20.5mph). Wave height will be up to 6.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | |  | | |  | | | |
| Outside temperature | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 17°C (63°F) | 19°C (67°F) | 19°C (66°F) | 19°C (67°F) |
| Perceived temperature | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 17°C (63°F) | 19°C (67°F) | 19°C (66°F) | 19°C (67°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 64% | 63% | 63% | 64% | 62% | 62% | 63% | 65% |
| Barometric pressure | 1018 hPa | 1018 hPa | 1018 hPa | 1019 hPa | 1019 hPa | 1018 hPa | 1018 hPa | 1020 hPa |
| Cloud cover | 83% | 81% | 75% | 72% | 0% | 43% | 43% | 64% |
| Heat index | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 17°C (63°F) | 19°C (67°F) | 19°C (66°F) | 19°C (67°F) |
| Dew point | 12°C (54°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 10°C (50°F) | 12°C (53°F) | 12°C (53°F) | 13°C (55°F) |
| Wind | ||||||||
| Speed | 19km/h (12mph) | 16km/h (10mph) | 15km/h (9mph) | 12km/h (8mph) | 13km/h (8mph) | 18km/h (11mph) | 22km/h (14mph) | 17km/h (10mph) |
| Gusts | 25km/h (16mph) | 22km/h (14mph) | 20km/h (13mph) | 17km/h (10mph) | 26km/h (16mph) | 27km/h (17mph) | 33km/h (21mph) | 23km/h (14mph) |
| Direction | 159° SSE | 164° SSE | 165° SSE | 167° SSE | 173° S | 167° SSE | 158° SSE | 133° SE |
| Wind chill | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 17°C (63°F) | 19°C (67°F) | 19°C (66°F) | 19°C (67°F) |
| Waves | ||||||||
| Height | 1.9m (6.2ft) | 1.8m (6.0ft) | 1.8m (5.8ft) | 1.7m (5.5ft) | 1.6m (5.4ft) | 1.6m (5.4ft) | 1.7m (5.5ft) | 1.8m (5.8ft) |
| Direction | 210° SSW | 212° SSW | 212° SSW | 210° SSW | 210° SSW | 207° SSW | 201° SSW | 226° SW |
| Period | 9.2 sec. | 9.1 sec. | 9.0 sec. | 8.8 sec. | 8.5 sec. | 8.3 sec. | 8.3 sec. | 8.8 sec. |
| Significant height | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.2m (3.9ft) | 1.4m (4.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) |
Sea weather on Sunday 7 December 2025
On Sunday 7 December 2025, the sun will rise at 05:18 and will set at 19:43 on the beach(es) of Arniston. The outside temperature will be a high of 68°F t and a low of 63°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 14.9mph km/h (with gusts up to 23mph). Wave height will be up to 7.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 20°C (68°F) |
| Perceived temperature | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 20°C (68°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 63% | 60% | 64% | 67% | 68% | 67% | 66% | 64% |
| Barometric pressure | 1019 hPa | 1018 hPa | 1017 hPa | 1017 hPa | 1015 hPa | 1014 hPa | 1014 hPa | 1016 hPa |
| Cloud cover | 74% | 43% | 4% | 9% | 0% | 0% | 0% | 16% |
| Heat index | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 20°C (68°F) |
| Dew point | 12°C (54°F) | 12°C (53°F) | 12°C (54°F) | 13°C (56°F) | 11°C (53°F) | 11°C (52°F) | 10°C (50°F) | 13°C (56°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 16km/h (10mph) | 17km/h (10mph) | 19km/h (12mph) | 19km/h (12mph) | 21km/h (13mph) | 24km/h (15mph) | 15km/h (10mph) |
| Gusts | 22km/h (14mph) | 22km/h (14mph) | 22km/h (14mph) | 25km/h (16mph) | 37km/h (23mph) | 22km/h (14mph) | 26km/h (16mph) | 22km/h (14mph) |
| Direction | 111° ESE | 86° E | 75° ENE | 76° ENE | 107° ESE | 135° SE | 132° SE | 114° ESE |
| Wind chill | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 20°C (68°F) |
| Waves | ||||||||
| Height | 1.9m (6.3ft) | 2.1m (6.8ft) | 2.2m (7.1ft) | 2.2m (7.2ft) | 2.2m (7.1ft) | 2.1m (7.0ft) | 2.1m (6.8ft) | 2.0m (6.5ft) |
| Direction | 225° SW | 224° SW | 224° SW | 224° SW | 225° SW | 225° SW | 226° SW | 226° SW |
| Period | 12.7 sec. | 12.4 sec. | 12.1 sec. | 12.0 sec. | 11.9 sec. | 11.9 sec. | 11.8 sec. | 11.7 sec. |
| Significant height | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) |
Sea weather on Monday 8 December 2025
On Monday 8 December 2025, the sun will rise at 05:18 and will set at 19:44 on the beach(es) of Arniston. The outside temperature will be a high of 70°F t and a low of 65°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 9.3mph km/h (with gusts up to 16.8mph). Wave height will be up to 6.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 19°C (66°F) | 19°C (67°F) | 20°C (69°F) |
| Perceived temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 19°C (66°F) | 19°C (67°F) | 20°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 66% | 67% | 68% | 68% | 68% | 66% | 65% | 70% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1015 hPa | 1015 hPa | 1015 hPa | 1014 hPa | 1014 hPa | 1016 hPa |
| Cloud cover | 34% | 10% | 9% | 5% | 2% | 3% | 8% | 9% |
| Heat index | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 19°C (66°F) | 19°C (67°F) | 20°C (69°F) |
| Dew point | 14°C (56°F) | 14°C (57°F) | 14°C (57°F) | 14°C (57°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) | 15°C (59°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 10km/h (6mph) | 8km/h (5mph) | 6km/h (4mph) | 13km/h (8mph) | 15km/h (9mph) | 15km/h (9mph) | 8km/h (5mph) |
| Gusts | 21km/h (13mph) | 14km/h (9mph) | 10km/h (7mph) | 8km/h (5mph) | 25km/h (15mph) | 27km/h (17mph) | 25km/h (16mph) | 12km/h (7mph) |
| Direction | 83° E | 106° ESE | 114° ESE | 77° ENE | 188° S | 182° S | 182° S | 190° S |
| Wind chill | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 19°C (66°F) | 19°C (67°F) | 20°C (69°F) |
| Waves | ||||||||
| Height | 1.9m (6.1ft) | 1.8m (5.8ft) | 1.7m (5.6ft) | 1.7m (5.5ft) | 1.7m (5.7ft) | 1.9m (6.2ft) | 2.0m (6.7ft) | 2.1m (6.9ft) |
| Direction | 227° SW | 227° SW | 227° SW | 226° SW | 224° SW | 223° SW | 223° SW | 223° SW |
| Period | 11.7 sec. | 11.7 sec. | 11.8 sec. | 11.8 sec. | 11.7 sec. | 11.6 sec. | 11.6 sec. | 11.5 sec. |
| Significant height | 0.3m (1ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) |
Sea weather on Tuesday 9 December 2025
On Tuesday 9 December 2025, the sun will rise at 05:18 and will set at 19:45 on the beach(es) of Arniston. The outside temperature will be a high of 70°F t and a low of 68°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 17.4mph km/h (with gusts up to 26.1mph). Wave height will be up to 8.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | |  | |
| Outside temperature | 20°C (69°F) | 20°C (68°F) | 20°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (68°F) |
| Perceived temperature | 20°C (69°F) | 20°C (68°F) | 20°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (68°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 71% | 73% | 75% | 77% | 83% | 77% | 76% | 75% |
| Barometric pressure | 1016 hPa | 1015 hPa | 1015 hPa | 1016 hPa | 1017 hPa | 1017 hPa | 1018 hPa | 1019 hPa |
| Cloud cover | 54% | 83% | 56% | 8% | 52% | 48% | 41% | 63% |
| Heat index | 20°C (69°F) | 20°C (68°F) | 20°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (68°F) |
| Dew point | 15°C (59°F) | 15°C (59°F) | 16°C (60°F) | 16°C (62°F) | 18°C (64°F) | 17°C (62°F) | 16°C (61°F) | 16°C (60°F) |
| Wind | ||||||||
| Speed | 1km/h (0mph) | 7km/h (4mph) | 9km/h (6mph) | 18km/h (11mph) | 25km/h (16mph) | 28km/h (18mph) | 28km/h (17mph) | 24km/h (15mph) |
| Gusts | 1km/h (1mph) | 10km/h (6mph) | 14km/h (9mph) | 25km/h (15mph) | 37km/h (23mph) | 42km/h (26mph) | 42km/h (26mph) | 33km/h (21mph) |
| Direction | 314° NW | 318° NW | 300° WNW | 270° W | 223° SW | 206° SSW | 191° S | 168° SSE |
| Wind chill | 20°C (69°F) | 20°C (68°F) | 20°C (69°F) | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (68°F) |
| Waves | ||||||||
| Height | 2.1m (6.9ft) | 2.1m (7.0ft) | 2.1m (6.9ft) | 2.1m (6.7ft) | 2.1m (6.7ft) | 2.1m (6.9ft) | 2.3m (7.5ft) | 2.5m (8.2ft) |
| Direction | 224° SW | 225° SW | 227° SW | 228° SW | 229° SW | 229° SW | 227° SW | 224° SW |
| Period | 11.3 sec. | 11.5 sec. | 11.3 sec. | 11.2 sec. | 12.8 sec. | 14.4 sec. | 10.6 sec. | 10.3 sec. |
| Significant height | 0.1m (0.3ft) | 0.4m (1.3ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) |
Sea weather on Wednesday 10 December 2025
On Wednesday 10 December 2025, the sun will rise at 05:18 and will set at 19:46 on the beach(es) of Arniston. The outside temperature will be a high of 68°F t and a low of 67°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 24.9mph km/h (with gusts up to 34.8mph). Wave height will be up to 8.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 19°C (67°F) |
| Perceived temperature | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 19°C (67°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 73% | 77% | 78% | 76% | 74% | 74% | 75% |
| Barometric pressure | 1020 hPa | 1019 hPa | 1019 hPa | 1019 hPa | 1019 hPa | 1017 hPa | 1017 hPa | 1017 hPa |
| Cloud cover | 58% | 59% | 73% | 81% | 94% | 87% | 85% | 95% |
| Heat index | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 19°C (67°F) |
| Dew point | 15°C (59°F) | 15°C (59°F) | 15°C (60°F) | 16°C (60°F) | 15°C (60°F) | 15°C (58°F) | 15°C (58°F) | 15°C (59°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 23km/h (15mph) | 29km/h (18mph) | 31km/h (19mph) | 33km/h (21mph) | 35km/h (22mph) | 40km/h (25mph) | 40km/h (25mph) |
| Gusts | 28km/h (18mph) | 32km/h (20mph) | 39km/h (24mph) | 42km/h (26mph) | 46km/h (29mph) | 50km/h (31mph) | 56km/h (35mph) | 55km/h (34mph) |
| Direction | 150° SSE | 137° SE | 118° ESE | 94° E | 95° E | 104° ESE | 104° ESE | 90° E |
| Wind chill | 20°C (68°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 19°C (67°F) |
| Waves | ||||||||
| Height | 2.5m (8.2ft) | 2.5m (8.2ft) | 2.5m (8.2ft) | 2.5m (8.2ft) | 2.5m (8.2ft) | 2.5m (8.2ft) | 2.5m (8.2ft) | 2.5m (8.2ft) |
| Direction | 222° SW | 224° SW | 224° SW | 219° SW | 213° SSW | 213° SSW | 216° SW | 221° SW |
| Period | 10.1 sec. | 10.4 sec. | 10.6 sec. | 11.2 sec. | 11.9 sec. | 11.8 sec. | 11.3 sec. | 10.6 sec. |
| Significant height | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) |
Sea weather on Thursday 11 December 2025
On Thursday 11 December 2025, the sun will rise at 05:18 and will set at 19:46 on the beach(es) of Arniston. The outside temperature will be a high of 70°F t and a low of 68°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 36mph). Wave height will be up to 7.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 20°C (67°F) | 20°C (68°F) | 21°C (69°F) |
| Perceived temperature | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 20°C (67°F) | 20°C (68°F) | 21°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 76% | 75% | 77% | 78% | 81% | 83% | 86% | 87% |
| Barometric pressure | 1016 hPa | 1014 hPa | 1013 hPa | 1012 hPa | 1010 hPa | 1008 hPa | 1006 hPa | 1007 hPa |
| Cloud cover | 95% | 98% | 97% | 92% | 63% | 16% | 13% | 24% |
| Heat index | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 20°C (67°F) | 20°C (68°F) | 21°C (69°F) |
| Dew point | 15°C (59°F) | 15°C (60°F) | 16°C (60°F) | 16°C (61°F) | 17°C (62°F) | 17°C (62°F) | 18°C (64°F) | 18°C (65°F) |
| Wind | ||||||||
| Speed | 37km/h (23mph) | 36km/h (22mph) | 39km/h (24mph) | 42km/h (26mph) | 41km/h (25mph) | 37km/h (23mph) | 33km/h (21mph) | 25km/h (16mph) |
| Gusts | 50km/h (31mph) | 47km/h (29mph) | 53km/h (33mph) | 58km/h (36mph) | 52km/h (32mph) | 39km/h (24mph) | 41km/h (26mph) | 35km/h (22mph) |
| Direction | 78° ENE | 83° E | 93° E | 89° E | 87° E | 95° E | 90° E | 79° ENE |
| Wind chill | 20°C (67°F) | 20°C (67°F) | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 20°C (67°F) | 20°C (68°F) | 21°C (69°F) |
| Waves | ||||||||
| Height | 2.4m (7.9ft) | 2.4m (7.9ft) | 2.3m (7.5ft) | 2.2m (7.2ft) | 2.1m (6.9ft) | 1.9m (6.2ft) | 1.8m (5.9ft) | 1.7m (5.6ft) |
| Direction | 221° SW | 221° SW | 222° SW | 223° SW | 219° SW | 210° SSW | 209° SSW | 208° SSW |
| Period | 10.3 sec. | 10.1 sec. | 10.0 sec. | 10.0 sec. | 10.1 sec. | 10.1 sec. | 10.1 sec. | 9.9 sec. |
| Significant height | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) |