Sea weather in Knysna in South Africa All the beach weather in Knysna
All the essential weather information for enjoying the beach in Knysna 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 Knysna over the next 7 days?
Discover the best moment to go to the beach in Knysna in South Africa this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Knysna. 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 |
|---|---|---|---|---|
| Wednesday 14 May 2025 | 58°F to 67°F | 6.8mph | recommended | all the sea weather |
| Thursday 15 May 2025 | 56°F to 65°F | 11.2mph | recommended | all the sea weather |
| Friday 16 May 2025 | 63°F to 70°F | 11.2mph | recommended | all the sea weather |
| Saturday 17 May 2025 | 63°F to 65°F | 24.2mph | discouraged | all the sea weather |
| Sunday 18 May 2025 | 63°F to 67°F | 4.4mph | not recommended | all the sea weather |
| Monday 19 May 2025 | 63°F to 68°F | 3.1mph | recommended | all the sea weather |
| Tuesday 20 May 2025 | 56°F to 63°F | 29.8mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Knysna
Sea weather on Wednesday 14 May 2025
On Wednesday 14 May 2025, the sun will rise at 07:13 and will set at 17:36 on the beach(es) of Knysna. The outside temperature will be a high of 67°F t and a low of 58°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 7.5mph km/h (with gusts up to 14.3mph). Wave height will be up to 9.5ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | |  | | | | |
| Outside temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 18°C (64°F) | 17°C (63°F) | 16°C (62°F) | 14°C (57°F) | 18°C (64°F) |
| Perceived temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 18°C (64°F) | 17°C (63°F) | 16°C (62°F) | 14°C (57°F) | 18°C (64°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 76% | 73% | 71% | 62% | 67% | 73% | 84% | 80% |
| Barometric pressure | 1023 hPa | 1022 hPa | 1022 hPa | 1023 hPa | 1022 hPa | 1021 hPa | 1022 hPa | 1023 hPa |
| Cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Heat index | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 18°C (64°F) | 17°C (63°F) | 16°C (62°F) | 14°C (57°F) | 18°C (64°F) |
| Dew point | 12°C (54°F) | 12°C (54°F) | 11°C (53°F) | 10°C (51°F) | 11°C (52°F) | 12°C (53°F) | 11°C (53°F) | 14°C (57°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 4km/h (2mph) | 5km/h (3mph) | 4km/h (2mph) | 5km/h (3mph) | 11km/h (7mph) | 8km/h (5mph) | 11km/h (7mph) |
| Gusts | 22km/h (14mph) | 7km/h (5mph) | 10km/h (6mph) | 7km/h (4mph) | 11km/h (7mph) | 23km/h (14mph) | 16km/h (10mph) | 21km/h (13mph) |
| Direction | 65° ENE | 105° ESE | 12° NNE | 343° NNW | 157° SSE | 145° SE | 83° E | 86° E |
| Wind chill | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 18°C (64°F) | 17°C (63°F) | 16°C (62°F) | 14°C (57°F) | 18°C (64°F) |
| Waves | ||||||||
| Height | 2.9m (9.6ft) | 2.8m (9.1ft) | 2.6m (8.6ft) | 2.5m (8.2ft) | 2.4m (7.8ft) | 2.3m (7.5ft) | 2.2m (7.2ft) | 2.1m (6.9ft) |
| Direction | 216° SW | 218° SW | 219° SW | 220° SW | 221° SW | 223° SW | 223° SW | 223° SW |
| Period | 14.2 sec. | 14.0 sec. | 13.9 sec. | 13.7 sec. | 13.6 sec. | 13.6 sec. | 13.4 sec. | 13.4 sec. |
| Significant height | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Thursday 15 May 2025
On Thursday 15 May 2025, the sun will rise at 07:14 and will set at 17:35 on the beach(es) of Knysna. The outside temperature will be a high of 65°F t and a low of 56°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 12.4mph km/h (with gusts up to 20.5mph). Wave height will be up to 6.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 17°C (62°F) | 16°C (62°F) | 17°C (62°F) | 18°C (64°F) | 17°C (63°F) | 16°C (61°F) | 14°C (57°F) | 17°C (63°F) |
| Perceived temperature | 17°C (62°F) | 16°C (62°F) | 17°C (62°F) | 18°C (64°F) | 17°C (63°F) | 16°C (61°F) | 12°C (54°F) | 17°C (63°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 80% | 79% | 77% | 74% | 82% | 81% | 84% | 86% |
| Barometric pressure | 1023 hPa | 1022 hPa | 1022 hPa | 1022 hPa | 1022 hPa | 1020 hPa | 1020 hPa | 1020 hPa |
| Cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Heat index | 17°C (62°F) | 16°C (62°F) | 17°C (62°F) | 18°C (64°F) | 17°C (63°F) | 16°C (61°F) | 14°C (57°F) | 17°C (63°F) |
| Dew point | 14°C (56°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 14°C (57°F) | 13°C (55°F) | 11°C (52°F) | 15°C (59°F) |
| Wind | ||||||||
| Speed | 9km/h (6mph) | 10km/h (6mph) | 10km/h (6mph) | 11km/h (7mph) | 15km/h (10mph) | 20km/h (12mph) | 19km/h (12mph) | 18km/h (11mph) |
| Gusts | 18km/h (11mph) | 20km/h (12mph) | 19km/h (12mph) | 19km/h (12mph) | 33km/h (20mph) | 25km/h (15mph) | 22km/h (14mph) | 23km/h (14mph) |
| Direction | 78° ENE | 40° NE | 90° E | 77° ENE | 113° ESE | 109° ESE | 80° E | 84° E |
| Wind chill | 17°C (62°F) | 16°C (62°F) | 17°C (62°F) | 18°C (64°F) | 17°C (63°F) | 16°C (61°F) | 12°C (54°F) | 17°C (63°F) |
| Waves | ||||||||
| Height | 2.0m (6.6ft) | 1.9m (6.4ft) | 1.9m (6.2ft) | 1.8m (6.1ft) | 1.8m (5.9ft) | 1.8m (5.9ft) | 1.8m (5.8ft) | 1.8m (5.8ft) |
| Direction | 223° SW | 223° SW | 222° SW | 222° SW | 223° SW | 222° SW | 223° SW | 223° SW |
| Period | 13.4 sec. | 13.2 sec. | 12.8 sec. | 12.7 sec. | 12.5 sec. | 12.1 sec. | 12.0 sec. | 12.0 sec. |
| Significant height | 0.4m (1.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Friday 16 May 2025
On Friday 16 May 2025, the sun will rise at 07:15 and will set at 17:34 on the beach(es) of Knysna. The outside temperature will be a high of 70°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 11.2mph km/h (with gusts up to 22.4mph). 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 | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 18°C (64°F) |
| Perceived temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 18°C (64°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 78% | 66% | 54% | 51% | 47% | 51% | 73% |
| Barometric pressure | 1019 hPa | 1018 hPa | 1017 hPa | 1016 hPa | 1015 hPa | 1012 hPa | 1013 hPa | 1015 hPa |
| Cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 2% |
| Heat index | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 18°C (64°F) |
| Dew point | 15°C (59°F) | 14°C (57°F) | 12°C (53°F) | 10°C (50°F) | 10°C (49°F) | 8°C (47°F) | 7°C (45°F) | 13°C (56°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 12km/h (7mph) | 8km/h (5mph) | 8km/h (5mph) | 3km/h (2mph) | 6km/h (4mph) | 5km/h (3mph) | 18km/h (11mph) |
| Gusts | 36km/h (22mph) | 24km/h (15mph) | 16km/h (10mph) | 17km/h (11mph) | 5km/h (3mph) | 13km/h (8mph) | 10km/h (6mph) | 18km/h (11mph) |
| Direction | 87° E | 71° ENE | 51° NE | 20° NNE | 242° WSW | 232° SW | 13° NNE | 295° WNW |
| Wind chill | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 20°C (67°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 18°C (64°F) |
| Waves | ||||||||
| Height | 1.8m (6.0ft) | 1.9m (6.2ft) | 1.9m (6.2ft) | 1.9m (6.2ft) | 1.8m (6.0ft) | 1.8m (5.8ft) | 1.7m (5.7ft) | 1.7m (5.5ft) |
| Direction | 222° SW | 220° SW | 219° SW | 218° SW | 217° SW | 217° SW | 216° SW | 215° SW |
| Period | 12.3 sec. | 12.4 sec. | 12.2 sec. | 12.0 sec. | 11.9 sec. | 11.8 sec. | 11.8 sec. | 11.7 sec. |
| Significant height | 0.6m (2ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) |
Sea weather on Saturday 17 May 2025
On Saturday 17 May 2025, the sun will rise at 07:16 and will set at 17:34 on the beach(es) of Knysna. The outside temperature will be a high of 65°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 24.2mph km/h (with gusts up to 26.1mph). Wave height will be up to 5.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | | |  | |
| Outside temperature | 18°C (65°F) | 17°C (63°F) | 17°C (62°F) | 17°C (63°F) | 17°C (63°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) |
| Perceived temperature | 18°C (65°F) | 17°C (63°F) | 17°C (62°F) | 17°C (63°F) | 17°C (63°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 68% | 76% | 81% | 82% | 81% | 82% | 91% | 89% |
| Barometric pressure | 1015 hPa | 1015 hPa | 1016 hPa | 1018 hPa | 1018 hPa | 1017 hPa | 1018 hPa | 1019 hPa |
| Cloud cover | 8% | 8% | 8% | 8% | 10% | 56% | 100% | 88% |
| Heat index | 18°C (65°F) | 17°C (63°F) | 17°C (62°F) | 17°C (63°F) | 17°C (63°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) |
| Dew point | 12°C (54°F) | 13°C (55°F) | 14°C (56°F) | 14°C (58°F) | 14°C (58°F) | 15°C (59°F) | 16°C (61°F) | 16°C (61°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 12km/h (8mph) | 12km/h (7mph) | 10km/h (6mph) | 5km/h (3mph) | 14km/h (9mph) | 24km/h (15mph) | 39km/h (24mph) |
| Gusts | 26km/h (16mph) | 24km/h (15mph) | 20km/h (13mph) | 15km/h (10mph) | 9km/h (5mph) | 24km/h (15mph) | 42km/h (26mph) | 42km/h (26mph) |
| Direction | 275° W | 268° W | 278° W | 279° W | 262° W | 113° ESE | 91° E | 94° E |
| Wind chill | 18°C (65°F) | 17°C (63°F) | 17°C (62°F) | 17°C (63°F) | 17°C (63°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) |
| Waves | ||||||||
| Height | 1.7m (5.5ft) | 1.6m (5.4ft) | 1.6m (5.3ft) | 1.6m (5.4ft) | 1.6m (5.3ft) | 1.6m (5.3ft) | 1.6m (5.2ft) | 1.5m (5.1ft) |
| Direction | 215° SW | 214° SW | 216° SW | 213° SSW | 212° SSW | 215° SW | 213° SSW | 211° SSW |
| Period | 11.6 sec. | 11.5 sec. | 11.4 sec. | 11.5 sec. | 11.5 sec. | 11.3 sec. | 11.2 sec. | 11.1 sec. |
| Significant height | 0.4m (1.3ft) | 0.3m (1ft) | 0.6m (2ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) |
Sea weather on Sunday 18 May 2025
On Sunday 18 May 2025, the sun will rise at 07:16 and will set at 17:33 on the beach(es) of Knysna. The outside temperature will be a high of 67°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! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 29.2mph). Wave height will be up to 4.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | |  | | |
| Outside temperature | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) | 19°C (65°F) | 18°C (65°F) |
| Perceived temperature | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) | 19°C (65°F) | 18°C (65°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 91% | 91% | 84% | 76% | 76% | 78% | 76% |
| Barometric pressure | 1017 hPa | 1016 hPa | 1015 hPa | 1016 hPa | 1014 hPa | 1012 hPa | 1011 hPa | 1012 hPa |
| Cloud cover | 41% | 22% | 6% | 0% | 10% | 45% | 50% | 4% |
| Heat index | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) | 19°C (65°F) | 18°C (65°F) |
| Dew point | 16°C (61°F) | 16°C (61°F) | 16°C (60°F) | 15°C (59°F) | 14°C (57°F) | 14°C (58°F) | 15°C (58°F) | 14°C (58°F) |
| Wind | ||||||||
| Speed | 42km/h (26mph) | 35km/h (21mph) | 15km/h (10mph) | 4km/h (3mph) | 4km/h (3mph) | 8km/h (5mph) | 10km/h (6mph) | 7km/h (4mph) |
| Gusts | 47km/h (29mph) | 41km/h (26mph) | 29km/h (18mph) | 7km/h (5mph) | 8km/h (5mph) | 16km/h (10mph) | 21km/h (13mph) | 14km/h (9mph) |
| Direction | 94° E | 79° E | 55° NE | 342° NNW | 196° SSW | 137° SE | 83° E | 54° NE |
| Wind chill | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) | 19°C (65°F) | 18°C (65°F) |
| Waves | ||||||||
| Height | 1.5m (5.0ft) | 1.5m (5.1ft) | 1.5m (5.0ft) | 1.4m (4.8ft) | 1.4m (4.7ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) |
| Direction | 208° SSW | 202° SSW | 201° SSW | 197° SSW | 198° SSW | 200° SSW | 200° SSW | 198° SSW |
| Period | 11.0 sec. | 10.8 sec. | 10.8 sec. | 10.4 sec. | 10.4 sec. | 10.8 sec. | 10.5 sec. | 10.2 sec. |
| Significant height | 0.2m (0.7ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.3m (4.3ft) | 1.5m (4.9ft) | 1.2m (3.9ft) | 1.3m (4.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 14°C (58°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) |
Sea weather on Monday 19 May 2025
On Monday 19 May 2025, the sun will rise at 07:17 and will set at 17:32 on the beach(es) of Knysna. 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 12.4mph km/h (with gusts up to 19.3mph). Wave height will be up to 4.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 19°C (66°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 17°C (62°F) |
| Perceived temperature | 19°C (66°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 17°C (62°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 68% | 66% | 72% | 77% | 83% | 81% | 84% | 84% |
| Barometric pressure | 1011 hPa | 1010 hPa | 1009 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1012 hPa | 1011 hPa |
| Cloud cover | 24% | 35% | 15% | 20% | 30% | 48% | 39% | 31% |
| Heat index | 19°C (66°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 17°C (62°F) |
| Dew point | 13°C (55°F) | 13°C (55°F) | 13°C (56°F) | 14°C (56°F) | 14°C (57°F) | 14°C (57°F) | 14°C (57°F) | 14°C (57°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 10km/h (6mph) | 16km/h (10mph) | 20km/h (13mph) | 20km/h (12mph) | 15km/h (9mph) | 9km/h (6mph) | 5km/h (3mph) |
| Gusts | 15km/h (10mph) | 21km/h (13mph) | 28km/h (17mph) | 28km/h (17mph) | 31km/h (19mph) | 25km/h (15mph) | 15km/h (10mph) | 8km/h (5mph) |
| Direction | 42° NE | 33° NNE | 112° ESE | 273° W | 274° W | 257° WSW | 256° WSW | 196° SSW |
| Wind chill | 19°C (66°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 17°C (62°F) |
| Waves | ||||||||
| Height | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) |
| Direction | 196° SSW | 193° SSW | 191° S | 189° S | 191° SSW | 195° SSW | 200° SSW | 205° SSW |
| Period | 10.0 sec. | 9.7 sec. | 9.5 sec. | 9.2 sec. | 8.3 sec. | 6.8 sec. | 7.4 sec. | 8.0 sec. |
| Significant height | 1.2m (3.9ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.7m (2.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) |
Sea weather on Tuesday 20 May 2025
On Tuesday 20 May 2025, the sun will rise at 07:18 and will set at 17:32 on the beach(es) of Knysna. The outside temperature will be a high of 63°F t and a low of 56°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 34.8mph km/h (with gusts up to 37.9mph). Wave height will be up to 13.8ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | |  | | | |
| Outside temperature | 16°C (62°F) | 16°C (61°F) | 16°C (62°F) | 17°C (62°F) | 16°C (61°F) | 13°C (56°F) | 14°C (57°F) | 14°C (57°F) |
| Perceived temperature | 16°C (62°F) | 16°C (61°F) | 16°C (62°F) | 17°C (62°F) | 15°C (59°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 85% | 83% | 79% | 76% | 81% | 77% | 76% |
| Barometric pressure | 1010 hPa | 1008 hPa | 1006 hPa | 1006 hPa | 1007 hPa | 1011 hPa | 1015 hPa | 1020 hPa |
| Cloud cover | 49% | 48% | 42% | 25% | 43% | 100% | 94% | 84% |
| Heat index | 16°C (62°F) | 16°C (61°F) | 16°C (62°F) | 17°C (62°F) | 16°C (61°F) | 13°C (56°F) | 14°C (57°F) | 14°C (57°F) |
| Dew point | 14°C (57°F) | 14°C (57°F) | 14°C (56°F) | 13°C (56°F) | 12°C (53°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
| Wind | ||||||||
| Speed | 4km/h (2mph) | 5km/h (3mph) | 5km/h (3mph) | 9km/h (6mph) | 30km/h (19mph) | 56km/h (35mph) | 53km/h (33mph) | 48km/h (30mph) |
| Gusts | 7km/h (4mph) | 8km/h (5mph) | 8km/h (5mph) | 15km/h (9mph) | 39km/h (24mph) | 61km/h (38mph) | 59km/h (36mph) | 50km/h (31mph) |
| Direction | 31° NNE | 51° NE | 184° S | 307° NW | 242° WSW | 270° W | 268° W | 267° W |
| Wind chill | 16°C (62°F) | 16°C (61°F) | 16°C (62°F) | 17°C (62°F) | 15°C (59°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) |
| Waves | ||||||||
| Height | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.5m (4.9ft) | 2.0m (6.6ft) | 3.1m (10.2ft) | 4.0m (13.1ft) | 4.2m (13.8ft) | 4.2m (13.8ft) |
| Direction | 196° SSW | 183° S | 203° SSW | 216° SW | 233° SW | 222° SW | 216° SW | 210° SSW |
| Period | 7.7 sec. | 7.5 sec. | 10.3 sec. | 16.1 sec. | 14.7 sec. | 13.1 sec. | 14.5 sec. | 13.0 sec. |
| Significant height | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.6m (5.2ft) | 2.2m (7.2ft) | 2.0m (6.6ft) | 1.9m (6.2ft) | 1.4m (4.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) | 16°C (62°F) |