Surf Forecasts:
How big are the waves at J-Bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 11ft (3.5m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 13ft (4.0m), 14s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 11ft (3.5m), 13s period with SW swell.
The current surf forecast for J-Bay at 5PM is: 3.5m 13s primary swell from a Southwest direction and 0.3m 9s secondary swell from a East direction (forecast issued at 01:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 11ft (3.5m) | 14s |
| Afternoon (20 Aug) | 13ft (4.0m) | 14s |
| Evening (20 Aug) | 11ft (3.5m) | 13s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Thu afternoon, min 13°C on Thu night). Winds increasing (calm on Thu night, strong winds from the WSW by Sat morning). | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SW 11 | SSW 13 | SSW 12 | WSW 8 | SW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6035 | 5874 | 4873 | 3937 | 3344 | 2815 | 2233 | 1978 | 1742 | 1524 | 1420 | 1102 | 644 | 662 | 748 | 814 | 1567 | 848 | 822 | 696 | 881 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | off | off | glassy | glassy | cross-on | cross-on | on | cross-on | cross-on | cross | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:17PM1.09m | 9:08AM0.94m | 10:35PM1.00m | 12:36PM0.96m | |||||||||||||||||
Low Tide | 1:47PM0.62m | 2:53AM0.70m | 3:08PM0.75m | 5:54AM0.72m | 6:33PM0.74m | ||||||||||||||||
 | | |  | | | | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 15 | 14 | 14 | 13 | 13 | 13 | 15 | 16 | 16 | 14 | 13 | 13 | 14 | 14 | 17 | 17 | 16 | 15 | 15 |
Feels °C | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 13 | 12 | 11 | 11 | 12 | 12 | 10 | 10 | 10 | 10 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SSW 14 | SSW 13 | SSW 12 | SW 12 | SW 12 |
| kJ | 6035 | 5874 | 4873 | 3937 | 3344 | 2815 | 2233 | 1978 | 1742 | 1524 | 1420 | 1102 | 644 | 662 | 748 | 814 | 362 | 848 | 822 | 646 | 455 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | ESE 4 | E 4 | E 8 | E 8 | E 8 | E 8 |
| kJ | 24 | 13 | 13 | 13 | 13 | 12 | 6 | 6 | 6 | 6 | 5 | 500 | 403 | 329 | 323 | 6 | 2 | 5 | 5 | 4 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | E 8 | E 4 | E 8 | E 8 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 8 | 5 | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | E 3 | ENE 4 | E 4 | — | WSW 11 | SW 11 | WSW 7 | WSW 7 | WSW 8 | SW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 11 | 21 | 11 | — | 234 | 1567 | 651 | 674 | 696 | 881 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 19 | 513 | 513 | 140 | 31 | 31 | 0 | 3 | 179 | 142 | 140 | 3 | 3 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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