Surf Forecasts:
How big are the waves at J-Bay today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 7.5ft (2.3m), 12s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 7ft (2.1m), 12s period with SW swell.
The current surf forecast for J-Bay at 8AM is: 2.5m 12s primary swell from a Southwest direction and 0.2m 8s secondary swell from a East direction (forecast issued at 01:00am August 21). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 8ft (2.5m) | 12s |
| Afternoon (21 Aug) | 7.5ft (2.3m) | 12s |
| Evening (21 Aug) | 7ft (2.1m) | 12s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat morning, min 13°C on Fri morning). Winds decreasing (strong winds from the WSW on Sat afternoon, calm by Sun night). | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 | 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) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 9 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2815 | 2233 | 1978 | 1742 | 1524 | 1420 | 1102 | 644 | 662 | 748 | 814 | 1466 | 2376 | 742 | 2307 | 987 | 1404 | 1605 | 1828 | 1764 | 1781 | 1746 | 814 | 1857 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-off | glassy | on | on | cross-on | cross-on | cross | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross-on | glassy | cross-off |
High Tide | 9:08AM0.94m | 10:35PM1.00m | 12:36PM0.96m | 00:52AM1.07m | 1:40PM1.10m | |||||||||||||||||||
Low Tide | 2:53AM0.70m | 3:08PM0.75m | 5:54AM0.72m | 6:33PM0.74m | 7:28AM0.60m | 7:41PM0.62m | ||||||||||||||||||
 | |  | | | | | | | |  |  | | | |  | | | | | | | | | |
 | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 15 | 16 | 16 | 14 | 14 | 14 | 15 | 15 | 17 | 17 | 16 | 15 | 15 | 15 | 15 | 14 | 17 | 16 | 15 | 14 | 13 |
Feels °C | 12 | 12 | 12 | 14 | 13 | 13 | 11 | 13 | 14 | 14 | 11 | 10 | 9 | 9 | 12 | 13 | 13 | 14 | 13 | 16 | 14 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SSW 14 | E 8 | SW 12 | E 8 | SW 12 | E 8 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 13 |
| kJ | 2815 | 2233 | 1978 | 1742 | 1524 | 1420 | 1102 | 644 | 662 | 748 | 814 | 362 | 5 | 742 | 5 | 505 | 5 | 1605 | 1828 | 1764 | 1781 | 1746 | 676 | 1857 |
Swell 2 Height (m) Direction Period (s) | 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 | E 8 | E 8 | — | SW 15 | E 8 | SW 13 | E 8 |
| kJ | 12 | 6 | 6 | 6 | 6 | 12 | 500 | 403 | 329 | 323 | 3 | 2 | — | 5 | 5 | 5 | 5 | 1 | 5 | — | 54 | 1 | 814 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 8 | E 4 | E 8 | E 8 | — | — | — | — | — | — | — | — | E 8 | E 8 | E 8 | — |
| kJ | — | — | — | — | — | — | — | — | 5 | 7 | 5 | 5 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 3 | ENE 4 | E 4 | ENE 4 | WSW 11 | SW 11 | SW 11 | WSW 7 | SW 12 | SW 9 | SW 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 7 | 13 | 10 | 13 | 234 | 1466 | 2376 | 701 | 2307 | 987 | 1404 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 354 | 197 | 140 | 31 | 3 | 0 | 65 | 179 | 142 | 140 | 3 | 3 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 |
Best forecast wave conditions in Eastern Cape (South) | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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