Surf Forecasts:
How big are the waves at J-Bay today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 10ft (3.0m), 12s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
The current surf forecast for J-Bay at 7PM is: 2.5m 12s primary swell from a Southwest direction and 0.4m 9s secondary swell from a East direction (forecast issued at 01:00pm August 19). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 10ft (3.0m) | 13s |
| Afternoon (19 Aug) | 10ft (3.0m) | 12s |
| Evening (19 Aug) | 8ft (2.5m) | 12s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Wed afternoon, min 13°C on Wed night). Winds increasing (calm on Thu night, strong winds from the WSW by Sat morning). | |||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||||
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 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2660 | 2457 | 2148 | 1999 | 1760 | 1470 | 2335 | 4378 | 6201 | 6042 | 4873 | 3937 | 3344 | 2771 | 2233 | 1978 | 1742 | 1524 | 1447 | 623 | 650 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | on | on | on | cross-on | cross-on |
High Tide | 7:31PM1.24m | 7:46AM1.06m | 8:17PM1.09m | 9:08AM0.94m | 10:35PM1.00m | ||||||||||||||||
Low Tide | 1:09PM0.48m | 1:49AM0.58m | 1:47PM0.62m | 2:53AM0.70m | 3:08PM0.75m | ||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 16 | 15 | 14 | 14 | 13 | 13 | 16 | 17 | 15 | 14 | 14 | 13 | 13 | 13 | 15 | 18 | 16 | 14 | 14 |
Feels °C | 16 | 15 | 13 | 11 | 11 | 10 | 10 | 10 | 13 | 14 | 13 | 13 | 12 | 11 | 12 | 12 | 13 | 14 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 |
| kJ | 2660 | 2457 | 2148 | 1999 | 1760 | 1470 | 2335 | 4378 | 6201 | 6042 | 4873 | 3937 | 3344 | 2771 | 2233 | 1978 | 1742 | 1524 | 1447 | 623 | 650 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | SW 12 | WSW 12 |
| kJ | 42 | 42 | 27 | 27 | 26 | 26 | 25 | 25 | 13 | 13 | 13 | 13 | 13 | 6 | 6 | 6 | 6 | 6 | — | 539 | 456 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 4 | WSW 4 | WSW 5 | SW 7 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | E 8 | E 4 | E 4 |
| kJ | — | — | 10 | 32 | 80 | 237 | 330 | — | — | — | — | — | — | — | — | — | — | — | 6 | 17 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 3 | 3 | 4 | 3 | 3 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 208 | 513 | 140 | 140 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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