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 1AM is: 2.3m 12s primary swell from a Southwest direction and 0.4m 9s secondary swell from a East direction, 1.7m 7s secondary swell from a Southwest direction (forecast issued at 07:00pm August 19). The wind direction is predicted to be cross-offshore.
| 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 Wed night). Winds increasing (calm on Fri morning, strong winds from the WSW by Sat morning). | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 2148 | 1999 | 1866 | 1470 | 1500 | 4231 | 6035 | 5874 | 4873 | 3937 | 3344 | 2815 | 2233 | 1978 | 1742 | 1524 | 1324 | 1102 | 644 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross | cross | off | off | off | cross-off | glassy | 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 | 1:49AM0.58m | 1:47PM0.62m | 2:53AM0.70m | 3:08PM0.75m | |||||||||||||||
 |  | | | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 14 | 14 | 13 | 13 | 16 | 17 | 15 | 14 | 14 | 13 | 13 | 13 | 15 | 17 | 16 | 14 | 14 |
Feels °C | 13 | 11 | 10 | 10 | 10 | 10 | 13 | 14 | 12 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | 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 |
| kJ | 2148 | 1999 | 1866 | 1470 | 1500 | 4231 | 6035 | 5874 | 4873 | 3937 | 3344 | 2815 | 2233 | 1978 | 1742 | 1524 | 1324 | 1102 | 644 |
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 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | WSW 11 | WSW 11 |
| kJ | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 13 | 13 | 13 | 13 | 6 | 6 | 6 | 6 | 6 | 5 | 492 | 403 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 4 | WSW 5 | SW 7 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | ESE 3 | E 3 | ENE 4 |
| kJ | 8 | 32 | 83 | 253 | 273 | — | — | — | — | — | — | — | — | — | — | — | 5 | 11 | 20 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 19 | 60 | 197 | 140 | 140 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our J-Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest