Surf Forecasts:
How big are the waves at J-Bay today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 7ft (2.1m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 8ft (2.4m), 13s period with SW swell.
- Evening surf: Evening surf (17 Aug, local time) - 7ft (2.2m), 13s period with WSW swell.
The current surf forecast for J-Bay at 2PM is: 2.4m 13s primary swell from a Southwest direction and 1.0m 11s secondary swell from a East direction (forecast issued at 07:00am August 17). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 7ft (2.1m) | 14s |
| Afternoon (17 Aug) | 8ft (2.4m) | 13s |
| Evening (17 Aug) | 7ft (2.2m) | 13s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Wed afternoon, min 12°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the WSW by Wed afternoon). | |||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||||
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 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1307 | 1559 | 1886 | 2036 | 1915 | 1699 | 1699 | 1599 | 1648 | 1623 | 1589 | 1982 | 2235 | 2212 | 2744 | 2702 | 2451 | 2331 | 2369 | 2331 | 2412 | 2580 | 2735 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross | cross | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:29PM1.54m | 6:39AM1.33m | 6:59PM1.39m | 7:09AM1.19m | 7:31PM1.24m | ||||||||||||||||||
Low Tide | 12:11PM0.20m | 00:40AM0.32m | 12:39PM0.33m | 1:12AM0.45m | 1:09PM0.48m | ||||||||||||||||||
 |  | |  |  |  | | |  | | | | | | | | | | | | | | | |
 | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 16 | 18 | 17 | 15 | 15 | 15 | 15 | 15 | 17 | 16 | 16 | 15 | 14 | 13 | 12 | 12 | 17 | 19 | 15 | 14 | 14 |
Feels °C | 13 | 13 | 15 | 16 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 15 | 15 | 13 | 12 | 10 | 10 | 16 | 16 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 12 | E 9 | E 9 | E 9 |
| kJ | 1307 | 1559 | 1886 | 2036 | 1915 | 1699 | 1699 | 1599 | 1648 | 1623 | 1589 | 1982 | 2235 | 2212 | 2744 | 2702 | 2451 | 2331 | 2369 | 2331 | 27 | 27 | 26 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | — | — | — |
| kJ | 108 | 224 | 229 | 229 | 185 | 185 | 146 | 143 | 110 | 102 | 100 | 73 | 69 | 69 | 47 | 46 | 47 | 46 | 44 | 43 | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 7 | — | — | — | — | — | — | — | ENE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 53 | — | — | — | — | — | — | — | 184 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 12 | SW 12 | SW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2412 | 2580 | 2735 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 19 | 52 | 52 | 0 | 0 | 3 | 142 | 140 | 140 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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