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 3AM is: 1.6m 14s primary swell from a Southwest direction and 1.0m 8s secondary swell from a East direction (forecast issued at 07:00pm August 16). The wind direction is predicted to be offshore and the swell rating is 4.
| 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). | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||
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 | WSW 12 | WSW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 718 | 795 | 795 | 821 | 1307 | 1559 | 1886 | 2036 | 1915 | 1699 | 1575 | 1599 | 1648 | 1502 | 1589 | 1982 | 2235 | 2248 | 2744 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | glassy | glassy | cross-off | cross | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | glassy | cross |
High Tide | 5:59PM1.67m | 6:09AM1.45m | 6:29PM1.54m | 6:39AM1.33m | 6:59PM1.39m | ||||||||||||||
Low Tide | 00:10AM0.20m | 12:11PM0.20m | 00:40AM0.32m | 12:39PM0.33m | |||||||||||||||
 |  | | |  |  | | | | | | | | | |  | | | | |
 | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | 5:50 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 14 | 14 | 14 | 14 | 17 | 18 | 17 | 16 | 15 | 15 | 14 | 14 | 17 | 16 | 16 | 15 | 14 |
Feels °C | 15 | 14 | 13 | 13 | 13 | 13 | 16 | 16 | 15 | 15 | 13 | 13 | 12 | 12 | 15 | 14 | 15 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 12 | WSW 12 | WSW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 718 | 795 | 795 | 821 | 1307 | 1559 | 1886 | 2036 | 1915 | 1699 | 1575 | 1599 | 1648 | 1502 | 1589 | 1982 | 2235 | 2248 | 2744 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | 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 |
| kJ | 89 | 119 | 141 | 119 | 108 | 224 | 229 | 229 | 185 | 185 | 146 | 143 | 108 | 102 | 100 | 73 | 71 | 68 | 68 |
Swell 3 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | WSW 12 | E 7 | E 11 | — | — | — | — | — | — | ENE 10 | — | — | — | — | — | — |
| kJ | 56 | 39 | 79 | 203 | 53 | 149 | — | — | — | — | — | — | 180 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 16 | 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 52 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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