Surf Forecasts:
How big are the waves at J-Bay today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 7ft (2.1m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 8ft (2.5m), 13s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
The current surf forecast for J-Bay at 7AM is: 2.2m 13s primary swell from a Southwest direction and 0.7m 10s secondary swell from a East direction (forecast issued at 01:00am August 18). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 7ft (2.1m) | 13s |
| Afternoon (18 Aug) | 8ft (2.5m) | 13s |
| Evening (18 Aug) | 10ft (3.0m) | 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 night). | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1599 | 1648 | 1623 | 1682 | 2094 | 2356 | 2530 | 2929 | 3165 | 2752 | 2618 | 2369 | 2331 | 2373 | 2454 | 1470 | 1292 | 2414 | 4058 | 5538 | 5230 | 4458 | 3701 | 3135 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross | cross-on | glassy | cross-off |
High Tide | 6:39AM1.33m | 6:59PM1.39m | 7:09AM1.19m | 7:31PM1.24m | 7:46AM1.06m | 8:17PM1.09m | ||||||||||||||||||
Low Tide | 00:40AM0.32m | 12:39PM0.33m | 1:12AM0.45m | 1:09PM0.48m | 1:49AM0.58m | 1:47PM0.62m | ||||||||||||||||||
 | |  | | | | |  | | |  | | | | | | | | | | | | | | |
 | — | 6:56 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 17 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 18 | 19 | 15 | 15 | 14 | 14 | 13 | 14 | 16 | 17 | 15 | 15 | 14 |
Feels °C | 12 | 13 | 13 | 14 | 13 | 14 | 15 | 13 | 12 | 10 | 11 | 17 | 15 | 10 | 10 | 10 | 10 | 10 | 11 | 13 | 14 | 13 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | E 9 | E 9 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 1599 | 1648 | 1623 | 1682 | 2094 | 2356 | 2530 | 2929 | 3165 | 2752 | 2618 | 2369 | 2331 | 27 | 27 | 1470 | 1292 | 2414 | 4058 | 5538 | 5230 | 4458 | 3701 | 3135 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | — | — | E 9 | E 9 | E 9 | ENE 9 | ENE 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 143 | 108 | 102 | 100 | 73 | 69 | 68 | 70 | 48 | 47 | 45 | 44 | 43 | — | — | 26 | 26 | 24 | 25 | 24 | 13 | 13 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | — | ENE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 180 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 12 | SW 12 | SW 6 | SW 7 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 2373 | 2454 | 269 | 355 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 0 | 3 | 3 | 0 | 0 | 0 | 52 | 52 | 0 | 0 | 3 | 140 | 140 | 140 | 3 | 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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