Surf Forecasts:
How big are the waves at J-Bay today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 7.5ft (2.3m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 7.5ft (2.3m), 12s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 7ft (2.1m), 12s period with SW swell.
The current surf forecast for J-Bay at 6PM is: 2.2m 12s primary swell from a Southwest direction and 0.7m 11s secondary swell from a East direction, 1.7m 7s secondary swell from a Southeast direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 7.5ft (2.3m) | 13s |
| Afternoon (17 Sep) | 7.5ft (2.3m) | 12s |
| Evening (17 Sep) | 7ft (2.1m) | 12s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sun morning, min 13°C on Sat morning). Winds decreasing (fresh winds from the E on Fri afternoon, calm by Sat night). | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1778 | 1682 | 1500 | 1189 | 1094 | 1013 | 1013 | 1013 | 997 | 913 | 636 | 866 | 1021 | 865 | 851 | 730 | 781 | 682 | 503 | 661 | 489 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | on | on | cross-on | glassy |
High Tide | 6:38PM1.24m | 6:55AM1.09m | 7:11PM1.09m | 7:50AM0.95m | 8:56PM0.95m | ||||||||||||||||
Low Tide | 12:25PM0.48m | 00:53AM0.54m | 12:56PM0.63m | 1:41AM0.68m | 2:00PM0.77m | ||||||||||||||||
 | | |  | |  |  |  | | | | | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | 14 | 13 | 17 | 19 | 19 | 19 | 18 |
Feels °C | 10 | 10 | 10 | 9 | 10 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 9 | 11 | 11 | 16 | 18 | 18 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 13 | SW 13 | SW 13 | SW 12 | E 8 | E 8 | SW 12 | E 8 | E 8 |
| kJ | 1778 | 1682 | 1500 | 1189 | 1094 | 1013 | 1013 | 1013 | 997 | 913 | 628 | 866 | 1021 | 865 | 851 | 730 | 542 | 450 | 503 | 401 | 347 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 10 | — | — | E 10 | — | — | — | SSW 14 | — | — | — | SSW 18 | SW 18 | SW 12 | SW 12 | SW 16 | SW 12 | SW 12 |
| kJ | 108 | 108 | 108 | 106 | — | — | 73 | — | — | — | 352 | — | — | — | 31 | 12 | 706 | 624 | 121 | 661 | 486 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | — | — | SSW 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 125 | — | — | 382 |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | SE 6 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 8 |
| kJ | 293 | 253 | 259 | 244 | 290 | 277 | 268 | 298 | 307 | 440 | 636 | 602 | 672 | 635 | 670 | 623 | 781 | 682 | 401 | — | 489 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 645 | 673 | 3299 | 197 | 183 | 183 | 183 | 197 | 594 | 598 | 197 | 197 | 183 | 172 | 140 | 31 | 2 | 3 | 31 | 3 | 0 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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