Surf Forecasts:
How big are the waves at J-Bay today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 6ft (1.8m), 12s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 6ft (1.8m), 12s period with SW swell.
The current surf forecast for J-Bay at 12PM is: 1.9m 12s primary swell from a Southwest direction and 2.0m 6s secondary swell from a East-southeast direction (forecast issued at 07:00am September 18). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 6ft (1.9m) | 12s |
| Afternoon (18 Sep) | 6ft (1.8m) | 12s |
| Evening (18 Sep) | 6ft (1.8m) | 12s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sat afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the ESE on Fri morning, calm by Sat morning). | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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 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 | SSW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1013 | 1013 | 997 | 980 | 687 | 866 | 1021 | 940 | 851 | 730 | 695 | 624 | 614 | 661 | 486 | 818 | 1914 | 2202 | 1991 | 1890 | 1749 | 1521 | 1286 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | glassy | on | cross-on | glassy | off | glassy | glassy | glassy | cross-on | cross-on | on | on | glassy |
High Tide | 6:55AM1.09m | 7:11PM1.09m | 7:50AM0.95m | 8:56PM0.95m | 12:15PM0.96m | ||||||||||||||||||
Low Tide | 12:56PM0.63m | 1:41AM0.68m | 2:00PM0.77m | 4:51AM0.75m | 6:22PM0.77m | ||||||||||||||||||
 |  |  | | |  | | | | | |  | | | | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | 13 | 13 | 16 | 19 | 20 | 17 | 16 | 16 | 16 | 17 | 19 | 20 | 19 | 18 | 18 |
Feels °C | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 16 | 18 | 19 | 17 | 15 | 16 | 16 | 18 | 18 | 19 | 19 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 13 | SW 13 | SW 13 | E 8 | E 8 | E 8 | E 8 | SW 12 | SW 12 | SSW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 1013 | 1013 | 997 | 980 | 687 | 866 | 1021 | 940 | 851 | 503 | 428 | 392 | 313 | 661 | 486 | 818 | 1914 | 2202 | 1991 | 1890 | 1749 | 1521 | 1286 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | — | — | SSW 14 | — | — | — | SSW 18 | SW 12 | SW 12 | SW 12 | SW 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 98 | 73 | — | — | 352 | — | — | — | 31 | 730 | 695 | 624 | 614 | 273 | 235 | 235 | 196 | 165 | 161 | 132 | 132 | 132 | 107 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 16 | — | SSW 15 | SW 12 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 125 | 121 | — | 382 | 383 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 6 | E 6 | E 7 | E 7 | E 7 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 310 | 286 | 280 | 334 | 541 | 602 | 620 | 635 | 615 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 197 | 197 | 598 | 594 | 197 | 197 | 172 | 172 | 140 | 0 | 0 | 19 | 31 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 180 | 19 | 0 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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