Surf Forecasts:
How big are the waves at J-Bay today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6ft (1.8m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 5ft (1.6m), 12s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 4.5ft (1.4m), 12s period with SW swell.
The current surf forecast for J-Bay at 7PM is: 1.5m 12s primary swell from a Southwest direction and 0.5m 15s secondary swell from a South-southwest direction, 0.8m 8s secondary swell from a East-southeast direction (forecast issued at 01:00pm September 21). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6ft (1.8m) | 12s |
| Afternoon (21 Sep) | 5ft (1.6m) | 12s |
| Evening (21 Sep) | 4.5ft (1.4m) | 12s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Tue night. Warm (max 28°C on Tue afternoon, min 16°C on Mon night). Winds decreasing (fresh winds from the WSW on Wed morning, calm by Wed night). | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||
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 12 | SW 12 | SW 11 | SW 11 | SW 13 | E 7 | E 8 | E 8 | E 8 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 785 | 772 | 635 | 514 | 514 | 448 | 337 | 278 | 217 | 286 | 439 | 501 | 435 | 368 | 343 | 302 | 273 | 230 | 224 | 194 | 191 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 1:12PM1.11m | 1:16AM1.16m | 1:43PM1.27m | 1:48AM1.30m | 2:09PM1.43m | ||||||||||||||||
Low Tide | 7:18PM0.62m | 7:28AM0.48m | 7:49PM0.47m | 7:55AM0.34m | 8:16PM0.32m | ||||||||||||||||
 |  | |  | | | |  | | | |  |  | | | |  |  | | |  | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | 1 | 1 | 1 | — | — |
Temp °C | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 18 | 24 | 28 | 25 | 23 | 23 | 23 | 23 | 23 | 20 | 23 | 19 | 18 | 18 |
Feels °C | 19 | 18 | 16 | 15 | 14 | 15 | 15 | 17 | 24 | 28 | 24 | 22 | 23 | 23 | 22 | 23 | 17 | 21 | 18 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 13 | SW 13 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 785 | 772 | 635 | 514 | 514 | 448 | 337 | 278 | 217 | 286 | 369 | 501 | 435 | 368 | 343 | 302 | 266 | 230 | 196 | 165 | 133 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 10 | S 7 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
| kJ | 65 | 65 | 94 | 146 | 191 | 188 | 211 | 206 | 191 | 80 | 17 | 357 | 338 | 344 | 298 | 298 | 273 | 228 | 224 | 194 | 191 |
Swell 3 Height (m) Direction Period (s) | SE 5 | SSW 16 | SSW 15 | — | — | — | — | — | WSW 11 | WSW 11 | WSW 11 | S 7 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 10 | S 10 | S 10 |
| kJ | 5 | 51 | 93 | — | — | — | — | — | 66 | 66 | 40 | 17 | 61 | 57 | 87 | 84 | 79 | 72 | 32 | 30 | 30 |
Wind waves Height (m) Direction Period (s) | — | SE 4 | ESE 8 | ESE 8 | E 8 | E 4 | E 5 | E 5 | E 5 | E 6 | E 7 | ENE 8 | — | — | — | — | WSW 3 | WSW 4 | W 4 | WSW 4 | SW 4 |
| kJ | — | 7 | 90 | 112 | 133 | 46 | 63 | 87 | 112 | 197 | 439 | 699 | — | — | — | — | 3 | 29 | 12 | 10 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 354 | 299 | 31 | 197 | 140 | 140 | 140 | 172 | 140 | 141 | 19 | 0 | 0 | 0 | 0 | 140 | 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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