Surf Forecasts:
How big are the waves at J-Bay today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 4ft (1.2m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.6m), 16s period with SW swell.
- Evening surf: Evening surf (10 Sep, local time) - 7ft (2.2m), 15s period with SW swell.
The current surf forecast for J-Bay at 8PM is: 2.1m 15s primary swell from a Southwest direction and 0.6m 10s secondary swell from a East direction (forecast issued at 01:00pm September 10). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 4ft (1.2m) | 13s |
| Afternoon (10 Sep) | 5ft (1.6m) | 16s |
| Evening (10 Sep) | 7ft (2.2m) | 15s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sun morning. Warm (max 20°C on Thu afternoon, min 17°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the E by Sun morning). | |||||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | |||||||||||||||||||
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 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 15 | SW 15 | SW 17 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 481 | 1144 | 2147 | 1907 | 1812 | 1657 | 1367 | 1408 | 1204 | 1185 | 1411 | 913 | 689 | 561 | 603 | 486 | 301 | 496 | 1325 | 2512 | 2895 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on |
High Tide | 3:22PM1.77m | 3:36AM1.66m | 3:54PM1.83m | 4:07AM1.67m | 4:24PM1.83m | ||||||||||||||||
Low Tide | 9:09AM0.03m | 9:35PM0.03m | 9:41AM-0.02m | 10:07PM-0.00m | 10:10AM-0.03m | 10:36PM0.01m | |||||||||||||||
 |  | |  | | |  |  | | | | | | | |  | | | | |  | |
 | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 |
Temp °C | 20 | 20 | 18 | 18 | 18 | 17 | 17 | 17 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 19 | 19 | 19 | 18 | 18 |
Feels °C | 17 | 17 | 16 | 17 | 18 | 16 | 17 | 18 | 18 | 16 | 14 | 14 | 15 | 17 | 17 | 18 | 20 | 17 | 17 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 15 | SW 15 | SW 17 | SSW 17 |
| kJ | 479 | 1144 | 2147 | 1907 | 1812 | 1657 | 1367 | 1408 | 1204 | 1185 | 1411 | 913 | 689 | 561 | 603 | 486 | 285 | 496 | 1325 | 2512 | 2895 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SW 12 | E 10 | E 10 | SSW 4 | SSW 4 | E 9 | E 9 | E 10 | E 10 | E 10 | SSE 7 | SSE 7 | S 15 | SE 7 | SW 15 | SE 7 | WSW 11 | SE 13 | SE 13 | SE 12 |
| kJ | 481 | 407 | 90 | 67 | 18 | 18 | 39 | 38 | 78 | 49 | 48 | 99 | 117 | 4 | 111 | 107 | 91 | 270 | 7 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | SSE 9 | SSE 9 | E 9 | E 9 | S 5 | E 11 | SSE 5 | — | — | — | — | — | SE 14 | SE 14 | SW 14 | SSW 10 | SE 13 | SE 13 | — |
| kJ | 90 | 90 | 8 | 8 | 64 | 63 | 7 | 20 | 8 | — | — | — | — | — | 8 | 8 | 301 | 104 | 7 | 6 | — |
Wind waves Height (m) Direction Period (s) | W 4 | WSW 4 | WSW 4 | SW 4 | — | — | SW 4 | — | SE 5 | SE 5 | — | E 10 | E 5 | ESE 6 | E 6 | ESE 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 28 | 33 | 19 | 17 | — | — | 6 | — | 12 | 16 | — | 153 | 73 | 245 | 128 | 223 | 144 | 295 | 445 | 498 | 512 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 142 | 142 | 3 | 3 | 0 | 0 | 0 | 0 | 13 | 197 | 427 | 197 | 140 | 31 | 31 | 31 | 19 | 197 | 594 | 197 | 197 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wind Speed (km/h)
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