Surf Forecasts:
How big are the waves at J-Bay today (15 Sep):
- Afternoon surf: Afternoon surf (15 Sep, local time) - 5ft (1.5m), 11s period with E swell.
- Evening surf: Evening surf (15 Sep, local time) - 5ft (1.6m), 10s period with SW swell.
The current surf forecast for J-Bay at 10PM is: 1.6m 10s primary swell from a Southwest direction and 1.2m 11s secondary swell from a East direction (forecast issued at 07:00pm September 15). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | - | - |
| Afternoon (15 Sep) | 5ft (1.5m) | 11s |
| Evening (15 Sep) | 5ft (1.6m) | 10s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Wed morning. Very mild (max 18°C on Tue night, min 13°C on Wed morning). Winds increasing (calm on Tue night, fresh winds from the E by Fri morning). | |||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | |||||||||||||||||
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) | E 11 | SW 10 | SW 10 | SW 11 | SW 12 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 457 | 433 | 580 | 972 | 2308 | 1630 | 3536 | 3163 | 2940 | 1991 | 1682 | 1568 | 2036 | 1834 | 1677 | 1575 | 1319 | 1276 | 1094 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 5:46PM1.53m | 5:59AM1.37m | 6:12PM1.39m | 6:25AM1.24m | 6:38PM1.24m | ||||||||||||||
Low Tide | 11:56PM0.27m | 11:59AM0.34m | 00:22AM0.40m | 12:25PM0.48m | |||||||||||||||
 |  |  | |  |  | | |  | |  | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 6:10 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — |
mm | — | — | — | — | — | 1 | 4 | 2 | — | — | 1 | 2 | 2 | — | — | 1 | 1 | — | 2 |
Temp °C | 18 | 17 | 18 | 18 | 15 | 14 | 13 | 14 | 16 | 16 | 14 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 17 | 17 | 17 | 15 | 10 | 8 | 8 | 12 | 11 | 13 | 10 | 8 | 8 | 8 | 10 | 10 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | E 11 | SW 10 | SW 10 | SW 10 | E 10 | SW 14 | E 10 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 457 | 433 | 580 | 570 | 247 | 917 | 208 | 3163 | 2940 | 1991 | 1682 | 1568 | 2036 | 1834 | 1677 | 1575 | 1319 | 1276 | 1094 |
Swell 2 Height (m) Direction Period (s) | SW 10 | E 11 | E 10 | E 10 | S 11 | E 10 | E 10 | E 10 | E 10 | S 6 | S 7 | E 10 | ENE 10 | E 10 | E 11 | ENE 10 | ENE 10 | E 10 | E 10 |
| kJ | 302 | 387 | 311 | 252 | 2 | 204 | 250 | 168 | 165 | 143 | 159 | 131 | 170 | 141 | 108 | 180 | 180 | 76 | 75 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSW 18 | SW 17 | SW 16 | — | S 11 | — | — | — | E 10 | E 10 | — | — | — | — | — | — | — | — |
| kJ | 91 | 121 | 281 | 489 | — | 2 | — | — | — | 131 | 128 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 11 | SW 12 | SW 11 | SW 14 | — | — | — | — | SSE 7 | ESE 10 | SE 6 | SE 7 | SE 7 | ESE 6 | ESE 6 | ESE 6 |
| kJ | — | — | — | 972 | 2308 | 1630 | 3536 | — | — | — | — | 147 | 370 | 287 | 263 | 286 | 288 | 229 | 322 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 13 | 3 | 0 | 0 | 3 | 321 | 142 | 140 | 3 | 197 | 3 | 180 | 180 | 183 | 180 | 645 | 645 | 197 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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