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J-Bay Surf Forecast
/ Eastern Cape (S) (37 surf breaks) /
Surf Forecasts:
J-Bay surfForecast / Eastern Cape (S) / South Africa
48hr Weather and Surf, issued 7 pm Tuesday 12 May 2026 SASTForecast update in hr min s Forecast update imminent
J-Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's J-Bay sea temperature is
18.0° C
(Which is 3.0°C colder than average for this time of year)How big are the waves at J-Bay today?
The current surf forecast for J-Bay at 2AM is: 6.0m 12s primary swell from a Southwest direction (forecast issued at 07:00pm May 12). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 23ft (7.0m) | 13s |
| Afternoon (13 May) | 21ft (6.5m) | 13s |
| Evening (13 May) | 18ft (5.5m) | 13s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 18°C on Fri morning, min 13°C on Wed night). Winds decreasing (near gales from the W on Wed morning, light winds from the WNW by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | |
8398 | 8601 | 9393 | 11445 | 13912 | 15819 | 16718 | 16361 | 12641 | 9506 | 7603 | 5849 | 4699 | 4001 | 3552 | 3102 | 2692 | 2039 | 1919 | 2725 | 3197 | 3989 | 4683 | 4824 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | |
High Tide | 00:47AM1.47m | 1:15PM1.34m | 1:31AM1.60m | 1:59PM1.45m | 2:12AM1.71m | |||||||||||||||||||
Low Tide | 6:22PM0.40m | 7:10AM0.30m | 7:10PM0.30m | 7:53AM0.16m | 7:55PM0.19m | 8:34AM0.05m | ||||||||||||||||||
 |  |  |  | |  |  | | | |  | | | | | | |  | | | | | | | |
 | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — |
 | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | 5:27 |
4 | 1 | — | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 16 | 17 | 15 | 14 | 14 | 14 | 14 | 15 | 18 | 18 |
12 | 10 | 8 | 9 | 7 | 5 | 6 | 6 | 9 | 10 | 10 | 11 | 10 | 11 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 12 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | SSE 11 | SSE 11 | S 10 | SSE 9 | — | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
 kJ | — | — | — | — | 43 | 39 | 50 | 29 | — | 9506 | 7603 | 5849 | 4699 | 4001 | 3552 | 3102 | 2692 | 2039 | 1919 | 2725 | 3197 | 3989 | 4683 | 4824 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | SSW 14 | SSW 14 | S 15 | WSW 12 | WSW 12 | WSW 11 | SW 11 | SW 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | 218 | 346 | 522 | 710 | 625 | 230 | 31 | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | — | SW 18 | SSW 18 | — | SW 16 | SW 16 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | — | 12 | 31 | — | 41 | 66 | — |
Wind waves Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8398 | 8601 | 9393 | 11445 | 13912 | 15819 | 16718 | 16361 | 12641 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 509 | 509 | 427 | 427 | 326 | 326 | 595 | 594 | 259 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
Best forecast wave conditions in Eastern Cape (South) | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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