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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 1 am Thursday 04 Dec 2025 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
18.1° 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 9AM is: 1.6m 10s primary swell from a South direction and 0.9m 10s secondary swell from a Southwest direction, 0.6m 3s secondary swell from a Northeast direction (forecast issued at 01:00am December 04). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 5ft (1.6m) | 10s |
| Afternoon (04 Dec) | 4.5ft (1.4m) | 10s |
| Evening (04 Dec) | 4.5ft (1.3m) | 10s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 453 | 472 | 504 | 569 | 443 | 386 | 333 | 327 | 333 | 331 | 325 | 271 | 266 | 220 | 171 | 164 | 133 | 147 | 320 | 415 | 398 | 367 | 294 | 255 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- on | on | on | cross- on | cross- on | glass | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | off | cross- off | cross | cross | cross | cross- on | cross- on | glass |
High Tide / height (m) | 2:48AM 1.55 | 3:03PM 1.75 | 3:32AM 1.61 | 3:47PM 1.74 | 4:17AM 1.62 | 4:32PM 1.68 | ||||||||||||||||||
Low Tide / height (m) | 8:39PM 0.05 | 8:47AM 0.12 | 9:23PM 0.01 | 9:34AM 0.09 | 10:06PM 0.01 | 10:21AM 0.11 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:19 | - | - | - | - | - | - | - | 7:20 | - |
 | | |  | | | | | | |  |  |  | | | |  | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 16 | 15 | 14 | 18 | 24 | 25 | 24 | 21 | 20 | 18 | 18 | 20 | 22 | 22 | 21 | 20 | 19 | 18 | 19 | 19 | 20 | 20 | 20 | 19 |
| Feels °C (?) | 14 | 14 | 12 | 15 | 20 | 19 | 18 | 20 | 21 | 15 | 16 | 18 | 19 | 20 | 19 | 20 | 19 | 17 | 20 | 18 | 17 | 17 | 18 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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