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Surf Forecasts:
J-Bay surfForecast / Eastern Cape (S) / South Africa
48hr Weather and Surf, issued 7 pm Sunday 07 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
18.5° C
(Which is 2.8°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 1AM is: 2.1m 12s primary swell from a Southwest direction and 0.7m 5s secondary swell from a East direction (forecast issued at 07:00pm December 07). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 6ft (1.9m) | 12s |
| Afternoon (08 Dec) | 6ft (1.8m) | 12s |
| Evening (08 Dec) | 6.5ft (2.0m) | 12s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1661 | 1415 | 1298 | 1276 | 1169 | 1013 | 997 | 923 | 928 | 1025 | 1180 | 1255 | 1180 | 1313 | 1488 | 1905 | 1731 | 1871 | 1794 | 1857 | 1710 | 1475 | 1304 | 1198 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | glass | off | cross- off | cross- on | cross- on | cross | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | on | on | on | on | on |
High Tide / height (m) | 5:16PM 1.59 | 5:47AM 1.55 | 6:00PM 1.46 | 6:36AM 1.47 | 6:47PM 1.32 | 7:29AM 1.38 | ||||||||||||||||||
Low Tide / height (m) | 11:31PM 0.12 | 11:56AM 0.27 | 12:14AM 0.21 | 12:47PM 0.38 | 1:00AM 0.32 | 1:44PM 0.49 | ||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - |
| Sunset | 7:21 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - |
 |  |  | | | | |  | | | | | | | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - |
| Temp. °C | 22 | 20 | 19 | 19 | 18 | 21 | 22 | 22 | 22 | 20 | 19 | 18 | 17 | 21 | 23 | 23 | 20 | 19 | 18 | 18 | 18 | 18 | 19 | 20 |
| Feels °C (?) | 17 | 19 | 20 | 20 | 18 | 21 | 21 | 21 | 21 | 20 | 19 | 18 | 17 | 18 | 19 | 19 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 13 |
- 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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