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Surf Forecasts:
J-Bay surfForecast / Eastern Cape (S) / South Africa
48hr Weather and Surf, issued 1 pm Friday 05 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 3.2°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 7PM is: 1.0m 9s primary swell from a South direction and 0.7m 10s secondary swell from a West-southwest direction (forecast issued at 01:00pm December 05). An open ocean swell of 0.4m 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 (05 Dec) | 4ft (1.2m) | 10s |
| Afternoon (05 Dec) | 3.5ft (1.1m) | 10s |
| Evening (05 Dec) | 3.5ft (1.0m) | 9s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 266 | 220 | 171 | 164 | 164 | 337 | 538 | 517 | 489 | 428 | 335 | 266 | 260 | 197 | 245 | 723 | 1188 | 1415 | 1415 | 1415 | 1298 | 1276 | 1094 | 1013 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross- off | cross- off | cross | cross- off | cross | cross- on | cross- on | cross- on | glass | cross | cross- off | cross- off | cross- on | on | on | on | on | cross- on | glass | cross- off | glass |
High Tide / height (m) | 3:47PM 1.74 | 4:17AM 1.62 | 4:32PM 1.68 | 5:01AM 1.60 | 5:16PM 1.59 | 5:47AM 1.55 | ||||||||||||||||||
Low Tide / height (m) | 9:34AM 0.09 | 10:06PM 0.01 | 10:21AM 0.11 | 10:48PM 0.05 | 11:08AM 0.17 | 11:31PM 0.12 | ||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 |
| Sunset | - | - | 7:19 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:21 | - | - | - | - | - |
 | | |  |  | | |  |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 22 | 21 | 20 | 19 | 19 | 18 | 19 | 20 | 20 | 20 | 19 | 18 | 17 | 16 | 18 | 21 | 21 | 21 | 19 | 18 | 18 | 18 | 20 |
| Feels °C (?) | 20 | 19 | 18 | 20 | 19 | 19 | 18 | 17 | 18 | 17 | 18 | 19 | 17 | 16 | 15 | 17 | 17 | 15 | 16 | 18 | 19 | 20 | 19 | 21 |
- 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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