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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 am Sunday 31 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
18.5° C
(Which is 2.0°C colder than average for this time of year)How big are the waves at J-Bay today (31 May):
- Morning surf: Morning surf (31 May, local time) - 6ft (1.8m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 6ft (1.9m), 12s period with SW swell.
- Evening surf: Evening surf (31 May, local time) - 6ft (1.8m), 12s period with SW swell.
The current surf forecast for J-Bay at 1PM is: 1.8m 12s primary swell from a Southwest direction and 0.9m 8s secondary swell from a East-southeast direction, 1.1m 8s secondary swell from a East direction (forecast issued at 07:00am May 31). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 6ft (1.8m) | 12s |
| Afternoon (31 May) | 6ft (1.9m) | 12s |
| Evening (31 May) | 6ft (1.8m) | 12s |
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 3mm), mostly falling on Tue night. Warm (max 29°C on Mon afternoon, min 16°C on Tue night). Winds increasing (calm on Sun afternoon, strong winds from the WSW by Tue afternoon). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 11 | SW 10 | SSW 9 | |
761 | 833 | 1042 | 1100 | 986 | 899 | 869 | 723 | 666 | 497 | 497 | 533 | 675 | 726 | 851 | 957 | 977 | 1447 | 1508 | 1745 | 1832 | 677 | 1492 | 909 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | glassy | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | |
High Tide | 3:50PM1.43m | 3:57AM1.51m | 4:22PM1.43m | 4:29AM1.48m | 4:55PM1.42m | |||||||||||||||||||
Low Tide | 9:39AM0.21m | 9:48PM0.30m | 10:11AM0.21m | 10:21PM0.31m | 10:43AM0.22m | 10:54PM0.34m | ||||||||||||||||||
 |  | | | | | | | | | | | | |  | |  |  |  | | | |  | | |
 | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | 7:16 |
 | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — | 5:17 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
Temp °C | 16 | 17 | 21 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 26 | 29 | 25 | 22 | 21 | 18 | 17 | 17 | 19 | 19 | 17 | 18 | 17 | 17 |
15 | 15 | 20 | 24 | 24 | 23 | 21 | 19 | 19 | 18 | 22 | 25 | 24 | 21 | 20 | 17 | 14 | 14 | 15 | 12 | 11 | 13 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | E 8 | E 8 | E 8 | E 8 | SW 11 | SW 10 | SSW 9 |
 kJ | 761 | 833 | 1042 | 1100 | 986 | 899 | 869 | 723 | 666 | 497 | 497 | 533 | 675 | 726 | 851 | 957 | 977 | 21 | 29 | 29 | 30 | 677 | 1492 | 909 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | S 13 | SSW 13 | E 8 | E 8 | WSW 10 |
| kJ | 56 | 66 | 89 | 81 | 74 | 62 | 62 | 61 | 40 | 44 | 44 | 46 | 36 | 38 | 28 | 30 | 31 | 11 | 6 | 3 | 35 | 20 | 21 | 396 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | — | — | — | — | — | — | ESE 8 | ESE 8 | SSW 14 | SSW 14 | SSW 14 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 14 | — | — | S 13 | — | — | E 8 |
| kJ | 15 | — | — | — | — | — | — | 32 | 32 | 116 | 160 | 178 | 26 | 21 | 21 | 21 | 12 | 4 | — | — | 14 | — | — | 21 |
Wind waves Height (m) Direction Period (s) | ESE 7 | — | E 8 | — | — | — | ENE 6 | — | — | NNW 3 | NNW 3 | NNW 3 | — | — | — | — | W 4 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 7 | — | — |
| kJ | 77 | — | 138 | — | — | — | 50 | — | — | 5 | 6 | 5 | — | — | — | — | 18 | 1447 | 1508 | 1745 | 1832 | 361 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 19 | 0 | 4 | 0 | 0 | 0 | 6 | 31 | 31 | 19 | 0 | 0 | 0 | 0 | 3 | 140 | 427 | 259 | 140 | 140 | 140 | 140 |
Best forecast wave conditions in Eastern Cape (South) | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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