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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 pm 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 5PM is: 1.8m 12s primary swell from a Southwest direction and 0.9m 7s secondary swell from a East-southeast direction (forecast issued at 01:00pm May 31). The wind direction is predicted to be onshore.
| 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 5mm), mostly falling on Tue night. Warm (max 29°C on Mon afternoon, min 16°C on Wed morning). Winds increasing (calm on Sun afternoon, fresh winds from the WSW by Tue afternoon). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 11 | SSW 10 | SSW 9 | SW 9 | SSW 14 | |
1042 | 1100 | 986 | 970 | 869 | 723 | 666 | 497 | 497 | 533 | 675 | 726 | 794 | 882 | 1177 | 1471 | 1624 | 1714 | 1521 | 677 | 1126 | 909 | 526 | 612 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | |
High Tide | 3:50PM1.43m | 3:57AM1.51m | 4:22PM1.43m | 4:29AM1.48m | 4:55PM1.42m | 5:01AM1.44m | ||||||||||||||||||
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 | — |
 | — | — | 5:19 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | 5:17 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | |
Temp °C | 21 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 26 | 29 | 26 | 22 | 21 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 |
20 | 23 | 22 | 22 | 20 | 20 | 19 | 19 | 22 | 25 | 24 | 21 | 20 | 15 | 14 | 14 | 14 | 12 | 14 | 14 | 15 | 14 | 13 | 11 | |
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 11 | SW 11 | SW 11 | SW 11 | E 8 | E 8 | E 8 | E 8 | E 8 | SW 11 | SSW 10 | SSW 9 | SW 9 | SW 10 |
 kJ | 1042 | 1100 | 986 | 970 | 869 | 723 | 666 | 497 | 497 | 533 | 675 | 726 | 794 | 882 | 20 | 21 | 29 | 30 | 31 | 677 | 1045 | 909 | 526 | 415 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 7 | SSW 14 | E 7 | E 7 | E 8 | E 7 | ESE 8 | ESE 8 | ESE 8 | S 13 | SSW 13 | E 8 | WSW 10 | WSW 10 | S 10 | SSW 14 |
| kJ | 89 | 81 | 76 | 62 | 62 | 43 | 33 | 66 | 48 | 178 | 36 | 34 | 28 | 17 | 12 | 11 | 6 | 3 | 34 | 20 | 483 | 396 | 460 | 612 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 6 | ESE 8 | SSW 14 | SSW 14 | E 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SSW 12 | S 14 | — | — | S 13 | — | E 8 | E 8 | WSW 10 | WSW 10 |
| kJ | — | — | — | — | — | 20 | 32 | 116 | 160 | 35 | 26 | 21 | 21 | 22 | 29 | 4 | — | — | 14 | — | 21 | 21 | 191 | 147 |
Wind waves Height (m) Direction Period (s) | E 8 | — | — | — | E 6 | — | — | NNW 3 | NNW 3 | NNW 3 | — | — | — | — | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 7 | SSW 9 | — | — | S 9 |
| kJ | 114 | — | — | — | 36 | — | — | 3 | 6 | 4 | — | — | — | — | 1177 | 1471 | 1624 | 1714 | 1521 | 292 | 1126 | — | — | 517 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 0 | 19 | 0 | 0 | 0 | 0 | 31 | 31 | 19 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 142 | 142 | 3 | 140 | 4 | 180 | 197 |
Best forecast wave conditions in Eastern Cape (South) | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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