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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 Monday 18 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
17.9° C
(Which is 2.9°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 12PM is: 1.4m 13s primary swell from a Southwest direction and 0.8m 11s secondary swell from a South direction, 0.6m 4s secondary swell from a South-southeast direction (forecast issued at 07:00am May 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4.5ft (1.3m) | 13s |
| Afternoon (18 May) | 4.5ft (1.4m) | 13s |
| Evening (18 May) | 5ft (1.6m) | 14s |
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 morning. Warm (max 20°C on Mon afternoon, min 16°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the E by Wed afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 15 | SW 14 | SW 13 | SW 13 | SW 13 | SE 7 | SW 12 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | |
494 | 572 | 623 | 623 | 501 | 1011 | 1077 | 852 | 827 | 572 | 569 | 481 | 558 | 515 | 542 | 518 | 495 | 495 | 597 | 712 | 780 | 865 | 735 | 724 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | glassy | on | on | on | on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 4:48PM1.60m | 5:05AM1.65m | 5:35PM1.54m | 5:52AM1.52m | 6:26PM1.46m | |||||||||||||||||||
Low Tide | 10:38AM0.02m | 10:52PM0.13m | 11:22AM0.10m | 11:41PM0.23m | 12:08PM0.20m | 00:36AM0.35m | ||||||||||||||||||
 |  | | | |  | | |  | |  | | | | | | |  | |  | | | | | |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:09 |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | 5:22 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 19 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 20 | 19 | 18 | 17 | 17 |
15 | 17 | 20 | 20 | 18 | 18 | 18 | 19 | 17 | 18 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 15 | 15 | 15 | 14 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 15 | SW 14 | SW 13 | SW 13 | S 8 | SW 12 | SSE 8 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 |
 kJ | 494 | 572 | 623 | 623 | 501 | 1011 | 1077 | 852 | 827 | 222 | 537 | 296 | 473 | 431 | 374 | 320 | 241 | 273 | 230 | 154 | 149 | 96 | 94 | 94 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 11 | S 12 | SSW 16 | S 12 | S 11 | S 8 | S 8 | SW 13 | SSE 14 | SW 12 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSW 15 | SSW 14 |
| kJ | 324 | 268 | 144 | 132 | 330 | 134 | 91 | 153 | 187 | 572 | 76 | 481 | 118 | 147 | 140 | 138 | 136 | 99 | 83 | 56 | 79 | 54 | 84 | 118 |
Swell 3 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | S 12 | SE 16 | SSE 16 | S 11 | SSE 11 | SSE 15 | SSE 14 | SSE 14 | — | — | — | SSW 9 | SSW 9 | — | S 10 | SSW 9 | SSW 9 | SSW 15 | SSE 11 | SE 11 |
| kJ | 18 | 18 | 18 | 11 | 137 | 11 | 26 | 59 | 39 | 84 | 107 | 104 | — | — | — | 35 | 33 | — | 7 | 16 | 17 | 77 | 47 | 30 |
Wind waves Height (m) Direction Period (s) | WSW 3 | — | SSE 4 | S 4 | SSE 5 | SE 6 | SE 6 | E 7 | ESE 5 | ESE 6 | SE 7 | E 6 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 |
| kJ | 2 | — | 14 | 10 | 18 | 47 | 62 | 23 | 51 | 170 | 569 | 196 | 558 | 515 | 542 | 518 | 495 | 495 | 597 | 712 | 780 | 865 | 735 | 724 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 67 | 197 | 197 | 31 | 4 | 140 | 31 | 183 | 427 | 197 | 197 | 197 | 197 | 197 | 197 | 197 | 197 | 197 | 197 | 140 | 140 |
Best forecast wave conditions in Eastern Cape (South) | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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