Surf Forecasts:
Bonza Bay surf forecast from 17 Sep 2026:
- Best quality surf: Thursday 17 Sep, 5PM (local time) - 4.5ft (1.4m), 10s period, E swell with glassy winds.
- Most powerful swell: Thursday 24 Sep, 5AM (local time) - 7ft (2.1m), 14s period, S swell with 1,884 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 5PM (local time) - 4.5ft (1.4m), 10s period with E swell.
Best Forecast Surf Conditions for Bonza Bay this week:
The surf forecast for Bonza Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 5PM. The primary swell is predicted to be 1.4m and 10s period with a secondary swell of 1.6m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Bonza Bay in the next 16 days are 2.1m 14s and forecast to arrive on Thursday (Sep 24) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Tuesday (Sep 22) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Thu 17th Sep) | 4.5ft (1.4m) 10s |
| Best Surf | 5PM (Thu 17th Sep) | 4.5ft (1.4m) 10s |
| Most Powerful | 5AM (Thu 24th Sep) | 7ft (2.1m) 14s |
Table - best surf conditions forecast for Bonza Bay over the next 16 days.
Short Range ForecastHeavy rain (total 38mm), heaviest during Thu night. Very mild (max 19°C on Sat afternoon, min 13°C on Thu afternoon). Winds increasing (calm on Thu afternoon, fresh winds from the ENE by Fri night). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Tue afternoon. Warm (max 26°C on Tue afternoon, min 18°C on Sun morning). Winds increasing (calm on Mon morning, fresh winds from the WSW by Tue night). | ||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 7 | E 10 | E 9 | ESE 8 | ESE 9 | E 9 | E 8 | E 8 | E 8 | SSW 15 | SSW 14 | SSW 13 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | SSW 10 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 254 | 377 | 407 | 657 | 708 | 741 | 625 | 460 | 472 | 413 | 431 | 217 | 217 | 245 | 223 | 405 | 575 | 318 | 157 | 193 | 1449 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | glassy | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on |
High Tide | 6:39PM1.57m | 6:57AM1.43m | 7:08PM1.41m | 7:52AM1.28m | 8:16PM1.26m | 12:06PM1.26m | 00:25AM1.29m | 1:16PM1.42m | 1:22AM1.43m | 1:48PM1.58m | 1:55AM1.57m | 2:13PM1.73m | 2:23AM1.71m | ||||||||
Low Tide | 12:29PM0.73m | 00:55AM0.79m | 1:01PM0.89m | 1:39AM0.93m | 1:59PM1.06m | 4:01AM1.04m | 6:26PM1.07m | 6:45AM0.93m | 7:25PM0.91m | 7:28AM0.78m | 7:56PM0.75m | 7:59AM0.63m | 8:22PM0.59m | ||||||||
 | |  |  |  |  | |  |  | | | | | | |  |  |  | | | | |
 | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:56 | — | — |
 | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — |
mm | 9 | 6 | 22 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 2 | 2 | 2 | — | — |
Temp °C | 14 | 13 | 17 | 17 | 18 | 18 | 18 | 19 | 18 | 19 | 21 | 21 | 23 | 23 | 22 | 25 | 26 | 22 | 18 | 19 | 18 |
Feels °C | 11 | 11 | 12 | 12 | 12 | 12 | 14 | 16 | 16 | 17 | 19 | 21 | 25 | 23 | 23 | 23 | 24 | 20 | 14 | 15 | 17 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SSE 8 | SSE 8 | SSW 12 | SSW 12 | SSW 11 | SSW 13 | SSW 13 | E 8 | E 8 | SSW 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | SSW 10 | SSW 14 |
| kJ | 228 | 280 | 291 | 142 | 186 | 97 | 139 | 127 | 354 | 266 | 431 | 217 | 217 | 182 | 223 | 405 | 575 | 318 | 157 | 193 | 1449 |
Swell 2 Height (m) Direction Period (s) | S 8 | E 10 | SSW 12 | SSE 7 | — | SSW 14 | SW 18 | — | SSW 11 | SSW 15 | — | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | S 13 | E 9 | — |
| kJ | 190 | 377 | 147 | 105 | — | 120 | 12 | — | 73 | 413 | — | 192 | 85 | 82 | 55 | 29 | 24 | 40 | 13 | 119 | — |
Swell 3 Height (m) Direction Period (s) | E 10 | SSW 13 | — | — | — | — | — | — | SSW 15 | — | — | — | — | — | S 15 | SSW 9 | SSW 13 | S 14 | S 13 | SSE 13 | — |
| kJ | 254 | 238 | — | — | — | — | — | — | 22 | — | — | — | — | — | 17 | 16 | 18 | 4 | 13 | 31 | — |
Wind waves Height (m) Direction Period (s) | — | — | E 9 | ESE 8 | ESE 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | — | E 8 | ENE 8 | ENE 8 | ENE 9 | SW 5 | SSW 7 | — | E 8 |
| kJ | — | — | 407 | 657 | 708 | 741 | 625 | 460 | 472 | 367 | 271 | 350 | — | 245 | 385 | 662 | 998 | 42 | 123 | — | 173 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 369 | 0 | 492 | 404 | 885 | 404 | 273 | 249 | 54 | 249 | 455 | 19 | 0 | 99 | 99 | 239 | 255 | 52 | 440 | 25 | 24 |
Best forecast wave conditions in Eastern Cape - Wild Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bonza Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Bonza Bay Surf forecast
The above surf forecast table for Bonza Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bonza Bay can be found by selecting the local surf guide option on the grey menu. Our Bonza Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Bonza Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Bonza Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Bonza Bay is 7 km (4 miles) from the city of East London. If you plan a holiday in Eastern Cape - Wild Coast, look for hotels and other accommodation in East London. East London has rooms for a wide range of budgets as well as car hire and transport links.
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