
Surf Forecasts:
Fish Boma surf forecast from 11 Aug 2026:
- Best quality surf: Thursday 13 Aug, 8AM (local time) - 5ft (1.5m), 19s period, SSW swell with offshore winds.
- Most powerful swell: Thursday 13 Aug, 2PM (local time) - 6.5ft (2.0m), 18s period, SSW swell with 2,519 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 5AM (local time) - 3.5ft (1.1m), 22s period with SSW swell.
Best Forecast Surf Conditions for Fish Boma this week:
The surf forecast for Fish Boma over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 5AM. The primary swell is predicted to be 1.1m and 22s period with a secondary swell of 2.2m and 8s. Another secondary swell of 1.1m and 11s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Fish Boma in the next 16 days are 2.0m 18s and forecast to arrive on Thursday (Aug 13) at 2PM. Winds are predicted to be offshore at the time the swell arrives.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 12th Aug) | 3.5ft (1.1m) 22s |
| Best Surf | 8AM (Thu 13th Aug) | 5ft (1.5m) 19s |
| Most Powerful | 2PM (Thu 13th Aug) | 6.5ft (2.0m) 18s |
Table - best surf conditions forecast for Fish Boma over the next 16 days.
The Lowdown
Listen up, grab your board and listen, this is Rusty.
We have a solid run of swell coming our way at Fish Boma. It’s a reef break, exposed to the south, and it’s fairly consistent, so there’s plenty to get hyped on across this 16-day window. The water is sitting at 62°, which is just a hair cooler than average for this time of year, nothing crazy.
Tuesday the 11th is a bit of a dud. You have a 7ft SSW swell but the wind is a cross-off, not helping the shape. The wave energy is strong (1923), but the conditions are marginal. You are better off waiting.
Wednesday the 12th is a similar story. Clean conditions, but the swell drops a bit to 5ft and the energy is still high (2598), just not coming together nicely.
Thursday the 13th is where we start to see some life. The morning session is your best early bet. A clean 5ft SSW swell with a moderate offshore breeze from the NE and a period of 19 seconds. That’s a proper groundswell. The energy is pumping (3396), and while that long period means longer lulls between sets, when they come they’ll have real shape for an intermediate. It’s going to be a bit testing.
Friday the 14th is a standout. Morning is 5ft from the SW with a light offshore NNE wind. It’s clean. The energy is still strong (1506). But the real gem is the Friday afternoon. Glassy conditions, 4ft SW swell with a 15-second period. The energy (1140) is moderate, but everything else is perfect. This is a top pick for the week – clean, glassy, and manageable for intermediates.
Saturday the 15th is a bit smaller. Glassy morning with a 4ft SW swell, but the energy drops to 743. It’s good for a longboard or a fun session, but not the peak of the run.
Sunday the 16th is a write-off. Swell drops to 3ft with a cross-onshore wind. Don’t bother.
Monday the 17th is another gem. Both morning and afternoon are glassy. The afternoon is particularly nice with a 6ft SW swell, a 15-second period, and moderate energy (1688). This is excellent for experienced surfers.
Tuesday the 18th sees a jump in size to 10ft, but a fresh cross-onshore wind makes it lumpy and poor. This is only for experts if you can handle a messy, powerful wave. The energy is very strong (3165). Honestly, with that wind and setup, it looks more interesting for kite surfing than paddle surfing.
Wednesday the 19th is a return to form. A glassy morning with a 7ft SW swell and moderate energy (1094). Clean conditions make it a great call for experienced surfers.
The rest of the week into the 20th and 21st is smaller (4ft to 5ft) but clean, offering fun, mellow waves.
Now, casting forward to Monday the 24th of August: this is the long-range standout. Morning has an 8ft SW swell with a light offshore NE wind and a 15-second period. Energy is very strong (2851). This is a powerful, clean groundswell for experienced surfers only. The afternoon stays solid at 8ft with clean conditions. It’s a way off and anything can change, but this one has potential.
Wednesday the 26th finishes the run well. The afternoon shows a 7ft SW swell with a cross-off wind and clean conditions. Energy is moderate (1185). A solid end to the window.
So, to sum it up: the clear winners are Friday afternoon the 14th and Monday morning the 17th. For a long-range punt, keep an eye on Monday the 24th of August. Crowds are possible at Fish Boma, so expect company on those good days.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 25°C on Thu afternoon, min 12°C on Tue morning). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Fri afternoon, min 14°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
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) | SSW 13 | SSW 12 | SSW 23 | SSW 20 | SSW 18 | SSW 17 | SSW 19 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 15 | SW 14 |
Wave Graph | |||||||||||||||||||||
1341 | 832 | 751 | 1748 | 1877 | 1978 | 1694 | 2238 | 1330 | 954 | 777 | 598 | 518 | 458 | 376 | 249 | 412 | 639 | 891 | 1506 | 804 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | glassy | cross | glassy | cross-off | cross | cross-on | cross-on | cross-off | glassy | glassy | cross-off |
High Tide | 3:01PM1.71m | 3:16AM1.75m | 3:41PM1.84m | 3:55AM1.80m | 4:18PM1.92m | 4:31AM1.80m | 4:52PM1.93m | 5:05AM1.75m | 5:26PM1.88m | 5:37AM1.66m | 5:57PM1.78m | 6:08AM1.54m | 6:27PM1.64m | ||||||||
Low Tide | 8:51AM0.13m | 9:12PM0.15m | 9:30AM0.03m | 9:53PM0.06m | 10:05AM-0.03m | 10:31PM0.03m | 10:39AM-0.04m | 11:06PM0.05m | 11:10AM0.01m | 11:38PM0.12m | 11:40AM0.10m | 00:10AM0.22m | 12:09PM0.23m | 00:40AM0.35m | |||||||
7:11 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | |
— | 5:54 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — | — | 5:58 | — | — | 5:59 | — | |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 14 | 16 | 19 | 15 | 21 | 25 | 23 | 25 | 28 | 24 | 19 | 20 | 16 | 18 | 18 | 15 | 20 | 22 | 16 |
Feels °C | 9 | 11 | 9 | 12 | 13 | 9 | 16 | 21 | 18 | 23 | 27 | 21 | 18 | 18 | 15 | 16 | 16 | 14 | 20 | 21 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 11 | SSW 20 | SSW 18 | ESE 9 | SSW 19 | SW 17 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | SW 13 | SW 13 | E 11 | SW 14 | SW 14 | SW 13 | SW 15 | SW 14 |
1341 | 802 | 329 | 1748 | 1877 | 1101 | 1694 | 2238 | 741 | 552 | 363 | 225 | 220 | 458 | 376 | 191 | 412 | 639 | 891 | 1506 | 804 | |
Swell 2 Height (m) Direction Period (s) | — | SSW 26 | SSW 23 | SSW 11 | SSW 11 | SSW 17 | SW 16 | S 11 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | E 9 | E 8 | SW 13 | E 11 | E 10 | E 11 | E 11 | E 11 |
— | 65 | 744 | 211 | 151 | 1978 | 886 | 2 | 1330 | 954 | 777 | 598 | 518 | 177 | 143 | 249 | 184 | 206 | 184 | 182 | 141 | |
Swell 3 Height (m) Direction Period (s) | — | — | S 10 | S 9 | S 10 | SW 10 | S 10 | — | — | — | — | — | SW 4 | SSW 4 | S 11 | SW 16 | SW 4 | SW 5 | SW 16 | — | — |
— | — | 17 | 42 | 30 | 38 | 8 | — | — | — | — | — | 5 | 3 | 2 | 163 | 12 | 16 | 432 | — | — | |
Wind waves Height (m) Direction Period (s) | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | — | ESE 9 | ESE 9 | E 9 | — | — | W 4 | — | — | — | WSW 3 | — | — | — | — | SW 4 |
582 | 832 | 751 | 597 | 1319 | — | 808 | 708 | 1183 | — | — | 14 | — | — | — | 6 | — | — | — | — | 19 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 379 | 16 | 16 | 332 | 3 | 0 | 11 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 3 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Garden Route | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Fish Boma Surf forecast
The above surf forecast table for Fish Boma provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Fish Boma can be found by selecting the local surf guide option on the grey menu. Our Fish Boma 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 (Fish Boma) 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 Fish Boma 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.
Are you planning a holiday in Garden Route? If you are looking for accommodation near Fish Boma, camping, hotels and holiday cottages in Garden Route, consider staying in Knysna which is 10 km (6 miles) away. Other places in and around Garden Route where you can find information about places to rent, and car hire include Plettenberg Bay which is 39 km (24 miles) away, George, Mossel Bay and Oudtshoorn.











