
Surf Forecasts:
Fish Boma surf forecast from 4 Aug 2026:
- Best quality surf: Thursday 6 Aug, 5AM (local time) - 10ft (3.0m), 14s period, SW swell with offshore winds.
- Most powerful swell: Monday 10 Aug, 2AM (local time) - 18ft (5.5m), 12s period, S swell with 8,745 kJ wave energy.
- Next surfable swell (1★+): Tuesday 4 Aug, 5PM (local time) - 4ft (1.2m), 11s period with SW 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 Tuesday (Aug 04) at 5PM. The primary swell is predicted to be 1.2m and 11s period with a secondary swell of 1.3m and 10s. Another secondary swell of 0.4m and 3s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Fish Boma in the next 16 days are 5.5m 12s and forecast to arrive on Monday (Aug 10) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Tue 4th Aug) | 4ft (1.2m) 11s |
| Best Surf | 5AM (Thu 6th Aug) | 10ft (3.0m) 14s |
| Most Powerful | 2AM (Mon 10th Aug) | 18ft (5.5m) 12s |
Table - best surf conditions forecast for Fish Boma over the next 16 days.
The Lowdown
Alright, Rusty here, let’s talk about what’s coming up for us at Fish Boma.
The water is sitting at 62.6°F, which is right about average for this time of year. Nothing to write home about, but it’s comfortable.
We’ve got a bit of a slow start, but the second half of the week and beyond is where the action really kicks off. The first few days are a bit messy with cross-onshore winds and a lot of marginal surf, but hold on, because it cleans up nicely.
Tuesday 4th August afternoon is a sneaky little window. The swell is 3.9ft from the SW, period 11 seconds, and the wind goes glassy. That’s a rare treat – clean, smooth, and the waves will have some shape. It’s a good warm-up, but the real juice is coming.
Wednesday 5th August morning sees a bump in size to 4.3ft from the SSW, and the period jumps to 15 seconds – that’s a proper groundswell. The wind is cross-on, so it’s not perfect, but the energy is building. The combined swell energy is 1137 (moderate), and you can feel it in the water. By the afternoon, the swell is 6.6ft from the SW, period 16 seconds, and the energy is 2105 (moderate to strong). The wind is cross-on, so it’s a bit mixed, but there are waves to be had if you’re keen.
Thursday 6th August gets big. Morning has 9.8ft SW swell with a 13-second period, and the energy is 3445 (strong). But the wind is a cross-on 15 km/h (9.3 mph), making it choppy. This is expert territory – over 8.2ft, it’s only for the crew who know what they’re doing. The afternoon drops to 8.2ft with the same period, and the wind turns onshore, so it’s still heavy.
Friday 7th August is another big day. 8.2ft to 9.8ft SW swell, with periods of 14 to 15 seconds. The energy is 2677 to 3666 (strong). The wind is cross-shore or cross-on, so it’s not clean, but the power is undeniable. This is not for the faint of heart.
The weekend gets dicey. Saturday 8th August has 7.5ft to 7.9ft SW swell, but the wind is cross-on and building, making it choppy. Sunday 9th August is a write-off – heavy rain, 25-30 km/h (15.5-18.6 mph) cross-on wind, and a lumpy, messy ocean. The energy drops to 1856 (moderate) but the surf quality is poor.
Monday 10th August morning is a beast – 14.8ft from the SSE, period 11 seconds, energy 6856 (very strong). That’s a massive swell, but with a strong cross-on wind, it’s a washing machine. Not for paddle surfing – this is kite territory if anything. But then the afternoon shifts: the wind goes cross-off from the E at 15 km/h (9.3 mph), the swell drops to 9.8ft from the SE, period 10 seconds, and the energy is 4756 (strong). The comment says “excellent surf conditions for experienced surfers,” and I’m feeling it. That’s a standout session for the big-wave crew.
Tuesday 11th August is a gem. 7.5ft from the S, period 10 seconds, with a clean cross-off wind. The energy is 2035 (moderate). This is a solid, surfable day with good shape. The afternoon is similar but with a shorter period, so morning is the pick.
The best of the best, though, is Wednesday 12th August. Morning has 9.8ft from the ESE, period 10 seconds, and a clean offshore wind from the NE at 10 km/h (6.2 mph). The energy is 3287 (strong). The afternoon is even better: 9.8ft from the ESE, period 11 seconds, with a clean cross-off wind. The energy is 4304 (strong). This is a true standout. Big, clean, powerful swell with offshore wind – that’s a day to call in sick for. The break is a reef, so it handles the energy well, but the crowds might be there (it’s sometimes crowded), so get in early.
Thursday 13th August is also magic. 6.9ft from the SW, period 17 seconds – that’s a very long period groundswell. The morning is glassy with no wind, and the energy is 4696 (
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 22°C on Wed morning, min 14°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 41mm), heaviest during Sun afternoon. Very mild (max 17°C on Sat morning, min 11°C on Sun afternoon). Winds increasing (calm on Fri night, fresh winds from the S by Sun night). | ||||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | |||||||||||||||
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) | SW 12 | SW 11 | ESE 10 | SSW 15 | SW 16 | SW 14 | SW 13 | SW 13 | SW 12 | SW 14 | SW 15 | SSW 15 | SW 14 | SW 13 | SW 14 | SW 13 | SW 12 | S 12 | SSE 11 | SSW 11 | S 10 |
Wave Graph | |||||||||||||||||||||
383 | 350 | 250 | 780 | 1909 | 2263 | 3357 | 2392 | 1789 | 2630 | 3622 | 3682 | 2252 | 1783 | 3508 | 2356 | 1794 | 8745 | 5062 | 2026 | 1243 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross-on | cross-on | off | cross-on | on | cross | cross | cross-on | off | cross-on | cross-on | cross-off | cross | cross-on | cross-on | cross-on | cross-off | off |
High Tide | 7:04PM1.62m | 7:21AM1.37m | 7:51PM1.50m | 8:19AM1.23m | 9:00PM1.37m | 9:56AM1.14m | 10:48PM1.31m | 12:01PM1.18m | 00:33AM1.38m | 1:23PM1.34m | 1:42AM1.52m | 2:17PM1.54m | 2:33AM1.66m | ||||||||
Low Tide | 12:42PM0.27m | 1:23AM0.37m | 1:24PM0.39m | 2:18AM0.48m | 2:22PM0.53m | 3:41AM0.58m | 3:58PM0.63m | 5:38AM0.57m | 6:03PM0.60m | 7:09AM0.44m | 7:29PM0.46m | 8:06AM0.28m | 8:26PM0.29m | ||||||||
7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — | |
— | 5:50 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | |
mm | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | — | 6 | 16 | 16 | 4 | 3 | — |
Temp °C | 21 | 21 | 18 | 22 | 20 | 15 | 16 | 16 | 14 | 14 | 14 | 14 | 17 | 16 | 14 | 12 | 12 | 12 | 12 | 12 | 12 |
Feels °C | 19 | 19 | 17 | 20 | 18 | 14 | 14 | 14 | 13 | 14 | 12 | 14 | 15 | 13 | 12 | 6 | 6 | 5 | 6 | 7 | 9 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | SSW 15 | SW 16 | SW 14 | SW 13 | SW 13 | SW 12 | SW 14 | SW 15 | SSW 15 | SW 14 | SW 13 | SW 14 | SW 13 | E 10 | E 10 | SSW 12 | SSW 11 | S 10 |
356 | 349 | 250 | 780 | 1909 | 2263 | 3357 | 2392 | 1789 | 2630 | 3622 | 3682 | 2252 | 1783 | 3508 | 2356 | 31 | 17 | 1794 | 1853 | 1243 | |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | E 10 | E 10 | ESE 10 | E 10 | E 9 | E 10 | E 10 | E 10 | E 9 | SE 5 | ESE 9 | E 9 | E 10 | E 10 | E 10 | — | SSW 10 | ESE 10 |
383 | 350 | 220 | 240 | 196 | 154 | 88 | 64 | 67 | 47 | 44 | 28 | 9 | 29 | 28 | 33 | 31 | 31 | — | 466 | 804 | |
Swell 3 Height (m) Direction Period (s) | — | SSW 18 | SSW 15 | SW 10 | — | — | — | — | — | — | — | E 10 | E 9 | — | — | — | — | — | — | SE 13 | SE 12 |
— | 30 | 86 | 117 | — | — | — | — | — | — | — | 44 | 27 | — | — | — | — | — | — | 411 | 293 | |
Wind waves Height (m) Direction Period (s) | — | SW 3 | — | — | — | — | — | — | — | — | — | ESE 6 | — | WSW 4 | — | — | SW 12 | S 12 | SSE 11 | SE 10 | — |
— | 3 | — | — | — | — | — | — | — | — | — | 47 | — | 13 | — | — | 1794 | 8745 | 5062 | 2026 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 0 | 0 | 3 | 16 | 0 | 3 | 3 | 1 | 1 | 3 | 0 | 3 | 3 | 0 | 17 | 2337 | 2315 | 471 | 0 | 0 |
Best forecast wave conditions in Garden Route | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
Latest Updates
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.











