Surf Forecasts:
Fish Boma surf forecast from 1 Sep 2026:
- Best quality surf: Wednesday 2 Sep, 2AM (local time) - 10ft (3.0m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Sunday 6 Sep, 5PM (local time) - 11ft (3.5m), 19s period, SSW swell with 8,369 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 8PM (local time) - 10ft (3.0m), 13s 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 (Sep 01) at 8PM. The primary swell is predicted to be 3.0m and 13s period with a secondary swell of 0.3m and 10s. 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 3.5m 19s and forecast to arrive on Sunday (Sep 06) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Sunday (Sep 06) at 2PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Tue 1st Sep) | 10ft (3.0m) 13s |
| Best Surf | 2AM (Wed 2nd Sep) | 10ft (3.0m) 14s |
| Most Powerful | 5PM (Sun 6th Sep) | 11ft (3.5m) 19s |
Table - best surf conditions forecast for Fish Boma over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get into it.
We’ve got one spot to focus on for the next couple of weeks, and it’s a bit of a mixed bag – a proper reef break that needs the right combo to really fire. The water is a chilly 58.3°F at the start, which is a solid 4.7°F colder than usual for this time of year, so you’ll be wanting a good thick wetsuit.
The first few days are a write-off, honestly. Tuesday the 1st through to Friday the 4th are plagued by onshore and cross-shore winds, sloppy conditions, and the scores are just poor. The swell is there, but it’s all wind-chop and messy. On Thursday afternoon, the wind is honking out of the SSE at 28 mph with 13.1ft of slop – that’s a kite-surfing situation, not a paddle one. You’d be crazy to go out.
Saturday the 5th is a bit of a lull with smaller 4.3ft swell, but it’s still cross-shore and lumpy. Nothing to write home about.
Now, Sunday the 6th is where things get interesting. The morning has a clean, cross-off breeze and a legit 7.5ft SSW groundswell with a very long period of 18 seconds. The combined energy is massive at 4620. That’s proper, powerful, straightening lines. On a reef, that long period is your friend. The afternoon gets bigger, 11.5ft, but the wind swings cross-shore and lumpy again, so the morning is the window.
The standout, the one you really want to mark in your calendar, is Monday the 7th. Morning session. A light cross-off breeze from the ENE, clean as a whistle, with 7.2ft of SSW groundswell at 14 seconds. The energy is still pumping at 3304. This is the best on offer – the swell is solid, the wind is perfect, and the reef will be holding those lines beautifully. Expect some crowds though, as it can get busy here.
After that, the week settles down. Tuesday the 8th is glassy in the morning, but the swell drops to a weak 5.2ft from the east. It’s clean, but not punchy. Wednesday the 9th is tiny and not worth the paddle.
Then, hold on. Thursday the 10th and Friday the 11th both have glassy mornings, with 5.2ft and 5.6ft of SW groundswell respectively, and decent periods. These are clean, fun, user-friendly waves, but not the heavy hitters of the 7th. Saturday the 12th and Sunday the 13th are a bit of a mixed bag with wind and rain.
Looking further out, Monday the 14th has a glassy morning with 8.2ft of short-period SE windswell at 8 seconds. That’s a lot of water moving but it’s going to be fat and walled up on the reef – better for the experts. The energy is moderate at 1008. The rest of the second week deteriorates with strong onshore winds and rain, so don’t get your hopes up for the 15th and 16th.
So, if you’re picking your moment, Monday the 7th of September is the clear winner. Get there early.
Short Range ForecastHeavy rain (total 38mm), heaviest during Thu afternoon. Very mild (max 16°C on Wed morning, min 11°C on Tue morning). Winds increasing (calm on Tue morning, strong winds from the SSE by Thu afternoon). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Fri morning. Very mild (max 18°C on Sat afternoon, min 13°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SSE 9 | SSE 9 | SE 9 | ESE 9 | ESE 8 | SSW 11 | SSW 10 | SSW 10 | SSW 18 | SSW 19 | SSW 15 | SSW 14 | SSW 13 | ESE 9 |
Wave Graph | |||||||||||||||||||||
1576 | 2381 | 3523 | 2824 | 2340 | 1671 | 811 | 2276 | 2400 | 1401 | 759 | 545 | 366 | 326 | 281 | 3135 | 8369 | 2648 | 1690 | 1269 | 826 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-off | cross-on | cross | glassy | on | cross-on | cross | cross | cross | cross-off | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-off |
High Tide | 5:57PM1.76m | 6:13AM1.53m | 6:34PM1.62m | 6:54AM1.38m | 7:20PM1.45m | 7:52AM1.21m | 8:36PM1.27m | 9:53AM1.10m | 10:59PM1.21m | 12:15PM1.21m | 00:43AM1.33m | 1:22PM1.41m | 1:40AM1.49m | ||||||||
Low Tide | 11:40AM0.14m | 00:11AM0.21m | 12:14PM0.26m | 00:51AM0.35m | 12:56PM0.42m | 1:45AM0.51m | 1:58PM0.59m | 3:22AM0.65m | 4:09PM0.71m | 5:49AM0.61m | 6:29PM0.60m | 7:09AM0.45m | 7:36PM0.42m | ||||||||
6:47 | — | — | 6:46 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | |
— | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:13 | — | |
mm | — | — | — | — | — | — | 5 | 20 | 13 | 1 | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 15 | 15 | 12 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 17 | 15 | 17 | 18 | 16 | 17 | 18 | 15 | 22 | 26 | 26 |
Feels °C | 14 | 13 | 11 | 15 | 13 | 15 | 15 | 11 | 9 | 9 | 11 | 9 | 13 | 14 | 13 | 13 | 13 | 10 | 21 | 26 | 23 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 9 | S 8 | SSW 9 | SSW 11 | SSW 10 | SSW 10 | SSW 18 | SSW 19 | SSW 15 | ESE 8 | SSW 13 | ESE 9 |
1576 | 2381 | 3523 | 2824 | 2340 | 1671 | 811 | 347 | 212 | 261 | 313 | 111 | 366 | 326 | 281 | 3135 | 8369 | 2648 | 621 | 1269 | 826 | |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | E 9 | S 8 | S 8 | E 9 | — | SW 12 | SW 11 | SW 11 | WSW 11 | WSW 10 | SSW 20 | S 22 | — | WSW 14 | SSW 14 | SSE 12 | SSW 12 |
32 | 33 | 17 | 7 | 6 | 80 | 196 | 6 | — | 135 | 187 | 90 | 45 | 41 | 155 | 1351 | — | 82 | 1690 | 206 | 359 | |
Swell 3 Height (m) Direction Period (s) | SE 6 | — | — | — | — | E 9 | E 9 | — | — | SW 12 | SSW 15 | S 13 | E 10 | E 10 | WSW 10 | — | — | — | — | WSW 14 | SSE 12 |
1 | — | — | — | — | 6 | 6 | — | — | 142 | 42 | 89 | 8 | 17 | 39 | — | — | — | — | 36 | 301 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 8 | SSE 9 | SSE 9 | SE 9 | ESE 9 | ESE 8 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 8 | E 9 | ESE 9 | N 3 |
— | — | — | — | — | — | 307 | 2276 | 2400 | 1401 | 759 | 545 | 305 | 198 | 144 | 134 | 393 | 574 | 993 | 741 | 2 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 3 | 0 | 16 | 3 | 0 | 3 | 183 | 1656 | 1627 | 506 | 16 | 16 | 16 | 16 | 16 | 377 | 16 | 0 | 3 | 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.











