Surf Forecasts:
Fish Boma surf forecast from 29 Aug 2026:
- Best quality surf: Wednesday 2 Sep, 2AM (local time) - 10ft (3.0m), 13s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 2 Sep, 8AM (local time) - 11ft (3.5m), 13s period, SW swell with 3,642 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 5PM (local time) - 7ft (2.1m), 12s 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 Sunday (Aug 30) at 5PM. The primary swell is predicted to be 2.1m and 12s period with a secondary swell of 0.4m and 12s. 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 3.5m 13s and forecast to arrive on Wednesday (Sep 02) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 6s period and expected on Friday (Sep 04) at 8AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Sun 30th Aug) | 7ft (2.1m) 12s |
| Best Surf | 2AM (Wed 2nd Sep) | 10ft (3.0m) 13s |
| Most Powerful | 8AM (Wed 2nd Sep) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for Fish Boma over the next 16 days.
The Lowdown
Alright, grab your wetsuit, let’s break down what’s cookin’ at Fish Boma over the next couple weeks.
Right now, the water’s running at 59°, which is a solid 4° colder than average for this time of year – that’s a bit of a shock to the system if you’re not expecting it. You’ll want a good 4/3, maybe boots unless you’re tough.
The first few days are pretty ordinary. Saturday the 29th is a write-off – cloudy, cross-on wind, weak 3.3ft S swell, energy way down at 572 – just poor, choppy conditions. That afternoon barely improves with a tiny 2.3ft SW swell and light cross-on. Not worth paddlin’ out.
Sunday the 30th morning stays cross-on but the swell bumps to 6.9ft SW, period 9s, energy 1053 – still marginal. Then Sunday afternoon things flip. Glassy winds hit, same 6.9ft SW swell but period lengthens to 12s, energy jumps to 1191. That’s our first real window – clean, well-shaped waves for intermediate surfers. Not huge, but smooth.
Monday the 31st morning stays glassy with 5.2ft SW, 11s, energy 707 – very good conditions. Afternoon gets a light cross-on and drops to 4.9ft, still rideable but less clean.
Tuesday September 1st morning is offshore with 6.9ft SW, 12s, energy 1134 – clean faces, but the afternoon turns cross-on with 7.9ft SW, 13s, energy 1931 – still decent but less perfect.
Wednesday the 2nd has a cross-shore breeze with a solid 9.8ft SW, 13s, energy 3181 – that’s moderate-to-strong energy, big enough to be expert
Short Range ForecastLight rain (total 5mm), mostly falling on Sat night. Very mild (max 17°C on Sat morning, min 10°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Thu afternoon. Very mild (max 18°C on Wed afternoon, min 12°C on Tue morning). Winds increasing (calm on Wed morning, strong winds from the SE by Thu afternoon). | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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) | S 11 | SW 13 | SW 14 | SW 9 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 14 | SSW 11 | SSW 11 | SSW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 251 | 175 | 241 | 729 | 1130 | 840 | 675 | 573 | 770 | 1102 | 1912 | 3299 | 3174 | 2511 | 2005 | 1486 | 1148 | 389 | 1261 | 821 | 582 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross-on | glassy | on | cross-on | cross-off | cross | cross | cross-off | on | cross | cross | cross-off | cross-off | cross-off |
High Tide | 4:26PM1.89m | 4:37AM1.76m | 4:54PM1.90m | 5:06AM1.72m | 5:24PM1.85m | 5:38AM1.64m | 5:57PM1.76m | 6:13AM1.53m | 6:34PM1.62m | 6:54AM1.38m | 7:20PM1.45m | 7:52AM1.21m | 8:36PM1.27m | ||||||||
Low Tide | 10:13AM0.01m | 10:35PM0.06m | 10:40AM0.01m | 11:05PM0.06m | 11:09AM0.05m | 11:36PM0.12m | 11:40AM0.14m | 00:11AM0.21m | 12:14PM0.26m | 00:51AM0.35m | 12:56PM0.42m | 1:45AM0.51m | 1:58PM0.59m | 3:22AM0.65m | |||||||
 | |  |  | |  |  | | | | | | | |  |  |  | | | | | |
 | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:10 | — |
mm | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 3 | — | — | — |
Temp °C | 17 | 17 | 15 | 14 | 14 | 13 | 14 | 15 | 12 | 15 | 14 | 13 | 17 | 18 | 14 | 16 | 15 | 16 | 17 | 16 | 15 |
Feels °C | 17 | 16 | 13 | 12 | 11 | 12 | 13 | 13 | 11 | 13 | 12 | 11 | 15 | 15 | 13 | 15 | 8 | 11 | 11 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | S 11 | SSE 11 | SW 10 | SW 9 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 11 | SSW 11 |
| kJ | 251 | 167 | 226 | 729 | 1130 | 840 | 675 | 573 | 770 | 1102 | 1912 | 3299 | 3174 | 2511 | 2005 | 1486 | 1148 | 319 | 1261 | 821 | 582 |
Swell 2 Height (m) Direction Period (s) | E 11 | SW 13 | SW 14 | SW 13 | E 12 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | ESE 5 | SSW 16 | SSW 14 | E 8 | WSW 10 | WSW 10 |
| kJ | 154 | 175 | 241 | 257 | 41 | 21 | 21 | 37 | 33 | 31 | 19 | 17 | 7 | 6 | 6 | 8 | 144 | 389 | 6 | 220 | 185 |
Swell 3 Height (m) Direction Period (s) | SW 13 | E 11 | E 12 | E 12 | SSE 10 | SSE 10 | SSE 11 | SSE 7 | SE 10 | SE 6 | — | — | — | — | — | E 9 | ESE 7 | SSW 10 | E 7 | E 7 | S 14 |
| kJ | 162 | 121 | 95 | 67 | 20 | 10 | 11 | 15 | 4 | 1 | — | — | — | — | — | 6 | 15 | 43 | 1 | 9 | 106 |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 4 | SSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 7 | — | E 5 | — |
| kJ | 5 | 10 | 141 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 294 | — | 8 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 3 | 37 | 3 | 0 | 0 | 0 | 16 | 0 | 3 | 3 | 0 | 16 | 3 | 0 | 3 | 527 | 16 | 415 | 412 | 16 |
Best forecast wave conditions in Garden Route | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.
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