Surf Forecasts:
Fish Boma surf forecast from 2 Sep 2026:
- Best quality surf: Sunday 6 Sep, 11PM (local time) - 7ft (2.2m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 6 Sep, 5PM (local time) - 8ft (2.5m), 17s period, SSW swell with 4,138 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 5AM (local time) - 10ft (3.0m), 14s 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 Wednesday (Sep 02) at 5AM. The primary swell is predicted to be 3.0m and 14s 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 2.5m 17s and forecast to arrive on Sunday (Sep 06) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 2nd Sep) | 10ft (3.0m) 14s |
| Best Surf | 11PM (Sun 6th Sep) | 7ft (2.2m) 16s |
| Most Powerful | 5PM (Sun 6th Sep) | 8ft (2.5m) 17s |
Table - best surf conditions forecast for Fish Boma over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break down what’s happening at Fish Boma over the next couple weeks.
We’re off to a slow start. Nothing worth jumping out of bed for on Wednesday the 2nd or Thursday the 3rd. There’s swell, but the wind is all over the place. Friday the 4th is a total write-off – strong cross-shore breeze and short-period, lumpy junk.
You get a little window Saturday the 5th morning. The swell drops to about 5ft from the SSW, with a clean cross-offshore breeze. The energy is moderate (791), and the period is a solid 11 seconds, so there’ll be some decent lines. It’s not a classic, but it’s the first real chance to get wet.
The big standout is Sunday the 6th. Whoa. We’ve got a massive, long-period groundswell – 19 seconds in the morning, dropping to 17 seconds in the afternoon. Combined energy readings of 3150 and 4968. Swell heights are 6ft to 8ft from the SSW, with clean cross-offshore east winds. This is the best window of the whole forecast. With that kind of period, it could be too straight for a beach break, but on a reef like Fish Boma, this could be absolutely firing. The afternoon is in the expert-only range, so be careful.
After that, things go quiet. Monday the 7th through Tuesday the 8th drop off. Wednesday the 9th morning is worth a look – a tiny 3ft from the SW with glassy conditions. Grab a longboard.
Then another big pulse hits Saturday the 12th. We’re looking at 8ft to 10ft from the SSW, with 14-second periods. The energy is massive (3288 and 3188). The wind is light and near glassy in the morning. That’s a heavy day for experts only. The swell direction is perfect for the reef.
Sunday the 13th is still fun, with 7ft SSW swell and light cross-shore winds, but the energy is dialing back. By Monday the 14th, the period drops to 8 seconds and the wind turns onshore, so it gets messy. The rest of the second week is mostly average. We get a flash of long-period swell on the 16th (17 seconds, 5ft) but the wind is onshore, so it’s a gamble.
Water temp is about average for the season, so no surprises there.
Your best bets are Sunday the 6th and Saturday the 12th. Get on it.
Rusty.
Short Range ForecastHeavy rain (total 39mm), heaviest during Thu night. Very mild (max 17°C on Wed afternoon, min 12°C on Tue night). Winds increasing (calm on Thu morning, fresh winds from the SE by Thu night). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Mon morning, min 13°C on Fri night). Winds decreasing (fresh winds from the E on Sat afternoon, light winds from the W by Mon morning). | ||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||
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 14 | SW 13 | SW 13 | SW 13 | SW 12 | S 9 | SSE 10 | SE 9 | SE 8 | ESE 8 | SSW 11 | ESE 7 | ESE 7 | SSW 19 | SSW 17 | SSW 16 | SSW 14 | SSW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 3523 | 2824 | 2340 | 1671 | 811 | 951 | 2592 | 796 | 599 | 469 | 427 | 396 | 407 | 2443 | 4138 | 1931 | 1126 | 1005 | 828 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | glassy | on | cross | cross-on | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross | glassy |
High Tide | 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 | 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 | |||||||
 |  | |  |  |  | |  | |  | | | | | | | | | | |
 | — | 6:46 | — | — | 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 | — | — | — | 1 | 6 | 17 | 15 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 16 | 17 | 15 | 15 | 15 | 16 | 15 | 16 | 14 | 16 | 17 | 15 | 19 | 22 | 19 | 26 | 23 | 19 |
Feels °C | 11 | 14 | 14 | 15 | 16 | 15 | 11 | 9 | 10 | 9 | 11 | 11 | 11 | 16 | 19 | 18 | 26 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | S 9 | SW 12 | SSW 10 | S 8 | SSW 9 | SSW 11 | SSW 10 | SSW 10 | SSW 19 | SSW 17 | ESE 9 | ESE 10 | E 10 | SW 13 |
| kJ | 3523 | 2824 | 2340 | 1671 | 811 | 503 | 212 | 551 | 204 | 130 | 427 | 314 | 281 | 2443 | 4138 | 878 | 768 | 614 | 828 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | SSE 8 | S 10 | WSW 12 | — | SSE 9 | SSW 9 | S 8 | WSW 11 | WSW 10 | SSW 22 | SSW 10 | S 9 | SSW 16 | SSW 14 | SSW 14 | E 10 |
| kJ | 17 | 7 | 6 | 33 | 158 | 488 | — | 177 | 147 | 65 | 45 | 41 | 161 | 148 | 26 | 1931 | 1126 | 1005 | 384 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 9 | E 9 | E 9 | — | WSW 11 | SW 10 | SW 11 | — | S 13 | WSW 10 | SSW 13 | — | — | SSE 13 | SSE 12 | S 11 |
| kJ | — | — | — | 6 | 6 | 6 | — | 160 | 180 | 90 | — | 14 | 20 | 65 | — | — | 34 | 14 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSE 7 | S 9 | SSE 10 | SE 9 | SE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | E 9 | — | — | WSW 3 |
| kJ | — | — | — | — | 59 | 951 | 2592 | 796 | 599 | 469 | 319 | 396 | 407 | 494 | 804 | 1350 | — | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 16 | 3 | 0 | 3 | 16 | 2315 | 16 | 506 | 16 | 16 | 412 | 16 | 16 | 16 | 0 | 3 | 1 | 0 |
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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