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, 11AM (local time) - 10ft (3.0m), 17s period, SSW swell with 4,501 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 5AM (local time) - 6.5ft (2.0m), 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 (Sep 01) at 5AM. The primary swell is predicted to be 2.0m and 11s period with a secondary swell of 0.4m and 10s. 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 3.0m 17s and forecast to arrive on Sunday (Sep 06) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Saturday (Sep 05) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 1st Sep) | 6.5ft (2.0m) 11s |
| Best Surf | 2AM (Wed 2nd Sep) | 10ft (3.0m) 14s |
| Most Powerful | 11AM (Sun 6th Sep) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Fish Boma over the next 16 days.
The Lowdown
G'day, I'm Rusty. Let's have a look at what's on the cards for Fish Boma.
The next couple of weeks is a bit of a mixed bag with a few standout windows, but the right conditions will really fire up this reef break. The water temp is sitting about average for this time of year, so no need to worry about a crazy warm or cool spell just yet.
We kick off on Tuesday, 1st September with a decent 8ft SW swell rolling in at 12 seconds, but it's coming in with a bit of an onshore kick from the SSW at 3 mph, and the tide is a bit questionable. The combined energy is a solid 1609 (moderate), but it's a bit messy. The afternoon sees the swell bump to 8ft, but the wind picks up a touch, still onshore, so it's not the cleanest. Wednesday, 2nd September, the swell holds at 10ft from the SW with 13 seconds (moderate energy at 2831), but the wind is cross-onshore in the morning and cross-shore in the afternoon, so again, not the best. Thursday, 3rd September, the swell drops to 5ft in the morning, but the wind is light cross-onshore. Then the arvo turns into a write-off with heavy rain and a solid 28 mph cross-onshore wind, making it a total mess. Friday, 4th September, is a no-go with strong cross-shore winds and lumpy conditions. Saturday, 5th September, the morning cleans up a bit with a cross-offshore wind and a 5ft ESE swell, but the energy is only 719 (weak), so it's small and average. The arvo is poor. Sunday, 6th September, is big but messy – a 10ft SSW swell with 17 seconds (very long period) and strong energy at 4501, but the morning is lumpy. The afternoon cleans up with a cross-offshore wind and a 7ft SSW swell at 16 seconds (long period), offering clean but powerful waves. This is a big, long-period swell, so it'll be breaking with real punch at the reef, but it's best suited to experienced surfers.
Now, here's the standout. Monday, 7th September, is your best bet. The morning kicks off with a clean 8ft ESE swell, light cross-offshore wind from the ENE at 9 mph, and the energy is a solid 1625 (moderate). The afternoon is even better – 10ft ESE swell, light cross-offshore breeze, and clean conditions. This is excellent surf for experienced surfers. Tuesday, 8th September, is also a beauty. The morning is clean with a 7ft ESE swell, light offshore wind from the N at 6 mph, and the energy is 992 (moderate). The afternoon goes glassy with a 6ft E swell at 10 seconds and a light breeze – perfect for a long glassy session. The swell direction is right on the money from the S optimum. Wednesday, 9th September, is clean but smaller, with a 4ft E swell in the morning. The arvo drops to 3ft and gets a bit of cross-shore ripple.
After that, the surf drops off significantly. Thursday, 10th September, is tiny with a 2ft WSW swell, though the afternoon goes glassy. Friday, 11th September, is poor with a 4ft SW swell and onshore wind. Saturday, 12th September, is a write-off with rain and fresh cross-shore winds. Sunday, 13th September, is messy and windy, with a 10ft SE swell but a short period of 7 seconds and poor conditions. Monday, 14th September, sees a clean 8ft ESE swell, but the wind is fresh and cross-offshore, so it's a bit lumpy. Tuesday, 15th September, is smaller and clean but only 4ft.
Finally, Wednesday, 16th September, brings a glassy, clean 10ft SSW swell with a very long 14-second period and massive energy at 4219 (strong). This is another excellent session for experienced surfers, but it's a long way out, so keep an eye on it.
So, overall, the standout is Monday, 7th September, with clean, powerful waves and light winds. The Tuesday, 8th September afternoon with glassy 6ft waves is also a gem. The long-range glassy swell on 16th September is promising too.
Rusty.
Short Range ForecastHeavy rain (total 38mm), heaviest during Thu afternoon. Very mild (max 17°C on Wed afternoon, min 11°C on Mon night). Winds increasing (calm on Mon night, strong winds from the SSE by Thu afternoon). | Days 5-7 Weather SummaryHeavy rain (total 40mm), heaviest during Thu night. Very mild (max 17°C on Sat morning, min 14°C on Thu night). Mainly fresh winds. | ||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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 11 | SW 12 | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SSE 9 | SSE 10 | SE 10 | ESE 9 | ESE 8 | SSW 11 | SSW 10 | SSW 17 | SSW 17 | SSW 16 | ESE 8 |
Wave Graph | |||||||||||||||||||
851 | 1576 | 2381 | 3523 | 2824 | 2305 | 1791 | 811 | 2899 | 3202 | 1664 | 1048 | 608 | 336 | 274 | 385 | 4501 | 2417 | 1268 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | cross-off | cross-on | cross | glassy | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 5:38AM1.64m | 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 | |||||||
Low Tide | 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 | 4:09PM0.71m | 5:49AM0.61m | 6:29PM0.60m | |||||||
— | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | |
6:08 | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | |
mm | — | — | — | — | — | — | — | 4 | 34 | 37 | 1 | — | — | — | — | 2 | — | — | — |
Temp °C | 12 | 15 | 15 | 12 | 16 | 17 | 14 | 15 | 15 | 16 | 16 | 16 | 15 | 17 | 17 | 16 | 17 | 17 | 14 |
Feels °C | 12 | 14 | 14 | 11 | 15 | 14 | 12 | 15 | 14 | 9 | 9 | 9 | 10 | 14 | 13 | 12 | 12 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 12 | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | WSW 12 | S 9 | S 8 | SSW 9 | SSW 11 | SSW 10 | SSW 10 | SSW 17 | SSW 16 | SSW 13 |
851 | 1576 | 2381 | 3523 | 2824 | 2305 | 1791 | 811 | 353 | 187 | 664 | 201 | 116 | 308 | 274 | 223 | 4501 | 2417 | 820 | |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | S 7 | E 9 | — | SW 11 | SSW 9 | WSW 11 | WSW 11 | WSW 11 | SSW 17 | — | — | SW 13 |
33 | 32 | 33 | 17 | 7 | 6 | 6 | 155 | 6 | — | 128 | 137 | 75 | 75 | 75 | 385 | — | — | 431 | |
Swell 3 Height (m) Direction Period (s) | S 10 | SE 6 | — | — | — | — | — | E 9 | — | — | S 15 | SW 10 | S 13 | — | E 10 | SSW 14 | — | — | S 8 |
2 | 1 | — | — | — | — | — | 6 | — | — | 4 | 160 | 90 | — | 18 | 269 | — | — | 90 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSE 7 | SSE 9 | SSE 10 | SE 10 | ESE 9 | ESE 8 | ESE 8 | ESE 6 | ESE 6 | ESE 6 | ESE 8 | ESE 8 |
— | — | — | — | — | — | — | 365 | 2899 | 3202 | 1664 | 1048 | 608 | 336 | 186 | 255 | 146 | 1086 | 1268 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 3 | 3 | 0 | 16 | 3 | 0 | 3 | 372 | 596 | 1656 | 1656 | 16 | 379 | 418 | 16 | 412 | 412 | 16 |
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.











