
Surf Forecasts:
Fish Boma surf forecast from 6 Sep 2026:
- Best quality surf: Saturday 12 Sep, 8PM (local time) - 6.5ft (2.0m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Thursday 10 Sep, 2PM (local time) - 8ft (2.4m), 16s period, SW swell with 3,090 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 5AM (local time) - 7.5ft (2.3m), 15s period with SSW 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 Monday (Sep 07) at 5AM. The primary swell is predicted to be 2.3m and 15s period with a secondary swell of 1.8m and 7s. 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 2.4m 16s and forecast to arrive on Thursday (Sep 10) at 2PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Mon 7th Sep) | 7.5ft (2.3m) 15s |
| Best Surf | 8PM (Sat 12th Sep) | 6.5ft (2.0m) 16s |
| Most Powerful | 2PM (Thu 10th Sep) | 8ft (2.4m) 16s |
Table - best surf conditions forecast for Fish Boma over the next 16 days.
The Lowdown
Alright folks, Rusty here, and I’ve been staring at the charts for our local patch – Fish Boma. We’ve got a proper run of surf coming through, so let’s get into it.
The week kicks off proper on Monday, September 7th, with a solid SSW groundswell. The morning is the pick of the early days. We’re looking at clean 7ft faces with that swell coming from the SSW, and a super long 14-second period. The wind is light and cross-off from the east, so the lineup is going to be tidy. The water temp is about average for this time of year, nothing weird going on. The energy in the water is strong (2750), so you’ll feel that push. This is good for experienced surfers; the size is just a bit much for the beginners.
That afternoon the swell drops a touch to 6ft, but the wind goes cross-shore and it gets a bit more mixed up. Tuesday the 8th is a bit smaller again. The morning is glassy with a 5ft swell, but it’s coming from the east with a short 9-second period – less grunt. The afternoon sees a cleaner 4ft SW swell (12 seconds) but with cross-shore wind. Wednesday the 9th is a write-off with onshore wind and small, weak surf.
Now, Thursday the 10th is where it gets interesting again. The morning session is a gem. Glassy conditions, a solid 6ft swell from the SSW, and that period jumps up to a very long 17 seconds. This is proper groundswell energy (2057). It’s going to be powerful and walled up, so point breaks and reefs will be handling it best. It’s clean and glassy.
Friday the 11th is another good one for the early birds. Dead calm, glassy conditions with a 6ft SW swell and a 13-second period. That’s a great combo for a fun session. The energy is still strong (1438). Saturday the 12th morning is a bit of a blowy one, but the afternoon cleans up nicely with an 8ft ESE swell (8-second period) and clean cross-off winds. That short period makes it a bit crumbly, but it’s clean. Sunday the 13th morning is back to glassy with a solid 7ft SW swell and a 14-second period – that’s your classic Sunday session. Strong energy (2899).
Monday the 14th is small and mixed, but Tuesday the 15th is a standout. The morning is clean with 6ft from the SW, but the afternoon is the real deal. We’ve got a 10ft SW swell rolling in with a 16-second period and light cross-off winds. That’s big, powerful, and clean. The energy is very strong (3870). This is for the experienced crew only; it’s over 8ft.
Wednesday the 16th turns ugly with strong onshore winds. Thursday the 17th is messy with a big 10ft swell and onshore winds – that’s a kite-surfing day for sure. But then we hit Friday the 18th. This is the big one of the whole forecast. Friday morning is glassy with a 15ft ESE swell (9-second period). The afternoon goes ballistic: 16ft from the ESE, 10-second period, glassy, and the energy is massive (5473). This is for expert surfers only. Massive, clean, and powerful. It’s exceptional.
Saturday the 19th stays huge but gets onshore wind, so it’s a mess. Sunday the 20th morning is a nice clean-up with a 6ft SW swell and a 15-second period, glassy. After that, the last few days of the forecast fade into smaller, mixed-up conditions with onshore winds through Monday and Tuesday.
The best of the lot? It’s a toss-up between Friday the 18th afternoon for the absolute big-wave spectacle (16ft, glassy, insane energy) – that’s the one to circle on the calendar. For a more manageable but still epic session, Tuesday the 15th afternoon (10ft, clean, long period) is the other standout. Get in the water.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Tue morning, min 15°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Thu night. Warm (max 21°C on Sat afternoon, min 16°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||
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) | SSW 16 | SSW 14 | SSW 14 | ESE 9 | E 9 | SW 12 | E 10 | SW 14 | SW 13 | SW 13 | SSW 17 | SW 16 | SW 14 | SW 13 | SW 13 | SSW 12 | SW 12 | ESE 8 | SW 16 |
Wave Graph | |||||||||||||||||||
2887 | 1797 | 1261 | 528 | 388 | 314 | 183 | 198 | 290 | 282 | 1607 | 3058 | 2082 | 1266 | 954 | 429 | 469 | 850 | 2233 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | glassy | cross | glassy | cross-on | cross-on | cross | glassy | cross-on | glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:43AM1.33m | 1:22PM1.41m | 1:40AM1.49m | 2:07PM1.61m | 2:23AM1.63m | 2:45PM1.78m | 3:00AM1.73m | 3:19PM1.90m | 3:34AM1.79m | 3:51PM1.96m | 4:06AM1.79m | 4:21PM1.95m | 4:36AM1.75m | ||||||
Low Tide | 7:09AM0.45m | 7:36PM0.42m | 7:57AM0.28m | 8:22PM0.24m | 8:34AM0.13m | 9:00PM0.11m | 9:08AM0.03m | 9:34PM0.02m | 9:40AM-0.02m | 10:05PM-0.01m | 10:09AM-0.01m | 10:35PM0.01m | |||||||
— | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | |
6:13 | — | 6:13 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 5 | 2 | — | 1 | — | — |
Temp °C | 16 | 21 | 24 | 23 | 27 | 27 | 22 | 23 | 22 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 20 | 21 | 20 |
Feels °C | 12 | 21 | 23 | 23 | 27 | 26 | 21 | 22 | 21 | 16 | 19 | 19 | 20 | 19 | 19 | 18 | 17 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 14 | SSW 14 | ESE 9 | E 9 | E 9 | E 10 | E 10 | SW 13 | SW 13 | SSW 17 | SW 16 | SW 14 | SW 13 | SW 13 | SSW 12 | SE 8 | SW 13 | ESE 10 |
2887 | 1797 | 1261 | 528 | 388 | 256 | 183 | 92 | 290 | 282 | 1607 | 3058 | 2082 | 1266 | 954 | 429 | 337 | 690 | 1426 | |
Swell 2 Height (m) Direction Period (s) | — | ESE 8 | SSE 12 | SW 13 | SSW 12 | SW 12 | SW 11 | SW 14 | E 10 | E 10 | SW 12 | E 11 | E 10 | SSW 8 | S 7 | SW 12 | SW 12 | SSW 16 | SW 16 |
— | 318 | 50 | 437 | 222 | 314 | 142 | 198 | 90 | 67 | 396 | 57 | 35 | 161 | 181 | 341 | 469 | 512 | 2233 | |
Swell 3 Height (m) Direction Period (s) | — | SSE 13 | SSE 12 | SSW 12 | SW 12 | SSE 10 | SSE 9 | SW 11 | SSE 10 | SSE 9 | E 10 | SSE 9 | SE 6 | SE 6 | SE 7 | SE 7 | SSW 15 | — | — |
— | 35 | 57 | 236 | 154 | 77 | 27 | 114 | 36 | 16 | 54 | 8 | 5 | 11 | 22 | 109 | 372 | — | — | |
Wind waves Height (m) Direction Period (s) | ESE 7 | E 8 | ESE 8 | — | — | — | — | — | — | WSW 3 | — | — | — | — | — | — | — | ESE 8 | — |
332 | 600 | 353 | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | 850 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 16 | 0 | 16 | 0 | 0 | 3 | 0 | 3 | 3 | 3 | 0 | 16 | 0 | 0 | 3 | 0 | 16 | 0 | 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.










