Surf Forecasts:
Fish Boma surf forecast from 8 Aug 2026:
- Best quality surf: Monday 10 Aug, 11PM (local time) - 10ft (3.0m), 14s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 9 Aug, 2AM (local time) - 11ft (3.5m), 14s period, SW swell with 4,435 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 11PM (local time) - 10ft (3.0m), 14s 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 (Aug 10) at 11PM. The primary swell is predicted to be 3.0m and 14s period. 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 14s and forecast to arrive on Sunday (Aug 09) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Tuesday (Aug 11) at 5AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 10th Aug) | 10ft (3.0m) 14s |
| Best Surf | 11PM (Mon 10th Aug) | 10ft (3.0m) 14s |
| Most Powerful | 2AM (Sun 9th Aug) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Fish Boma over the next 16 days.
The Lowdown
Alright, folks, Rusty here again. Let’s break it down in feet and degrees.
We’ve just got one spot in the crosshairs: Fish Boma. It’s a reef, so it’s got a bit of character. The first few days are a write-off—wind all wrong, messy water. The real action starts to stir on Tuesday, August 11th.
Water temp is 62°F, which is about normal for the season, so you’re good in your usual rubber.
Tuesday, August 11th morning is the first real window. The swell is 7ft from the SSW, with a 13-second period, and the wind is cross-off from the east. Clean. The combined energy is strong (1943). It’s a day for experienced surfers. Crowds are possible.
Now, the one to circle: Thursday, August 13th. Morning swell is 6ft from the SSW, with a massive 19-second period—that’s groundswell—and offshore wind from the NE. The combined energy is huge (4490). The afternoon is even better: 7ft from the SW, 18-second period, and a gentle cross-off breeze. This is the best of the bunch.
Friday, August 14th is a nice, mellow day: 5ft in the morning, 4ft in the afternoon, both with 15-16 second periods and light, clean winds. The afternoon has offshore wind, so it’ll be glassy.
The weekend of August 15th-16th is a dud—small swell, onshore wind, chop.
Tuesday, August 18th morning is a glassy surprise: 5ft from the SW, 14-second period, glassy conditions. Clean and fun for anyone.
Saturday, August 23rd morning pumps back up: 7ft from the SW, 12-second period, and clean cross-off wind. The energy is strong (1365). For experienced surfers.
The long-period swells (over 15 seconds) on the 12th, 13th, and 14th are perfect for this reef—they’ll hold up and give you proper lines.
The big winner: Thursday, August 13th. Tuesday morning (11th) and Tuesday morning (18th) are also worth the effort.
Rusty out.
Short Range ForecastHeavy rain (total 40mm), heaviest during Sun morning. Very mild (max 15°C on Sat afternoon, min 11°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Tue morning. Warm (max 26°C on Thu afternoon, min 12°C on Tue morning). Mainly fresh winds. | ||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||
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 14 | SW 14 | SW 14 | SW 13 | SW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 14 | SSW 13 | SSW 12 | SSW 23 | SSW 20 | SSW 19 | SSW 17 | SSW 19 | SW 18 | SW 16 | SW 16 | SW 15 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2020 | 2094 | 4435 | 2651 | 2711 | 2321 | 1578 | 1756 | 3493 | 1458 | 802 | 612 | 1560 | 1680 | 1796 | 2022 | 2600 | 1314 | 954 | 606 | 434 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | on | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | off | cross |
High Tide | 12:01PM1.18m | 00:33AM1.38m | 1:23PM1.34m | 1:42AM1.52m | 2:17PM1.54m | 2:33AM1.66m | 3:01PM1.71m | 3:16AM1.75m | 3:41PM1.84m | 3:55AM1.80m | 4:18PM1.92m | 4:31AM1.80m | 4:52PM1.93m | ||||||||
Low Tide | 6:03PM0.60m | 7:09AM0.44m | 7:29PM0.46m | 8:06AM0.28m | 8:26PM0.29m | 8:51AM0.13m | 9:12PM0.15m | 9:30AM0.03m | 9:53PM0.06m | 10:05AM-0.03m | 10:31PM0.03m | 10:39AM-0.04m | 11:06PM0.05m | ||||||||
 |  |  |  | | |  | |  | | |  | | |  | | | | | | | |
 | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — |
 | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — |
mm | — | — | 7 | 9 | 6 | 9 | 4 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 14 | 17 | 20 | 16 | 21 | 26 | 24 | 25 | 28 | 25 |
Feels °C | 11 | 12 | 13 | 8 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 13 | 15 | 11 | 17 | 23 | 19 | 22 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | E 8 | SSW 12 | SSW 11 | SSW 11 | SSW 14 | SSW 13 | SSW 12 | SE 8 | SSW 20 | SSW 19 | SSW 17 | ESE 9 | SW 18 | ESE 9 | ESE 9 | ESE 9 | E 9 |
| kJ | 2020 | 2094 | 4435 | 2651 | 19 | 2321 | 1578 | 1756 | 3493 | 1458 | 802 | 371 | 1560 | 1680 | 1796 | 662 | 2600 | 662 | 540 | 422 | 397 |
Swell 2 Height (m) Direction Period (s) | ESE 6 | E 6 | E 9 | ESE 8 | — | E 10 | E 10 | E 8 | WSW 11 | — | S 26 | SSW 11 | SSW 11 | SW 11 | ESE 9 | SSW 19 | S 11 | SW 16 | SW 16 | SW 15 | SW 14 |
| kJ | 31 | 21 | 39 | 24 | — | 17 | 17 | 12 | 24 | — | 13 | 329 | 226 | 123 | 454 | 2022 | 9 | 1314 | 954 | 606 | 434 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | — | E 11 | — | — | — | E 9 | — | — | — | SSW 23 | S 11 | S 10 | SW 10 | SW 16 | — | — | — | — | S 13 |
| kJ | 15 | 15 | — | 9 | — | — | — | 16 | — | — | — | 612 | 36 | 31 | 37 | 989 | — | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | WSW 5 | SW 6 | — | — | SW 12 | — | — | — | — | ESE 7 | ESE 7 | E 7 | ESE 8 | ESE 8 | E 8 | E 9 | ESE 8 | E 9 | — | — | WSW 4 |
| kJ | 37 | 71 | — | — | 2711 | — | — | — | — | 485 | 773 | 271 | 549 | 801 | 464 | 817 | 547 | 909 | — | — | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 3 | 175 | 40 | 1099 | 77 | 74 | 16 | 0 | 0 | 16 | 16 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
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.
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