Fish Boma Surf Break

Lat Long: 34.07° S 22.95° E

Fish Boma Surf Forecast and Surf Report

Issued: 7 am 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Fish Boma sea temperature is
15.4°C
1.7° 

Fish Boma surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Fish Boma surf forecast from 26 Aug 2026:

  • Best quality surf: Thursday 27 Aug, 2AM (local time) - 7ft (2.1m), 12s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 1 Sep, 8PM (local time) - 13ft (4.0m), 14s period, SW swell with 5,808 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 2AM (local time) - 7ft (2.1m), 12s 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 Thursday (Aug 27) at 2AM. The primary swell is predicted to be 2.1m and 12s period with a secondary swell of 2.0m and 7s. Another secondary swell of 2.5m and 8s is also forecast. 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 4.0m 14s and forecast to arrive on Tuesday (Sep 01) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Wednesday (Aug 26) at 2PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 27th Aug)7ft (2.1m) 12s
Best Surf 2AM (Thu 27th Aug)7ft (2.1m) 12s
Most Powerful 8PM (Tue 1st Sep)13ft (4.0m) 14s

Table - best surf conditions forecast for Fish Boma over the next 16 days.


The Lowdown

Alright, Rusty here, giving you the lowdown in feet and knots.

The first real chance of a wave is on Wednesday, August 26th, but it's a messy start. Fish Boma is seeing a 6ft south swell, with a very long 16-second period, so there's plenty of energy pushing in (2509 combined energy). The wind is a cross-off from the east at 25 km/h, which keeps the surface clean, but the report flags it as marginal – tide might be playing games. The water is sitting at 60°F, which is 3°F colder than normal for this time of year, so that’s a bit nippy.

Thursday morning, August 27th, is where things get interesting. The swell drops a touch to 7ft from the SSW, still a solid 12-second period, and the wind goes glassy – dead calm from the east at 5 km/h. The wave energy is still strong (1587 combined energy), and the report calls it excellent for experienced surfers. This is a standout morning. The afternoon sees the wind shift a little cross-shore and the swell backing off to 5ft, so the morning is the clear winner here.

Friday, August 28th, is a step down. The swell drops to 5ft, and the wind goes onshore from the southwest. The energy is moderate (725 combined energy). It’s not terrible, but it’s not worth getting excited about.

Saturday, August 29th, is a write-off: small, messy, cross-on winds. Not worth paddling out.

Sunday, August 30th, has a pulse. The morning brings a 6ft SSW swell with a short 8-second period, and the wind is light cross-on. It’s a bit lumpy. But the afternoon is a beauty: the wind drops to nothing, glassy conditions, with a 5ft SW swell and a long 13-second period. The energy is still solid (1089 combined energy), and the report says excellent for experienced surfers. That afternoon session is a real gem.

From Monday, August 31st, through to Tuesday, September 1st, the swell builds but the wind gets messy. Tuesday afternoon sees a 12ft SW swell with a 14-second period, but it’s accompanied by a strong 40 km/h cross-on breeze. The energy is huge (4441 combined energy), but it’s a choppy, blown-out mess – more for kite surfers than paddle surfers.

Wednesday, September 2nd, and Thursday, September 3rd, are still big, with 10ft to 12ft SW swells, but the wind stays onshore or cross-on. There’s a glimmer on Thursday afternoon: a 12ft SE swell with a short 8-second period, but the wind is a clean cross-off from the east. The energy is strong (1917 combined energy), and the report calls it excellent for experienced surfers.

Now, the real standout. Friday, September 4th, is massive. A 21ft ESE swell with an 11-12 second period, and the wind is glassy in the morning, then clean cross-off in the afternoon. The combined energy readings are off the charts – 10758 and 12551. However, the report warns that the swell is too big for this break. This is expert-only territory, and even then, it’s pushing the limits.

Saturday, September 5th, is still huge. The morning sees a 15ft ESE swell with a 13-second period, and the wind is offshore from the NNE at 15 km/h. The energy is astronomical (10050 combined energy), and the report says exceptional for expert surfers. This is the best of the best, but you better be on your game.

Sunday, September 6th, through to Tuesday, September 8th, see the swell drop back to 7ft to 10ft, with onshore and cross-shore winds. Tuesday morning, September 8th, is glassy with a 4ft SW swell, but the energy is moderate (604 combined energy). It’s a nice, clean session, but not a standout.

The rest of the forecast into the second week is small and inconsistent, with short-period swells and light onshore winds. Nothing to plan a trip around.

To wrap it up: the top two windows are Thursday morning, August 27th – glassy, 7ft, excellent for experienced surfers – and Saturday morning, September 5th – a massive 15ft offshore swell for experts only. The Friday and Saturday, September 4th and 5th, are for the brave, but the swell size is extreme.

Rusty, signing off.

Short Range Forecast

Mostly dry. Warm (max 26°C on Thu afternoon, min 14°C on Wed morning). Winds decreasing (fresh winds from the E on Wed afternoon, calm by Fri afternoon).

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Sat night. Very mild (max 17°C on Sat morning, min 11°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat night, calm by Sun night).

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
4
4
3
3
2
2
2
1
1
0
1
2
3
2
2
2
1
0
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
S
16
2.3
SSW
16
2.1
SSW
12
2
SSW
12
1.5
S
12
1.6
S
12
1.4
S
11
1.2
S
11
1.2
S
11
1
S
11
0.7
SW
13
1.3
SW
10
2.2
WSW
8
1.9
SW
8
1.8
SW
11
1.5
WSW
11
1.4
SW
12
1.3
SW
11
2.3
SW
13
3.5
SW
14
3.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
1552
2543
1310
1090
638
699
467
335
351
251
175
346
587
423
771
583
549
368
1791
4775
4646
Wind (km/h)
25
E
35
E
10
NE
5
E
10
ESE
5
NW
5
SW
5
SSE
5
WSW
10
WSW
15
WSW
35
WSW
20
WSW
10
SW
5
N
5
SW
5
S
5
NNE
15
WSW
25
SW
15
W
Wind State
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
on
on
glassy
cross-on
cross-on
cross
High Tide
3:06PM1.63m
3:12AM1.65m
3:32PM1.75m
3:40AM1.72m
3:59PM1.84m
4:08AM1.76m
4:26PM1.89m
4:37AM1.76m
4:54PM1.90m
5:06AM1.72m
5:24PM1.85m
5:38AM1.64m
5:57PM1.76m
Low Tide
8:56AM0.23m
9:11PM0.26m
9:21AM0.12m
9:39PM0.16m
9:46AM0.05m
10:07PM0.09m
10:13AM0.01m
10:35PM0.06m
10:40AM0.01m
11:05PM0.06m
11:09AM0.05m
11:36PM0.12m
11:40AM0.14m
00:11AM0.21m
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
mod rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:52
6:52
6:50
6:50
6:48
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:06
6:06
6:07
6:07
6:08
6:08
 mm
8
2
2
Temp °C
18
20
16
25
26
20
22
23
20
17
17
16
14
15
13
15
15
12
15
18
15
Feels °C
14
14
12
23
24
19
21
23
20
16
15
15
9
11
11
13
13
11
12
15
12
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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