Fish Boma Surf Break

Lat Long: 34.07° S 22.95° E

Fish Boma Surf Forecast and Surf Report

Issued: 1 am 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Fish Boma sea temperature is
15.6°C
1.6° 

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 4 Sep 2026:

  • Best quality surf: Monday 7 Sep, 2AM (local time) - 7.5ft (2.3m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 6 Sep, 5PM (local time) - 10ft (3.0m), 17s period, SSW swell with 5,183 kJ wave energy.
  • Next surfable swell (1★+): Saturday 5 Sep, 2AM (local time) - 7ft (2.1m), 8s period with ESE 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 Saturday (Sep 05) at 2AM. The primary swell is predicted to be 2.1m and 8s period with a secondary swell of 0.9m and 9s. Another secondary swell of 0.6m and 10s 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 3.0m 17s and forecast to arrive on Sunday (Sep 06) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Wednesday (Sep 09) at 2AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 5th Sep)7ft (2.1m) 8s
Best Surf 2AM (Mon 7th Sep)7.5ft (2.3m) 16s
Most Powerful 5PM (Sun 6th Sep)10ft (3.0m) 17s

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


The Lowdown

Alright, Rusty here with the rundown on Fish Boma.

The first couple of days are a bit of a bust. Friday the 4th and Saturday the 5th have lumpy cross-shore winds and marginal waves. There’s swell, but it’s messy with that cross-chop, so don't bother paddling out.

Things get interesting on Sunday, the 6th. We’ve got a 2.3m SSW groundswell with a very long 19-second period, packing serious power – combined energy of 4343 – and clean, cross-offshore wind in the morning. That direction is perfect for Fish Boma. The swell bumps up to 3.0m in the afternoon, but the wind gets strong at 35 km/h, so the early session is your move. This is big, powerful stuff for experienced surfers only.

Then Monday morning, the 7th is a real gift. Glassy conditions, 1.9m of long-period SSW groundswell (14 seconds), with energy still solid at 2150. This is clean, lined-up surf with plenty of time between sets. It’s a perfect size for intermediates and glassy – easily the best session of the first week.

The swell drops off Tuesday and Wednesday, leaving small but clean waves. Nothing special, but fun.

We see more solid pulses around the 10th and 11th, but the wind is often onshore or cross-onshore with light rain, so the quality is just okay. Another big SSW pulse hits Saturday the 12th, with 2.5m to 3.5m swell, but the strong 30 km/h cross-wind chops it up.

The middle of the second week has a bit of a gem. Tuesday the 15th turns glassy again in the morning, with a clean 1.6m ESE swell. It’s a shorter 10-second period, so not the same grunt, but the glass-off makes it a fun, easy session.

The real standout of the whole forecast is the very end. Friday the 18th starts with a glassy 1.4m SW groundswell (15 seconds) – excellent conditions. But the afternoon is where it’s at: a 4.0m SW groundswell with a very long 15-second period, light offshore wind, and a massive combined energy of 6715. This is pumping, clean, and powerful. It’s exceptional, but only for experts due to the size. Mark your calendar for this one – though it’s a ways off, so keep checking the charts.

Water temp is a bit colder than normal for this time of year, about 60°F, so maybe grab a thicker suit.

That’s the look for Fish Boma.

Rusty, signing off.

Short Range Forecast

Mostly dry. Very mild (max 19°C on Sun afternoon, min 12°C on Fri night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Tue morning, min 15°C on Wed night). Wind will be generally light.

Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
3
1
0
3
4
5
5
4
3
4
2
2
2
1
1
1
2
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
SE
9
2.2
ESE
8
2.1
ESE
8
1.4
SSW
11
1.4
SSW
10
0.9
SSW
22
2.3
SSW
19
3
SSW
17
2.3
SSW
16
1.9
SSW
14
1.8
SSW
14
1.6
SW
13
1.5
E
10
1.1
SW
12
1
E
10
0.7
SW
14
1
SW
13
0.9
SW
12
1
SW
16
2
SW
14
2.1
SW
15
Wave Graph
Metric surfscale
Energy kJ
971
635
522
408
370
705
3813
5183
2486
1447
1258
841
414
319
184
187
330
248
508
1572
1889
Wind (km/h)
25
ESE
25
ESE
15
ENE
20
ESE
25
ESE
20
E
25
E
30
E
15
ENE
5
E
10
SE
5
NNW
5
SE
15
ESE
5
NW
10
WSW
15
W
5
SW
10
SSW
5
SSW
5
WSW
Wind State
cross
cross
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross
glassy
cross
cross
glassy
cross-on
cross
cross-on
on
on
glassy
High Tide
8:36PM1.27m
9:53AM1.10m
10:59PM1.21m
12:15PM1.21m
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
Low Tide
1:58PM0.59m
3:22AM0.65m
4:09PM0.71m
5:49AM0.61m
6:29PM0.60m
7:09AM0.45m
7:36PM0.42m
7:57AM0.28m
8:22PM0.24m
8:34AM0.13m
9:00PM0.11m
9:08AM0.03m
9:34PM0.02m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:41
6:39
6:39
6:37
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:10
6:12
6:13
6:13
6:14
6:15
6:15
 mm
Temp °C
16
16
14
16
17
15
18
19
16
23
24
22
26
26
22
26
23
17
18
18
17
Feels °C
10
11
9
12
13
12
14
14
12
23
24
22
26
24
22
26
22
17
18
18
18
  • Map Icons:
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  • 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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