Fish Boma Surf Break

Lat Long: 34.07° S 22.95° E

Fish Boma Surf Forecast and Surf Report

Issued: 1 am 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Fish Boma sea temperature is
14.5°C
2.7° 

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 22 Aug 2026:

  • Best quality surf: Sunday 23 Aug, 5AM (local time) - 7.5ft (2.3m), 11s period, SW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 25 Aug, 2PM (local time) - 8ft (2.5m), 15s period, SW swell with 2,913 kJ wave energy.
  • Next surfable swell (1★+): Sunday 23 Aug, 5AM (local time) - 7.5ft (2.3m), 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 Sunday (Aug 23) at 5AM. The primary swell is predicted to be 2.3m and 11s period with a secondary swell of 0.1m and 16s. 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 2.5m 15s and forecast to arrive on Tuesday (Aug 25) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 5s period and expected on Friday (Aug 28) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 23rd Aug)7.5ft (2.3m) 11s
Best Surf 5AM (Sun 23rd Aug)7.5ft (2.3m) 11s
Most Powerful 2PM (Tue 25th Aug)8ft (2.5m) 15s

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


The Lowdown

Alright, this is Rusty checkin’ in from the local sandbar. We’ve got a long-range look at Fish Boma, and it’s a mixed bag of solid swell and tricky wind. The water is sittin’ at 58° right now, which is a couple of degrees colder than normal for this time of year – you’ll feel that chill on your first duck dive.

Saturday the 22nd is a write-off, mate. Wind’s howlin’ from the west at 19 mph, cross-on and lumpy, with a weak 5.6 ft – not worth paddling out. The combined energy is low (830), and the whole day is a no-go.

Sunday the 23rd is where we start to see a pulse. The morning has clean offshore wind from the SSW, pushin’ a 6.9 ft SW swell at 11 seconds. Energy jumps to 1309, and it’s lookin’ fun and hollow. The afternoon turns a little cross-on, but still a solid session.

Monday the 24th drops a notch. Swell backs off to 5.2 ft, still SW, but the wind is light cross-on both morning and afternoon. It’s surfable, but nothing to get too excited about – energy sits around 645 to 846.

Tuesday the 25th is a big step up. Swell builds to 8.2 ft from the SW, period stretchin’ to 14 seconds. That’s proper groundswell. The morning is cross-on, but the afternoon swings cross-shore with a light breeze. Energy is huge – 2756 in the morning, 3472 in the afternoon. This is fishin’ for experienced surfers only; 8.2 ft is at the top end for most.

Wednesday the 26th holds solid at 5.9 ft to 6.2 ft, but the wind is howlin’ offshore from the east at 12 to 22 mph. That keeps the face clean, but the afternoon breeze is a fresh 22 mph, which will make it a battle to stay in position. Energy is still strong (2359 to 2423).

Thursday the 27th is a standout. The morning is glassy – dead calm, with the wind from the ESE at just 3 mph. Swell is 5.9 ft, SW, 12 seconds, and the energy is 1424. The afternoon is pure glass too, with zero wind. This is the best clean surf of the early window. The crowd factor is “sometimes” at Fish Boma, so you might get a few out, but it’s worth the paddle.

Friday the 28th stays clean. Morning is glassy again with a 4.6 ft S swell at 11 seconds, and the afternoon turns cross-off with the wind from the east. Energy is 1007 to 1154 – a fun, mellow day.

Saturday the 29th is a split day. The morning is a dud – 2.6 ft with a fresh 19 mph cross-off wind. But the afternoon fires up: 9.8 ft SW swell, 9-second period, and clean with light cross-off wind. That’s a big, powerful wave, but it’s short period, so it’ll be a bit lumpy. Energy is 1745.

Sunday the 30th is all 9.8 ft SW, but the wind is onshore or cross-on all day. It’s gonna be a messy, heavy washout. This is for experts only, and even then, the wind will ruin it.

Monday the 31st drops to 4.9 ft and 4.6 ft, but the wind is cross-on and choppy. Not worth the time.

Tuesday the 1st of September builds again. Morning is 6.6 ft SW with a cross-shore light breeze, afternoon hits 7.5 ft SW with a 14-second period and clean cross-off wind. Energy is 1003 to 2113 – a solid day.

Wednesday the 2nd of September is clean in the morning, with a light cross-off breeze and 6.2 ft SW swell at 13 seconds. The afternoon gets a little crossed up, but still fun.

Now, the absolute standout of the whole forecast is Thursday the 3rd of September. Morning is glassy, dead calm, with a 9.8 ft SW groundswell and a *16-second period*. That’s a very long period, meaning it’ll be a clean, powerful, machinery wave. Energy is a massive 5011 – that’s an exceptional, deep-water groundswell. This is a pulse for expert surfers only. The wave comment says “exceptional surf conditions for expert surfers,” and I’m callin’ it: this is the best day on offer. The afternoon stays solid at 8.2 ft but goes cross-on.

Friday the 4th is another glassy morning with 9.8 ft SW at 13 seconds, energy at 3430. The

Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat afternoon, min 11°C on Mon night). Winds decreasing (fresh winds from the W on Sat morning, calm by Mon night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Thu afternoon, min 11°C on Tue morning). Winds decreasing (fresh winds from the E on Wed afternoon, calm by Thu afternoon).

Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
3
3
3
4
2
2
4
3
4
4
3
2
4
4
4
4
4
4
2
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
SSW
11
1.6
SW
12
2.1
SW
12
2.1
SW
11
2.1
SW
13
1.8
SW
12
1.6
SW
12
1.6
SW
11
1.6
SSW
14
2.5
SW
14
2.5
SW
14
1.7
S
15
1.8
SSW
12
1.9
SSW
12
1.9
SSW
12
1.8
SSW
12
1.6
SSW
12
1.6
S
11
1.4
S
11
1.5
E
10
0.9
SW
14
Wave Graph
Metric surfscale
Energy kJ
739
660
1121
1053
1352
1019
638
606
1072
2756
2704
1368
980
1080
1071
857
705
652
493
441
346
Wind (km/h)
30
W
15
WSW
10
WNW
10
S
5
SE
5
N
10
SW
10
SW
5
N
5
S
10
SE
15
ENE
20
E
35
E
15
ENE
5
ESE
0
ESE
5
N
5
ESE
15
E
20
N
Wind State
cross-on
cross-on
cross
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-off
cross-off
High Tide
12:37PM1.04m
00:51AM1.16m
1:37PM1.19m
1:41AM1.29m
2:11PM1.34m
2:15AM1.43m
2:39PM1.49m
2:44AM1.55m
3:06PM1.63m
3:12AM1.65m
3:32PM1.75m
3:40AM1.72m
3:59PM1.84m
4:08AM1.76m
Low Tide
6:39PM0.79m
7:27AM0.63m
7:40PM0.65m
8:02AM0.49m
8:15PM0.51m
8:30AM0.35m
8:44PM0.38m
8:56AM0.23m
9:11PM0.26m
9:21AM0.12m
9:39PM0.16m
9:46AM0.05m
10:07PM0.09m
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
6:58
6:56
6:56
6:54
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:04
6:04
6:05
6:06
6:06
 mm
Temp °C
15
17
15
16
16
13
16
16
13
15
16
14
18
20
16
21
22
22
25
28
32
Feels °C
10
12
13
15
14
13
15
15
13
14
15
13
15
15
11
20
22
21
23
26
27
  • 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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