Fish Boma Surf Break

Lat Long: 34.07° S 22.95° E

Fish Boma Surf Forecast and Surf Report

Issued: 7 pm 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's Fish Boma sea temperature is
16.4° C
0.6° 

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 8 Aug 2026:

  • Best quality surf: Thursday 13 Aug, 2PM (local time) - 7ft (2.2m), 19s period, SSW swell with offshore winds.
  • Most powerful swell: Sunday 9 Aug, 5AM (local time) - 11ft (3.5m), 13s period, SW swell with 4,117 kJ wave energy.
  • Next surfable swell (1★+): Monday 10 Aug, 8PM (local time) - 7.5ft (2.3m), 10s period with S 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 8PM. The primary swell is predicted to be 2.3m and 10s period with a secondary swell of 1.6m and 11s. 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 13s and forecast to arrive on Sunday (Aug 09) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (Aug 15) at 5AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Mon 10th Aug)7.5ft (2.3m) 10s
Best Surf 2PM (Thu 13th Aug)7ft (2.2m) 19s
Most Powerful 5AM (Sun 9th Aug)11ft (3.5m) 13s

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


The Lowdown

Alright folks, Rusty here. Let's have a look at what's on the cards for Fish Boma over the next couple of weeks.

The overall pattern is a bit of a slow burner. We've got a heap of energy in the water, but for the first week or so, the wind is just going to mess it up. You'll see solid swell on the charts, but the conditions are going to be a write-off for a good few days. The first real chance of anything decent doesn't roll around until we get a bit further into the period.

For the opening days, from Sunday the 9th right through to Tuesday the 11th, it’s a write-off. We're looking at strong onshore and cross-shore winds with swell heights between 6.9 ft and 11.5 ft. The combined energy is strong to very strong, peaking at 6292 on Sunday afternoon, but it's all for nothing with that wind. It's going to be a messy, lumpy, choppy mess. Not worth paddling out.

Things start to look up on Wednesday morning, the 12th. The wind swings around to a light cross-offshore breeze, and while the swell drops to 4.6 ft, the period jumps to a very long 20 seconds from the SSW. The energy is still moderate-strong (2247). This is clean, but the tide might be a bit tricky. It’s one for the experienced crew only, as that long period groundswell will be a bit shifty on the reef.

The standout window is from Thursday the 13th through to the morning of Friday the 14th. This is the pick of the forecast. Thursday morning is the absolute jewel. We’ve got a clean 5.6 ft swell from the SSW with a long 19-second period, combined with a true offshore wind from the NNE. The energy is massive (4416), and the text says it’s excellent for experienced surfers. Thursday afternoon holds clean with a 7.2 ft SW swell (17 seconds), and Friday morning follows up with another clean session, offshore wind, and a 4.6 ft SW swell (16 seconds). The water temp is about average for this time of year.

Friday afternoon on the 14th is also a gem – glassy conditions with a 3.9 ft SW swell and a 15-second period. The energy is moderate (930), but that glassy surface will make it feel like butter. A top session for a log or a mid-length. Just be aware that crowds are *sometimes* a thing here, so get on it early.

After that, it all gets a bit small and onshore again for the weekend of the 15th and 16th. Swell drops below 3.6 ft with light cross-on breezes, not really worth the hassle. Monday the 17th sees the swell bump back up to 5.2-6.9 ft with long periods, but the wind is a light cross-on again, so it’s marginal.

Tuesday the 18th offers another great session. Morning glass and a clean 5.6 ft SW swell (13 seconds). The energy is moderate (1186). Afternoon stays glassy with a 4.6 ft swell. That morning window looks excellent.

From Wednesday the 19th onward, the wind goes back onshore, and while there's still plenty of swell (7.2 ft to 9.8 ft) with moderate to strong energy (1725 on Wednesday afternoon), it's going to be choppy and messy. The swell period also drops significantly on Wednesday to a short 7 seconds, so it’ll be weak and lumpy. The final real chance to score comes on Friday the 21st of August. The morning session shows a clean 7.2 ft SSW swell with a moderate 11-second period and a cross-offshore breeze. It's still a bit big, but the conditions are clean.

Short Range Forecast

Heavy rain (total 40mm), heaviest during Sun morning. Very mild (max 16°C on Tue afternoon, min 11°C on Sun morning). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Fri afternoon, min 10°C on Tue night). Winds decreasing (fresh winds from the E on Tue night, light winds from the NNE by Fri afternoon).

Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
0
2
1
3
5
3
1
4
4
3
5
5
5
4
4
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
SW
14
3
SW
13
3.5
SSW
12
3
SW
12
2.5
SSW
11
2.1
S
10
3
S
14
2.5
S
13
1.7
SSW
12
0.9
SSW
23
1.4
SSW
20
1.6
SSW
18
1.8
SSW
17
1.7
SSW
19
2.2
SW
17
1.7
SW
16
1.4
SW
16
1.2
SW
15
1.1
SW
14
Wave Graph
Metric surfscale
Energy kJ
4081
2658
3508
2110
1517
847
3755
2318
789
738
1544
1609
1978
2001
2778
1456
967
606
453
Wind (km/h)
20
SW
20
WSW
25
S
10
SW
20
S
15
ESE
15
E
15
E
30
ESE
15
ENE
10
ENE
15
ENE
15
NE
15
NNE
10
ENE
15
NNE
15
NNE
5
NNE
15
N
Wind State
on
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
off
off
cross-off
off
off
glassy
off
High Tide
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
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
rain showers
mod rain
mod rain
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:13
7:11
7:11
7:09
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:53
5:54
5:54
5:55
5:57
 mm
6
9
7
8
4
3
3
Temp °C
15
11
13
13
13
13
13
14
16
13
16
21
19
22
25
23
24
27
24
Feels °C
13
7
7
8
9
9
10
10
10
7
12
17
15
17
21
19
20
23
20
  • 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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