Fish Boma Surf Break

Lat Long: 34.07° S 22.95° E

Fish Boma Surf Forecast and Surf Report

Issued: 1 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Fish Boma sea temperature is
14.0° C
3.2° 

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 16 Aug 2026:

  • Best quality surf: Thursday 20 Aug, 8AM (local time) - 10ft (3.0m), 13s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 23 Aug, 11AM (local time) - 16ft (5.0m), 15s period, SSW swell with 11,322 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 8PM (local time) - 4.5ft (1.4m), 15s 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 16) at 8PM. The primary swell is predicted to be 1.4m and 15s period with a secondary swell of 0.6m and 7s. 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 5.0m 15s and forecast to arrive on Sunday (Aug 23) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Friday (Aug 21) at 11AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 16th Aug)4.5ft (1.4m) 15s
Best Surf 8AM (Thu 20th Aug)10ft (3.0m) 13s
Most Powerful11AM (Sun 23rd Aug)16ft (5.0m) 15s

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


The Lowdown

G’day, Rusty here. Let’s get straight into it. We’ve got one spot on the radar for the next couple of weeks, and it’s looking like a proper run of surf if you pick your moments.

The overall pattern is a classic pulse of good, solid South swell set to roll in, with some absolute gems of clean conditions early on, followed by a messy middle stretch, and then a promising, juicy finish at the very end of the month. The water is sitting at a very unusual 57° at Fish Boma, which is a massive 6° colder than normal for this time of year—that’s seriously chilly, so factor in a thick steamer if you’re heading out.

The standout window kicks off this Sunday, 16th August afternoon. The wave energy is moderate (608) but the conditions are magic—completely glassy with 4 ft of SW groundswell pumping in at a solid 12-second period. The reef will be clean and lined up. A very good start.

Monday, 17th August is the real highlight. The swell jumps to 7 ft from the SW, period hitting 13 seconds, and the wind is glassy out of the ESE in the morning. The combined energy is strong (1793), and the water’s still clean as a whistle. This is excellent surf for experienced surfers—not for beginners at that size, but for anyone who knows what they’re doing, this is the best on offer. The afternoon holds strong too at 6 ft, glassy again.

Tuesday the 18th has a bit of a cross-on wind in the morning, but the afternoon glass-off with 8 ft SW swell (1747) is a beauty. A solid backup session.

Then it gets messy. From Wednesday 19th right through to Saturday 23rd, the wind shifts cross-on and stays that way. The swell is big—12 ft on Thursday 20th (energy at 4048)—but it’s messy, choppy, and not clean. The water is too rough for paddle surfing; honestly, this stretch with the strong winds and big, lumpy swell is more work for a kite surfer than a surfer on a stick. There’s a massive spike on Sunday 23rd with 16 ft and 15-second period (energy over 10000), but it’s cross-on wind and poor quality.

A quiet gap follows from late Monday 25th through to the end of the month, with clean but much smaller waves—around 3 ft to 6 ft—mostly from the SSE. The wind turns cross-off on the 25th and 26th, so the surf is clean but on the smaller side for the accomplished crew.

Monday, 31st August has a cracking last shot. A solid 12 ft SW swell returns, period 14 seconds, combined energy 4598, and clean offshore wind out of the east. That’s a big, powerful groundswell—best on the reef at Fish Boma where it will actually line up and not just close out. That’s your final standout: big, clean, and for experts only. The afternoon holds 10 ft as well, though the wind picks up a little.

So to sum it up: Monday 17th August morning is the absolute top pick—glassy, solid 7 ft, perfect conditions. The Monday 31st August morning is the long-range standout—big, clean, powerful, but less certain this far out.

Crowds are always a possibility here, so get in early.

Stay salty.
Rusty.

Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon morning, min 13°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Fri afternoon, min 12°C on Wed night). Wind will be generally light.

Sun
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
4
4
4
4
3
4
4
3
2
3
4
4
4
3
3
2
2
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SW
12
1.7
SW
15
2.1
SW
13
1.9
SW
13
1.6
SW
14
1.9
SW
13
2.3
SW
13
2.5
SW
12
2.5
SW
12
2.3
SW
12
2.2
SW
12
3.5
SSW
13
3
SW
13
2.5
SW
12
2.2
SW
12
2
SSW
11
1.8
SW
11
1.5
SW
11
2.4
SW
11
4.5
SW
12
Wave Graph
Metric surfscale
Energy kJ
428
1246
1613
1182
990
1266
1697
2111
1890
1602
1415
4041
3652
2068
1346
1008
757
515
1302
6717
Wind (km/h)
0
W
5
NNW
5
ESE
5
SSE
10
NW
10
WSW
5
S
10
ENE
10
WSW
15
WSW
10
WNW
5
WSW
10
SSE
10
ENE
5
ESE
5
ESE
15
WNW
10
W
10
W
30
WSW
Wind State
glassy
cross-off
glassy
glassy
cross-off
cross-on
glassy
cross-off
cross-on
cross-on
cross
cross-on
cross-on
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
5:57PM1.78m
6:08AM1.54m
6:27PM1.64m
6:38AM1.41m
6:58PM1.48m
7:10AM1.26m
7:31PM1.31m
7:49AM1.12m
8:20PM1.16m
9:23AM1.00m
10:47PM1.07m
12:37PM1.04m
00:51AM1.16m
Low Tide
00:10AM0.22m
12:09PM0.23m
00:40AM0.35m
12:38PM0.38m
1:11AM0.49m
1:08PM0.53m
1:49AM0.63m
1:47PM0.68m
2:58AM0.75m
3:17PM0.82m
6:04AM0.77m
6:39PM0.79m
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:03
7:03
7:01
7:01
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:59
6:00
6:00
6:00
6:01
6:01
 mm
2
Temp °C
17
14
19
19
15
15
15
14
17
16
14
15
15
13
17
19
15
18
18
16
Feels °C
15
13
18
17
15
15
15
13
16
14
13
14
13
12
16
18
14
17
15
12
  • 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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