Bonza Bay Surf Break

Lat Long: 32.99° S 27.94° E

Bonza Bay 48 hour detailed Surf Forecast

Issued: 1 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Bonza Bay sea temperature is
17.8° C
2.0° 

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


How big are the waves at Bonza Bay today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 3ft (0.9m), 10s period with E swell.
  • Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.

The current surf forecast for Bonza Bay at 4PM is: 0.8m 10s primary swell from a East direction and 0.4m 15s secondary swell from a South-southwest direction, 0.9m 5s secondary swell from a South-southwest direction (forecast issued at 01:00pm August 18). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Aug)2.5ft (0.7m)16s
Afternoon (18 Aug)3ft (0.9m)10s
Evening (18 Aug)2.5ft (0.8m)14s

Table - waves today at Bonza Bay. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 21°C on Wed morning, min 15°C on Wed morning). Winds increasing (calm on Tue night, fresh winds from the WSW by Wed night).

Tue
18
Wednesday
19
Thursday
20
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
1
3
2
2
2
2
2
1
1
1
1
1
2
!
1
2
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
E
10
0.9
E
10
0.8
E
10
0.8
SSW
14
1.3
SSW
14
1.3
SSW
14
1.4
SSW
13
1.4
SSW
13
1.3
SSW
13
1.3
SSW
14
1.3
SSW
13
1.3
SSW
13
1.1
SSW
13
0.9
SSW
13
0.9
SSW
12
1.9
SW
8
3
SW
12
2.1
SSW
15
2.3
SSW
14
2.2
SSW
14
2
SSW
13
Wave Graph
Metric surfscale
Energy kJ
186
148
117
210
597
649
683
663
547
615
563
547
384
289
271
392
2397
1822
2027
1715
1359
Wind (km/h)
15
SW
20
SSW
20
SSW
10
SW
5
W
10
NE
15
NE
20
NE
10
NE
5
SSE
20
SW
30
WSW
30
WSW
30
WSW
30
WSW
20
W
20
SW
20
SSW
15
S
5
S
5
NNW
Wind State
cross
cross
cross
cross
glassy
cross
cross
cross-off
cross
on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
glassy
glassy
High Tide
7:05PM1.75m
7:10AM1.57m
7:38PM1.60m
7:47AM1.43m
8:23PM1.45m
Low Tide
12:42PM0.60m
1:11AM0.76m
1:14PM0.75m
1:49AM0.88m
1:53PM0.90m
part cloud
cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:42
5:42
 mm
Temp °C
19
18
17
17
17
16
16
15
21
21
19
16
16
16
15
15
17
17
17
16
16
Feels °C
17
15
14
16
18
16
15
13
20
21
17
10
11
10
10
11
13
13
15
16
16
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bonza Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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