Bonza Bay Surf Break

Lat Long: 32.99° S 27.94° E

Bonza Bay 48 hour detailed Surf Forecast

Issued: 7 am 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 11AM is: 1.0m 10s primary swell from a East direction and 0.7m 10s secondary swell from a South-southwest direction, 0.7m 5s secondary swell from a Southwest direction (forecast issued at 07:00am 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 night). Winds increasing (calm on Tue night, fresh winds from the WSW by Wed night).

Tuesday
18
Wednesday
19
Thursday
20
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
2
0
0
0
1
3
2
2
2
2
2
1
1
1
1
1
1
2
0
1
4
4
Swell
Height Map
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
0.7
SW
16
1
E
10
0.9
E
10
0.8
E
10
0.8
SSW
14
1.2
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
1.2
SSW
13
1
SSW
13
0.9
SSW
12
0.9
SSW
12
1.8
SW
8
2.5
SSW
14
2.2
SSW
14
2.2
SSW
14
2
SSW
13
Wave Graph
Metric surfscale
Energy kJ
194
245
186
148
117
210
512
659
683
663
547
615
563
577
461
350
271
234
418
2589
1807
1730
1339
Wind (km/h)
15
WSW
15
WSW
15
SW
20
SSW
20
SSW
10
SW
0
SSW
10
NE
15
NE
20
NNE
10
NE
10
ESE
15
SSW
30
WSW
35
WSW
30
WSW
30
WSW
20
W
20
WSW
20
SSW
15
S
5
ESE
5
N
Wind State
cross-off
cross-off
cross
cross
cross
cross
glassy
cross
cross
cross-off
cross
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
glassy
cross-off
High Tide
6:40AM1.70m
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
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
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
16
16
18
18
17
17
17
16
16
16
21
21
20
17
16
16
15
15
18
18
17
17
16
Feels °C
14
14
16
15
14
17
18
15
15
14
20
21
19
12
11
10
9
11
14
14
14
17
15
  • 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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