Thompsons Bay Surf Break

Lat Long: 29.53° S 31.22° E

Thompsons Bay 48 hour detailed Surf Forecast

Issued: 7 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Thompsons Bay sea temperature is
21.6° C
0.3° 

Thompsons 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 Thompsons Bay today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 5ft (1.5m), 14s period with S swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 4ft (1.2m), 13s period with S swell.
  • Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.0m), 12s period with S swell.

The current surf forecast for Thompsons Bay at 11AM is: 1.4m 14s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a East direction (forecast issued at 07:00am August 21). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (21 Aug)5ft (1.5m)14s
Afternoon (21 Aug)4ft (1.2m)13s
Evening (21 Aug)3.5ft (1.0m)12s

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


Short Range Forecast

Mostly dry. Warm (max 34°C on Sat afternoon, min 16°C on Sun night). Winds increasing (calm on Fri morning, strong winds from the SSW by Sat night).

Friday
21
Saturday
22
Sunday
23
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)
3
3
0
0
1
1
1
1
1
1
0
1
0
0
0
0
0
0
0
0
1
1
2
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)
1.7
S
15
1.6
S
14
1.4
SSW
14
1.2
S
13
1.1
S
13
1.1
S
12
1
S
12
0.9
SSW
11
0.9
S
11
0.8
S
13
0.8
S
14
0.7
S
13
1.3
SSW
14
2.5
SSW
6
3.5
SSW
8
3.5
SSW
9
3
S
10
2.5
S
10
2.3
S
10
2.5
SSW
9
2.3
SSW
9
1.7
S
9
1.5
S
10
Wave Graph
Metric surfscale
Energy kJ
1332
1033
733
506
398
374
294
217
209
215
239
158
651
471
1387
2143
1955
1449
972
1060
901
471
407
Wind (km/h)
10
N
5
NNW
15
ENE
20
E
10
E
10
NE
10
NNE
15
NNE
15
N
15
NNE
20
NE
15
NNE
45
SSW
45
SSW
40
SSW
35
SSW
25
SW
30
SSW
30
S
25
S
15
S
10
SW
10
WNW
Wind State
cross-off
glassy
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross
cross
cross-on
cross
cross
cross-on
cross-on
cross-on
cross
cross-off
High Tide
8:20AM1.10m
9:26PM1.10m
12:05PM1.03m
00:56AM1.14m
1:46PM1.18m
Low Tide
2:22AM0.74m
2:38PM0.79m
4:44AM0.84m
6:12PM0.85m
7:29AM0.73m
7:45PM0.71m
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:34
5:35
 mm
Temp °C
17
17
19
19
19
19
19
18
17
18
28
34
27
20
19
19
18
18
20
19
19
18
17
Feels °C
17
18
18
17
19
20
20
18
16
17
25
31
19
13
12
12
12
12
14
15
18
18
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 Thompsons 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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