Thompsons Bay Surf Break

Lat Long: 29.53° S 31.22° E

Thompsons Bay 48 hour detailed Surf Forecast

Issued: 1 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Thompsons Bay sea temperature is
20.4°C
1.1° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 4.5ft (1.3m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.3m), 10s period with E swell.
  • Evening surf: Evening surf (17 Sep, local time) - 8ft (2.5m), 8s period with SSE swell.

The current surf forecast for Thompsons Bay at 5AM is: 2.0m 7s primary swell from a South direction and 1.3m 10s secondary swell from a East direction, 0.4m 15s secondary swell from a Southwest direction (forecast issued at 01:00am September 17). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (17 Sep)4.5ft (1.3m)10s
Afternoon (17 Sep)4.5ft (1.3m)10s
Evening (17 Sep)8ft (2.5m)8s

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


Short Range Forecast

Heavy rain (total 64mm), heaviest during Thu night. Warm (max 20°C on Sat afternoon, min 16°C on Thu morning). Winds decreasing (strong winds from the SSW on Thu night, calm by Fri night).

Thursday
17
Friday
18
Saturday
19
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
2
3
2
2
1
0
0
2
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)
1.4
E
10
2
S
7
1.3
E
10
1.3
E
10
1.3
E
10
2.2
S
8
2.5
SSE
8
2.5
SSE
8
2.4
SSE
8
3
SSE
8
3.5
SE
9
3
SE
9
3
SE
9
3
SE
9
2.5
SE
9
2.5
SE
9
2.5
SE
9
2.3
ESE
9
2.2
ESE
9
2
ESE
9
1.9
ESE
9
1.9
ESE
9
1.7
ESE
8
1.7
ESE
8
Wave Graph
Metric surfscale
Energy kJ
394
366
340
340
347
567
867
919
763
1073
1907
1645
1404
1228
1202
1151
1034
864
749
615
562
512
432
432
Wind (km/h)
30
SSW
30
SW
25
SW
25
SW
20
WSW
40
SW
45
SSW
40
SSW
40
SSW
35
S
30
S
25
S
20
S
15
SSE
15
S
10
SSW
5
WSW
5
WSW
5
WNW
5
E
15
ENE
15
ENE
10
NNE
10
NNW
Wind State
cross
cross
cross
cross
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-off
cross-off
High Tide
6:21AM1.47m
6:34PM1.43m
6:46AM1.30m
7:00PM1.26m
7:19AM1.13m
7:45PM1.09m
Low Tide
00:19AM0.38m
12:26PM0.45m
00:45AM0.53m
12:53PM0.62m
1:19AM0.70m
1:29PM0.80m
cloud
light rain
light rain
light rain
light rain
mod rain
mod rain
mod rain
mod rain
mod rain
mod rain
light rain
light rain
light rain
light rain
rain showers
light rain
cloud
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:47
5:49
 mm
1
1
1
2
8
9
10
8
7
6
2
2
4
2
1
1
Temp °C
18
17
16
16
16
16
16
16
17
16
17
17
17
17
17
17
17
17
17
19
19
20
19
18
Feels °C
13
13
12
12
13
10
9
10
11
10
13
14
15
15
16
17
17
18
18
19
18
19
20
18
  • 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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