Thermopylae Surf Break

Lat Long: 33.90° S 18.40° E

Thermopylae 48 hour detailed Surf Forecast

Issued: 1 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Thermopylae sea temperature is
13.3° C
2.1° 

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


How big are the waves at Thermopylae today (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 7ft (2.2m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 5ft (1.5m), 12s period with SSW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 3.5ft (1.1m), 23s period with SW swell.

The current surf forecast for Thermopylae at 4AM is: 2.5m 13s primary swell from a South direction and 0.5m 11s secondary swell from a West-southwest direction, 1.8m 7s secondary swell from a Southeast direction (forecast issued at 01:00am August 11). The wind direction is predicted to be offshore and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (11 Aug)7ft (2.2m)13s
Afternoon (11 Aug)5ft (1.5m)12s
Evening (11 Aug)3.5ft (1.1m)23s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Thu afternoon, min 11°C on Tue morning). Wind will be generally light.

Tuesday
11
Wednesday
12
Thursday
13
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)
6
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
4
3
4
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)
3
S
13
2.5
S
13
2.4
SSW
13
2.1
S
12
1.6
SSW
12
1.3
SSW
12
0.9
WSW
23
1.2
SW
22
1.4
SW
21
1.6
SW
20
1.7
SW
19
1.9
SW
18
1.7
SW
18
1.9
SW
17
2
SW
17
1.9
SW
17
1.9
SW
16
2
SW
16
2
WSW
16
2.4
SW
17
2.3
SW
17
2.2
SW
16
2.1
WSW
16
2.1
WSW
16
Wave Graph
Metric surfscale
Energy kJ
3337
2187
1780
1292
725
483
947
1414
1850
1922
2184
2223
1839
2238
2293
2037
1916
1985
1977
3307
3039
2379
2075
2049
Wind (km/h)
15
ESE
10
ESE
10
ESE
10
ESE
10
SE
10
ESE
10
ESE
10
ESE
15
ESE
15
ESE
10
E
15
E
5
ESE
10
ESE
15
ESE
15
ESE
15
ESE
15
E
15
ENE
20
NE
25
NE
5
WNW
5
NE
15
NNE
Wind State
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-on
cross-off
cross-off
High Tide
2:07AM1.66m
2:36PM1.73m
2:54AM1.73m
3:18PM1.83m
3:36AM1.77m
3:58PM1.88m
Low Tide
8:24AM0.35m
8:50PM0.36m
9:06AM0.27m
9:33PM0.28m
9:45AM0.24m
10:13PM0.26m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
part cloud
clear
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:28
7:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:13
6:14
6:14
 mm
Temp °C
11
11
11
12
16
17
16
15
14
14
14
16
20
21
20
21
21
20
19
21
25
22
20
19
Feels °C
8
8
8
9
14
14
13
12
10
10
10
12
18
18
16
17
17
16
15
17
19
20
18
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 Thermopylae 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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