Thermopylae Surf Break

Lat Long: 33.90° S 18.40° E

Thermopylae 48 hour detailed Surf Forecast

Issued: 7 pm 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Thermopylae sea temperature is
13.0°C
2.6° 

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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 10ft (3.0m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 10ft (3.0m), 8s period with SSE swell.
  • Evening surf: Evening surf (04 Sep, local time) - 10ft (3.0m), 8s period with SSE swell.

The current surf forecast for Thermopylae at 2AM is: 3.5m 9s primary swell from a South-southeast direction and 1.0m 12s secondary swell from a West-southwest direction (forecast issued at 07:00pm September 03). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (04 Sep)10ft (3.0m)9s
Afternoon (04 Sep)10ft (3.0m)8s
Evening (04 Sep)10ft (3.0m)8s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 11°C on Fri night). Winds decreasing (near gales from the SE on Thu night, light winds from the S by Sun afternoon).

Thu
3
Friday
4
Saturday
5
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
0
1
1
1
0
1
1
2
2
2
2
2
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
S
9
3
SSE
9
3
SSE
9
3.5
SSE
9
3.5
SSE
9
3
SSE
9
2.5
SSE
9
3
SSE
9
3.5
SSE
8
3
SSE
8
2.5
SSE
8
2.5
SSE
8
2.3
SSE
8
2.2
SSE
8
2.2
SSE
8
2.2
SSE
8
2.3
SSE
8
2.5
SSE
8
1.1
SW
22
Wave Graph
Metric surfscale
Energy kJ
1535
1437
1437
1819
1965
1599
1151
1183
1410
1122
876
779
654
643
620
620
666
887
1189
Wind (km/h)
50
SE
45
SE
50
SE
50
SE
50
SE
40
SE
45
SE
45
SE
45
SE
35
SE
30
SE
25
SE
20
SE
20
SE
20
SE
20
SE
25
SE
25
SE
25
SE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:19PM1.51m
8:01AM1.33m
8:36PM1.38m
9:45AM1.27m
10:31PM1.33m
Low Tide
1:46AM0.64m
2:06PM0.74m
3:24AM0.73m
4:12PM0.79m
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:30
6:30
 mm
Temp °C
15
15
14
14
14
12
15
17
17
13
13
12
11
11
15
20
21
17
14
Feels °C
6
6
4
4
3
3
6
7
7
6
7
7
7
7
10
15
16
12
10
  • 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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