Thermopylae Surf Break

Lat Long: 33.90° S 18.40° E

Thermopylae 48 hour detailed Surf Forecast

Issued: 1 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Thermopylae sea temperature is
13.2°C
2.4° 

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) - 8ft (2.5m), 8s period with SSE swell.

The current surf forecast for Thermopylae at 9PM is: 2.5m 8s primary swell from a South-southeast direction and 0.5m 11s secondary swell from a West-southwest direction, 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 01:00pm September 04). 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)8ft (2.5m)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 (strong winds from the SE on Fri afternoon, light winds from the ENE by Sun night).

Fri
4
Saturday
5
Sunday
6
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)
1
0
0
1
1
2
2
2
2
2
2
2
2
5
5
5
5
4
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
SSE
9
3
SSE
9
3.5
SSE
8
3
SSE
8
2.4
SSE
8
2.4
SSE
8
2.2
SSE
8
2.2
SSE
8
2.1
SSE
8
1.9
SSE
8
2.3
SSE
8
2.5
SSE
8
1.3
SW
22
1.7
SW
21
2.1
SW
20
2.3
SW
18
2.3
SW
18
2.1
SW
16
2
SW
16
1.8
SW
16
1.8
SW
15
Wave Graph
Metric surfscale
Energy kJ
942
1152
1375
1094
734
680
575
627
593
464
622
919
1528
2460
3370
3302
3122
2220
1978
1664
1460
Wind (km/h)
40
SE
45
SE
50
SE
35
SE
30
SE
25
ESE
20
SE
20
SE
20
ESE
20
SSE
20
SE
25
SE
25
SE
20
ESE
15
ESE
15
ESE
15
SE
10
S
10
SSE
10
ESE
10
ESE
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
off
off
off
cross-off
cross
cross-off
cross-off
cross-off
High Tide
8:01AM1.33m
8:36PM1.38m
9:45AM1.27m
10:31PM1.33m
11:38AM1.35m
Low Tide
2:06PM0.74m
3:24AM0.73m
4:12PM0.79m
5:18AM0.70m
6:02PM0.70m
clear
clear
clear
clear
clear
clear
clear
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>
7:00
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:30
 mm
Temp °C
15
17
17
14
13
12
11
11
15
19
21
17
14
14
14
14
19
23
25
24
22
Feels °C
7
7
7
7
7
7
6
6
10
15
16
12
9
11
11
12
17
21
23
22
20
  • 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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