Thermopylae Surf Break

Lat Long: 33.90° S 18.40° E

Thermopylae 48 hour detailed Surf Forecast

Issued: 7 am 24 Sep 2026 (local time)

Forecast update in  hr  min

Today's Thermopylae sea temperature is
13.9°C
1.9° 

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 (24 Sep):

  • Morning surf: Morning surf (24 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (24 Sep, local time) - 5ft (1.6m), 14s period with SSW swell.
  • Evening surf: Evening surf (24 Sep, local time) - 6ft (1.9m), 13s period with SSW swell.

The current surf forecast for Thermopylae at 12PM is: 1.3m 15s primary swell from a South-southwest direction and 0.8m 7s secondary swell from a South-southeast direction (forecast issued at 07:00am September 24). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (24 Sep)2.5ft (0.8m)16s
Afternoon (24 Sep)5ft (1.6m)14s
Evening (24 Sep)6ft (1.9m)13s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sat morning. Warm (max 20°C on Fri night, min 14°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the SSE by Sat night).

Thursday
24
Friday
25
Saturday
26
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
1
3
4
3
4
4
4
4
3
2
3
3
2
3
4
3
4
4
3
2
3
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
SE
7
0.8
SSW
16
1.2
SSW
16
1.6
SSW
15
1.8
SW
14
1.9
SSW
13
2
SSW
13
1.9
SSW
13
1.8
SW
12
1.7
SW
12
1.7
SW
12
1.6
SW
12
1.6
SW
12
1.5
SW
12
1.5
SW
12
1.4
SW
12
1.3
SW
16
2.1
SW
15
2.1
SW
15
2.2
SW
15
2.2
SW
14
2.1
SW
14
2.1
SW
14
Wave Graph
Metric surfscale
Energy kJ
268
295
706
1038
1267
1253
1309
1126
964
850
822
747
683
604
614
505
783
1958
2102
2027
1972
1836
1712
Wind (km/h)
5
WNW
10
NNW
5
WNW
5
WSW
10
SSW
5
SW
0
SSW
5
SW
0
SW
5
SSE
10
S
10
SW
15
ENE
5
SSW
10
SSE
10
SSE
10
S
15
SSE
10
SSE
15
SSE
20
S
25
SSE
25
SSE
Wind State
glassy
cross
on
cross-on
cross
glassy
glassy
glassy
glassy
glassy
cross
cross-on
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross
cross-off
cross-off
High Tide
2:06PM1.68m
2:22AM1.64m
2:34PM1.78m
2:53AM1.72m
3:03PM1.85m
Low Tide
7:54AM0.47m
8:17PM0.40m
8:23AM0.39m
8:46PM0.30m
8:53AM0.32m
9:16PM0.24m
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:44
6:45
 mm
1
1
2
2
Temp °C
17
15
18
18
17
17
16
16
15
15
18
18
18
20
17
17
17
16
16
16
17
16
15
Feels °C
18
15
19
19
17
18
18
17
16
16
17
18
17
20
16
16
17
15
15
14
15
13
11
  • 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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