Thermopylae Surf Break

Lat Long: 33.90° S 18.40° E

Thermopylae 48 hour detailed Surf Forecast

Issued: 7 am 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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 6ft (1.8m), 13s period with WSW swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 10ft (3.0m), 9s period with S swell.
  • Evening surf: Evening surf (03 Sep, local time) - 10ft (3.0m), 9s period with SSE swell.

The current surf forecast for Thermopylae at 12PM is: 1.6m 12s primary swell from a West-southwest direction and 1.2m 9s secondary swell from a South direction, 1.5m 9s secondary swell from a South direction (forecast issued at 07:00am September 03). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (03 Sep)6ft (1.8m)13s
Afternoon (03 Sep)10ft (3.0m)9s
Evening (03 Sep)10ft (3.0m)9s

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


Short Range Forecast

Some drizzle, heaviest during Thu afternoon. Warm (max 21°C on Sat afternoon, min 11°C on Fri night). Mainly near gales.

Thursday
3
Friday
4
Saturday
5
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)
4
4
4
0
0
0
0
0
0
1
1
1
0
2
1
1
2
2
2
2
2
3
3
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)
2
WSW
13
1.9
WSW
13
1.7
WSW
13
3
S
9
3
S
9
3
SSE
9
3
SSE
9
3
SSE
9
3.5
SSE
9
3
SSE
9
2.5
SSE
9
3
SSE
9
3
SSE
8
3
SSE
8
2.5
SSE
8
2.4
SSE
8
2.3
SSE
8
2.2
SSE
8
2.1
SSE
8
2.1
SSE
8
2.2
SSE
8
2.5
SSE
8
1
SW
22
Wave Graph
Metric surfscale
Energy kJ
1301
1116
853
1204
1636
1469
1347
1655
1723
1435
1121
1152
1301
1094
876
716
666
643
558
579
605
878
932
Wind (km/h)
10
NNE
10
ENE
10
SE
50
SSE
45
SE
45
SE
50
SE
50
SE
45
SE
40
SE
45
SE
45
SE
50
SE
35
SE
25
SE
25
ESE
20
SE
20
SE
20
SE
20
SE
20
SE
25
SE
25
ESE
Wind State
cross-off
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
cross-off
cross-off
cross-off
High Tide
6:55AM1.44m
7:19PM1.51m
8:01AM1.33m
8:36PM1.38m
9:45AM1.27m
10:31PM1.33m
Low Tide
12:52PM0.62m
1:46AM0.64m
2:06PM0.74m
3:24AM0.73m
4:12PM0.79m
clear
clear
clear
light rain
cloud
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>
7:01
7:01
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:30
6:30
 mm
1
Temp °C
12
12
15
14
15
14
14
14
13
12
14
17
16
13
12
12
11
11
15
19
21
17
14
Feels °C
10
10
13
4
6
5
5
4
4
3
5
8
6
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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