Thermopylae Surf Break

Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 7 pm 28 Jun 2026 (local time)

Forecast update in  hr  min

Today's Thermopylae sea temperature is
13.8° C

2.1°C colder than average for this time of year

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 (28 Jun):

  • Afternoon surf: Afternoon surf (28 Jun, local time) - 15ft (4.5m), 12s period with WSW swell.
  • Evening surf: Evening surf (28 Jun, local time) - 13ft (4.0m), 12s period with WSW swell.

The current surf forecast for Thermopylae at 11PM is: 5.0m 16s primary swell from a West-southwest direction and 4.5m 16s secondary swell from a West-southwest direction (forecast issued at 07:00pm June 28). The wind direction is predicted to be onshore and the swell rating is 11.

Time (SAST) & DateWave HeightWave Period
Morning (28 Jun)--
Afternoon (28 Jun)15ft (4.5m)12s
Evening (28 Jun)13ft (4.0m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Sun night. Very mild (max 14°C on Sun night, min 10°C on Tue morning). Wind will be generally light.

Sun
28
Monday
29
Tuesday
30
Wed
1
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
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
!
0
6
6
7
5
6
4
4
5
4
4
4
3
3
4
4
4
4
4
4
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)
4
WSW
11
3
SW
16
5
WSW
16
4.5
WSW
15
4.5
SW
14
4
SW
14
4
SW
14
4
SW
14
3.5
SW
14
3.5
SW
13
3.5
SW
13
3
SW
13
3
SW
13
3
SW
13
2.5
SW
12
2.5
SW
12
2.4
SW
12
2.3
SW
12
2.2
SW
12
2
SW
12
1.9
SW
12
1.8
SW
12
2
SSW
11
2.3
SSW
11
Wave Graph
Metric surfscale
Energy kJ
4375
4214
11546
9151
7717
6756
6397
5879
5319
4332
3732
3422
2929
2702
2212
1922
1665
1550
1369
1094
997
836
971
1281
Wind (km/h)
30
W
25
WSW
25
W
25
WSW
15
SSW
10
S
10
SSE
15
S
15
SSE
15
SSE
15
SE
10
ESE
10
ESE
5
ESE
5
SE
10
S
10
S
15
SSE
15
SE
10
SE
10
SE
10
SE
15
SSE
20
SSE
Wind State
on
cross-on
on
cross-on
cross-on
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:49PM1.50m
2:48AM1.54m
3:23PM1.55m
3:22AM1.56m
3:55PM1.58m
3:55AM1.56m
Low Tide
8:44PM0.63m
9:03AM0.46m
9:19PM0.60m
9:35AM0.43m
9:54PM0.57m
10:06AM0.42m
mod rain
light rain
part cloud
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:52
7:52
7:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:46
5:46
5:47
 mm
9
1
1
1
Temp °C
14
14
14
12
12
12
13
13
13
13
12
11
11
10
11
13
13
14
13
13
12
12
13
14
Feels °C
9
8
8
6
8
9
10
9
9
8
7
7
8
7
8
9
9
10
10
10
9
9
10
10
Swell 1
Height (m)
Direction
Period (s)
2.3
SW
17
3
SW
16
4.5
WSW
16
4.5
WSW
15
4.5
SW
14
4
SW
14
4
SW
14
4
SW
14
3.5
SW
14
3.5
SW
13
3.5
SW
13
3
SW
13
3
SW
13
3
SW
13
2.5
SW
12
2.5
SW
12
2.4
SW
12
2.3
SW
12
2.2
SW
12
2
SW
12
1.9
SW
12
1.8
SW
12
2
SSW
11
2.3
SSW
11
Energy kJ
3161
3820
10517
9151
7717
6756
6397
5879
5319
4332
3732
3422
2929
2702
2212
1922
1665
1550
1369
1094
997
836
971
1281
Swell 2
Height (m)
Direction
Period (s)
0.9
WSW
16
1
WSW
16
0.6
SSW
15
0.9
SSW
15
1.2
SSW
14
Energy kJ
457
554
146
339
553
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
4
WSW
11
4
WSW
12
5
WSW
16
0.6
ESE
4
0.4
SSE
9
1.1
SE
5
0.9
SSE
5
1.1
SSE
6
1.1
SSE
5
Energy kJ
4375
4214
11546
8
26
51
51
77
64
Nearest Offshore or Glassy
Rating
(10 max)
5
5
5
5
5
7
7
6
6
5
5
5
4
4
4
4
4
4
4
4
4
4
4
3
Distance (km)
383
26
139
139
139
1
0
1
0
1
1
0
0
0
0
1
1
0
0
0
0
0
0
10
Best forecast wave conditions in Cape Town
Rating
(10 max)
5
7
7
6
6
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
5
9
6
9
5
9
7
6
6
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
9
6
9
6
9
7
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
  • 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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