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Surf Forecasts:

Thermopylae surf break

Thermopylae surfForecast / Cape Town / South Africa

information circle12 Day Weather and Surf, issued 7 pm Tuesday 10 Feb 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Thermopylae surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thermopylae sea temperature is
16.3° C
 (Which is 3.7°C colder than average for this time of year)

Best Forecast Surf Conditions for Thermopylae this week:

The surf forecast for Thermopylae over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Feb 11) at 5AM. The primary swell is predicted to be 1.0m and 11s period with a secondary swell of 0.3m and 13s. Another secondary swell of 0.9m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Thermopylae in the next 12 days are 3.5m 13s and forecast to arrive on Saturday (Feb 14) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Friday (Feb 13) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 11th Feb)3.5ft (1.0m) 11s
Best Surf11AM (Sun 15th Feb)7ft (2.2m) 12s
Most Powerful11AM (Sat 14th Feb)11ft (3.5m) 13s

Table - best surf conditions forecast for Thermopylae over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 23°C on Wed afternoon, min 18°C on Wed night). Winds increasing (light winds from the S on Tue night, fresh winds from the SSE by Wed night).

Days 3-6 Weather Summary Mostly dry. Warm (max 31°C on Mon afternoon, min 15°C on Sat night). Winds decreasing (strong winds from the SSE on Sat afternoon, calm by Mon morning).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tue
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
0
0
1
2
2
3
1
1
3
3
2
3
4
2
3
2
1
4
3
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SW
0.8
SW
0.9
SW
2.4
S
2.5
S
2.4
SW
2.5
SW
2.1
SW
2.3
SW
3
SSW
3.5
SSW
3
SSW
2.5
SSW
2.2
SSW
1.9
SSW
1.4
SW
1.1
SW
1.1
SW
1.1
SW
1.5
SW
1.8
SW
Period(s) (?)1111117913131212141313131212121111171615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2461591946361124197220081298152236854176296421311477103957828827876010681344
Wind
(km/h)
15
S
20
S
25
S
40
SSE
25
SSE
35
SSE
20
SSE
25
S
25
SSW
30
S
35
SSE
45
SSE
20
SE
15
SSE
20
S
10
ESE
5
S
15
SSW
5
ESE
10
NW
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		glasscrosscross-
off		cross-
on		cross-
on
High Tide
/ height (m)
10:06PM
1.18
10:37AM
1.26
12:16AM
1.23
12:21PM
1.31
1:18AM
1.35
1:19PM
1.40
1:57AM
1.47
2:00PM
1.50
2:28AM
1.59
2:34PM
1.60
2:57AM
1.70
3:05PM
1.68
3:25AM
1.79
3:37PM
1.75
Low Tide
/ height (m)
4:03AM
0.96
5:38PM
0.86
6:11AM
0.93
6:52PM
0.77
7:17AM
0.83
7:37PM
0.67
7:58AM
0.72
8:11PM
0.56
8:32AM
0.60
8:42PM
0.47
9:03AM
0.49
9:12PM
0.39
9:34AM
0.40
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tue
17
Sunrise-6:16--6:18--6:18--6:20--6:20--6:20--6:22-
Sunset--7:43--7:42--7:40--7:39--7:38--7:37--7:37
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
---------------------
Temp. °C222123212020181920202020192128262931292423
Feels °C (?)212121181616131716161312121824232827262323
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Thermopylae at:
surf-forecast.com

Information about the Thermopylae Surf forecast

The above surf forecast table for Thermopylae provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Thermopylae can be found by selecting the local surf guide option on the grey menu. Our Thermopylae surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Thermopylae) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Thermopylae may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Cape Town? If you are looking for accommodation near Thermopylae, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 8 km (5 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Robben Island which is 11 km (7 miles) away, Bellville, Atlantis and Kayamnandi.

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