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Thermopylae Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Thermopylae surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Friday 03 Apr 2026 SASTForecast 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
16.5° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 12PM is: 1.8m 12s primary swell from a Southwest direction and 0.3m 6s secondary swell from a South-southeast direction (forecast issued at 07:00am April 03). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Apr) | 6ft (1.9m) | 12s |
| Afternoon (03 Apr) | 5ft (1.6m) | 12s |
| Evening (03 Apr) | 5ft (1.5m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 03 | Saturday 04 | Sunday 05 | Mon 06 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 13 | 15 | 16 | 16 | 16 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1475 | 1207 | 976 | 805 | 736 | 603 | 603 | 380 | 439 | 431 | 423 | 334 | 322 | 239 | 333 | 707 | 1556 | 3105 | 5805 | 8675 | 9652 | 9652 | 8937 | 7456 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | glass | cross- on | cross | cross- off | cross | cross- on | cross- on | glass | on | on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross |
High Tide / height (m) | 3:55AM 1.84 | 4:13PM 1.72 | 4:22AM 1.79 | 4:41PM 1.67 | 4:49AM 1.72 | 5:09PM 1.61 | ||||||||||||||||||
Low Tide / height (m) | 10:06AM 0.34 | 10:10PM 0.41 | 10:31AM 0.38 | 10:36PM 0.47 | 10:57AM 0.44 | 11:03PM 0.55 | ||||||||||||||||||
Friday 03 | Saturday 04 | Sunday 05 | Mon 06 | |||||||||||||||||||||
| Sunrise | - | 6:58 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:36 | - | - | - |
 |  |  | |  |  | | | | | | | | | |  | | | | | | | |  | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 18 | 19 | 18 | 18 | 17 | 17 |
| Feels °C (?) | 18 | 19 | 21 | 20 | 20 | 19 | 20 | 18 | 19 | 19 | 19 | 18 | 18 | 19 | 18 | 17 | 14 | 14 | 15 | 15 | 14 | 14 | 13 | 14 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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