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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 1 pm Saturday 04 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
16.3° C
(Which is 2.2°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 6PM is: 1.2m 10s primary swell from a West-southwest direction and 0.7m 5s secondary swell from a Southwest direction (forecast issued at 01:00pm April 04). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Apr) | 4.5ft (1.4m) | 11s |
| Afternoon (04 Apr) | 4ft (1.2m) | 11s |
| Evening (04 Apr) | 3.5ft (1.1m) | 10s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 13 | 14 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 423 | 382 | 294 | 216 | 255 | 1130 | 1901 | 3267 | 5570 | 9227 | 10241 | 9652 | 8823 | 7126 | 6287 | 6249 | 6676 | 6568 | 5789 | 4939 | 4119 | 3785 | 1650 | 2303 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:41PM 1.67 | 4:49AM 1.72 | 5:09PM 1.61 | 5:16AM 1.63 | 5:39PM 1.53 | 5:44AM 1.52 | ||||||||||||||||||
Low Tide / height (m) | 10:31AM 0.38 | 10:36PM 0.47 | 10:57AM 0.44 | 11:03PM 0.55 | 11:24AM 0.52 | 11:32PM 0.64 | ||||||||||||||||||
Saturday 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 |
| Sunset | - | - | 6:37 | - | - | - | - | - | - | - | 6:36 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - |
 | | |  | |  |  | | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 20 | 19 | 18 | 18 | 18 | 17 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 16 | 16 | 15 | 14 |
| Feels °C (?) | 18 | 18 | 20 | 19 | 18 | 16 | 15 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 13 | 12 | 11 | 11 | 12 | 12 | 11 |
- Map Icons:
Break
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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