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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 am Wednesday 25 Feb 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
15.9° C
(Which is 3.8°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 10AM is: 0.8m 12s primary swell from a Southwest direction and 0.4m 6s secondary swell from a West-southwest direction, 0.7m 6s secondary swell from a Northwest direction (forecast issued at 01:00am February 25). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Feb) | 2.5ft (0.8m) | 12s |
| Afternoon (25 Feb) | 2.5ft (0.7m) | 11s |
| Evening (25 Feb) | 6ft (1.8m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 11 | 7 | 11 | 11 | 13 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 324 | 236 | 236 | 197 | 161 | 121 | 114 | 572 | 1087 | 2283 | 1870 | 1881 | 2283 | 2113 | 1934 | 1769 | 1235 | 764 | 802 | 862 | 656 | 582 | 604 | 582 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | glass | glass | cross- on | cross- on | cross- on | on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross |
High Tide / height (m) | 8:41PM 1.33 | 9:22AM 1.40 | 10:38PM 1.30 | 11:22AM 1.39 | 12:24AM 1.41 | 12:50PM 1.48 | ||||||||||||||||||
Low Tide / height (m) | 2:50AM 0.81 | 4:18PM 0.78 | 5:05AM 0.83 | 6:06PM 0.72 | 6:43AM 0.72 | 7:13PM 0.61 | ||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:27 | - | - | - | - | - | - | - | 7:24 | - |
 |  | |  |  | | | |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 18 | 18 | 19 | 21 | 21 | 21 | 20 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 17 | 17 | 16 | 17 | 19 | 19 | 19 | 18 |
| Feels °C (?) | 21 | 18 | 18 | 18 | 20 | 19 | 20 | 22 | 21 | 19 | 18 | 16 | 16 | 15 | 16 | 15 | 15 | 15 | 14 | 16 | 16 | 15 | 15 | 16 |
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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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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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