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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 pm Thursday 19 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 3.9°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 10PM is: 1.6m 13s primary swell from a Southwest direction and 0.7m 15s secondary swell from a West-northwest direction, 1.8m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm February 19). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Feb) | - | - |
| Afternoon (19 Feb) | 4.5ft (1.4m) | 14s |
| Evening (19 Feb) | 5ft (1.6m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| 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) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 13 | 13 | 13 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 780 | 746 | 799 | 773 | 634 | 561 | 494 | 383 | 516 | 389 | 310 | 567 | 446 | 350 | 269 | 219 | 291 | 492 | 435 | 114 | 113 | 95 | 169 | 178 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | off | off | glass | cross- on | cross- on | glass | glass | cross | cross | cross | cross- on | cross- on |
High Tide / height (m) | 4:41PM 1.79 | 4:58AM 1.91 | 5:16PM 1.76 | 5:34AM 1.87 | 5:53PM 1.68 | 6:12AM 1.79 | ||||||||||||||||||
Low Tide / height (m) | 10:43PM 0.31 | 11:11AM 0.32 | 11:17PM 0.35 | 11:47AM 0.38 | 11:52PM 0.43 | 12:28PM 0.47 | ||||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - |
| Sunset | 7:35 | - | - | - | - | - | - | - | 7:34 | - | - | - | - | - | - | - | 7:31 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 20 | 21 | 20 | 20 | 21 | 24 | 26 | 26 | 24 | 22 | 21 | 20 | 21 | 24 | 25 | 25 | 24 | 22 | 21 | 19 | 19 | 22 | 22 |
| Feels °C (?) | 19 | 17 | 20 | 19 | 20 | 22 | 25 | 25 | 25 | 23 | 22 | 22 | 21 | 22 | 25 | 25 | 26 | 26 | 24 | 21 | 18 | 18 | 21 | 22 |
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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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