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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 Sunday 08 Mar 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
18.1° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 8AM is: 3.0m 12s primary swell from a South-southwest direction and 0.2m 12s secondary swell from a West direction, 1.8m 6s secondary swell from a Southeast direction (forecast issued at 01:00am March 08). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Mar) | 8ft (2.5m) | 12s |
| Afternoon (08 Mar) | 7.5ft (2.3m) | 12s |
| Evening (08 Mar) | 6ft (1.8m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 08 | Monday 09 | Tuesday 10 | ||||||||||||||||||||||
| 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) (?) | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2976 | 2954 | 2496 | 2250 | 1909 | 1751 | 1177 | 1005 | 918 | 782 | 722 | 680 | 595 | 585 | 467 | 443 | 435 | 379 | 379 | 379 | 329 | 288 | 242 | 242 |
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 | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | glass | cross- on | cross | cross- off |
High Tide / height (m) | 5:52AM 1.66 | 6:08PM 1.51 | 6:20AM 1.55 | 6:40PM 1.40 | 6:52AM 1.42 | 7:23PM 1.29 | ||||||||||||||||||
Low Tide / height (m) | 11:34PM 0.52 | 12:00PM 0.56 | 12:02AM 0.63 | 12:30PM 0.66 | 12:33AM 0.75 | 1:08PM 0.77 | ||||||||||||||||||
Sunday 08 | Monday 09 | Tuesday 10 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:14 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:10 | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 15 | 14 | 19 | 24 | 25 | 23 | 21 | 20 | 19 | 20 | 26 | 30 | 28 | 27 | 25 | 24 | 24 | 26 | 31 | 32 | 31 | 30 |
| Feels °C (?) | 11 | 11 | 12 | 11 | 17 | 20 | 21 | 20 | 18 | 18 | 17 | 18 | 23 | 26 | 25 | 25 | 22 | 22 | 22 | 25 | 30 | 30 | 29 | 29 |
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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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