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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 04 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
18.0° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 7AM is: 1.8m 10s primary swell from a Southwest direction and 0.4m 16s secondary swell from a Northwest direction (forecast issued at 01:00am March 04). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Mar) | 6ft (1.8m) | 10s |
| Afternoon (04 Mar) | 6ft (1.8m) | 10s |
| Evening (04 Mar) | 7.5ft (2.3m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 04 | Thursday 05 | Friday 06 | ||||||||||||||||||||||
| 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 | 11 | 10 | 10 | 10 | 10 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 634 | 762 | 680 | 614 | 565 | 676 | 1475 | 1723 | 1764 | 1543 | 1392 | 1200 | 1094 | 928 | 822 | 713 | 688 | 676 | 671 | 476 | 496 | 533 | 441 | 416 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | cross | cross- off | glass | glass | glass | glass | cross- on | cross | cross | cross- off | glass | glass | cross | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 3:56AM 1.91 | 4:12PM 1.79 | 4:26AM 1.90 | 4:42PM 1.75 | 4:56AM 1.84 | 5:10PM 1.69 | ||||||||||||||||||
Low Tide / height (m) | 9:45PM 0.32 | 10:09AM 0.31 | 10:14PM 0.32 | 10:38AM 0.34 | 10:41PM 0.36 | 11:05AM 0.39 | ||||||||||||||||||
Wednesday 04 | Thursday 05 | Friday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:19 | - | - | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:16 | - |
 | | |  | |  | | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 17 | 18 | 20 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 20 | 21 | 21 | 20 | 19 | 18 | 18 | 18 | 20 | 20 | 20 | 19 |
| Feels °C (?) | 17 | 18 | 17 | 19 | 20 | 20 | 19 | 19 | 18 | 20 | 19 | 19 | 20 | 19 | 19 | 19 | 18 | 18 | 19 | 18 | 19 | 19 | 20 | 19 |
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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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