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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 Tuesday 31 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
16.9° C
(Which is 1.9°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 11PM is: 1.3m 10s primary swell from a Southwest direction and 0.8m 14s secondary swell from a Southwest direction (forecast issued at 07:00pm March 31). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | - | - |
| Afternoon (31 Mar) | 2ft (0.6m) | 14s |
| Evening (31 Mar) | 4ft (1.2m) | 10s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| 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) (?) | 10 | 15 | 10 | 9 | 9 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 241 | 266 | 296 | 272 | 270 | 398 | 453 | 485 | 518 | 778 | 553 | 821 | 796 | 874 | 1077 | 1284 | 1206 | 1922 | 1659 | 1607 | 1387 | 1131 | 836 | 819 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross | cross | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | glass | glass | glass | glass | glass | cross | cross- off | glass | on | glass | cross | cross- on | cross- on |
High Tide / height (m) | 2:46PM 1.70 | 2:57AM 1.84 | 3:16PM 1.74 | 3:27AM 1.86 | 3:45PM 1.74 | 3:55AM 1.84 | ||||||||||||||||||
Low Tide / height (m) | 8:49PM 0.40 | 9:13AM 0.33 | 9:17PM 0.38 | 9:40AM 0.32 | 9:44PM 0.38 | 10:06AM 0.34 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - |
| Sunset | 6:43 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - |
 |  | |  | | | | | | |  | | |  | | | | | |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | - |
| Temp. °C | 21 | 20 | 19 | 19 | 19 | 19 | 21 | 22 | 21 | 20 | 20 | 20 | 21 | 23 | 24 | 26 | 25 | 25 | 25 | 23 | 22 | 22 | 23 | 21 |
| Feels °C (?) | 20 | 20 | 19 | 20 | 20 | 20 | 21 | 20 | 19 | 19 | 20 | 22 | 22 | 24 | 24 | 26 | 24 | 25 | 26 | 24 | 24 | 23 | 24 | 21 |
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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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