- Forecast
- Maps
- Live
- Weather State
- Spot Information
Thermopylae Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Thermopylae surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Sunday 03 May 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
16.0° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 11AM is: 1.3m 15s primary swell from a West-southwest direction and 1.7m 10s secondary swell from a West direction, 1.7m 10s secondary swell from a West-northwest direction (forecast issued at 07:00am May 03). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 6ft (1.8m) | 10s |
| Afternoon (03 May) | 7.5ft (2.3m) | 14s |
| Evening (03 May) | 7.5ft (2.3m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 23mm), heaviest during Sun night. Very mild (max 19°C on Sun morning, min 13°C on Tue morning). Winds decreasing (fresh winds from the N on Sun night, calm by Tue night). | ||||||||||||||||||||||||
Sunday 3 | Monday 4 | Tuesday 5 | Wed 6 | |||||||||||||||||||||
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 | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 10 | W 10 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SSW 11 | S 11 | S 12 | S 12 | |
770 | 693 | 763 | 2144 | 2085 | 2107 | 1830 | 1725 | 2305 | 1836 | 1723 | 1581 | 1532 | 1347 | 1324 | 1420 | 1420 | 1420 | 1230 | 1027 | 3058 | 3456 | 4523 | 3820 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross-on | on | on | on | on | on | on | cross-on | cross | cross-off | cross | cross-on | cross | cross-off | glassy | cross-off | |
High Tide | 3:54AM1.70m | 4:19PM1.62m | 4:22AM1.64m | 4:50PM1.58m | 4:51AM1.57m | 5:22PM1.52m | ||||||||||||||||||
Low Tide | 10:04AM0.40m | 10:12PM0.54m | 10:32AM0.44m | 10:43PM0.60m | 11:02AM0.50m | 11:17PM0.66m | ||||||||||||||||||
 |  | |  | | |  | |  |  | | | |  |  | | |  | |  | |  | |  | |
 | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | 7:24 |
 | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | 6:00 |
— | — | — | — | — | — | — | — | 7 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | — | — | — | 1 | 1 | — | |
Temp °C | 17 | 17 | 19 | 19 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 13 | 14 | 16 | 15 | 14 | 15 | 14 |
15 | 15 | 16 | 16 | 16 | 17 | 15 | 13 | 14 | 15 | 14 | 14 | 13 | 14 | 13 | 14 | 13 | 12 | 11 | 14 | 14 | 11 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SSW 11 | WSW 11 | WSW 12 | WSW 12 |
 kJ | 770 | 693 | 632 | 2144 | 2085 | 2107 | 1830 | 1725 | 2305 | 1836 | 1723 | 1581 | 1532 | 1347 | 1324 | 1420 | 1420 | 1420 | 1230 | 1027 | 2373 | 637 | 583 | 429 |
Swell 2 Height (m) Direction Period (s) | WSW 16 | WSW 15 | WSW 15 | S 10 | S 10 | S 14 | S 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | WSW 11 | SW 16 | SW 16 | SW 16 |
| kJ | 407 | 574 | 763 | 53 | 49 | 106 | 136 | 139 | 229 | 215 | 198 | 195 | 192 | 186 | 133 | 128 | 126 | 123 | 91 | 597 | 745 | 129 | 264 | 261 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SSW 15 | SSW 15 | S 10 | S 10 | S 10 | — | S 13 | SE 13 | SE 13 | SE 13 | S 12 | S 12 | S 12 | SW 20 | WSW 19 | SW 18 | SW 18 | SW 18 | — | — | — |
| kJ | 138 | 130 | 50 | 45 | 71 | 32 | 31 | 31 | — | 4 | 7 | 7 | 6 | 3 | 3 | 3 | 15 | 37 | 51 | 80 | 80 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WNW 10 | — | — | — | N 4 | NNW 5 | — | — | — | — | — | — | — | — | — | — | N 3 | — | SSW 11 | S 11 | S 12 | S 12 |
| kJ | — | — | 586 | — | — | — | 9 | 48 | — | — | — | — | — | — | — | — | — | — | 1 | — | 3058 | 3456 | 4523 | 3820 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 0 | 11 | 11 | 31 | 24 | 24 | 31 | 31 | 99 | 26 | 24 | 26 | 26 | 26 | 17 | 6 | 0 | 0 | 0 | 0 | 139 | 405 | 346 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
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.
Nearest