- 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 Tuesday 05 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
15.9° 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 12PM is: 2.2m 12s primary swell from a West-southwest direction and 0.7m 11s secondary swell from a South-southwest direction (forecast issued at 07:00am May 05). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 7.5ft (2.3m) | 12s |
| Afternoon (05 May) | 8ft (2.4m) | 11s |
| Evening (05 May) | 10ft (3.0m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Wed morning, min 13°C on Tue morning). Winds increasing (light winds from the NNW on Tue morning, fresh winds from the SE by Wed afternoon). | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 12 | WSW 12 | WSW 12 | WSW 12 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SSE 11 | SSE 10 | SSE 10 | S 10 | SSE 11 | S 9 | S 9 | S 9 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 18 | WSW 18 | |
1455 | 1455 | 1332 | 1208 | 1665 | 2207 | 1950 | 1613 | 1344 | 1188 | 1689 | 1198 | 1152 | 882 | 1409 | 495 | 412 | 347 | 443 | 413 | 368 | 414 | 413 | 596 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 4:51AM1.57m | 5:22PM1.52m | 5:23AM1.49m | 5:59PM1.46m | 6:01AM1.40m | 6:44PM1.40m | ||||||||||||||||||
Low Tide | 11:02AM0.50m | 11:17PM0.66m | 11:35AM0.57m | 11:56PM0.74m | 12:14PM0.65m | 00:49AM0.80m | ||||||||||||||||||
 |  | |  | | | | | | | | | |  | | | | | | | | | | | |
 | 7:22 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | 7:24 |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | 5:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 15 | 15 |
12 | 11 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 13 | 14 | 11 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SW 14 | WSW 14 | SW 13 | S 10 | WSW 13 | WSW 13 | SW 15 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
 kJ | 1455 | 1455 | 1332 | 1208 | 1665 | 2207 | 1950 | 1613 | 1344 | 1188 | 1069 | 476 | 318 | 257 | 653 | 295 | 206 | 223 | 443 | 413 | 368 | 414 | 408 | 408 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | WSW 12 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 13 | SW 16 | SW 16 | WSW 12 | WSW 21 | WSW 20 | WSW 20 | WSW 19 | WSW 18 | WSW 18 |
| kJ | 126 | 123 | 123 | 1102 | 889 | 693 | 559 | 429 | 361 | 296 | 243 | 130 | 88 | 83 | 299 | 68 | 127 | 119 | 44 | 78 | 149 | 248 | 413 | 596 |
Swell 3 Height (m) Direction Period (s) | SW 20 | WSW 19 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | WSW 15 | NW 13 | SW 20 | WSW 18 | WSW 18 | W 13 | W 13 | SW 22 | W 13 | SSE 15 | SSE 14 | SSE 12 | SSE 12 | SSE 11 |
| kJ | 15 | 37 | 51 | 80 | 80 | 129 | 264 | 261 | 229 | 309 | 372 | 7 | 15 | 32 | 31 | 3 | 3 | 18 | 3 | 22 | 20 | 81 | 79 | 93 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SSE 11 | SSE 10 | SSE 10 | S 10 | SSE 11 | S 9 | S 9 | S 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | 1689 | 1198 | 1152 | 882 | 1409 | 495 | 412 | 347 | 284 | 270 | 229 | 197 | 197 | 165 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 8 | 17 | 17 | 0 | 0 | 0 | 0 | 0 | 13 | 138 | 174 | 53 | 1 | 1 | 1 | 1 | 1 | 130 | 87 | 1 | 1 | 0 |
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