- 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 pm Wednesday 06 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
16.1° 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 2AM is: 1.5m 9s primary swell from a South direction and 0.9m 13s secondary swell from a West-southwest direction, 0.9m 10s secondary swell from a South-southeast direction (forecast issued at 07:00pm May 06). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 5ft (1.6m) | 9s |
| Afternoon (07 May) | 3.5ft (1.0m) | 14s |
| Evening (07 May) | 3.5ft (1.1m) | 13s |
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 18°C on Fri afternoon, min 14°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Wed 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 10 | S 10 | SSE 10 | S 9 | S 8 | S 9 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | |
1006 | 851 | 979 | 335 | 313 | 390 | 443 | 413 | 434 | 414 | 413 | 596 | 1056 | 1261 | 1948 | 1875 | 1689 | 1475 | 1435 | 1301 | 1143 | 985 | 484 | 883 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | glassy | glassy | glassy | cross-on | cross-on | |
High Tide | 5:59PM1.46m | 6:01AM1.40m | 6:44PM1.40m | 6:50AM1.31m | 7:44PM1.36m | 8:02AM1.25m | ||||||||||||||||||
Low Tide | 11:56PM0.74m | 12:14PM0.65m | 00:49AM0.80m | 1:06PM0.73m | 2:07AM0.84m | |||||||||||||||||||
 |  | | | |  | | | | |  | |  | | | | | | | | | | | | |
 | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | 5:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 16 | 16 | 15 | 15 | 17 | 17 | 17 | 16 | 15 | 15 | 15 | 14 | 16 | 18 | 17 | 16 | 15 | 15 | 14 | 14 | 16 | 17 |
12 | 12 | 13 | 13 | 12 | 12 | 13 | 12 | 13 | 12 | 12 | 13 | 13 | 11 | 14 | 15 | 14 | 13 | 14 | 15 | 13 | 13 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | SW 13 | S 9 | WSW 13 | S 8 | S 9 | S 8 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 |
 kJ | 318 | 253 | 619 | 295 | 313 | 390 | 195 | 413 | 434 | 414 | 408 | 476 | 1056 | 1261 | 1948 | 1875 | 1689 | 1475 | 1435 | 1301 | 1143 | 985 | 484 | 883 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 10 | WSW 13 | SSE 10 | WSW 13 | SW 12 | WSW 15 | WSW 20 | WSW 20 | WSW 19 | WSW 18 | WSW 18 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 16 | SE 12 | SE 13 | SSE 15 | SSE 14 | SSE 14 | SW 14 | SSE 13 |
| kJ | 88 | 83 | 357 | 173 | 206 | 144 | 443 | 78 | 149 | 248 | 413 | 596 | 312 | 271 | 216 | 177 | 102 | 549 | 639 | 376 | 293 | 277 | 404 | 195 |
Swell 3 Height (m) Direction Period (s) | SW 20 | WSW 18 | WSW 18 | SW 16 | SSE 10 | WSW 15 | SSE 10 | NW 13 | SE 14 | SSE 12 | SSE 11 | SE 13 | WSW 13 | WSW 13 | SSE 18 | SSE 17 | — | SSE 16 | SSE 15 | SSE 15 | SE 14 | SE 14 | SSE 13 | SW 15 |
| kJ | 15 | 32 | 31 | 68 | 135 | 196 | 186 | 7 | 48 | 46 | 107 | 44 | 378 | 378 | 61 | 29 | — | 169 | 158 | 142 | 214 | 194 | 204 | 301 |
Wind waves Height (m) Direction Period (s) | S 10 | S 10 | SSE 10 | S 9 | — | — | — | S 8 | S 8 | S 8 | S 8 | SSE 11 | — | SE 3 | — | SSE 8 | SSE 9 | SSE 16 | SSE 15 | — | — | — | — | — |
| kJ | 1006 | 851 | 979 | 335 | — | — | — | 309 | 260 | 228 | 195 | 392 | — | 5 | — | 130 | 169 | 671 | 505 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 910 | 1 | 1 | 1 | 1 | 1 | 1 | 21 | 21 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 8 | 1 | 0 | 0 | 0 | 0 | 11 | 17 |
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