Surf Forecasts:
How big are the waves at Thermopylae today (26 Aug):
- Morning surf: Morning surf (26 Aug, local time) - 7.5ft (2.3m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (26 Aug, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Evening surf: Evening surf (26 Aug, local time) - 3.5ft (1.1m), 12s period with WSW swell.
The current surf forecast for Thermopylae at 9PM is: 1.1m 12s primary swell from a West-southwest direction and 1.1m 11s secondary swell from a South-southwest direction (forecast issued at 01:00pm August 26). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | 7.5ft (2.3m) | 8s |
| Afternoon (26 Aug) | 4.5ft (1.3m) | 12s |
| Evening (26 Aug) | 3.5ft (1.1m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 14°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | |||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SSW 11 | SSW 11 | S 11 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 16 | WSW 16 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 587 | 543 | 458 | 365 | 333 | 463 | 504 | 586 | 513 | 522 | 501 | 418 | 410 | 410 | 345 | 284 | 280 | 290 | 527 | 459 | 446 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | glassy | glassy | cross-off | cross | cross-on | cross-on | on | glassy | glassy | glassy | cross | glassy | glassy | glassy | cross | cross-off | cross |
High Tide | 2:41PM1.63m | 2:51AM1.61m | 3:09PM1.72m | 3:20AM1.67m | 3:36PM1.78m | ||||||||||||||||
Low Tide | 8:27AM0.46m | 8:48PM0.47m | 8:55AM0.38m | 9:17PM0.38m | 9:23AM0.33m | 9:46PM0.32m | |||||||||||||||
 | | |  | | | | | |  |  |  | | | | | | | | | | |
 | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 23 | 23 | 23 | 22 | 21 | 20 | 20 | 19 | 19 | 18 | 16 | 16 | 15 | 15 | 15 | 18 | 22 | 17 | 16 | 15 |
Feels °C | 14 | 22 | 21 | 22 | 21 | 20 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 15 | 18 | 20 | 15 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 12 | SSW 11 | SSW 11 | SSW 11 | S 11 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 587 | 543 | 458 | 365 | 314 | 463 | 504 | 586 | 513 | 522 | 501 | 418 | 410 | 410 | 345 | 284 | 279 | 220 | 527 | 459 | 446 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 16 | WSW 14 | S 10 | S 10 | S 10 |
| kJ | 187 | 161 | 140 | 314 | 333 | 274 | 274 | 250 | 246 | 247 | 180 | 180 | 138 | 138 | 123 | 121 | 280 | 290 | 171 | 165 | 128 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | SSE 8 | SSE 8 | SSW 15 | SSW 15 | W 18 | SE 8 | S 15 | WSW 16 | WSW 16 | SW 16 | WSW 15 | WSW 15 | WSW 16 | WSW 11 | WSW 11 | SSE 13 | W 10 | WSW 10 |
| kJ | 183 | 173 | 221 | 103 | 76 | 172 | 74 | 6 | 66 | 17 | 26 | 53 | 65 | 125 | 199 | 277 | 121 | 90 | 57 | 48 | 33 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | — | — | — | — | — | — | — | WNW 3 | — | — | — | — | — | — | — | — | — | SSE 2 |
| kJ | 510 | 435 | 373 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 17 | 17 | 17 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8 | 0 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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