Surf Forecasts:
How big are the waves at Thermopylae today (27 Sep):
- Morning surf: Morning surf (27 Sep, local time) - 5.5ft (1.7m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (27 Sep, local time) - 5.5ft (1.7m), 14s period with WSW swell.
- Evening surf: Evening surf (27 Sep, local time) - 5ft (1.5m), 13s period with WSW swell.
The current surf forecast for Thermopylae at 12AM is: 2.1m 14s primary swell from a Southwest direction and 1.1m 6s secondary swell from a South direction (forecast issued at 07:00pm September 26). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | 5.5ft (1.7m) | 14s |
| Afternoon (27 Sep) | 5.5ft (1.7m) | 14s |
| Evening (27 Sep) | 5ft (1.5m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Tue afternoon, min 11°C on Sun night). Winds decreasing (fresh winds from the SSE on Sun afternoon, light winds from the SE by Tue morning). | |||||||||||||||||||
Sat 26 | Sunday 27 | Monday 28 | |||||||||||||||||
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) | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | SSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SSE 7 | SSE 8 | SSE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 1972 | 1836 | 1712 | 1531 | 1272 | 1126 | 2728 | 1143 | 1045 | 875 | 734 | 606 | 512 | 389 | 395 | 404 | 526 | 572 | 289 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | 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 | 3:03PM1.85m | 3:24AM1.77m | 3:35PM1.89m | 3:56AM1.78m | 4:08PM1.89m | ||||||||||||||
Low Tide | 9:16PM0.24m | 9:23AM0.29m | 9:48PM0.21m | 9:55AM0.29m | 10:21PM0.23m | ||||||||||||||
 |  | | | | | | | |  | | | |  | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 16 | 15 | 14 | 14 | 13 | 14 | 15 | 14 | 13 | 12 | 12 | 11 | 11 | 16 | 20 | 21 | 17 | 14 |
Feels °C | 15 | 13 | 12 | 10 | 9 | 7 | 7 | 8 | 7 | 6 | 6 | 7 | 6 | 6 | 12 | 16 | 17 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | S 8 |
| kJ | 1972 | 1836 | 1712 | 1531 | 1272 | 1126 | 2094 | 1143 | 1045 | 875 | 734 | 606 | 512 | 389 | 395 | 389 | 309 | 226 | 107 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | — | — | — | — | — | — | — | — | SSW 8 | S 8 | — | — | — | S 16 | SW 16 | SW 16 | WSW 12 |
| kJ | 2 | 2 | — | — | — | — | — | — | — | — | 133 | 142 | — | — | — | 5 | 10 | 9 | 222 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 34 |
Wind waves Height (m) Direction Period (s) | S 3 | S 4 | S 6 | SSW 6 | S 6 | S 7 | SSW 14 | S 7 | S 6 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 7 |
| kJ | 7 | 29 | 82 | 119 | 251 | 351 | 2728 | 440 | 334 | 427 | 363 | 432 | 403 | 365 | 355 | 404 | 526 | 572 | 289 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 139 | 138 | 87 | 232 | 346 | 344 | 177 | 460 | 423 | 87 | 13 | 13 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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