Surf Forecasts:
How big are the waves at Thermopylae today (15 Oct):
- Morning surf: Morning surf (15 Oct, local time) - 11ft (3.5m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (15 Oct, local time) - 11ft (3.5m), 14s period with WSW swell.
- Evening surf: Evening surf (15 Oct, local time) - 10ft (3.0m), 14s period with WSW swell.
The current surf forecast for Thermopylae at 6PM is: 3.0m 14s primary swell from a West-southwest direction and 1.1m 12s secondary swell from a West direction (forecast issued at 01:00pm October 15). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | 11ft (3.5m) | 14s |
| Afternoon (15 Oct) | 11ft (3.5m) | 14s |
| Evening (15 Oct) | 10ft (3.0m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sat morning. Very mild (max 18°C on Fri morning, min 12°C on Sun morning). Winds increasing (calm on Fri night, fresh winds from the SSE by Sat night). | |||||||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | |||||||||||||||||||
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 14 | WSW 14 | WSW 14 | WSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | W 11 | W 11 | W 11 | W 11 | SW 12 | SW 12 | SW 12 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4752 | 4756 | 3875 | 3399 | 2065 | 1561 | 1137 | 954 | 918 | 730 | 649 | 565 | 555 | 666 | 897 | 1806 | 2099 | 1999 | 2039 | 1849 | 1934 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:32PM1.49m | 6:02AM1.41m | 6:05PM1.37m | 6:49AM1.31m | 6:53PM1.25m | ||||||||||||||||
Low Tide | 11:19AM0.64m | 11:40PM0.60m | 11:55AM0.75m | 00:18AM0.70m | 12:45PM0.86m | ||||||||||||||||
 |  | |  | | | | | | | |  | | |  |  | | |  | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | — | — | — |
Temp °C | 17 | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 13 | 14 | 13 | 13 |
Feels °C | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 17 | 17 | 17 | 15 | 17 | 14 | 11 | 9 | 10 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 14 | SW 14 | SW 13 | SW 13 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | SW 12 | SW 12 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 4752 | 4756 | 3875 | 3399 | 2065 | 1561 | 1137 | 771 | 757 | 730 | 649 | 564 | 482 | 666 | 897 | 1806 | 2099 | 1999 | 2039 | 1849 | 1934 |
Swell 2 Height (m) Direction Period (s) | — | — | W 12 | W 12 | W 12 | W 12 | W 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | — | WSW 15 |
| kJ | — | — | 359 | 409 | 1022 | 972 | 828 | 954 | 851 | 666 | 574 | 565 | 555 | 434 | 333 | 314 | 198 | 125 | 81 | — | 367 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 77 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | N 5 | — | — | — | — | — | — | W 11 | — | — | — | — | — | — | — | — | — | — | SSE 4 | SSE 4 |
| kJ | 50 | 23 | — | — | — | — | — | — | 918 | — | — | — | — | — | — | — | — | — | — | 21 | 42 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 121 | 405 | 17 | 6 | 11 | 6 | 6 | 11 | 17 | 17 | 17 | 6 | 6 | 11 | 0 | 1 | 8 | 21 | 1 | 771 | 52 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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