Surf Forecasts:
How big are the waves at Thermopylae today (16 Oct):
- Afternoon surf: Afternoon surf (16 Oct, local time) - 5.5ft (1.7m), 11s period with W swell.
- Evening surf: Evening surf (16 Oct, local time) - 5ft (1.6m), 11s period with W swell.
The current surf forecast for Thermopylae at 10PM is: 1.4m 12s primary swell from a Southwest direction and 1.6m 10s secondary swell from a West direction (forecast issued at 07:00pm October 16). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Oct) | - | - |
| Afternoon (16 Oct) | 5.5ft (1.7m) | 11s |
| Evening (16 Oct) | 5ft (1.6m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat morning. Very mild (max 17°C on Fri night, min 12°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | |||||||||||||||||
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) | W 11 | W 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 649 | 564 | 555 | 603 | 812 | 1226 | 2121 | 2056 | 2130 | 2061 | 1945 | 2536 | 2744 | 1857 | 2536 | 2213 | 2458 | 2056 | 1848 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 6:05PM1.37m | 6:49AM1.31m | 6:53PM1.25m | 8:04AM1.24m | 8:27PM1.16m | ||||||||||||||
Low Tide | 00:18AM0.70m | 12:45PM0.86m | 1:15AM0.80m | 2:30PM0.93m | |||||||||||||||
 |  |  |  | |  | | | | | | | | | | |  | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 13 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 |
Feels °C | 16 | 17 | 16 | 15 | 17 | 12 | 12 | 11 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 9 | 9 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 10 | SW 12 | SW 12 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 |
| kJ | 649 | 564 | 486 | 603 | 812 | 1226 | 2121 | 2056 | 2130 | 2061 | 1945 | 2536 | 2744 | 1857 | 2536 | 2213 | 2458 | 2056 | 1848 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | W 10 | W 10 | W 10 | WNW 10 | W 10 | W 10 | — | WSW 15 | SSW 14 | — | SSW 12 | — | — | — | — | — |
| kJ | 574 | 511 | 555 | 386 | 333 | 273 | 163 | 158 | 18 | — | 409 | 61 | — | 254 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SE 4 | S 12 | S 5 | SE 4 | S 5 | S 5 | S 5 | S 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 26 | 600 | 88 | 28 | 56 | 47 | 47 | 19 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 17 | 11 | 6 | 11 | 6 | 27 | 27 | 27 | 63 | 2 | 1 | 52 | 47 | 52 | 47 | 27 | 27 | 27 | 8 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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