Surf Forecasts:
How big are the waves at Thermopylae today (09 Oct):
- Morning surf: Morning surf (09 Oct, local time) - 11ft (3.5m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (09 Oct, local time) - 10ft (3.0m), 12s period with WSW swell.
- Evening surf: Evening surf (09 Oct, local time) - 10ft (3.0m), 12s period with WSW swell.
The current surf forecast for Thermopylae at 1AM is: 3.5m 13s primary swell from a Southwest direction (forecast issued at 07:00pm October 08). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Oct) | 11ft (3.5m) | 13s |
| Afternoon (09 Oct) | 10ft (3.0m) | 12s |
| Evening (09 Oct) | 10ft (3.0m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 13°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 8 | Friday 9 | Saturday 10 | |||||||||||||||||
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 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 2857 | 3020 | 3609 | 3975 | 3724 | 3728 | 3501 | 2923 | 2545 | 2357 | 2047 | 1969 | 1818 | 1788 | 1572 | 1617 | 1684 | 1819 | 1677 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross | cross | cross-off | cross | cross-on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross-off | cross |
High Tide | 2:22AM1.69m | 2:33PM1.84m | 2:55AM1.73m | 3:05PM1.86m | |||||||||||||||
Low Tide | 8:18PM0.31m | 8:24AM0.36m | 8:50PM0.27m | 8:55AM0.34m | 9:20PM0.27m | ||||||||||||||
 |  | | |  |  | |  | | | |  | | | | | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 13 | 13 | 14 | 16 | 17 | 17 | 15 | 15 | 14 | 14 | 15 | 18 | 19 | 18 | 16 | 16 |
Feels °C | 11 | 12 | 12 | 11 | 11 | 12 | 14 | 16 | 16 | 13 | 13 | 12 | 13 | 15 | 17 | 17 | 16 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SW 13 | SW 13 |
| kJ | 2857 | 3020 | 3609 | 3975 | 3724 | 3728 | 3501 | 2923 | 2545 | 2357 | 2047 | 1969 | 1818 | 1788 | 1572 | 1617 | 1684 | 1819 | 1677 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 16 | W 20 | W 20 | SW 19 | WSW 18 | — | — | SW 14 | WSW 12 | WSW 14 | WSW 14 | WSW 13 |
| kJ | — | — | — | — | — | — | — | 21 | 8 | 7 | 14 | 31 | — | — | 379 | 569 | 1143 | 754 | 608 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 20 | W 20 | — | — | — | — | WSW 15 | WSW 14 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 7 | 7 | — | — | — | — | 179 | 361 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | N 3 | — | — | — | — | — | SE 3 | — | ESE 3 | — | — | — | — | — |
| kJ | — | — | — | — | — | 6 | — | — | — | — | — | 5 | — | 5 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 17 | 17 | 6 | 11 | 0 | 11 | 17 | 17 | 24 | 0 | 0 | 0 | 0 | 0 | 21 | 1 | 8 | 0 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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