Surf Forecasts:
How big are the waves at Thermopylae today (05 Oct):
- Morning surf: Morning surf (05 Oct, local time) - 5.5ft (1.7m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (05 Oct, local time) - 5ft (1.5m), 12s period with SW swell.
- Evening surf: Evening surf (05 Oct, local time) - 6ft (1.8m), 14s period with WSW swell.
The current surf forecast for Thermopylae at 4AM is: 1.8m 13s primary swell from a Southwest direction and 0.3m 6s secondary swell from a Southeast direction (forecast issued at 07:00pm October 04). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Oct) | 5.5ft (1.7m) | 12s |
| Afternoon (05 Oct) | 5ft (1.5m) | 12s |
| Evening (05 Oct) | 6ft (1.8m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue morning. Warm (max 21°C on Sun night, min 12°C on Wed morning). Winds increasing (calm on Mon morning, fresh winds from the WSW by Tue morning). | |||||||||||||||||||
Sun 4 | Monday 5 | Tuesday 6 | |||||||||||||||||
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 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 1326 | 1358 | 1367 | 1326 | 1092 | 903 | 799 | 718 | 634 | 1349 | 1264 | 1306 | 1423 | 2142 | 8778 | 3594 | 6795 | 8441 | 7907 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | glassy | glassy | glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 10:42PM1.30m | 11:31AM1.42m | 00:10AM1.40m | 12:34PM1.56m | |||||||||||||||
Low Tide | 4:36PM0.77m | 5:12AM0.72m | 6:04PM0.65m | 6:21AM0.61m | 7:00PM0.51m | ||||||||||||||
 |  | | | | | | | | |  |  |  |  |  | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 | — | 1 | — | — | — |
Temp °C | 23 | 21 | 20 | 19 | 18 | 18 | 20 | 19 | 18 | 16 | 15 | 14 | 13 | 14 | 13 | 14 | 15 | 14 | 13 |
Feels °C | 19 | 18 | 18 | 18 | 17 | 18 | 18 | 17 | 17 | 16 | 13 | 11 | 9 | 7 | 6 | 8 | 9 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | WSW 14 | WSW 13 | WSW 13 | WSW 16 | WSW 16 | WSW 17 | WSW 10 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 1326 | 1358 | 1367 | 1326 | 1092 | 903 | 799 | 718 | 634 | 1349 | 1264 | 1306 | 864 | 1809 | 8778 | 1906 | 6795 | 8441 | 7907 |
Swell 2 Height (m) Direction Period (s) | SE 7 | W 10 | SE 7 | SE 6 | SE 8 | SE 8 | SE 8 | WSW 16 | WSW 15 | SE 8 | SE 9 | SW 16 | SW 12 | — | — | WSW 16 | W 9 | — | — |
| kJ | 45 | 47 | 51 | 6 | 35 | 20 | 20 | 173 | 417 | 18 | 12 | 386 | 93 | — | — | 3594 | 606 | — | — |
Swell 3 Height (m) Direction Period (s) | W 10 | SE 7 | — | — | — | SW 18 | — | SE 8 | SE 8 | — | — | ESE 9 | — | — | — | — | — | — | — |
| kJ | 68 | 11 | — | — | — | 13 | — | 22 | 18 | — | — | 7 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 7 | — | — | — | — | — | — | — | — | WNW 4 | WSW 13 | WSW 12 | WSW 9 | — | — | — | — |
| kJ | — | — | 11 | — | — | — | — | — | — | — | — | 10 | 1423 | 2142 | 1852 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 1 | 1 | 0 | 0 | 0 | 17 | 17 | 17 | 16 | 17 | 17 | 31 | 384 | 907 | 1001 | 1275 | 27 | 6 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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