Surf Forecasts:
How big are the waves at Thermopylae today (02 Sep):
- Morning surf: Morning surf (02 Sep, local time) - 10ft (3.0m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (02 Sep, local time) - 10ft (3.0m), 13s period with SW swell.
- Evening surf: Evening surf (02 Sep, local time) - 8ft (2.5m), 13s period with SW swell.
The current surf forecast for Thermopylae at 1AM is: 3.5m 14s primary swell from a Southwest direction (forecast issued at 07:00pm September 01). The wind direction is predicted to be cross-offshore and the swell rating is 5.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | 10ft (3.0m) | 14s |
| Afternoon (02 Sep) | 10ft (3.0m) | 13s |
| Evening (02 Sep) | 8ft (2.5m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Thu morning. Very mild (max 18°C on Fri afternoon, min 12°C on Wed night). Winds increasing (calm on Wed night, near gales from the SE by Fri afternoon). | |||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | |||||||||||||||||
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 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | S 10 | S 10 | S 9 | S 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 3415 | 3890 | 3949 | 3844 | 3688 | 3488 | 3169 | 2837 | 2682 | 2386 | 2111 | 1700 | 1420 | 1116 | 965 | 3337 | 2252 | 1619 | 1619 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off | glassy | cross-off | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:44PM1.74m | 6:07AM1.55m | 6:26PM1.64m | 6:55AM1.44m | 7:19PM1.51m | ||||||||||||||
Low Tide | 11:59PM0.41m | 12:04PM0.49m | 00:44AM0.52m | 12:52PM0.62m | |||||||||||||||
 |  | | | | | | |  | | | | |  | |  | | | | |
 | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — |
 | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | — | — | — |
Temp °C | 14 | 14 | 14 | 13 | 13 | 13 | 15 | 16 | 16 | 15 | 14 | 13 | 12 | 12 | 13 | 15 | 15 | 15 | 15 |
Feels °C | 11 | 12 | 12 | 11 | 11 | 12 | 13 | 14 | 14 | 14 | 14 | 10 | 10 | 10 | 11 | 9 | 6 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 3415 | 3890 | 3949 | 3844 | 3688 | 3488 | 3169 | 2837 | 2682 | 2386 | 2111 | 1700 | 1420 | 1116 | 965 | 656 | 548 | 387 | 322 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 11 | S 9 | SSW 10 | S 10 | S 10 | — | WNW 12 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 184 | 113 | 154 | 148 | 117 | — | 29 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 10 | S 10 | S 9 | S 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3337 | 2252 | 1619 | 1619 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 26 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 6 | 0 | 0 | 1 | 130 | 405 | 1001 | 177 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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