Surf Forecasts:
How big are the waves at Thermopylae today (23 Oct):
- Morning surf: Morning surf (23 Oct, local time) - 7ft (2.1m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (23 Oct, local time) - 7ft (2.1m), 11s period with SSW swell.
- Evening surf: Evening surf (23 Oct, local time) - 5.5ft (1.7m), 11s period with SSW swell.
The current surf forecast for Thermopylae at 7PM is: 1.8m 11s primary swell from a South-southwest direction and 0.6m 9s secondary swell from a West direction (forecast issued at 01:00pm October 23). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | 7ft (2.1m) | 12s |
| Afternoon (23 Oct) | 7ft (2.1m) | 11s |
| Evening (23 Oct) | 5.5ft (1.7m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Fri afternoon, min 15°C on Sun night). Winds increasing (light winds from the S on Fri night, fresh winds from the SSE by Sun afternoon). | |||||||||||||||||||||
Fri 23 | Saturday 24 | Sunday 25 | |||||||||||||||||||
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) | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SSW 9 | SW 9 | SW 9 | WSW 11 | SW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1398 | 1175 | 910 | 800 | 606 | 499 | 433 | 339 | 320 | 267 | 240 | 220 | 293 | 262 | 154 | 125 | 103 | 81 | 64 | 40 | 41 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:24PM1.70m | 1:50AM1.63m | 1:58PM1.80m | 2:24AM1.72m | 2:32PM1.88m | ||||||||||||||||
Low Tide | 7:42PM0.38m | 7:47AM0.43m | 8:15PM0.28m | 8:22AM0.35m | 8:49PM0.21m | ||||||||||||||||
 | | |  | | | | |  | | | | | | | | |  | |  | | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 21 | 19 | 18 | 18 | 17 | 16 | 17 | 19 | 20 | 19 | 16 | 16 | 16 | 16 | 16 | 18 | 18 | 17 | 16 | 16 |
Feels °C | 17 | 18 | 16 | 17 | 18 | 17 | 16 | 18 | 18 | 16 | 15 | 12 | 13 | 12 | 13 | 12 | 13 | 13 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SSW 9 | SW 9 | SW 9 | SW 9 | SW 9 |
| kJ | 1398 | 1175 | 910 | 800 | 606 | 499 | 433 | 339 | 320 | 267 | 240 | 220 | 293 | 262 | 154 | 125 | 103 | 81 | 64 | 29 | 41 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | WSW 13 | WSW 12 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WSW 11 |
| kJ | 96 | 92 | 89 | 61 | 58 | 57 | 56 | 54 | 50 | 33 | 48 | 46 | 33 | 49 | 33 | 48 | 31 | 29 | 29 | 18 | 40 |
Swell 3 Height (m) Direction Period (s) | NW 13 | W 16 | W 16 | W 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | SW 16 | W 16 | WSW 12 | WSW 12 | W 12 | WSW 11 | WSW 11 | WSW 11 | WSW 8 |
| kJ | 7 | 5 | 5 | 5 | 22 | 42 | 42 | 21 | 36 | 59 | 59 | 59 | 10 | 5 | 49 | 49 | 72 | 43 | 41 | 40 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 3 | S 3 | SSE 4 | S 4 | S 4 | S 4 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 7 | 10 | 19 | 36 | 38 | 40 | 66 | 91 | 143 | 229 | 229 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 17 | 17 | 17 | 1 | 1 | 0 | 0 | 8 | 27 | 27 | 40 | 21 | 53 | 53 | 53 | 344 | 344 | 405 | 405 | 13 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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