Surf Forecasts:
How big are the waves at Thermopylae today (01 Nov):
- Morning surf: Morning surf (01 Nov, local time) - 7.5ft (2.3m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (01 Nov, local time) - 7ft (2.2m), 13s period with SW swell.
- Evening surf: Evening surf (01 Nov, local time) - 6.5ft (2.0m), 12s period with SW swell.
The current surf forecast for Thermopylae at 1AM is: 2.2m 13s primary swell from a Southwest direction and 0.8m 12s secondary swell from a West direction, 0.9m 5s secondary swell from a South direction (forecast issued at 07:00pm October 31). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Nov) | 7.5ft (2.3m) | 13s |
| Afternoon (01 Nov) | 7ft (2.2m) | 13s |
| Evening (01 Nov) | 6.5ft (2.0m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Tue morning, min 15°C on Sun night). Winds decreasing (fresh winds from the S on Sun afternoon, calm by Tue morning). | |||||||||||||||||||
Sat 31 | Sunday 1 | Monday 2 | |||||||||||||||||
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) | WSW 11 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 603 | 586 | 1380 | 1838 | 2141 | 1858 | 1697 | 1583 | 1545 | 1225 | 1337 | 706 | 625 | 683 | 655 | 533 | 403 | 347 | 347 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 7:08PM1.42m | 7:59AM1.44m | 8:38PM1.31m | 9:35AM1.42m | 10:26PM1.31m | ||||||||||||||
Low Tide | 1:30AM0.66m | 2:38PM0.75m | 3:08AM0.73m | 4:26PM0.72m | |||||||||||||||
 |  | | | | |  | |  |  |  | | | | | | | | | |
 | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 17 | 16 | 16 | 16 | 17 | 18 | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 16 |
Feels °C | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 11 | W 12 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 |
| kJ | 603 | 546 | 1380 | 1838 | 2141 | 1858 | 1697 | 1583 | 1545 | 1225 | 1337 | 706 | 625 | 683 | 655 | 533 | 403 | 347 | 347 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 18 | W 18 | W 18 | W 10 | W 16 | W 16 |
| kJ | 218 | 586 | 416 | 105 | 72 | 102 | 71 | 71 | 60 | 38 | 37 | 37 | 21 | 6 | 6 | 6 | 17 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | SSW 10 | SSW 10 | — | ESE 9 | SE 9 | SE 9 | SE 9 | — | — | — | — | — | SE 13 | W 18 | W 18 | W 18 | — | — | W 16 |
| kJ | 65 | 65 | — | 8 | 3 | 3 | 3 | — | — | — | — | — | 7 | 6 | 6 | 6 | — | — | 5 |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | S 5 | — | SSE 5 | — | — | — | — | SSE 4 | SSE 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 |
| kJ | 36 | 43 | 42 | — | 20 | — | — | — | — | 25 | 54 | 184 | 253 | 187 | 121 | 138 | 160 | 194 | 171 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 283 | 27 | 27 | 8 | 8 | 27 | 27 | 344 | 344 | 87 | 53 | 52 | 53 | 87 | 283 | 344 | 344 | 87 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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