Surf Forecasts:
How big are the waves at Thermopylae today (04 Oct):
- Morning surf: Morning surf (04 Oct, local time) - 3.5ft (1.1m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (04 Oct, local time) - 5ft (1.6m), 12s period with SW swell.
- Evening surf: Evening surf (04 Oct, local time) - 6.5ft (2.0m), 14s period with SW swell.
The current surf forecast for Thermopylae at 10AM is: 1.1m 11s primary swell from a Southwest direction and 0.8m 11s secondary swell from a West-southwest direction, 1.2m 7s secondary swell from a Southeast direction (forecast issued at 01:00am October 04). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Oct) | 3.5ft (1.1m) | 11s |
| Afternoon (04 Oct) | 5ft (1.6m) | 12s |
| Evening (04 Oct) | 6.5ft (2.0m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Mon night. Warm (max 23°C on Sun afternoon, min 12°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the SSE by Tue afternoon). | ||||||||||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||||||||||||
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 | 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 10 | SW 10 | SW 11 | SW 11 | SW 12 | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 244 | 232 | 242 | 411 | 700 | 1228 | 1378 | 1367 | 1326 | 1092 | 903 | 799 | 718 | 1154 | 1349 | 1206 | 1155 | 774 | 1703 | 7370 | 7520 | 7950 | 7950 | 7620 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross | cross | cross | cross | cross-off | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 9:49AM1.32m | 10:42PM1.30m | 11:31AM1.42m | 00:10AM1.40m | 12:34PM1.56m | |||||||||||||||||||
Low Tide | 3:22AM0.76m | 4:36PM0.77m | 5:12AM0.72m | 6:04PM0.65m | 6:21AM0.61m | 7:00PM0.51m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  |  |  |  |  |  | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 9 | 2 | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 21 | 23 | 23 | 20 | 19 | 18 | 18 | 18 | 19 | 19 | 18 | 16 | 15 | 14 | 14 | 14 | 13 | 15 | 14 | 14 | 13 |
Feels °C | 14 | 13 | 14 | 20 | 20 | 20 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 15 | 13 | 12 | 10 | 9 | 8 | 9 | 6 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 11 | SW 11 | SW 12 | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 244 | 226 | 242 | 411 | 700 | 1228 | 1378 | 1367 | 1326 | 1092 | 903 | 799 | 718 | 1154 | 1349 | 1206 | 1155 | 774 | 1703 | 7370 | 7520 | 7950 | 7950 | 7620 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | WSW 12 | WSW 10 | WSW 11 | W 11 | SE 7 | W 10 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | WSW 16 | SE 8 | SE 8 | SE 9 | SW 12 | WSW 16 | WSW 16 | WSW 16 | — | — | — | — |
| kJ | 80 | 232 | 173 | 156 | 114 | 12 | 47 | 10 | 11 | 38 | 20 | 20 | 173 | 18 | 18 | 12 | 71 | 691 | 1517 | 3062 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 10 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | W 10 | W 10 | — | — | — | SW 18 | — | SE 8 | SE 8 | — | — | — | SW 12 | — | — | — | — | — | — |
| kJ | 127 | 51 | 40 | 31 | 26 | 70 | 47 | — | — | — | 13 | — | 20 | 18 | — | — | — | 77 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SE 7 | — | — | — | SE 8 | — | — | — | — | — | — | — | — | W 4 | WSW 5 | WSW 7 | SSW 10 | — | — | — | — | — |
| kJ | 184 | 141 | 124 | — | — | — | 15 | — | — | — | — | — | — | — | — | 12 | 39 | 372 | 612 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 21 | 8 | 1 | 0 | 0 | 0 | 0 | 17 | 17 | 17 | 17 | 17 | 26 | 139 | 423 | 24 | 344 | 344 | 63 | 52 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
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