
Surf Forecasts:
How big are the waves at Thermopylae today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 5ft (1.5m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 4.5ft (1.3m), 12s period with SW swell.
- Evening surf: Evening surf (19 Sep, local time) - 6ft (1.9m), 14s period with SW swell.
The current surf forecast for Thermopylae at 1PM is: 1.3m 12s primary swell from a Southwest direction and 0.9m 14s secondary swell from a Southwest direction, 1.1m 6s secondary swell from a South-southeast direction (forecast issued at 07:00am September 19). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 5ft (1.5m) | 12s |
| Afternoon (19 Sep) | 4.5ft (1.3m) | 12s |
| Evening (19 Sep) | 6ft (1.9m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Mon afternoon, min 14°C on Sat morning). Wind will be generally light. | |||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||||||||
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 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 11 |
Wave Graph | |||||||||||||||||||||||
712 | 700 | 448 | 448 | 1063 | 1423 | 1527 | 1591 | 1452 | 1367 | 1288 | 1094 | 998 | 809 | 784 | 636 | 545 | 472 | 472 | 371 | 347 | 329 | 314 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | off |
High Tide | 8:50AM1.17m | 9:28PM1.15m | 11:21AM1.20m | 11:45PM1.20m | 12:29PM1.32m | ||||||||||||||||||
Low Tide | 2:06AM0.84m | 3:12PM0.95m | 4:29AM0.87m | 5:44PM0.89m | 6:01AM0.79m | 6:43PM0.77m | |||||||||||||||||
6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | |
— | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 18 | 20 | 19 | 20 | 18 | 17 | 17 | 18 | 23 | 25 | 24 | 22 | 20 | 19 | 19 | 19 | 24 | 27 | 27 | 26 | 24 |
Feels °C | 12 | 12 | 16 | 17 | 16 | 18 | 16 | 15 | 15 | 16 | 22 | 23 | 23 | 21 | 19 | 18 | 18 | 18 | 24 | 26 | 26 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 11 |
712 | 700 | 448 | 448 | 1063 | 1423 | 1527 | 1591 | 1452 | 1367 | 1288 | 1094 | 998 | 809 | 784 | 636 | 545 | 472 | 472 | 371 | 347 | 329 | 314 | |
Swell 2 Height (m) Direction Period (s) | SW 16 | — | SW 14 | SW 14 | — | — | — | — | — | — | SSE 6 | — | — | — | — | — | — | — | — | SSE 6 | SSW 15 | SSE 6 | SW 14 |
127 | — | 301 | 350 | — | — | — | — | — | — | 55 | — | — | — | — | — | — | — | — | 53 | 87 | 44 | 167 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | — | SSW 14 | SSE 6 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 57 | — | 140 | 35 | |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SE 6 | — |
91 | 80 | 60 | 115 | 190 | 202 | 164 | 115 | 88 | 72 | 119 | 34 | 55 | 119 | 127 | 154 | 91 | 66 | 68 | 128 | 44 | 113 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 174 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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