Surf Forecasts:
How big are the waves at Porthtowan today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 3ft (0.9m), 5s period with NW swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 1.5ft (0.4m), 8s period with WNW swell.
- Evening surf: Evening surf (10 Aug, local time) - 2ft (0.6m), 8s period with WNW swell.
The current surf forecast for Porthtowan at 7PM is: 0.6m 8s primary swell from a West-northwest direction and 0.4m 7s secondary swell from a Southwest direction, 0.5m 4s secondary swell from a North direction (forecast issued at 12:00pm August 10). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 3ft (0.9m) | 5s |
| Afternoon (10 Aug) | 1.5ft (0.4m) | 8s |
| Evening (10 Aug) | 2ft (0.6m) | 8s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 16°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NW 5 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 7 | W 13 | W 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 9 | WSW 9 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 41 | 23 | 22 | 53 | 37 | 33 | 33 | 21 | 19 | 18 | 12 | 26 | 61 | 85 | 106 | 125 | 125 | 117 | 142 | 144 | 180 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross | cross-off | cross-off | glassy | cross-on | cross-on |
High Tide | 4:00PM5.54m | 4:32AM5.62m | 4:57PM6.03m | 5:25AM6.02m | 5:47PM6.47m | ||||||||||||||||
Low Tide | 9:58AM1.29m | 10:34PM0.96m | 10:59AM0.85m | 11:30PM0.50m | 11:49AM0.44m | ||||||||||||||||
 |  | | |  | | | | | | | | | | | | | | | | | |
 | 6:01 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:47 | — | — | — | — | — | — | — | 8:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 18 | 17 | 16 | 17 | 18 | 18 | 21 | 23 | 23 | 22 | 21 | 20 | 20 | 19 | 24 | 25 | 26 | 24 | 20 |
Feels °C | 15 | 15 | 15 | 14 | 14 | 15 | 16 | 16 | 19 | 20 | 19 | 19 | 19 | 17 | 18 | 17 | 21 | 23 | 26 | 23 | 19 |
Swell 1 Height (m) Direction Period (s) | NW 5 | WNW 5 | WNW 5 | WNW 8 | WNW 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 9 | WSW 9 | W 9 |
| kJ | 41 | 20 | 14 | 53 | 37 | 33 | 33 | 21 | 19 | 18 | 11 | 11 | 61 | 85 | 106 | 125 | 125 | 117 | 142 | 144 | 180 |
Swell 2 Height (m) Direction Period (s) | SW 6 | WNW 8 | WNW 8 | SW 7 | SW 7 | SW 6 | N 4 | N 4 | SW 6 | W 10 | W 9 | W 12 | WNW 7 | WNW 7 | SW 12 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 5 | ESE 4 |
| kJ | 14 | 23 | 22 | 15 | 7 | 7 | 5 | 3 | 6 | 7 | 7 | 26 | 11 | 10 | 6 | 2 | 6 | 6 | 6 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | SW 6 | SW 6 | SW 13 | SW 13 | SW 13 | SW 6 | SW 6 | N 4 | SW 6 | W 13 | W 9 | W 9 | SW 6 | SW 6 | SW 12 | SW 6 | SW 6 | — | — | — |
| kJ | 24 | 14 | 15 | 7 | 7 | 7 | 6 | 6 | 1 | 1 | 12 | 6 | 2 | 1 | 1 | 6 | 1 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | N 4 | N 4 | N 4 | N 4 | N 4 | — | — | SE 3 | SE 2 | SE 3 | SE 3 | SE 5 | SE 5 | ESE 5 | E 5 | E 6 | E 6 | — | — | — |
| kJ | — | 5 | 9 | 8 | 8 | 5 | — | — | 1 | 1 | 5 | 4 | 6 | 7 | 5 | 37 | 48 | 64 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 22 | 40 | 23 | 218 | 24 | 22 | 38 | 191 | 206 | 393 | 403 | 33 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 20 | 20 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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