Surf Forecasts:
How big are the waves at Porthtowan today (17 Oct):
- Afternoon surf: Afternoon surf (17 Oct, local time) - 7ft (2.1m), 12s period with W swell.
- Evening surf: Evening surf (17 Oct, local time) - 6ft (1.9m), 12s period with W swell.
The current surf forecast for Porthtowan at 12AM is: 1.8m 12s primary swell from a West direction and 0.9m 5s secondary swell from a North direction (forecast issued at 06:00pm October 16). An open ocean swell of 0.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | - | - |
| Afternoon (17 Oct) | 7ft (2.1m) | 12s |
| Evening (17 Oct) | 6ft (1.9m) | 12s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Fri night, min 9°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | |||||||||||||||||
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) | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 11 | W 11 | W 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 1170 | 1039 | 926 | 814 | 722 | 625 | 528 | 433 | 358 | 297 | 247 | 242 | 114 | 108 | 100 | 106 | 82 | 57 | 52 |
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 | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross | cross-on |
High Tide | 9:14PM5.00m | 9:33AM4.94m | 9:59PM4.57m | 10:26AM4.55m | |||||||||||||||
Low Tide | 3:09PM1.43m | 3:24AM1.70m | 3:54PM1.85m | 4:13AM2.08m | 4:58PM2.20m | ||||||||||||||
 |  | | | | | | |  |  | | | | | | | | |  | |
 | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — |
 | 6:28 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 14 | 13 | 12 | 12 | 13 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 11 | 11 | 11 | 12 |
Feels °C | 6 | 7 | 9 | 8 | 8 | 7 | 7 | 8 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 6 | 5 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 11 | W 11 | W 10 |
| kJ | 1170 | 1039 | 926 | 814 | 722 | 625 | 528 | 433 | 358 | 297 | 247 | 242 | 114 | 108 | 100 | 106 | 82 | 57 | 52 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 12 | S 12 | S 12 | S 12 | NNW 6 | S 12 | S 11 | N 6 | E 6 | S 11 | S 11 | WNW 10 | WNW 11 | WNW 11 | ESE 7 | NW 10 | E 7 | W 14 |
| kJ | 3 | 3 | 3 | 3 | 3 | 28 | 3 | 3 | 39 | 16 | 2 | 2 | 60 | 47 | 12 | 4 | 4 | 1 | 16 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 12 | NNW 6 | S 11 | S 11 | S 11 | S 11 | S 11 | N 5 | — | ESE 7 | — | ESE 7 | W 10 | E 7 |
| kJ | — | — | — | — | — | 3 | 10 | 3 | 2 | 2 | 2 | 2 | 12 | — | 4 | — | 4 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | N 5 | N 5 | N 5 | NNE 5 | N 6 | N 6 | ENE 4 | N 6 | NNE 5 | NNE 5 | ENE 3 | NNE 4 | NNE 4 | NNE 4 | N 4 | N 4 | N 4 |
| kJ | 40 | 43 | 42 | 42 | 51 | 35 | 61 | 61 | 6 | 39 | 29 | 21 | 3 | 13 | 10 | 7 | 10 | 16 | 13 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 269 | 29 | 29 | 29 | 22 | 22 | 22 | 22 | 22 | 22 | 0 | 0 | 0 | 10 | 22 | 22 | 241 | 22 | 218 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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