Surf Forecasts:
How big are the waves at Porthtowan today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 1.5ft (0.4m), 7s period with WNW swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 1.5ft (0.5m), 7s period with W swell.
- Evening surf: Evening surf (16 Aug, local time) - 1.5ft (0.4m), 7s period with W swell.
The current surf forecast for Porthtowan at 10AM is: 0.4m 7s primary swell from a West-northwest direction and 0.3m 8s secondary swell from a West-southwest direction, 0.5m 4s secondary swell from a North direction (forecast issued at 06:00am August 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 1.5ft (0.4m) | 7s |
| Afternoon (16 Aug) | 1.5ft (0.5m) | 7s |
| Evening (16 Aug) | 1.5ft (0.4m) | 7s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sun night, min 16°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||||
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 | 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 7 | W 7 | WNW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | WNW 4 | WNW 5 | WNW 6 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | W 6 | W 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 28 | 27 | 16 | 25 | 25 | 15 | 15 | 12 | 15 | 28 | 43 | 137 | 96 | 91 | 84 | 77 | 69 | 73 | 95 | 86 | 101 | 104 | 112 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on |
High Tide | 8:13AM6.37m | 8:31PM6.49m | 8:51AM6.09m | 9:09PM6.08m | 9:28AM5.72m | 9:48PM5.59m | |||||||||||||||||
Low Tide | 2:31PM0.25m | 2:54AM0.38m | 3:07PM0.57m | 3:29AM0.78m | 3:44PM0.99m | ||||||||||||||||||
 |  |  | |  | |  | | | | | | | | | | | | | | | |  | |
 | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:38 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 20 | 20 | 19 | 19 | 18 | 16 | 17 | 18 | 19 | 19 | 19 | 19 | 18 | 18 |
Feels °C | 13 | 12 | 14 | 14 | 15 | 14 | 16 | 16 | 18 | 19 | 18 | 18 | 17 | 16 | 15 | 16 | 17 | 18 | 17 | 16 | 16 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | W 7 | W 7 | WNW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | WNW 9 | W 9 | WNW 8 | WNW 8 | SW 18 | SW 17 | SW 16 | SW 16 | W 8 | W 8 | SSW 17 | SW 17 | SW 17 | SSW 17 |
| kJ | 28 | 27 | 16 | 25 | 25 | 15 | 15 | 8 | 8 | 17 | 39 | 137 | 96 | 12 | 11 | 10 | 10 | 19 | 12 | 28 | 11 | 12 | 29 |
Swell 2 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | S 19 | N 4 | SW 18 | N 3 | — | WNW 10 | W 7 | SW 18 | SW 18 | SW 18 | — | — | SW 16 | SW 16 | SW 16 | SSW 17 | W 8 | SW 17 | — | — |
| kJ | 11 | 11 | 11 | 7 | 3 | 13 | 1 | — | 10 | 8 | 12 | 12 | 12 | — | — | 10 | 10 | 11 | 28 | 1 | 11 | — | — |
Swell 3 Height (m) Direction Period (s) | SW 12 | S 12 | S 12 | — | SW 18 | — | SW 18 | SW 18 | SW 18 | SW 18 | — | — | — | — | — | — | — | SSW 16 | — | — | — | — | — |
| kJ | 6 | 3 | 3 | — | 13 | — | 13 | 12 | 12 | 12 | — | — | — | — | — | — | — | 27 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 5 | N 4 | N 4 | N 4 | — | NW 3 | WNW 3 | WNW 4 | WNW 4 | WNW 5 | WNW 6 | — | — | WNW 7 | WNW 7 | WNW 7 | W 6 | W 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 |
| kJ | 20 | 13 | 9 | 5 | — | 2 | 4 | 4 | 15 | 28 | 43 | — | — | 91 | 84 | 77 | 69 | 73 | 95 | 86 | 101 | 104 | 112 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 245 | 40 | 246 | 286 | 401 | 505 | 317 | 246 | 280 | 280 | 280 | 401 | 415 | 218 | 210 | 210 | 210 | 210 | 159 | 403 | 889 | 812 | 846 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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