Surf Forecasts:
How big are the waves at Porthtowan today (13 Aug):
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4ft (1.2m), 10s period with W swell.
- Evening surf: Evening surf (13 Aug, local time) - 3.5ft (1.1m), 10s period with W swell.
The current surf forecast for Porthtowan at 11PM is: 1.1m 10s primary swell from a West direction (forecast issued at 06:00pm August 13). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | - | - |
| Afternoon (13 Aug) | 4ft (1.2m) | 10s |
| Evening (13 Aug) | 3.5ft (1.1m) | 10s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Thu afternoon, min 16°C on Sat afternoon). Wind will be generally light. | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||
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 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 284 | 234 | 228 | 219 | 173 | 166 | 129 | 126 | 123 | 140 | 165 | 165 | 129 | 127 | 117 | 114 | 95 | 93 | 72 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:31PM6.76m | 6:54AM6.50m | 7:13PM6.86m | 7:34AM6.51m | 7:53PM6.76m | ||||||||||||||
Low Tide | 1:00AM-0.06m | 1:15PM0.01m | 1:40AM-0.08m | 1:54PM0.05m | |||||||||||||||
 | |  | |  |  | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | 8:44 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 19 | 19 | 19 | 20 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 18 | 18 | 17 | 16 | 16 |
Feels °C | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 19 | 18 | 16 | 17 | 15 | 14 | 13 | 13 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
| kJ | 284 | 234 | 228 | 219 | 173 | 166 | 129 | 126 | 123 | 140 | 165 | 165 | 129 | 127 | 117 | 114 | 95 | 93 | 72 |
Swell 2 Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 4 | — | S 13 | S 13 | S 13 | S 13 | S 13 | SW 13 | SW 13 | S 13 | S 14 | — | — | — | S 12 | S 12 |
| kJ | 4 | 1 | 1 | 1 | — | 3 | 3 | 3 | 3 | 3 | 7 | 7 | 4 | 4 | — | — | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | S 11 | S 11 | S 11 | S 11 | S 11 | S 13 | S 13 | S 11 | S 10 | S 10 | S 10 | S 10 | S 14 | — | — | S 12 | — | — |
| kJ | — | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 4 | — | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 3 | — | — | — | — | — | — | WNW 2 | WNW 3 | — | — | N 4 | N 4 | N 4 | N 4 | N 4 | N 4 | N 4 |
| kJ | 2 | 2 | — | — | — | — | — | — | 1 | 4 | — | — | 10 | 18 | 18 | 17 | 13 | 19 | 20 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 218 | 34 | 17 | 18 | 17 | 17 | 17 | 17 | 218 | 23 | 23 | 23 | 238 | 238 | 257 | 23 | 505 | 280 | 23 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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