Surf Forecasts:
How big are the waves at Porthtowan today (22 Aug):
- Afternoon surf: Afternoon surf (22 Aug, local time) - 3.5ft (1.0m), 8s period with W swell.
- Evening surf: Evening surf (22 Aug, local time) - 2.5ft (0.7m), 8s period with W swell.
The current surf forecast for Porthtowan at 12AM is: 0.3m 16s primary swell from a Southwest direction and 0.5m 5s secondary swell from a West-northwest direction, 0.4m 9s secondary swell from a West direction, 0.6m 5s secondary swell from a North direction (forecast issued at 06:00pm August 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | - | - |
| Afternoon (22 Aug) | 3.5ft (1.0m) | 8s |
| Evening (22 Aug) | 2.5ft (0.7m) | 8s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sun afternoon, min 14°C on Fri night). Winds increasing (light winds from the NNE on Fri night, fresh winds from the E by Mon morning). | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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) | WNW 8 | WNW 8 | W 8 | SW 16 | W 8 | W 10 | W 10 | W 9 | W 9 | W 9 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 12 | WSW 11 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 112 | 69 | 66 | 39 | 61 | 65 | 45 | 28 | 25 | 39 | 55 | 54 | 54 | 52 | 51 | 44 | 55 | 46 | 40 |
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-off | cross | cross-off | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:32AM4.24m | 1:16PM4.23m | 2:06AM4.17m | 2:47PM4.35m | |||||||||||||||
Low Tide | 6:16PM2.23m | 6:55AM2.37m | 7:50PM2.36m | 8:32AM2.35m | 9:20PM2.18m | ||||||||||||||
 |  |  | | | | | | | | |  | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | 8:29 | — | — | — | — | — | — | — | 8:27 | — | — | — | — | — | — | — | 8:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 15 | 14 | 16 | 18 | 18 | 17 | 17 | 16 | 15 | 15 | 17 | 19 | 20 | 19 | 17 |
Feels °C | 10 | 10 | 13 | 15 | 14 | 12 | 13 | 15 | 15 | 13 | 15 | 13 | 12 | 13 | 14 | 16 | 17 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | W 8 | WNW 5 | N 6 | N 6 | N 6 | N 5 | W 9 | W 9 | W 9 | W 9 | W 9 | N 4 | N 4 | N 5 | WSW 12 | WSW 11 | SE 6 |
| kJ | 112 | 69 | 66 | 16 | 50 | 52 | 39 | 28 | 25 | 39 | 14 | 14 | 14 | 13 | 9 | 10 | 55 | 46 | 12 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | WSW 8 | WNW 8 | W 9 | W 8 | W 10 | W 10 | WNW 6 | WNW 6 | SSW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | N 4 | SE 6 | WSW 10 |
| kJ | 17 | 22 | 11 | 26 | 61 | 65 | 45 | 14 | 7 | 21 | 55 | 54 | 54 | 52 | 51 | 44 | 6 | 11 | 40 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 13 | SSW 13 | SW 16 | SW 16 | SW 15 | SSW 15 | W 9 | SSW 15 | ESE 5 | WNW 6 | NW 6 | W 6 | W 9 | W 9 | SE 5 | SE 6 | N 4 | SW 14 |
| kJ | 25 | 17 | 17 | 39 | 38 | 35 | 21 | 25 | 21 | 3 | 3 | 1 | 1 | 14 | 14 | 5 | 11 | 3 | 31 |
Wind waves Height (m) Direction Period (s) | N 5 | N 5 | NNW 5 | N 5 | — | — | — | E 3 | N 5 | N 5 | N 4 | N 5 | N 5 | — | ESE 5 | ESE 5 | ESE 5 | — | N 4 |
| kJ | 34 | 26 | 26 | 17 | — | — | — | 1 | 19 | 22 | 19 | 15 | 15 | — | 25 | 48 | 55 | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 234 | 23 | 23 | 15 | 0 | 10 | 0 | 10 | 36 | 22 | 22 | 22 | 0 | 0 | 0 | 0 | 5 | 10 | 0 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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