Surf Forecasts:
How big are the waves at Porthtowan today (19 Aug):
- Afternoon surf: Afternoon surf (19 Aug, local time) - 5ft (1.5m), 6s period with W swell.
- Evening surf: Evening surf (19 Aug, local time) - 6.5ft (2.0m), 7s period with W swell.
The current surf forecast for Porthtowan at 10PM is: 2.0m 8s primary swell from a West direction and 0.3m 16s secondary swell from a Southwest direction (forecast issued at 06:00pm August 19). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | - | - |
| Afternoon (19 Aug) | 5ft (1.5m) | 6s |
| Evening (19 Aug) | 6.5ft (2.0m) | 7s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Fri morning. Very mild (max 19°C on Wed afternoon, min 15°C on Thu night). Mainly fresh winds. | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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 6 | W 7 | W 8 | W 8 | W 8 | W 9 | W 9 | WNW 9 | W 9 | WNW 9 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | WNW 8 | WNW 6 | WNW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 176 | 293 | 463 | 634 | 736 | 759 | 794 | 845 | 690 | 639 | 527 | 397 | 281 | 225 | 173 | 140 | 119 | 53 | 41 |
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-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 10:29PM5.07m | 10:52AM4.83m | 11:20PM4.59m | 11:51AM4.44m | |||||||||||||||
Low Tide | 4:23PM1.44m | 4:45AM1.69m | 5:10PM1.88m | 5:37AM2.10m | 6:16PM2.23m | ||||||||||||||
 | |  |  |  |  | |  | | | | |  |  | | | | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | 8:32 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:29 | — |
mm | — | — | — | — | 1 | — | — | 1 | — | 1 | — | — | — | — | 2 | 1 | — | — | — |
Temp °C | 19 | 18 | 18 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 14 | 13 | 14 | 12 | 13 | 11 | 12 | 12 | 12 | 13 | 12 | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 14 | SW 14 | W 9 | WNW 9 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | WNW 8 | WNW 6 | WNW 6 |
| kJ | 24 | 39 | 38 | 36 | 21 | 21 | 21 | 33 | 690 | 639 | 527 | 397 | 281 | 225 | 173 | 140 | 119 | 53 | 41 |
Swell 2 Height (m) Direction Period (s) | SSW 5 | SSW 16 | — | — | — | — | — | — | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WSW 8 | W 9 |
| kJ | 2 | 24 | — | — | — | — | — | — | 33 | 33 | 32 | 19 | 18 | 17 | 17 | 17 | 17 | 13 | 24 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 13 | SSW 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 10 | 25 | 25 | 25 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | W 6 | W 7 | W 8 | W 8 | W 8 | W 9 | W 9 | WNW 9 | N 5 | N 5 | N 5 | N 5 | N 6 | N 5 | N 6 | N 6 | N 6 | N 5 | N 5 |
| kJ | 176 | 293 | 463 | 634 | 736 | 759 | 794 | 845 | 13 | 12 | 16 | 37 | 41 | 47 | 75 | 64 | 38 | 36 | 20 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 556 | 227 | 210 | 210 | 210 | 164 | 159 | 284 | 218 | 164 | 23 | 23 | 71 | 83 | 83 | 83 | 210 | 23 | 22 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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