Surf Forecasts:
How big are the waves at Porthtowan today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 4ft (1.2m), 9s period with W swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.1m), 9s period with W swell.
- Evening surf: Evening surf (14 Sep, local time) - 3.5ft (1.1m), 8s period with WSW swell.
The current surf forecast for Porthtowan at 8AM is: 1.2m 9s primary swell from a West direction and 0.1m 12s secondary swell from a Southwest direction, 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00am September 14). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 4ft (1.2m) | 9s |
| Afternoon (14 Sep) | 3.5ft (1.1m) | 9s |
| Evening (14 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 20°C on Mon morning, min 14°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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 | 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 9 | W 9 | W 9 | W 9 | W 9 | WSW 8 | WSW 8 | WSW 6 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 9 | WNW 9 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | W 11 | W 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 307 | 235 | 235 | 230 | 190 | 181 | 180 | 171 | 123 | 243 | 299 | 407 | 418 | 522 | 593 | 663 | 1001 | 1111 | 1118 | 954 | 778 | 698 | 595 | 506 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | cross-on |
High Tide | 7:41AM6.44m | 7:59PM6.41m | 8:15AM6.17m | 8:33PM6.00m | 8:49AM5.79m | 9:08PM5.53m | ||||||||||||||||||
Low Tide | 1:44AM0.13m | 1:58PM0.25m | 2:16AM0.43m | 2:30PM0.57m | 2:47AM0.82m | 3:03PM0.97m | ||||||||||||||||||
 | |  |  | | |  |  | |  | | | | | |  | | | | | | | | | |
 | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:32 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 18 | 20 | 20 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 |
Feels °C | 17 | 17 | 16 | 17 | 19 | 18 | 18 | 16 | 16 | 14 | 13 | 11 | 12 | 10 | 11 | 12 | 10 | 10 | 8 | 9 | 11 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | SW 12 | W 9 | W 9 | SW 12 | SW 12 | W 12 | W 8 | WNW 11 | W 11 | S 11 | S 11 | S 11 | S 11 | S 11 | — | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | N 6 | N 6 |
| kJ | 307 | 235 | 6 | 230 | 190 | 6 | 6 | 12 | 22 | 41 | 61 | 2 | 2 | 2 | 2 | 2 | — | 1111 | 1118 | 954 | 778 | 698 | 21 | 15 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | W 14 | W 13 | SW 12 | WNW 12 | SW 12 | S 12 | S 11 | — | — | — | S 11 | — | S 11 | — | S 11 | N 6 | N 6 | S 13 | S 13 |
| kJ | 7 | 6 | 6 | 6 | 6 | 4 | 3 | 6 | 27 | 6 | 3 | 2 | — | — | — | 2 | — | 2 | — | 2 | 39 | 29 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 14 | SW 12 | SW 12 | SW 12 | S 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 4 | 6 | 6 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | W 9 | — | — | W 9 | WSW 8 | WSW 8 | WSW 6 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 9 | WNW 9 | — | — | N 6 | — | — | W 11 | W 10 |
| kJ | — | — | 235 | — | — | 181 | 180 | 171 | 123 | 243 | 299 | 407 | 418 | 522 | 593 | 663 | 1001 | — | — | 49 | — | — | 595 | 506 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 191 | 210 | 218 | 1518 | 218 | 286 | 104 | 104 | 58 | 58 | 58 | 23 | 104 | 104 | 208 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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