Surf Forecasts:
How big are the waves at Porthtowan today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 8ft (2.4m), 8s period with W swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 7.5ft (2.3m), 11s period with W swell.
- Evening surf: Evening surf (19 Sep, local time) - 6.5ft (2.0m), 11s period with W swell.
The current surf forecast for Porthtowan at 4PM is: 2.3m 11s primary swell from a West direction and 0.1m 15s secondary swell from a Southwest direction (forecast issued at 12:00pm September 19). An open ocean swell of 0.1m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 8ft (2.4m) | 8s |
| Afternoon (19 Sep) | 7.5ft (2.3m) | 11s |
| Evening (19 Sep) | 6.5ft (2.0m) | 11s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Very mild (max 19°C on Mon morning, min 15°C on Sat night). Winds decreasing (fresh winds from the SW on Sat morning, calm by Mon morning). | |||||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||||
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 8 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | WNW 11 | WNW 11 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | WNW 11 | WNW 11 | W 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 765 | 1295 | 1210 | 1009 | 915 | 1009 | 730 | 670 | 606 | 543 | 495 | 495 | 418 | 358 | 307 | 324 | 274 | 274 | 209 | 158 | 143 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross |
High Tide | 11:00AM4.42m | 11:41PM4.13m | 12:28PM4.15m | 1:29AM4.03m | 2:15PM4.26m | ||||||||||||||||
Low Tide | 5:28PM2.29m | 6:06AM2.47m | 7:12PM2.45m | 7:56AM2.45m | 8:48PM2.23m | ||||||||||||||||
 | | | |  | |  | |  | | | |  | | | | | | | | | |
 | 7:01 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — |
 | — | — | — | 7:27 | — | — | — | — | — | — | — | 7:23 | — | — | — | — | — | — | — | 7:22 | — |
mm | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 17 | 19 | 19 | 17 | 17 |
Feels °C | 13 | 13 | 16 | 15 | 15 | 15 | 14 | 13 | 13 | 14 | 14 | 13 | 15 | 15 | 15 | 15 | 17 | 19 | 19 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | W 11 | W 11 | W 11 | W 11 | W 11 | WNW 11 | WNW 11 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | WNW 11 | WNW 11 | W 11 |
| kJ | 10 | 10 | 9 | 8 | 8 | 810 | 730 | 670 | 606 | 543 | 495 | 495 | 418 | 358 | 307 | 324 | 274 | 274 | 209 | 158 | 143 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | SW 15 | S 11 | SW 14 | SW 14 | SW 14 | SW 14 | NNW 4 | SW 14 | SW 14 | N 5 | N 5 | N 5 | N 5 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 3 | 2 | 2 | 8 | 2 | 8 | 8 | 8 | 8 | 3 | 8 | 7 | 2 | 2 | 2 | 2 | 7 | 7 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 11 | — | — | — | — | — | SW 14 | — | — | SW 13 | SW 13 | SW 13 | SW 13 | — | — | — | — | — |
| kJ | — | — | — | 2 | — | — | — | — | — | 8 | — | — | 7 | 7 | 7 | 7 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 11 | W 11 | W 11 | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 765 | 1295 | 1210 | 1009 | 915 | 1009 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 210 | 227 | 18 | 17 | 208 | 208 | 29 | 22 | 22 | 23 | 23 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 10 | 12 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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