Surf Forecasts:
How big are the waves at Porthtowan today (12 Sep):
- Afternoon surf: Afternoon surf (12 Sep, local time) - 5.5ft (1.7m), 8s period with W swell.
- Evening surf: Evening surf (12 Sep, local time) - 6ft (1.9m), 10s period with W swell.
The current surf forecast for Porthtowan at 10PM is: 1.9m 10s primary swell from a West direction (forecast issued at 06:00pm September 12). An open ocean swell of 0.1m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | - | - |
| Afternoon (12 Sep) | 5.5ft (1.7m) | 8s |
| Evening (12 Sep) | 6ft (1.9m) | 10s |
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 16°C on Tue morning). Winds increasing (light winds from the SW on Sun night, fresh winds from the WNW by Tue morning). | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||
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 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 373 | 588 | 696 | 676 | 601 | 522 | 512 | 441 | 432 | 377 | 318 | 262 | 240 | 230 | 225 | 185 | 177 | 140 | 137 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off |
High Tide | 6:48PM6.80m | 7:07AM6.57m | 7:24PM6.68m | 7:41AM6.44m | 7:59PM6.41m | ||||||||||||||
Low Tide | 1:11AM-0.04m | 1:25PM0.06m | 1:44AM0.13m | 1:58PM0.25m | |||||||||||||||
 |  |  | |  | |  | | | | | |  | | | | | | | |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | 7:42 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 19 | 18 |
Feels °C | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 20 | 18 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | NW 12 | SW 15 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 12 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 |
| kJ | 40 | 8 | 696 | 676 | 601 | 522 | 512 | 441 | 432 | 377 | 318 | 262 | 6 | 230 | 225 | 185 | 177 | 140 | 137 |
Swell 2 Height (m) Direction Period (s) | SW 15 | S 15 | S 14 | S 14 | S 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | S 13 | S 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | W 12 |
| kJ | 8 | 4 | 4 | 4 | 4 | 7 | 7 | 7 | 7 | 7 | 3 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | W 13 | SW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | W 8 | W 9 | — | — | — | — | — | — | — | — | — | — | W 9 | — | — | — | — | — | — |
| kJ | 373 | 588 | — | — | — | — | — | — | — | — | — | — | 240 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 218 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 102 | 17 | 5 | 17 | 17 | 5 | 17 | 17 | 17 | 17 | 0 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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