Surf Forecasts:
How big are the waves at Porthtowan today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 5ft (1.6m), 9s period with W swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 3.5ft (1.0m), 9s period with WNW swell.
- Evening surf: Evening surf (09 Sep, local time) - 2.5ft (0.8m), 9s period with WNW swell.
The current surf forecast for Porthtowan at 5PM is: 0.9m 9s primary swell from a West-northwest direction and 0.7m 8s secondary swell from a West-southwest direction (forecast issued at 12:00pm September 09). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 5ft (1.6m) | 9s |
| Afternoon (09 Sep) | 3.5ft (1.0m) | 9s |
| Evening (09 Sep) | 2.5ft (0.8m) | 9s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 18°C on Thu morning, min 14°C on Wed night). Winds decreasing (fresh winds from the SSW on Thu morning, light winds from the W by Fri afternoon). | |||||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | |||||||||||||||||||
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 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WSW 8 | WSW 7 | WSW 5 | WSW 7 | WSW 7 | W 9 | W 9 | WSW 9 | W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 386 | 213 | 169 | 137 | 88 | 73 | 51 | 78 | 42 | 163 | 414 | 899 | 854 | 639 | 614 | 470 | 372 | 311 | 258 | 201 | 161 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-off |
High Tide | 4:47PM6.06m | 5:12AM6.03m | 5:31PM6.48m | 5:53AM6.36m | 6:11PM6.74m | ||||||||||||||||
Low Tide | 10:49AM0.82m | 11:18PM0.45m | 11:34AM0.41m | 11:59PM0.11m | 12:14PM0.13m | ||||||||||||||||
 |  | | |  |  | | | |  | |  | | |  | | | | | | | |
 | 6:46 | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:44 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 17 | 18 | 17 | 17 | 17 | 18 | 18 | 16 | 17 | 17 | 18 | 17 | 16 |
Feels °C | 11 | 11 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 13 | 16 | 16 | 16 | 14 | 15 | 15 | 17 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | W 9 | WNW 9 | WNW 9 | WNW 9 | WSW 8 | WNW 8 | WSW 8 | WNW 8 | WNW 8 | W 11 | — | — | W 9 | WSW 9 | W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 |
| kJ | 386 | 213 | 169 | 137 | 71 | 73 | 51 | 22 | 21 | 9 | — | — | 854 | 639 | 614 | 470 | 372 | 311 | 258 | 201 | 161 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WNW 9 | WSW 8 | WNW 8 | N 6 | WSW 7 | N 5 | — | — | — | — | — | — | — | S 16 | S 16 | S 16 | S 16 |
| kJ | 119 | 82 | 71 | 56 | 88 | 39 | 38 | 5 | 18 | 2 | — | — | — | — | — | — | — | 5 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | W 12 | N 5 | W 11 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 39 | 29 | 25 | 18 | 11 | 10 | 11 | 2 | 9 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 6 | — | — | — | — | — | — | WSW 7 | WSW 5 | WSW 7 | WSW 7 | W 9 | — | — | — | — | — | — | — | — | — |
| kJ | 40 | — | — | — | — | — | — | 78 | 42 | 163 | 414 | 899 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 20 | 20 | 20 | 17 | 16 | 0 | 0 | 0 | 209 | 210 | 246 | 210 | 17 | 20 | 20 | 20 | 20 | 23 | 17 | 16 | 0 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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