Surf Forecasts:
How big are the waves at Porthtowan today (27 Sep):
- Morning surf: Morning surf (27 Sep, local time) - 3.5ft (1.1m), 10s period with W swell.
- Afternoon surf: Afternoon surf (27 Sep, local time) - 5ft (1.5m), 10s period with WNW swell.
- Evening surf: Evening surf (27 Sep, local time) - 6ft (1.8m), 11s period with WNW swell.
The current surf forecast for Porthtowan at 3AM is: 1.4m 11s primary swell from a West direction (forecast issued at 12:00am September 27). An open ocean swell of 0.1m 13s is not directed at the surf break, a second open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | 3.5ft (1.1m) | 10s |
| Afternoon (27 Sep) | 5ft (1.5m) | 10s |
| Evening (27 Sep) | 6ft (1.8m) | 11s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Very mild (max 19°C on Tue morning, min 14°C on Sat night). Winds decreasing (fresh winds from the S on Sun morning, calm by Sun night). | ||||||||||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | ||||||||||||||||||||||
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 11 | W 11 | W 11 | W 10 | SW 7 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | W 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 545 | 396 | 326 | 265 | 421 | 596 | 823 | 757 | 731 | 786 | 718 | 718 | 747 | 651 | 553 | 466 | 338 | 275 | 216 | 170 | 136 | 108 | 73 | 57 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | on | on | cross-on | cross-on | on | glassy | glassy | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | cross-off |
High Tide | 6:09AM6.40m | 6:24PM6.66m | 6:42AM6.59m | 6:59PM6.74m | 7:18AM6.63m | 7:36PM6.64m | ||||||||||||||||||
Low Tide | 00:11AM0.18m | 12:24PM0.16m | 00:44AM0.02m | 12:58PM0.04m | 1:18AM0.02m | 1:34PM0.08m | ||||||||||||||||||
 | | |  |  |  | |  |  | | | | | | | | | | | | | |  |  | |
 | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 15 | 16 | 16 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 16 | 15 | 14 | 14 | 15 | 16 | 17 | 19 | 19 | 19 | 18 |
Feels °C | 11 | 11 | 10 | 12 | 12 | 11 | 11 | 12 | 12 | 13 | 14 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | 12 | 13 | 14 | 15 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 10 | SW 7 | SW 7 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | W 11 |
| kJ | 545 | 396 | 326 | 265 | 421 | 255 | 823 | 757 | 731 | 786 | 718 | 718 | 747 | 651 | 553 | 466 | 338 | 275 | 216 | 170 | 136 | 108 | 73 | 57 |
Swell 2 Height (m) Direction Period (s) | S 13 | SW 13 | SW 13 | — | SW 13 | SW 13 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | S 15 | — |
| kJ | 3 | 7 | 7 | — | 7 | 7 | 184 | 135 | 115 | 102 | 57 | 44 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 4 | — |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | — | — | — | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | — | — | — | — | — | — | S 15 | S 15 | — | S 15 | S 15 | — |
| kJ | 2 | 2 | — | — | — | 7 | 7 | 6 | 6 | 6 | 6 | 6 | — | — | — | — | — | — | 4 | 4 | — | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSE 4 | S 5 | SSW 6 | WNW 10 | WNW 10 | — | — | — | — | — | — | — | — | ESE 3 | ESE 3 | SE 3 | SE 4 | SE 4 | SE 4 | SSE 4 | SE 5 | S 5 | SSW 7 |
| kJ | 3 | 30 | 88 | 240 | 281 | 596 | — | — | — | — | — | — | — | — | 3 | 4 | 2 | 6 | 10 | 23 | 32 | 49 | 94 | 594 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 121 | 196 | 208 | 260 | 257 | 33 | 20 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 48 | 193 | 741 | 662 | 565 | 703 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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