
Surf Forecasts:
How big are the waves at Porthtowan today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4.5ft (1.3m), 12s period with W swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4ft (1.2m), 12s period with WNW swell.
- Evening surf: Evening surf (20 Oct, local time) - 3.5ft (1.0m), 13s period with WNW swell.
The current surf forecast for Porthtowan at 4AM is: 1.3m 13s primary swell from a West-northwest direction and 0.2m 5s secondary swell from a North direction (forecast issued at 12:00am October 20). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4.5ft (1.3m) | 12s |
| Afternoon (20 Oct) | 4ft (1.2m) | 12s |
| Evening (20 Oct) | 3.5ft (1.0m) | 13s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Thu afternoon. Very mild (max 14°C on Tue morning, min 10°C on Tue night). Winds increasing (light winds from the S on Mon night, near gales from the WNW by Wed morning). | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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) | WNW 13 | WNW 13 | WNW 13 | W 12 | WNW 12 | WNW 12 | WNW 13 | WNW 13 | W 7 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 10 | W 10 | W 12 | W 12 | W 12 | W 12 | W 12 | SSW 8 | SSW 10 |
Wave Graph | ||||||||||||||||||||||||
617 | 599 | 499 | 513 | 447 | 461 | 424 | 298 | 880 | 5134 | 8408 | 7782 | 6566 | 5060 | 4251 | 2899 | 2692 | 2873 | 2377 | 2079 | 1382 | 1146 | 1048 | 2926 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:35AM4.08m | 1:18PM4.34m | 2:04AM4.30m | 2:31PM4.66m | 3:03AM4.71m | 3:21PM5.11m | ||||||||||||||||||
Low Tide | 7:02AM2.38m | 7:56PM2.17m | 8:21AM2.12m | 8:58PM1.80m | 9:17AM1.71m | 9:45PM1.34m | ||||||||||||||||||
— | — | 7:50 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | |
— | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — | |
mm | — | — | — | — | — | — | 1 | 2 | 2 | — | 1 | 1 | 1 | — | — | 3 | 2 | — | — | — | 2 | 2 | 8 | 1 |
Temp °C | 12 | 12 | 11 | 12 | 14 | 14 | 12 | 12 | 12 | 11 | 10 | 11 | 12 | 13 | 12 | 13 | 13 | 13 | 12 | 13 | 14 | 13 | 14 | 12 |
Feels °C | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 4 | 4 | -1 | -2 | -2 | 0 | 2 | 3 | 4 | 6 | 7 | 9 | 10 | 8 | 5 | 4 | 2 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 13 | WNW 13 | W 12 | WNW 12 | WNW 12 | WNW 13 | WNW 13 | — | — | — | — | — | — | — | N 7 | N 7 | N 6 | W 12 | W 12 | W 12 | W 12 | WNW 11 | WNW 12 |
617 | 599 | 499 | 513 | 447 | 461 | 424 | 298 | — | — | — | — | — | — | — | 54 | 36 | 41 | 2377 | 2079 | 1382 | 1146 | 614 | 497 | |
Swell 2 Height (m) Direction Period (s) | NE 5 | N 5 | SSE 5 | ESE 4 | E 4 | E 4 | — | — | — | — | — | — | — | — | — | — | — | — | N 7 | N 6 | N 6 | N 6 | N 6 | — |
7 | 2 | 2 | 8 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 32 | 19 | 12 | 3 | 1 | — | |
Swell 3 Height (m) Direction Period (s) | NNW 5 | N 5 | N 5 | N 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | SE 5 | — | — | SW 3 | SW 4 | SW 5 | SW 6 | W 7 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 10 | W 10 | W 12 | — | — | SW 8 | SSW 7 | SSW 8 | SSW 10 |
— | 4 | — | — | 2 | 14 | 67 | 239 | 880 | 5134 | 8408 | 7782 | 6566 | 5060 | 4251 | 2899 | 2692 | 2873 | — | — | 173 | 335 | 1048 | 2926 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 17 | 19 | 42 | 277 | 503 | 527 | 236 | 283 | 284 | 630 | 260 | 165 | 159 | 154 | 20 | 10 | 42 | 503 | 390 | 576 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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