Surf Forecasts:
How big are the waves at Porthtowan today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 16ft (5.0m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 13ft (4.0m), 12s period with WNW swell.
- Evening surf: Evening surf (21 Oct, local time) - 13ft (4.0m), 9s period with W swell.
The current surf forecast for Porthtowan at 6AM is: 5.0m 12s primary swell from a West-northwest direction (forecast issued at 12:00am October 21). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 16ft (5.0m) | 12s |
| Afternoon (21 Oct) | 13ft (4.0m) | 12s |
| Evening (21 Oct) | 13ft (4.0m) | 9s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 57mm), heaviest during Thu night. Very mild (max 14°C on Thu morning, min 10°C on Thu night). Winds increasing (light winds from the WSW on Thu morning, severe gales from the NW by Thu night). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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 13 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | W 9 | W 10 | W 12 | W 11 | W 11 | W 11 | WSW 11 | W 11 | W 11 | SSW 9 | SSW 11 | SW 15 | WNW 13 | WNW 12 | WNW 12 | W 12 | W 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1398 | 4377 | 7500 | 7019 | 5721 | 4698 | 3901 | 2642 | 2740 | 3235 | 2566 | 1998 | 1613 | 1882 | 804 | 565 | 1402 | 3375 | 7598 | 11478 | 7171 | 5367 | 4142 | 3249 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | on | on | on | on | on | cross-on | cross-on |
High Tide | 2:04AM4.30m | 2:31PM4.66m | 3:03AM4.71m | 3:21PM5.11m | 3:47AM5.19m | 4:02PM5.58m | ||||||||||||||||||
Low Tide | 8:21AM2.12m | 8:58PM1.80m | 9:17AM1.71m | 9:45PM1.34m | 10:01AM1.26m | |||||||||||||||||||
 | |  |  | | | |  | | |  |  | |  | |  | |  | |  |  | | | | |
 | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — |
 | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | 2 | 2 | — | 1 | 1 | 1 | 1 | 7 | 4 | 1 | — | — | — | 1 | 4 | 8 | 7 | 10 | 4 | — | — | 1 | 1 | 1 |
Temp °C | 12 | 11 | 11 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 13 | 14 | 13 | 13 | 14 | 12 | 13 | 10 | 10 | 12 | 12 | 12 | 12 |
Feels °C | 5 | 0 | -1 | 1 | 2 | 2 | 2 | 3 | 4 | 5 | 6 | 9 | 9 | 8 | 6 | 5 | 6 | 4 | -5 | -4 | -1 | 1 | 3 | 4 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | — | — | — | — | — | — | — | N 6 | N 7 | N 7 | W 11 | W 11 | W 11 | W 11 | SW 8 | SSW 9 | SSW 11 | SW 15 | WSW 14 | SSW 10 | SSW 10 | N 8 | N 8 |
| kJ | 115 | — | — | — | — | — | — | — | 12 | 8 | 4 | 1998 | 1613 | 1430 | 804 | 418 | 1402 | 3375 | 7598 | 5012 | 108 | 77 | 119 | 89 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 7 | N 7 | N 6 | — | — | W 11 | WNW 11 | — | — | S 10 | — | E 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 3 | — | — | 565 | 495 | — | — | 125 | — | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 8 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 25 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 13 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | W 9 | W 10 | W 12 | W 11 | — | — | WSW 11 | SW 7 | S 7 | — | WNW 11 | WNW 10 | WNW 13 | WNW 12 | WNW 12 | W 12 | W 11 |
| kJ | 1398 | 4377 | 7500 | 7019 | 5721 | 4698 | 3901 | 2642 | 2740 | 3235 | 2566 | — | — | 1882 | 330 | 374 | — | 544 | 5164 | 11478 | 7171 | 5367 | 4142 | 3249 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 46 | 174 | 527 | 414 | 560 | 551 | 260 | 503 | 260 | 165 | 165 | 17 | 42 | 102 | 255 | 265 | 556 | 104 | 243 | 553 | 527 | 739 | 754 | 739 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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