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Porthmeor surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 am Thursday 21 May 2026 BSTForecast update in hr min s Forecast update imminent
Porthmeor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthmeor sea temperature is
12.3° C
(Which is normal for this time of year)How big are the waves at Porthmeor today?
The current surf forecast for Porthmeor at 6AM is: 2.1m 12s primary swell from a West-southwest direction and 0.1m 16s secondary swell from a Southwest direction (forecast issued at 12:00am May 21). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 6.5ft (2.0m) | 11s |
| Afternoon (21 May) | 5.5ft (1.7m) | 11s |
| Evening (21 May) | 5.5ft (1.7m) | 10s |
Table - waves today at Porthmeor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Fri afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the S on Wed night, calm by Fri night). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 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 |    |    |    | |||||||||||||||||||||
WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | |
1605 | 1543 | 1185 | 854 | 730 | 643 | 619 | 596 | 690 | 837 | 821 | 711 | 711 | 622 | 599 | 511 | 511 | 424 | 402 | 349 | 356 | 290 | 284 | 279 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | glassy | glassy | on | on | on | cross-on | on | on | cross-on | |
High Tide | 9:06AM5.39m | 9:32PM5.51m | 10:05AM4.99m | 10:33PM5.16m | 11:12AM4.67m | |||||||||||||||||||
Low Tide | 3:13AM0.55m | 3:34PM0.87m | 4:12AM0.87m | 4:33PM1.18m | 5:17AM1.16m | 5:39PM1.43m | ||||||||||||||||||
 |  |  | | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:12 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 13 | 13 | 14 | 15 | 16 | 17 | 17 | 15 | 16 | 15 | 15 | 16 | 17 | 16 | 16 | 16 |
8 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 10 | 12 | 13 | 14 | 15 | 16 | 16 | 15 | 16 | 14 | 14 | 15 | 16 | 14 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 |
 kJ | 1605 | 1543 | 1185 | 854 | 730 | 643 | 619 | 596 | 690 | 837 | 821 | 711 | 711 | 622 | 599 | 511 | 511 | 424 | 402 | 349 | 356 | 290 | 284 | 279 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 14 | S 18 | SSW 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 | S 5 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 21 | 6 | 43 | 46 | 39 | 27 | 18 | 10 | 5 | 2 | 2 | 22 | 19 | 19 | 20 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 18 | S 18 | S 18 | — | — | S 16 | SW 16 | SW 16 | SW 16 | SW 16 | — | — | — | — | SE 4 |
| kJ | — | — | — | — | — | — | — | — | — | 6 | 6 | 6 | — | — | 5 | 10 | 10 | 10 | 10 | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SE 4 | ESE 4 | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 8 | 4 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 173 | 4 | 0 | 0 | 0 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 10 | 10 | 31 | 31 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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