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Trevone Bay Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Trevone Bay surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 am Thursday 21 May 2026 BSTForecast update in hr min s Forecast update imminent
Trevone Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trevone Bay sea temperature is
12.7° C
(Which is slightly warmer than usual)How big are the waves at Trevone Bay today?
The current surf forecast for Trevone Bay at 8AM is: 1.8m 11s primary swell from a West direction (forecast issued at 12:00am May 21). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 6ft (1.8m) | 11s |
| Afternoon (21 May) | 5ft (1.6m) | 11s |
| Evening (21 May) | 5ft (1.5m) | 10s |
Table - waves today at Trevone Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the SSE on Thu 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 |    |    |    | |||||||||||||||||||||
W 12 | W 12 | W 12 | W 11 | W 11 | W 10 | W 10 | W 10 | WSW 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | |
1249 | 1117 | 976 | 694 | 584 | 506 | 476 | 458 | 482 | 541 | 707 | 694 | 606 | 606 | 496 | 426 | 426 | 346 | 339 | 339 | 290 | 290 | 273 | 230 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | glassy | glassy | glassy | on | cross | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 9:23AM6.02m | 9:49PM6.14m | 10:21AM5.59m | 10:49PM5.76m | 11:27AM5.24m | |||||||||||||||||||
Low Tide | 3:21AM0.63m | 3:42PM0.98m | 4:21AM1.01m | 4:43PM1.35m | 5:27AM1.35m | 5:51PM1.63m | ||||||||||||||||||
 | |  | | | | |  |  | | |  | | |  | | | | | | | | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 16 | 17 | 18 | 18 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 |
8 | 10 | 11 | 12 | 13 | 11 | 10 | 10 | 12 | 13 | 12 | 15 | 16 | 17 | 18 | 16 | 16 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 11 | W 11 | W 10 | W 10 | W 10 | WSW 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
 kJ | 1249 | 1117 | 976 | 694 | 584 | 506 | 476 | 458 | 482 | 541 | 707 | 694 | 606 | 606 | 496 | 426 | 426 | 346 | 339 | 339 | 290 | 290 | 273 | 230 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 13 | — | SW 13 | — | SW 14 | SW 13 | SW 14 | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — | 7 | — | 7 | 7 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 3 | SSE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 5 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 122 | 8 | 8 | 8 | 8 | 4 | 4 | 11 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 11 | 4 | 43 | 4 | 43 | 4 | 4 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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