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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 pm 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
12.6° C
(Which is slightly warmer than usual)How big are the waves at Trevone Bay today?
The current surf forecast for Trevone Bay at 5PM is: 1.5m 10s primary swell from a West direction (forecast issued at 12:00pm May 21). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 6ft (1.8m) | 11s |
| Afternoon (21 May) | 5ft (1.6m) | 11s |
| Evening (21 May) | 4.5ft (1.4m) | 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 morning, min 14°C on Thu night). Winds decreasing (fresh winds from the SE on Thu night, calm by Fri night). | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 11 | W 11 | W 10 | W 10 | W 10 | W 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 | W 10 | W 10 | W 9 | |
694 | 584 | 506 | 476 | 400 | 458 | 541 | 707 | 694 | 606 | 606 | 496 | 426 | 426 | 346 | 339 | 339 | 290 | 284 | 273 | 230 | 225 | 183 | 139 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross | glassy | glassy | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 9:23AM6.02m | 9:49PM6.14m | 10:21AM5.59m | 10:49PM5.76m | 11:27AM5.24m | 11:57PM5.46m | ||||||||||||||||||
Low Tide | 3:42PM0.98m | 4:21AM1.01m | 4:43PM1.35m | 5:27AM1.35m | 5:51PM1.63m | 6:38AM1.55m | ||||||||||||||||||
 |  |  | |  | | | | | | | |  | |  | | | | | | | | | | |
 | 5:24 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — |
 | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — | — | — | 9:12 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 16 | 18 | 18 | 18 | 15 | 15 | 15 | 14 | 15 | 15 | 16 | 15 | 15 | 16 | 17 | 17 |
12 | 12 | 11 | 10 | 10 | 11 | 12 | 12 | 15 | 17 | 17 | 18 | 15 | 15 | 15 | 13 | 13 | 14 | 14 | 12 | 12 | 14 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 10 | W 10 | W 10 | W 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 | W 10 | W 10 | W 9 |
 kJ | 694 | 584 | 506 | 476 | 400 | 458 | 541 | 707 | 694 | 606 | 606 | 496 | 426 | 426 | 346 | 339 | 339 | 290 | 284 | 273 | 230 | 225 | 183 | 139 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 14 | — | — | — | — | — | — | — | — | SW 13 | — | SW 13 | — | SW 14 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | — | — | — | — | 8 | — | — | — | — | — | — | — | — | 7 | — | 7 | — | 7 | 7 | 8 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 3 | SSE 3 | SSE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 9 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 8 | 4 | 11 | 11 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 36 | 45 | 45 | 43 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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