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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 6 am Monday 18 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
12.4° C
(Which is slightly warmer than usual)How big are the waves at Trevone Bay today?
The current surf forecast for Trevone Bay at 2PM is: 1.8m 11s primary swell from a West direction (forecast issued at 06:00am May 18). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5.5ft (1.7m) | 11s |
| Afternoon (18 May) | 5.5ft (1.7m) | 11s |
| Evening (18 May) | 3.5ft (1.1m) | 11s |
Table - waves today at Trevone Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Mon afternoon. Very mild (max 15°C on Wed afternoon, min 10°C on Mon morning). Winds decreasing (strong winds from the SW on Tue afternoon, light winds from the SSE by Wed night). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 12 | WNW 12 | W 11 | W 11 | W 11 | W 11 | W 11 | SW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 10 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | |
411 | 404 | 976 | 828 | 649 | 584 | 275 | 248 | 434 | 560 | 665 | 757 | 1020 | 1202 | 1443 | 1887 | 5140 | 5056 | 4011 | 3078 | 2601 | 2043 | 1547 | 1236 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 6:54AM6.92m | 7:16PM6.98m | 7:41AM6.76m | 8:03PM6.82m | 8:31AM6.44m | 8:54PM6.52m | ||||||||||||||||||
Low Tide | 1:10PM0.11m | 1:36AM0.07m | 1:57PM0.30m | 2:27AM0.29m | 2:48PM0.61m | |||||||||||||||||||
 |  | |  | | | | |  | |  |  | | |  | | | | |  | | | | | |
 | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | 5:24 |
 | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — | 9:08 |
1 | 1 | 1 | — | 1 | 3 | 2 | 2 | — | — | 1 | — | 1 | 1 | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 11 | 12 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 14 | 14 |
3 | 3 | 4 | 5 | 6 | 5 | 4 | 6 | 7 | 7 | 6 | 5 | 5 | 4 | 5 | 6 | 6 | 7 | 9 | 9 | 10 | 12 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | W 11 | W 11 | W 11 | W 11 | W 11 | WNW 9 | WNW 10 | W 15 | W 15 | W 15 | W 18 | W 18 | W 17 | W 16 | — | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 |
 kJ | 411 | 404 | 976 | 828 | 649 | 584 | 275 | 108 | 20 | 4 | 4 | 17 | 6 | 55 | 202 | 692 | — | 5056 | 4011 | 3078 | 2601 | 2043 | 1547 | 1236 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 19 | W 19 | W 19 | W 19 | W 18 | — | W 15 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 7 | 7 | 7 | 7 | 6 | — | 4 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | — | — | — | — | SSW 6 | SW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 10 | W 14 | — | — | — | — | — | — | — |
| kJ | 397 | 352 | — | — | — | — | 124 | 248 | 434 | 560 | 665 | 757 | 1020 | 1202 | 1443 | 1887 | 5140 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 216 | 44 | 16 | 222 | 67 | 222 | 263 | 404 | 404 | 227 | 496 | 486 | 486 | 517 | 380 | 358 | 227 | 227 | 227 | 227 | 282 | 2 | 8 | 8 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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