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Caerhays Surf Forecast
/ Cornwall (South) (25 surf breaks) /
Surf Forecasts:
Caerhays surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 6 am Monday 18 May 2026 BSTForecast update in hr min s Forecast update imminent
Caerhays surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Caerhays sea temperature is
12.4° C
(Which is normal for this time of year)How big are the waves at Caerhays today?
The current surf forecast for Caerhays at 10AM is: 0.2m 12s primary swell from a West-southwest direction and 0.6m 4s secondary swell from a Southwest direction (forecast issued at 06:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 0.5ft (0.2m) | 12s |
| Afternoon (18 May) | 2.5ft (0.8m) | 4s |
| Evening (18 May) | 3.5ft (1.1m) | 5s |
Table - waves today at Caerhays. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Mon afternoon. Very mild (max 15°C on Wed morning, min 10°C on Mon morning). Winds decreasing (strong winds from the SW on Tue afternoon, light winds from the S 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 |    |    |    |    | ||||||||||||||||||||
WSW 13 | WSW 12 | WSW 12 | SSW 4 | SSW 4 | SSW 5 | S 5 | S 6 | S 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SW 15 | WSW 14 | WSW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | SSW 7 | |
31 | 14 | 14 | 16 | 29 | 37 | 78 | 214 | 247 | 232 | 258 | 256 | 294 | 310 | 330 | 260 | 380 | 5383 | 357 | 288 | 178 | 151 | 111 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | |
High Tide | 6:37AM4.79m | 6:59PM4.90m | 7:25AM4.66m | 7:46PM4.79m | 8:15AM4.43m | 8:37PM4.58m | ||||||||||||||||||
Low Tide | 1:26PM-0.22m | 1:52AM-0.28m | 2:12PM-0.10m | 2:40AM-0.15m | 2:59PM0.12m | |||||||||||||||||||
 |  |  | | | |  | |  | | | |  | |  | |  |  | |  | | | | | |
 | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | 5:24 |
 | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:05 | — | 9:07 |
— | — | 1 | — | 1 | 3 | 2 | 2 | — | — | 1 | — | 1 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 11 | 12 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 14 | 14 |
6 | 4 | 5 | 5 | 6 | 5 | 6 | 6 | 8 | 7 | 7 | 7 | 6 | 5 | 6 | 8 | 7 | 8 | 10 | 10 | 11 | 11 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | W 11 | W 11 | W 11 | — | — | — | W 15 | S 18 | SW 18 | SW 17 | SW 16 | SW 15 | SSW 7 | WSW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 |
 kJ | 31 | 14 | 14 | 13 | 12 | 2 | 2 | 2 | — | — | — | 4 | 6 | 12 | 46 | 124 | 380 | 169 | 357 | 288 | 178 | 151 | 111 | 58 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | S 19 | — | S 19 | S 19 | S 19 | — | S 18 | SW 18 | S 18 | — | WSW 11 | — | SW 14 | — | — | — | — | — | S 16 |
| kJ | — | — | — | — | — | 7 | — | 7 | 7 | 7 | — | 6 | 13 | 6 | — | 46 | — | 412 | — | — | — | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 13 | S 19 | — | — | — | — | — | — | — | — | WSW 13 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | 7 | — | — | — | — | — | — | — | — | 16 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | SW 4 | SSW 4 | SSW 4 | SSW 5 | S 5 | S 6 | S 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | WSW 14 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 11 | 8 | 11 | 16 | 29 | 37 | 78 | 214 | 247 | 232 | 258 | 256 | 294 | 310 | 330 | 260 | 257 | 5383 | 134 | 131 | 101 | 77 | 66 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 180 | 31 | 27 | 187 | 91 | 187 | 243 | 430 | 430 | 191 | 531 | 521 | 521 | 540 | 365 | 338 | 191 | 191 | 191 | 191 | 251 | 27 | 27 | 39 |
Best forecast wave conditions in South Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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