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Surf Forecasts:
Caerhays surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 5 am Tuesday 09 Dec 2025 GMTForecast 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 slightly warmer than usual)How big are the waves at Caerhays today?
The current surf forecast for Caerhays at 8AM is: 4.0m 10s primary swell from a South-southwest direction and 0.6m 16s secondary swell from a West-southwest direction (forecast issued at 05:00am December 09). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | 13ft (4.0m) | 10s |
| Afternoon (09 Dec) | 13ft (4.0m) | 13s |
| Evening (09 Dec) | 15ft (4.5m) | 13s |
Table - waves today at Caerhays. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 16 | 10 | 10 | 13 | 14 | 13 | 13 | 13 | 12 | 13 | 12 | 12 | 11 | 11 | 15 | 11 | 14 | 14 | 6 | 6 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3634 | 4382 | 3141 | 4793 | 5081 | 11839 | 6538 | 4447 | 6751 | 1013 | 1703 | 616 | 483 | 341 | 256 | 441 | 382 | 257 | 121 | 162 | 228 | 407 | 667 | 565 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 7:51AM 4.51 | 8:25PM 4.01 | 8:48AM 4.26 | 9:26PM 3.77 | 9:50AM 4.01 | 10:33PM 3.59 | ||||||||||||||||||
Low Tide / height (m) | 2:36PM 0.22 | 2:52AM 0.52 | 3:25PM 0.54 | 3:41AM 0.85 | 4:17PM 0.86 | |||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
| Sunrise | - | - | 8:06 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - |
 |  |  | |  |  |  | | | |  | | | | | | | |  | | | | | | |
Rain (mm) | 8 | - | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 3 | 4 | 3 | 2 | 3 | 4 | 6 | 5 | 5 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 5 | 4 | 4 | 5 | 5 | 6 | 5 | 5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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