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Surf Forecasts:
Caerhays surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 5 am Tuesday 16 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
12.3° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Caerhays today?
The current surf forecast for Caerhays at 10AM is: 0.9m 15s primary swell from a Southwest direction and 0.5m 8s secondary swell from a South-southwest direction (forecast issued at 05:00am December 16). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 3ft (0.9m) | 15s |
| Afternoon (16 Dec) | 2.5ft (0.8m) | 15s |
| Evening (16 Dec) | 2.5ft (0.8m) | 14s |
Table - waves today at Caerhays. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 7 | 8 | 8 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 283 | 287 | 340 | 331 | 275 | 268 | 268 | 268 | 264 | 203 | 125 | 929 | 972 | 633 | 1055 | 617 | 1363 | 3393 | 3701 | 18522 | 2921 | 10329 | 2008 | 1760 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross | cross- on | on | on | on | cross- on | cross- off | cross | cross |
High Tide / height (m) | 2:35PM 3.69 | 3:02AM 3.80 | 3:20PM 3.79 | 3:44AM 3.95 | 4:02PM 3.90 | |||||||||||||||||||
Low Tide / height (m) | 9:02AM 1.29 | 9:24PM 1.12 | 9:49AM 1.09 | 10:07PM 0.96 | 10:30AM 0.89 | 10:45PM 0.80 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | - | 8:11 | - | - | - | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:16 | - | - | - |
 | |  | |  |  | |  | | | |  | |  | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 2 | 5 | 3 | 4 | 3 | - | - | 2 | 17 | 5 | 1 | - | - |
| Temp. °C | 9 | 10 | 9 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 10 | 9 | 10 | 11 | 12 | 11 | 10 | 11 | 11 | 12 | 11 | 9 | 9 | 9 |
| Feels °C (?) | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 5 | 4 | 3 | 2 | 0 | 0 | 2 | 3 | 8 | 8 | 9 | 8 | 5 | 4 | 1 | 2 | 2 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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