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Caerhays Surf Forecast
/ Cornwall (South) (25 surf breaks) /
Surf Forecasts:
Caerhays surfForecast / Cornwall (South) / UK
12 Day Weather and Surf, issued 6 am Thursday 18 Sep 2025 BST
Best Forecast Surf Conditions for Caerhays this week:
The most powerful waves expected at Caerhays in the next 12 days are 2.1m 6s and forecast to arrive on Sunday (Sep 21) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Sunday (Sep 21) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Sun 21st Sep) | 7ft (2.1m) 6s |
Table - best surf conditions forecast for Caerhays over the next 12 days.
Short Range Forecast Some drizzle, heaviest during Sat afternoon. Very mild (max 18°C on Thu morning, min 13°C on Sat night). Winds increasing (light winds from the SSW on Fri night, strong winds from the S by Sat afternoon). | Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sun afternoon. Very mild (max 15°C on Tue afternoon, min 10°C on Mon night). Winds decreasing (strong winds from the NNE on Mon morning, light winds from the NNE by Tue afternoon). | ||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 12 | 5 | 10 | 11 | 10 | 9 | 9 | 4 | 5 | 7 | 7 | 13 | 13 | 13 | 12 | 12 | 14 | 12 | 12 | 11 | 10 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 94 | 51 | 28 | 44 | 82 | 43 | 22 | 38 | 101 | 22 | 7 | 3 | 3 | 3 | 3 | 6 | 4 | 6 | 14 | 12 | 10 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | on | on | on | cross | cross | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | off | cross | on | cross- off |
High Tide / height (m) | 3:58PM 3.80 | 4:33AM 3.72 | 4:48PM 4.07 | 5:15AM 3.98 | 5:26PM 4.31 | 5:47AM 4.21 | 5:57PM 4.50 | 6:16AM 4.39 | 6:27PM 4.62 | 6:44AM 4.51 | 6:57PM 4.66 | 7:13AM 4.55 | 7:26PM 4.61 | ||||||||
Low Tide / height (m) | 10:30PM 0.88 | 10:49AM 0.85 | 11:17PM 0.54 | 11:33AM 0.53 | 11:56PM 0.27 | 12:10PM 0.29 | 12:31AM 0.09 | 12:45PM 0.13 | 1:04AM 0.01 | 1:17PM 0.08 | 1:35AM 0.03 | 1:48PM 0.11 | 2:05AM 0.15 | ||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| Sunrise | 6:58 | - | - | 7:00 | - | - | 7:01 | - | - | 7:03 | - | - | 7:03 | - | - | 7:05 | - | - | 7:07 | - | - |
| Sunset | - | 7:27 | - | - | 7:24 | - | - | 7:22 | - | - | 7:21 | - | - | 7:17 | - | - | 7:15 | - | - | 7:14 | - |
 | |  |  | | | |  | | |  |  | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | - | - | 3 | 2 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 16 | 17 | 17 | 16 | 16 | 17 | 13 | 12 | 12 | 12 | 11 | 13 | 12 | 14 | 15 | 14 | 14 | 14 | 14 |
| Feels °C (?) | 15 | 15 | 14 | 15 | 15 | 16 | 14 | 9 | 4 | 5 | 6 | 5 | 2 | 6 | 6 | 10 | 12 | 11 | 11 | 12 | 14 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Cornwall (South)
The wind is still cross-on at Caerhays (moderate winds from the SW at Newquay Airport 25 km from Caerhays). 1.2m 5s windswell from the SSW with a 0.4m 12s groundswell from the WSW. 2 swells combining to make bigger set waves.
25 km away, 1 h 26 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Caerhays surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Caerhays Surf forecast
The above surf forecast table for Caerhays provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Caerhays can be found by selecting the local surf guide option on the grey menu. Our Caerhays surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Caerhays) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Caerhays may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Caerhays is 13 km (8 miles) from Saint Austell. If you plan a holiday in South Cornwall, look for hotels and other accommodation in Saint Austell. Saint Austell has rooms for a wide range of budgets as well as car hire and transport links.
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