Surf Forecasts:
Caerhays surf forecast from 21 Aug 2026:
- Most powerful swell: Tuesday 25 Aug, 4AM (local time) - 5.5ft (1.7m), 7s period, ESE swell with 310 kJ wave energy.
Best Forecast Surf Conditions for Caerhays this week:
The most powerful waves expected at Caerhays in the next 16 days are 1.7m 7s and forecast to arrive on Tuesday (Aug 25) 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 0.4m 3s period and expected on Friday (Aug 21) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Tue 25th Aug) | 5.5ft (1.7m) 7s |
Table - best surf conditions forecast for Caerhays over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 18°C on Sun morning, min 14°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Tue night. Warm (max 20°C on Tue morning, min 16°C on Sun night). Winds increasing (light winds from the NE on Sun night, strong winds from the E by Mon night). | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WSW 8 | S 16 | S 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | ESE 5 | ESE 6 | ESE 7 | ESE 5 | SE 4 | SSW 5 | S 6 | S 7 | SSW 8 | S 7 | S 7 | SSW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 7 | 5 | 21 | 21 | 21 | 19 | 19 | 19 | 66 | 211 | 298 | 90 | 21 | 26 | 86 | 208 | 181 | 176 | 127 | 74 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross | cross-on | off | cross | cross-on | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on |
High Tide | 12:02PM3.41m | 00:39AM3.25m | 1:20PM3.27m | 1:59AM3.17m | 2:38PM3.31m | 3:13AM3.26m | 3:45PM3.50m | 4:14AM3.47m | 4:38PM3.78m | 5:02AM3.73m | 5:21PM4.07m | 5:41AM3.98m | 5:56PM4.34m | ||||||||
Low Tide | 5:40AM1.45m | 6:11PM1.62m | 6:43AM1.73m | 7:41PM1.82m | 8:33AM1.81m | 9:32PM1.71m | 9:59AM1.59m | 10:34PM1.40m | 10:50AM1.26m | 11:16PM1.04m | 11:29AM0.91m | 11:53PM0.68m | 12:04PM0.58m | 00:26AM0.36m | |||||||
 |  |  | | | | | |  | | | | |  |  |  | | | | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — |
 | — | 8:27 | — | — | 8:24 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 8 | 2 | — | 5 | 3 | — | 13 |
Temp °C | 17 | 17 | 14 | 17 | 17 | 17 | 18 | 18 | 17 | 18 | 18 | 19 | 20 | 19 | 18 | 19 | 19 | 17 | 19 | 19 | 17 |
Feels °C | 12 | 11 | 11 | 13 | 15 | 14 | 15 | 15 | 15 | 12 | 11 | 11 | 18 | 18 | 16 | 13 | 13 | 14 | 15 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | SW 8 | S 16 | SSW 15 | ESE 5 | ESE 5 | SSW 14 | SE 5 | SE 5 | SW 14 | SW 13 | SW 13 | SW 8 | E 6 | S 5 | SSW 8 | S 12 | SSW 8 | S 12 | S 7 | SSW 7 |
| kJ | 6 | 3 | 5 | 21 | 13 | 5 | 19 | 4 | 3 | 7 | 7 | 7 | 3 | 7 | 21 | 12 | 3 | 181 | 3 | 127 | 74 |
Swell 2 Height (m) Direction Period (s) | S 13 | SW 13 | SW 8 | W 8 | SSW 15 | SSW 15 | ESE 4 | SSW 14 | SSW 14 | SW 9 | SW 9 | SW 9 | SW 13 | SSW 8 | SSW 8 | S 12 | S 12 | W 10 | SW 12 | W 10 | SE 4 |
| kJ | 3 | 7 | 3 | 1 | 21 | 21 | 1 | 19 | 19 | 3 | 3 | 3 | 7 | 7 | 6 | 3 | 3 | 2 | 6 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | W 10 | S 16 | S 13 | W 10 | W 10 | W 9 | W 9 | — | SW 10 | W 9 | — | W 9 | S 11 | S 13 | E 5 | S 12 | — | — | — | W 10 | WSW 12 |
| kJ | 2 | 5 | 3 | 2 | 2 | 2 | 2 | — | 4 | 2 | — | 6 | 3 | 3 | 2 | 3 | — | — | — | 19 | 13 |
Wind waves Height (m) Direction Period (s) | — | NW 3 | — | — | ESE 3 | — | E 4 | — | — | ESE 5 | ESE 6 | ESE 7 | ESE 5 | SE 4 | SSW 5 | S 6 | S 7 | SE 5 | S 7 | — | WSW 2 |
| kJ | — | 3 | — | — | 5 | — | 3 | — | — | 66 | 211 | 298 | 90 | 21 | 26 | 86 | 208 | 9 | 176 | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 54 | 224 | 37 | 25 | 62 | 38 | 41 | 28 | 25 | 344 | 180 | 187 | 178 | 185 | 29 | 264 | 178 | 26 | 27 | 412 | 39 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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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