Surf Forecasts:
Caerhays surf forecast from 18 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 7AM (local time) - 1.5ft (0.4m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Sunday 20 Sep, 1AM (local time) - 5.5ft (1.7m), 11s period, W swell with 670 kJ wave energy.
- Next surfable swell (1★+): Wednesday 23 Sep, 7AM (local time) - 1.5ft (0.4m), 16s period with SW swell.
Best Forecast Surf Conditions for Caerhays this week:
The surf forecast for Caerhays over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 23) at 7AM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.2m and 11s. Another secondary swell of 0.2m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Caerhays in the next 16 days are 1.7m 11s and forecast to arrive on Sunday (Sep 20) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 4s period and expected on Wednesday (Sep 23) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 23rd Sep) | 1.5ft (0.4m) 16s |
| Best Surf | 7AM (Wed 23rd Sep) | 1.5ft (0.4m) 16s |
| Most Powerful | 1AM (Sun 20th Sep) | 5.5ft (1.7m) 11s |
Table - best surf conditions forecast for Caerhays over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Very mild (max 19°C on Sat afternoon, min 14°C on Thu night). Winds decreasing (fresh winds from the WSW on Sat morning, calm by Sun afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Wed afternoon, min 17°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||
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 13 | WSW 13 | SW 5 | SW 5 | SW 5 | W 11 | WSW 11 | WSW 11 | S 13 | S 13 | S 13 | S 13 | W 12 | WSW 12 | WSW 12 | WSW 15 | WSW 14 | WSW 12 | ESE 4 | ESE 5 | ESE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 16 | 25 | 32 | 30 | 670 | 12 | 13 | 4 | 3 | 3 | 3 | 3 | 15 | 26 | 84 | 71 | 15 | 17 | 52 | 22 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-on | cross-off | glassy | on | off | cross | cross-on | cross-off | cross | cross | cross-off | cross | cross-on | cross |
High Tide | 10:04AM3.70m | 10:32PM3.44m | 11:04AM3.38m | 11:51PM3.15m | 12:41PM3.19m | 1:33AM3.06m | 2:13PM3.25m | 2:53AM3.20m | 3:20PM3.49m | 3:51AM3.47m | 4:10PM3.80m | 4:35AM3.78m | 4:49PM4.12m | ||||||||
Low Tide | 4:16AM1.09m | 4:38PM1.24m | 4:56AM1.45m | 5:26PM1.59m | 5:51AM1.74m | 6:43PM1.83m | 7:29AM1.89m | 8:47PM1.78m | 9:18AM1.69m | 10:00PM1.44m | 10:16AM1.33m | 10:43PM1.03m | 10:56AM0.93m | 11:20PM0.62m | |||||||
 |  |  | | |  | | | |  | |  | | | | | | | | | | |
 | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — | — | 7:21 | — | — | 7:17 | — | — | 7:15 | — | — | 7:14 | — |
mm | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 18 | 19 | 17 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 19 | 18 | 19 | 21 | 19 | 19 | 19 | 18 |
Feels °C | 12 | 11 | 13 | 14 | 15 | 17 | 18 | 18 | 20 | 19 | 19 | 18 | 17 | 18 | 17 | 20 | 21 | 19 | 16 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | W 12 | W 11 | WSW 11 | SSW 5 | SW 5 | SW 6 | WSW 6 | SW 6 | SW 6 | W 6 | W 12 | WSW 12 | WSW 12 | WSW 15 | WSW 14 | WSW 12 | W 12 | W 11 | W 8 |
| kJ | 17 | 16 | 11 | 9 | 12 | 16 | 6 | 5 | 4 | 2 | 1 | 1 | 3 | 15 | 26 | 84 | 71 | 15 | 3 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | S 16 | S 16 | S 16 | WSW 11 | WSW 11 | WSW 11 | W 11 | W 12 | W 12 | S 13 | W 7 | S 12 | SW 18 | ESE 3 | ESE 4 | W 7 | W 7 | W 8 | W 10 |
| kJ | — | — | 5 | 5 | 5 | 12 | 12 | 13 | 3 | 3 | 3 | 3 | 1 | 3 | 12 | 1 | 1 | 1 | 1 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | S 18 | — | S 12 | — | S 11 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | W 11 | S 12 | — | S 12 | — | W 8 | — | — | — | — |
| kJ | 6 | — | 3 | — | 2 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | — | 3 | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 3 | SW 5 | SW 5 | SW 5 | W 11 | — | — | — | — | — | — | — | SE 3 | — | — | — | — | ESE 4 | ESE 5 | ESE 5 |
| kJ | 11 | 8 | 25 | 32 | 30 | 670 | — | — | — | — | — | — | — | 1 | — | — | — | — | 17 | 52 | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 218 | 191 | 191 | 218 | 185 | 27 | 37 | 25 | 25 | 25 | 38 | 28 | 25 | 25 | 25 | 25 | 25 | 25 | 40 | 26 | 25 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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