Surf Forecasts:
Caerhays surf forecast from 27 Jul 2026:
- Most powerful swell: Thursday 30 Jul, 4PM (local time) - 1.5ft (0.5m), 4s period, WSW swell with 11 kJ wave energy.
Best Forecast Surf Conditions for Caerhays this week:
The most powerful waves expected at Caerhays in the next 16 days are 0.5m 4s and forecast to arrive on Thursday (Jul 30) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 2s period and expected on Friday (Jul 31) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Thu 30th Jul) | 1.5ft (0.5m) 4s |
Table - best surf conditions forecast for Caerhays over the next 16 days.
The Lowdown
Alright, grab a cuppa and listen close, 'cause the surf forecast for Caerhays is a bit of a tough read right now. Honestly, folks, it’s looking pretty bleak for the next week or so. We’ve got a long stretch of tiny, weak swell with not much going for it.
Right from Sunday the 26th, we’re looking at waves barely breaking your ankle at 0.7 ft from the WSW, and while the wind is a cross-off, the energy is just pathetic. The water is a notable 68°, which is *much warmer than normal* for this time of year, but that’s about the only thing out of the ordinary. That little bump of energy you get on the combined swell energy score (9) tells you everything – it’s weak.
That flat spell drags on all week. Monday and Tuesday the 27th and 28th see the same story: tiny, messy waves with nothing to get excited about. Even the few clean windows don’t matter because there’s no swell to ride. We’re looking at a solid gap of days with absolutely nothing worth paddling out for.
It’s not until around Thursday the 30th that we see a tiny pulse of life. The swell bumps up to a mere 2 ft from the SW, and the period is a short 3 seconds, which is really just wind chop. The combined energy reaches a whole 14, which is still very weak. A light cross-off on the afternoon might make it look clean, but you’ll be bobbing around for the one knee-high lump that comes through every 20 minutes.
This pattern of flat and weak continues into the start of August. There’s a few more clean windows, like Saturday morning the 1st with offshore winds, but the swell is down to 0.3 ft. It's pointless.
Honestly, the only real standout on the entire 16-day run is the morning of Sunday, the 9th of August. We finally get a bit of size, with 3 ft of swell from the S, and a period of 7 seconds. The combined energy hits 138 (moderate), which is the most we’ve seen by a long shot. It’s a long way out, so treat it as promising but not locked in, but with light cross-shore winds, it could offer some fun, clean corners at high tide. It’s the one to circle on the calendar, but until then, the board stays in the car.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Tue afternoon, min 16°C on Sun night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Mon night). | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Wed afternoon, min 15°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||
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 7 | SW 7 | WSW 6 | W 11 | SW 5 | S 11 | W 12 | — | W 11 | W 10 | W 10 | SW 3 | WSW 4 | SW 4 | SW 6 | WSW 7 | W 7 | W 11 | W 10 | W 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 5 | 7 | 4 | 2 | 1 | 2 | 3 | 0 | 2 | 2 | 2 | 7 | 11 | 5 | 6 | 5 | 1 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | glassy | on | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | off |
High Tide | 4:26AM3.56m | 4:52PM3.80m | 5:16AM3.73m | 5:38PM4.02m | 5:59AM3.90m | 6:18PM4.22m | 6:36AM4.05m | 6:53PM4.39m | 7:10AM4.16m | 7:24PM4.50m | 7:41AM4.24m | 7:54PM4.56m | ||||||||
Low Tide | 10:55PM1.28m | 11:12AM1.16m | 11:38PM1.01m | 11:52AM0.89m | 00:16AM0.74m | 12:28PM0.65m | 00:52AM0.50m | 1:03PM0.44m | 1:26AM0.31m | 1:37PM0.29m | 2:00AM0.18m | 2:11PM0.22m | 2:35AM0.12m | |||||||
 |  | | | | | | | | |  |  | | | | | | | | | |
 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:45 | — | — | 5:47 | — | — |
 | — | 9:12 | — | — | 9:09 | — | — | 9:08 | — | — | 9:07 | — | — | 9:06 | — | — | 9:05 | — | — | 9:02 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 20 | 21 | 18 | 20 | 22 | 20 | 22 | 23 | 17 | 19 | 19 | 17 | 18 | 18 | 16 | 18 | 19 | 15 |
Feels °C | 12 | 14 | 18 | 18 | 18 | 19 | 23 | 22 | 21 | 22 | 16 | 17 | 15 | 15 | 13 | 12 | 13 | 17 | 17 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SW 7 | WSW 6 | W 11 | SW 5 | SW 5 | — | — | — | — | S 6 | — | S 13 | W 7 | SW 6 | WSW 7 | SW 4 | SW 6 | W 6 | W 10 |
| kJ | 2 | 7 | 4 | 2 | 1 | 1 | — | — | — | — | 1 | — | 3 | 4 | 6 | 5 | 1 | 1 | 1 | 2 |
Swell 2 Height (m) Direction Period (s) | WSW 7 | W 10 | W 10 | S 11 | — | W 9 | W 8 | — | W 11 | W 10 | W 10 | — | — | — | — | — | W 7 | W 11 | W 10 | W 5 |
| kJ | 5 | 2 | 2 | 2 | — | 2 | 1 | — | 2 | 2 | 2 | — | — | — | — | — | 1 | 2 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | W 10 | — | — | — | — | S 11 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | W 7 |
| kJ | 2 | — | — | — | — | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 3 | NW 2 | WSW 2 | — | — | — | — | — | — | — | SW 3 | WSW 4 | SW 4 | — | NW 2 | — | — | — | — |
| kJ | 11 | 2 | 1 | 1 | — | — | — | — | — | — | — | 7 | 11 | 5 | — | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 210 | 209 | 210 | 188 | 29 | 25 | 25 | 25 | 29 | 191 | 269 | 210 | 210 | 210 | 43 | 248 | 43 | 38 | 62 | 41 |
Best forecast wave conditions in South Cornwall | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
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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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