Caerhays surfForecast / Cornwall (South) / UK

information circle12 Day Weather and Surf, issued 5 pm Wednesday 21 Jan 2026 GMT
Forecast 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
10.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Caerhays this week:

The surf forecast for Caerhays over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 22) at 6AM. The primary swell is predicted to be 1.8m and 19s period with a secondary swell of 1.4m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Caerhays in the next 12 days are 6.5m 17s and forecast to arrive on Friday (Jan 23) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Jan 25) at 6PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 22nd Jan)6ft (1.8m) 19s
Best Surf 3PM (Fri 23rd Jan)21ft (6.5m) 17s
Most Powerful 3PM (Fri 23rd Jan)21ft (6.5m) 17s

Table - best surf conditions forecast for Caerhays over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 34mm), heaviest during Thu night. Very mild (max 11°C on Wed afternoon, min 7°C on Thu afternoon). Winds increasing (calm on Wed night, gales from the SSE by Fri morning).

Days 3-6 Weather Summary Moderate rain (total 16mm), heaviest on Mon morning. Very mild (max 12°C on Mon afternoon, min 5°C on Sun night). Winds increasing (calm on Sun morning, strong winds from the WSW by Mon night).

Wed
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
2
1
0
0
!
0
0
0
1
3
1
2
0
0
0
2
3
1
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
S
1.8
SSW
1.8
SW
1.7
SW
0.9
SW
5.5
S
6.5
SSW
4.5
SSW
1.6
SW
1.9
SW
1.6
SW
1.1
SW
1.2
SW
1.1
SW
0.6
WSW
2.4
S
1.4
SSW
1.2
SW
1.6
SW
2.3
SW
1.8
SW
Period(s) (?)910171614171715161816151412127916171918
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1113603187113843011927824988903213142397124059758139893546308795143237152059
Wind
(km/h)
30
S
25
S
25
WNW
35
W
55
SE
65
SE
65
SSE
55
S
50
SSE
20
WSW
20
SW
0
SSW
30
NW
5
NNE
30
SSE
40
SSE
35
WSW
10
WSW
15
WSW
15
WSW
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
off
crosscross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
glasscross-
off
offononcross-
on
cross-
on
crosscross-
on
on
High Tide
/ height (m)
6:55PM
4.29
7:09AM
4.63
7:28PM
4.32
7:43AM
4.63
8:05PM
4.29
8:21AM
4.54
8:46PM
4.20
9:05AM
4.37
9:35PM
4.05
9:58AM
4.14
10:34PM
3.88
11:04AM
3.89
11:46PM
3.75
Low Tide
/ height (m)
1:28AM
0.14
1:53PM
0.05
2:05AM
0.17
2:30PM
0.10
2:44AM
0.28
3:10PM
0.24
3:26AM
0.47
3:54PM
0.47
4:13AM
0.72
4:44PM
0.75
5:10AM
0.99
5:47PM
1.03
6:26AM
1.19
Wed
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Sunrise--8:06--8:04--8:03--8:03--8:02--8:00--7:58
Sunset4:52--4:54--4:55--4:58--5:00--5:00--5:02--
rain showers
rain showers
rain showers
clear
mod rain
light rain
mod rain
thunderstorm
rain showers
light rain
rain showers
rain showers
part cloud
part cloud
light rain
light rain
rain showers
part cloud
rain showers
rain showers
rain showers
Rain (mm)
341-104642221--551-111
Temp. °C11109987989977888121199810
Feels °C (?)55422-6-5-43425231634533
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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 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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