Caerhays surfForecast / Cornwall (South) / UK

information circle12 Day Weather and Surf, issued 11 pm Friday 19 Dec 2025 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
12.1° C
(Which is slightly warmer than usual)


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 Sunday (Dec 21) at 6AM. The primary swell is predicted to be 1.3m and 16s period with a secondary swell of 1.2m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Caerhays in the next 12 days are 1.3m 16s and forecast to arrive on Sunday (Dec 21) at 6AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Friday (Dec 26) at 9PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sun 21st Dec)4.5ft (1.3m) 16s
Best Surf 6AM (Sun 21st Dec)4.5ft (1.3m) 16s
Most Powerful 6AM (Sun 21st Dec)4.5ft (1.3m) 16s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 19mm), heaviest on Sat afternoon. Very mild (max 11°C on Fri night, min 8°C on Sat night). Winds decreasing (strong winds from the SSE on Sat morning, calm by Sat night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 11°C on Tue morning, min 2°C on Thu morning). Winds increasing (light winds from the NE on Mon night, strong winds from the E by Wed night).

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
1
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
WSW
1.8
SW
2.5
S
1.7
S
1.3
SW
1.2
SW
0.8
WSW
0.5
WSW
0.4
WSW
0.3
WSW
0.2
WSW
0.2
WSW
0.4
WSW
0.3
WSW
0.3
WSW
0.2
WSW
0.2
WSW
0.9
ESE
0.7
ESE
0.3
WSW
0.8
ESE
Period(s) (?)158761616151413121111131314131388139
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3824186742398137022791056628121270333917161136331106
Wind
(km/h)
20
SSW
45
SSE
45
SSE
25
SSW
15
ESE
20
ENE
20
NNE
15
NE
15
NE
10
ENE
10
NNW
25
N
35
N
30
NE
35
NE
40
E
35
ENE
30
ENE
25
NNE
35
NNE
35
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcross-
on
cross-
off
offcross-
off
cross-
off
cross-
off
offoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
5:02AM
4.20
5:20PM
4.06
5:38AM
4.28
5:56PM
4.08
6:13AM
4.32
6:30PM
4.07
6:48AM
4.34
7:05PM
4.03
7:22AM
4.32
7:42PM
3.98
8:00AM
4.27
8:24PM
3.91
8:43AM
4.19
Low Tide
/ height (m)
11:22PM
0.66
11:44AM
0.57
11:57PM
0.54
12:20PM
0.47
12:33AM
0.47
12:56PM
0.42
1:09AM
0.45
1:33PM
0.41
1:45AM
0.47
2:11PM
0.44
2:24AM
0.55
2:51PM
0.51
3:05AM
0.67
3:34PM
0.61
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
Sunrise-8:15--8:15--8:15--8:15--8:17--8:17--8:18-
Sunset--4:16--4:17--4:17--4:19--4:19--4:20--4:21
rain showers
rain showers
mod rain
rain showers
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
cloud
cloud
Rain (mm)
1172224--------------
Temp. °C11101091010101111101110976633244
Feels °C (?)50125667877520-2-3-6-5-5-5-5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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