Caerhays surfForecast / Cornwall (South) / UK

information circle12 Day Weather and Surf, issued 11 am Friday 12 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
12.4° C
(Which is 1.0°C warmer than 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 Monday (Dec 15) at 9PM. The primary swell is predicted to be 0.8m and 15s period with a secondary swell of 1.0m and 7s. Another secondary swell of 0.9m and 8s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Caerhays in the next 12 days are 3.0m 17s and forecast to arrive on Friday (Dec 19) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Tuesday (Dec 16) at 12PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 15th Dec)2.5ft (0.8m) 15s
Best Surf12AM (Thu 18th Dec)4ft (1.2m) 20s
Most Powerful 3AM (Fri 19th Dec)10ft (3.0m) 17s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Sun night. Very mild (max 12°C on Sun night, min 10°C on Fri morning). Winds increasing (light winds from the W on Fri night, strong winds from the S by Sun night).

Days 3-6 Weather Summary Heavy rain (total 31mm), heaviest during Mon morning. Very mild (max 12°C on Wed night, min 9°C on Mon afternoon). Winds increasing (light winds from the WNW on Tue afternoon, strong winds from the SSW by Wed afternoon).

Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
4
3
3
1
0
0
0
0
0
0
0
2
2
2
0
0
0
4
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SW
1.9
SW
1.6
SW
1.3
SW
1
SW
0.4
WSW
0.7
WSW
0.8
WSW
0.8
WSW
1.9
S
1.8
S
0.8
WSW
0.8
WSW
0.8
WSW
0.9
SW
0.7
WSW
1.6
SSW
1.2
WSW
2.4
SW
2.1
SW
1.4
SW
Period(s) (?)191918161513131414771516151514620201918
Wave
Graph
(?)Metric surfscale
Energy kJ (?)155924231553823429691402612533313112753102873091611591188473533451292
Wind
(km/h)
10
WNW
15
W
10
WSW
15
SW
20
SW
30
SSW
30
SSW
35
SSW
40
S
35
SSW
25
NNW
10
N
15
NNW
10
NNW
15
SSW
35
SSW
45
SSW
10
WNW
50
S
70
S
45
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononcross-
off
offcross-
off
offcross-
on
cross-
on
oncross-
off
ononcross-
on
High Tide
/ height (m)
10:54AM
3.81
11:38PM
3.49
11:57AM
3.67
12:37AM
3.49
12:54PM
3.61
1:30AM
3.55
1:46PM
3.62
2:18AM
3.66
2:35PM
3.69
3:02AM
3.80
3:20PM
3.79
3:44AM
3.95
4:02PM
3.90
Low Tide
/ height (m)
5:15PM
1.13
5:36AM
1.40
6:21PM
1.29
6:51AM
1.50
7:32PM
1.33
8:04AM
1.45
8:34PM
1.25
9:02AM
1.29
9:24PM
1.12
9:49AM
1.09
10:07PM
0.96
10:30AM
0.89
10:45PM
0.80
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Sunrise8:08--8:10--8:10--8:11--8:11--8:12--8:14--
Sunset-4:15--4:15--4:15--4:15--4:15--4:15--4:16-
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
light rain
heavy rain
light rain
cloud
cloud
clear
part cloud
light rain
light rain
mod rain
mod rain
mod rain
rain showers
Rain (mm)
--------2145----1387101
Temp. °C11111010101011111211109101010111112121210
Feels °C (?)88875454555567333102-11
  • 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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