Caerhays surfForecast / Cornwall (South) / UK

information circle16 Day Weather and Surf, issued 12 am Thursday 09 Apr 2026 BST
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
10.9° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 09) at 10PM. The primary swell is predicted to be 0.3m and 15s period with a secondary swell of 0.3m and 8s. 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 4.5m 15s and forecast to arrive on Sunday (Apr 12) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 3s period and expected on Thursday (Apr 09) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Thu 9th Apr)1ft (0.3m) 15s
Best Surf 4AM (Tue 14th Apr)3ft (0.9m) 10s
Most Powerful 4AM (Sun 12th Apr)15ft (4.5m) 15s

Table - best surf conditions forecast for Caerhays over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 6mm), mostly falling on Fri night. Very mild (max 15°C on Wed night, min 5°C on Fri night). Winds increasing (light winds from the E on Thu night, strong winds from the SW by Sat afternoon).

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sun afternoon. Very mild (max 11°C on Mon afternoon, min 7°C on Sun night). Winds decreasing (strong winds from the SW on Sat night, light winds from the N by Mon night).

Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wed
15
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
WSW
0.2
WSW
0.2
WSW
0.7
WSW
0.6
WSW
0.5
WSW
1.4
S
0.7
WSW
1.8
SW
1.2
WSW
1.2
WSW
0.8
WSW
0.5
WSW
0.9
SW
0.7
SSW
0.8
SSW
0.9
SSW
0.9
SSW
0.4
SW
0.4
SW
0.4
WSW
Period(s) (?)121111141514515151516141366789121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)281211183142116109193158157666626898493154113116483557
Wind
(km/h)
15
NW
25
WNW
40
NW
20
NW
25
SE
35
SSE
40
SSW
35
WSW
50
SW
40
WSW
35
W
35
WSW
15
WSW
15
W
15
WSW
5
N
10
E
15
SE
25
SE
25
S
20
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
oncrosscross-
on
cross-
on
crosscross-
on
crosscrosscrossoffcrosscross-
on
cross-
on
oncross
High Tide
/ height (m)
10:04AM
3.46
10:33PM
3.46
11:14AM
3.18
12:05AM
3.27
1:05PM
3.09
Low Tide
/ height (m)
4:24AM
1.18
4:40PM
1.35
5:12AM
1.47
5:34PM
1.61
6:19AM
1.67
6:52PM
1.75
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wed
15
Sunrise-6:39--6:37--6:35--6:33--6:31--6:28--6:26-
Sunset--8:02--8:04--8:06--8:07--8:08--8:10--8:12
part cloud
cloud
part cloud
part cloud
light rain
cloud
rain showers
part cloud
thunderstorm
rain showers
part cloud
rain showers
rain showers
clear
cloud
clear
part cloud
part cloud
part cloud
light rain
clear
Rain (mm)
----1-4-12-22------1-
Temp. °C15119879119991010710119910111313
Feels °C (?)13603023-2-2-2222567567109
  • 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 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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