Caerhays surfForecast / Cornwall (South) / UK

information circle48hr Weather and Surf, issued 6 pm Tuesday 12 May 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
12.7° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Caerhays today?

The current surf forecast for Caerhays at 11PM is: 0.2m 8s primary swell from a South-southwest direction and 0.1m 18s secondary swell from a South direction (forecast issued at 06:00pm May 12). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)--
Afternoon (12 May)0.5ft (0.1m)18s
Evening (12 May)0.5ft (0.1m)18s

Table - waves today at Caerhays. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Thu afternoon. Very mild (max 12°C on Tue afternoon, min 7°C on Thu night). Winds decreasing (strong winds from the WNW on Wed morning, light winds from the N by Thu night).

Tue
12
Wednesday
13
Thursday
14
Fri
15
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
17
0.2
SSW
8
0.1
SW
16
0.2
SSW
16
0.2
SSW
16
0.1
SW
16
0.3
WSW
10
0.3
WSW
10
0.3
WSW
10
0.2
WSW
10
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
S
15
0.1
S
14
0.1
S
14
0.1
S
14
0.1
S
14
0.1
S
14
0.1
S
14
Wave Graph
Metric surfscale
Energy kJ
6
6
6
6
6
6
10
25
25
10
20
20
20
10
8
8
8
4
4
4
4
4
4
4
Wind (km/h)
25
NW
25
WNW
20
WNW
30
WNW
40
WNW
40
WNW
45
WNW
45
NW
40
NW
35
WNW
35
NW
35
NNW
35
NW
35
NNW
35
NNW
30
NNW
30
NNW
25
NNW
25
N
20
N
20
NNE
10
N
20
NNW
25
NNW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
cross-off
High Tide
2:33PM3.63m
2:48AM3.93m
3:22PM3.93m
3:37AM4.21m
4:06PM4.25m
4:22AM4.48m
Low Tide
8:47PM1.25m
9:25AM0.87m
9:50PM0.90m
10:20AM0.51m
10:43PM0.51m
11:09AM0.18m
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
rain showers
part cloud
clear
part cloud
part cloud
light rain
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:33
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:53
8:55
8:57
8:58
1
1
1
Temp °C
12
12
11
11
10
10
10
11
11
11
10
9
9
9
10
11
9
9
9
8
7
8
10
10
6
7
6
5
2
1
0
1
2
3
2
1
1
1
2
4
2
3
3
3
2
5
5
4
Swell 1
Height (m)
Direction
Period (s)
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.1
SW
8
0.2
WSW
10
0.2
SSW
16
0.1
SW
16
0.3
WSW
10
0.3
WSW
10
0.3
WSW
10
0.2
WSW
10
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
8
0.1
SW
8
0.1
W
8
0.1
W
8
0.1
S
14
0.1
W
10
0.1
S
14
Energy kJ
6
6
6
6
6
6
2
10
25
10
20
20
20
10
8
8
8
3
2
1
1
4
2
4
Swell 2
Height (m)
Direction
Period (s)
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
17
0.1
S
16
0.1
SW
16
0.2
SSW
16
0.1
SW
7
0.1
SW
7
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
15
0.1
W
10
0.1
SW
5
0.1
W
6
0.1
S
15
0.1
S
14
0.1
S
14
0.1
S
14
0.1
W
7
0.1
S
14
0.1
W
7
Energy kJ
6
6
6
6
6
5
10
25
2
2
10
10
10
9
2
1
1
4
4
4
4
1
4
1
Swell 3
Height (m)
Direction
Period (s)
0.1
W
13
0.1
W
13
0.1
W
13
0.1
SW
5
0.1
SW
8
0.1
S
7
0.1
S
7
0.1
S
7
0.1
S
7
0.1
W
8
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
Energy kJ
3
3
3
1
2
1
1
1
1
1
2
2
2
2
2
2
2
2
Wind waves
Height (m)
Direction
Period (s)
0.4
NW
3
0.4
NW
3
0.4
NW
3
0.4
WNW
3
0.5
WNW
3
0.7
WNW
3
0.9
WNW
4
0.9
NW
4
0.9
NW
4
0.8
WNW
4
0.6
NW
4
0.7
NW
4
0.7
NW
4
0.7
NW
4
0.8
NNW
4
0.7
NW
4
0.8
NNW
4
0.7
NNW
4
0.5
N
3
0.4
NNW
3
0.3
N
3
0.2
N
3
0.4
NNW
3
0.4
NNW
3
Energy kJ
2
2
2
3
5
11
19
24
19
17
10
13
14
14
17
14
17
12
6
3
1
1
3
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
1
1
1
1
2
1
Distance (km)
530
534
530
530
519
519
740
1088
1311
758
300
300
75
75
241
243
264
270
54
151
46
37
270
224
Best forecast wave conditions in South Cornwall
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
2
2
4
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
5
5
5
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)
Map placeholder

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