St Agnes surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 12 pm Wednesday 13 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
St Agnes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's St Agnes sea temperature is
12.6° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at St Agnes today?

The current surf forecast for St Agnes at 4PM is: 2.5m 8s primary swell from a West-northwest direction and 0.3m 16s secondary swell from a Southwest direction, 0.1m 7s secondary swell from a Southwest direction (forecast issued at 12:00pm May 13). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (13 May)10ft (3.0m)8s
Afternoon (13 May)10ft (3.0m)8s
Evening (13 May)8ft (2.5m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Wed morning. Very mild (max 12°C on Wed afternoon, min 9°C on Wed night). Winds decreasing (strong winds from the NW on Wed morning, light winds from the W by Fri night).

Wed
13
Thursday
14
Friday
15
Sat
16
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
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
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)
3
WNW
8
3
WNW
8
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
3
NW
8
3
NW
8
2.5
NW
8
2.5
NW
7
2.4
NW
7
2.5
NW
7
2.2
NW
7
1.2
WNW
7
1.2
WNW
9
1.1
WNW
8
1
WNW
8
0.9
WNW
7
1.6
NNW
6
1.6
NNW
6
1.4
NNW
6
1.3
NNW
6
0.7
WNW
8
0.8
WNW
8
0.8
W
8
Wave Graph
Metric surfscale
Energy kJ
1184
1150
949
782
791
926
839
796
740
612
627
447
143
227
163
133
91
203
197
165
137
60
77
74
Wind (km/h)
45
NW
45
NW
40
NW
35
NW
40
NW
40
NNW
40
NNW
40
NNW
35
NNW
35
NNW
40
NNW
30
NNW
30
NNW
25
N
20
N
25
N
25
N
25
NNW
25
NNW
20
NNW
15
NW
10
W
10
NW
10
W
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
3:17PM5.34m
3:37AM5.71m
4:05PM5.81m
4:25AM6.13m
4:50PM6.22m
5:11AM6.45m
Low Tide
9:13AM1.20m
9:34PM1.17m
10:02AM0.78m
10:23PM0.74m
10:48AM0.42m
11:09PM0.37m
rain showers
clear
clear
light rain
rain showers
part cloud
part cloud
cloud
light rain
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:35
5:33
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:57
8:59
9:00
9:01
1
1
1
1
1
1
1
1
Temp °C
11
11
12
11
10
10
9
9
9
10
10
10
9
9
9
10
10
10
10
10
9
9
9
10
2
2
4
3
1
1
0
0
1
2
2
3
2
2
3
4
4
4
3
4
4
5
5
7
Swell 1
Height (m)
Direction
Period (s)
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
15
0.3
SW
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
15
1.2
WNW
7
1.2
WNW
9
1.1
WNW
8
1
WNW
8
0.9
WNW
7
0.2
SSW
14
0.1
SW
14
0.1
SW
13
0.9
N
6
0.7
N
6
0.6
N
6
0.8
W
8
Energy kJ
41
40
40
40
40
40
38
34
33
21
21
21
143
227
163
133
91
19
7
7
61
35
25
74
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
8
0.2
SSW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
S
7
0.1
S
7
0.1
S
7
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.8
WNW
8
0.2
W
9
0.2
W
9
0.5
N
6
Energy kJ
6
5
2
2
2
2
1
1
1
21
21
20
20
20
18
75
7
7
15
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
14
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.2
W
9
Energy kJ
21
7
7
7
7
Wind waves
Height (m)
Direction
Period (s)
3
WNW
8
3
WNW
8
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
3
NW
8
3
NW
8
2.5
NW
8
2.5
NW
7
2.4
NW
7
2.5
NW
7
2.2
NW
7
1.5
N
6
1.4
N
6
1.4
N
6
1.6
N
6
1.5
N
6
1.6
NNW
6
1.6
NNW
6
1.4
NNW
6
1.3
NNW
6
0.7
WNW
8
0.8
WNW
8
Energy kJ
1184
1150
949
782
791
926
839
796
740
612
627
447
178
144
143
200
182
203
197
165
137
60
77
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
747
754
754
747
320
104
728
103
254
1081
1146
582
153
153
256
279
279
238
306
279
44
241
20
21
Best forecast wave conditions in North Cornwall
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
4
4
2
3
1
1
1
1
1
1
4
4
3
4
4
1
3
Header Global
Rating
(10 max)
8
7
7
9
9
9
9
9
5
5
5
5
5
5
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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