St Agnes Surf Break

Lat Long: 50.32° N 5.23° W

St Agnes 48 hour detailed Surf Forecast

Issued: 12 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's St Agnes sea temperature is
18.7° C
1.7° 

St Agnes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at St Agnes today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 2.5ft (0.8m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 3ft (0.9m), 9s period with W swell.
  • Evening surf: Evening surf (12 Aug, local time) - 3.5ft (1.0m), 9s period with W swell.

The current surf forecast for St Agnes at 8AM is: 0.8m 10s primary swell from a West direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00am August 12). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Aug)2.5ft (0.8m)10s
Afternoon (12 Aug)3ft (0.9m)9s
Evening (12 Aug)3.5ft (1.0m)9s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Wed afternoon, min 18°C on Thu night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
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
4 PM
7 PM
10 PM
Rating
(10 max)
0
1
1
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
W
11
0.7
W
10
0.8
W
10
0.8
W
10
0.8
W
10
0.9
W
9
0.9
WSW
9
1
W
9
1
W
9
1
W
10
1.1
W
11
1.2
W
11
1.2
W
10
1.2
W
10
1.1
W
10
1.1
W
10
1
W
10
1
W
9
1
W
9
1
W
9
1
W
9
1.1
W
9
1.3
W
8
1.3
WNW
8
Wave Graph
Metric surfscale
Energy kJ
85
106
125
125
117
139
144
180
180
192
279
319
290
284
234
230
183
173
162
159
155
184
228
235
Wind (km/h)
20
ESE
15
ESE
15
E
20
ESE
20
SE
10
SSE
5
WSW
0
NNE
5
NE
5
NNW
10
NNW
15
NNW
20
NNW
20
NW
20
WNW
15
WNW
15
WNW
15
WNW
10
WNW
15
WNW
15
WNW
20
NW
20
NNW
20
NNW
Wind State
cross-off
cross-off
cross-off
cross-off
off
off
glassy
glassy
glassy
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
High Tide
5:25AM6.02m
5:47PM6.47m
6:11AM6.33m
6:31PM6.76m
6:54AM6.50m
7:13PM6.86m
Low Tide
11:30PM0.50m
11:49AM0.44m
00:17AM0.14m
12:34PM0.15m
1:00AM-0.06m
1:15PM0.01m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:05
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:44
8:43
 mm
Temp °C
19
20
19
23
26
28
25
22
21
21
20
21
21
21
21
19
19
19
18
20
20
19
18
17
Feels °C
16
18
17
20
24
27
26
23
21
21
20
19
19
20
21
19
19
20
19
21
20
18
16
15
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our St Agnes surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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