St Agnes Surf Break

Lat Long: 50.32° N 5.23° W

St Agnes 48 hour detailed Surf Forecast

Issued: 12 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's St Agnes sea temperature is
18.4° C
1.4° 

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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 4ft (1.2m), 9s period with WNW swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 5ft (1.5m), 6s period with W swell.
  • Evening surf: Evening surf (19 Aug, local time) - 6.5ft (2.0m), 7s period with W swell.

The current surf forecast for St Agnes at 3AM is: 1.2m 7s primary swell from a West direction and 0.2m 17s secondary swell from a South-southwest direction (forecast issued at 12:00am August 19). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (19 Aug)4ft (1.2m)9s
Afternoon (19 Aug)5ft (1.5m)6s
Evening (19 Aug)6.5ft (2.0m)7s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Fri morning. Very mild (max 18°C on Tue night, min 13°C on Fri morning). Mainly fresh winds.

Wednesday
19
Thursday
20
Friday
21
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
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 Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
W
7
1.2
W
7
1.2
WNW
9
1.2
WNW
9
1.4
WNW
9
1.5
W
6
1.8
W
7
2.1
W
8
2.2
W
8
2.3
W
9
2.4
W
9
2.5
WNW
9
2.3
WNW
9
2.2
WNW
9
1.9
WNW
10
1.7
WNW
10
1.4
W
9
1.3
W
9
1.2
W
9
1.1
W
8
0.9
W
8
0.8
WNW
8
0.8
WNW
8
0.9
NNW
5
Wave Graph
Metric surfscale
Energy kJ
142
155
243
254
321
160
297
491
634
780
899
933
845
807
681
551
347
276
215
165
108
90
69
37
Wind (km/h)
20
WSW
15
W
20
NW
20
WNW
30
WNW
30
W
30
W
30
W
25
W
30
W
30
WNW
30
WNW
30
WNW
25
NW
20
NW
15
N
15
N
15
NNE
10
NE
15
NNE
15
NNE
20
NNW
20
NNW
20
N
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
High Tide
10:08AM5.28m
10:29PM5.07m
10:52AM4.83m
11:20PM4.59m
11:51AM4.44m
Low Tide
4:05AM1.23m
4:23PM1.44m
4:45AM1.69m
5:10PM1.88m
5:37AM2.10m
6:16PM2.23m
cloud
light rain
rain showers
clear
clear
part cloud
clear
clear
clear
clear
part cloud
rain showers
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:32
8:30
8:29
 mm
1
2
1
1
3
Temp °C
18
16
17
18
18
18
18
17
17
16
16
17
18
18
17
16
15
15
15
15
13
14
15
14
Feels °C
16
14
15
15
13
12
13
12
13
11
11
12
13
14
13
14
13
13
13
12
10
10
11
10
  • 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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