St Agnes Surf Break

Lat Long: 50.32° N 5.23° W

St Agnes 48 hour detailed Surf Forecast

Issued: 6 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's St Agnes sea temperature is
17.9°C
1.8° 

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 (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 5ft (1.6m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 4.5ft (1.4m), 9s period with W swell.
  • Evening surf: Evening surf (11 Sep, local time) - 4ft (1.2m), 8s period with W swell.

The current surf forecast for St Agnes at 11AM is: 1.5m 9s primary swell from a West direction (forecast issued at 06:00am September 11). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (11 Sep)5ft (1.6m)9s
Afternoon (11 Sep)4.5ft (1.4m)9s
Evening (11 Sep)4ft (1.2m)8s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Very mild (max 19°C on Sat afternoon, min 14°C on Fri night). Wind will be generally light.

Friday
11
Saturday
12
Sunday
13
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
1
1
0
0
0
0
1
1
2
0
0
0
0
0
1
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)
1.8
W
10
1.7
W
10
1.6
W
9
1.5
W
9
1.4
W
9
1.3
W
8
1.2
W
8
1.1
W
8
1.1
W
8
1.2
W
8
1.3
W
8
1.4
W
8
1.6
W
8
1.8
W
8
1.8
W
10
1.9
W
10
1.9
W
10
1.8
W
10
1.7
W
10
1.6
W
10
1.5
W
10
1.4
W
10
1.3
W
10
Wave Graph
Metric surfscale
Energy kJ
614
529
417
351
292
234
190
156
160
196
235
273
318
448
585
680
696
635
555
482
424
363
307
Wind (km/h)
15
WNW
15
NW
15
NW
15
NW
15
NNW
10
NW
10
W
10
SW
15
SW
15
SSW
20
SW
25
SW
30
SW
25
SW
25
SW
25
SW
25
WSW
25
WSW
15
W
15
W
15
W
15
WSW
15
WSW
Wind State
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
High Tide
5:53AM6.36m
6:11PM6.74m
6:31AM6.55m
6:48PM6.80m
7:07AM6.57m
7:24PM6.68m
Low Tide
12:14PM0.13m
00:37AM-0.05m
12:50PM0.01m
1:11AM-0.04m
1:25PM0.06m
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
light rain
cloud
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:44
7:42
7:39
 mm
5
Temp °C
17
16
17
17
16
15
15
14
15
15
17
18
19
18
18
18
18
18
18
18
19
18
19
Feels °C
15
14
15
15
14
15
14
13
13
13
14
14
15
15
16
16
16
16
18
18
19
18
19
  • 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 

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