St Agnes surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 11 am Tuesday 17 Mar 2026 GMT
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
10.4° C
(Which is slightly warmer than usual)

How big are the waves at St Agnes today?

The current surf forecast for St Agnes at 4PM is: 2.5m 13s primary swell from a West direction and 1.5m 7s secondary swell from a South direction (forecast issued at 11:00am March 17). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (17 Mar)8ft (2.4m)14s
Afternoon (17 Mar)8ft (2.5m)13s
Evening (17 Mar)8ft (2.5m)13s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM
Rating
(10 max)
2
2
2
2
4
4
4
3
3
!
3
1
2
2
1
1
1
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.4
W
2.1
W
2.5
W
2.5
W
2.5
W
2.4
W
2.4
W
1.9
W
3
W
3.5
W
3
W
2.5
W
2.3
W
2.1
W
1.8
W
1.6
W
1.4
W
1.2
W
1.1
W
1
W
0.9
WNW
0.8
WNW
0.8
WNW
0.7
WNW
Period(s) (?)141313131313121917161615141413131313131312121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)215515852494232320741854174026445046592143932942224717051155905663461402334260198192147
Wind
(km/h)
35
S
40
S
30
S
25
S
20
S
10
SSE
10
ESE
25
ESE
35
ESE
35
ESE
35
ESE
35
E
35
E
30
E
30
E
30
E
30
E
30
E
25
E
25
E
25
E
20
E
20
E
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
off
offoffcross-
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
cross-
off
High Tide
/ height (m)
4:21PM
5.79
4:37AM
6.23
4:56PM
6.23
5:11AM
6.62
5:30PM
6.56
5:47AM
6.86
Low Tide
/ height (m)
10:25AM
0.76
10:38PM
0.64
10:59AM
0.32
11:12PM
0.25
11:33AM
0.00
11:47PM
-0.01
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise6:31-------6:28-------6:26-------
Sunset---6:28-------6:29-------6:30----
part cloud
clear
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
Rain (mm)
------------------------
Temp. °C101111111099101113121010108891111119988
Feels °C (?)335566654552231224553434
  • 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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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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