St Agnes surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 pm 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 8PM is: 2.5m 13s primary swell from a West direction and 0.6m 8s secondary swell from a South-southwest direction, 1.4m 7s secondary swell from a South direction (forecast issued at 05:00pm March 17). The wind direction is predicted to be offshore and the swell rating is 4.

Time (GMT) & DateWave HeightWave Period
Morning (17 Mar)--
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
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
2
2
4
4
4
3
3
!
3
2
2
2
1
1
1
0
0
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
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
2.4
W
2.1
W
1.9
W
1.6
W
1.4
WNW
1.3
W
1.1
W
1
W
0.9
WNW
0.9
WNW
0.8
WNW
0.8
WNW
0.7
WNW
0.7
WNW
Period(s) (?)131313131219171616151414131313131313121212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2491249420741854174026445046592146883200244117051283905679539402334256244192189142133
Wind
(km/h)
30
S
25
S
20
SSE
15
SSE
10
SE
20
ESE
30
ESE
35
ESE
35
ESE
35
E
35
E
30
E
25
E
25
E
30
E
30
E
25
E
25
E
20
E
20
E
15
E
15
E
20
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
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
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)
10:38PM
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
Sunrise------6:28-------6:26-------6:24-
Sunset-6:28-------6:29-------6:30------
cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C111110109911131211101098911121110998911
Feels °C (?)566765565423323466545446
  • 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

Latest Updates

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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