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Surf Forecasts:

Gwithian surf break

Gwithian surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 am Wednesday 18 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Gwithian surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gwithian sea temperature is
10.4° C
 (Which is slightly warmer than usual)

How big are the waves at Gwithian today?

The current surf forecast for Gwithian at 12PM is: 3.5m 16s primary swell from a West direction (forecast issued at 05:00am March 18). An open ocean swell of 0.6m 6s is not directed at the surf break, a second open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 11.

Time (GMT) & DateWave HeightWave Period
Morning (18 Mar)10ft (3.0m)17s
Afternoon (18 Mar)10ft (3.0m)16s
Evening (18 Mar)8ft (2.4m)14s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Sat
21
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
4
4
4
!
3
2
2
3
1
1
1
1
1
1
1
0
1
1
1
1
0
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
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
1.2
W
1.1
W
1
W
0.9
WNW
0.8
WNW
0.8
WNW
0.7
WNW
0.7
WNW
0.6
W
0.6
W
0.5
W
0.5
W
Period(s) (?)121917161615141413131313131312121212121111111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)17402644467859214688320024411705128390567953947540231424419218914013389865955
Wind
(km/h)
10
SE
15
E
30
ESE
35
ESE
35
ESE
35
E
35
E
30
E
25
E
25
E
25
E
30
E
25
E
25
E
20
E
20
E
15
E
15
E
20
E
20
E
20
E
10
E
10
E
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		offoffoffoffcross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
4:40AM
6.08
4:59PM
6.08
5:15AM
6.47
5:34PM
6.41
5:50AM
6.70
6:09PM
6.58
Low Tide
/ height (m)
11:02AM
0.32
11:15PM
0.25
11:36AM
0.01
11:50PM
-0.01
12:11PM
-0.15
Wednesday
18
Thursday
19
Friday
20
Sat
21
Sunrise--6:30-------6:26-------6:24-----
Sunset-----6:30-------6:31-------6:32--
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C991113121110109891111101099991112111010
Feels °C (?)655643233234545455468877
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Gwithian 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.

View detailed surf forecast for Gwithian at:
surf-forecast.com

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