Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 am Saturday 14 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Porthtowan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthtowan sea temperature is
10.3° C
(Which is slightly warmer than usual)

How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 9AM is: 3.0m 14s primary swell from a West direction (forecast issued at 05:00am March 14). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (14 Mar)10ft (3.0m)14s
Afternoon (14 Mar)8ft (2.5m)13s
Evening (14 Mar)7ft (2.2m)13s

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


Updates in  hr  min  s Forecast update imminent
Saturday
14
Sunday
15
Monday
16
Tue
17
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
!
3
3
1
1
1
2
1
2
1
1
0
0
0
0
0
0
!
!
!
!
3
3
2
Swell
Height Map
Wave Height (m) & direction (?)
3.5
W
3
W
3
W
2.5
W
2.5
W
2.3
W
2.2
W
2
W
1.9
W
1.8
W
1.5
W
1.9
W
2.1
W
2.5
W
3
WNW
3.5
WNW
4
WNW
4.5
W
4
WNW
3.5
WNW
3.5
W
3
W
3
W
2.5
W
Period(s) (?)14141414131313131212121267892019181817161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)508241123294263721661810160912731080942661946346670133419141167615649933278426526531648293142
Wind
(km/h)
20
NW
15
NW
10
WNW
15
W
20
WNW
20
NW
15
NW
10
W
15
WSW
20
SW
30
SSW
35
W
35
WNW
35
WNW
35
WNW
35
WNW
30
W
25
W
25
WSW
30
SW
35
SW
30
SSW
30
SSW
35
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
on
onononcross-
on
crosscrosscross-
off
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:10PM
4.29
2:38AM
4.66
3:05PM
4.76
3:24AM
5.19
3:45PM
5.28
Low Tide
/ height (m)
8:03AM
2.26
8:31PM
2.11
9:05AM
1.80
9:22PM
1.62
9:48AM
1.28
10:02PM
1.11
Saturday
14
Sunday
15
Monday
16
Tue
17
Sunrise--6:37-------6:35-------6:33-----
Sunset-----6:22-------6:23-------6:25--
cloud
cloud
cloud
rain showers
clear
part cloud
clear
clear
cloud
cloud
cloud
rain showers
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
Rain (mm)
---1-------1------------
Temp. °C77899877789119989989910998
Feels °C (?)23544333333411-1122323231
  • 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 Porthtowan 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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