Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 12 am Tuesday 31 Mar 2026 BST
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
10.7° C
(Which is slightly warmer than usual)

How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 8AM is: 2.0m 15s primary swell from a West-northwest direction and 0.4m 6s secondary swell from a North direction (forecast issued at 12:00am March 31). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (31 Mar)6.5ft (2.0m)14s
Afternoon (31 Mar)5ft (1.6m)14s
Evening (31 Mar)5ft (1.5m)13s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
31
Wednesday
01
Thursday
02
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
1
2
1
1
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
2.5
WNW
2.3
WNW
2.2
WNW
2.1
WNW
1.9
WNW
1.7
WNW
1.6
WNW
1.6
WNW
1.5
WNW
1.4
WNW
1.4
WNW
1.4
WNW
1.4
WNW
1.4
WNW
1.7
W
1.5
W
1.8
W
1.8
W
1.8
WNW
1.8
WNW
1.8
WNW
1.6
WNW
1.5
W
1.4
W
Period(s) (?)151414161414131313121212121212121212111111111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)255821441895202812661090958823670540531531531522827650895879759731718611506408
Wind
(km/h)
20
WNW
15
W
20
WNW
15
WNW
15
NW
10
NW
15
NW
15
NW
15
WNW
20
WNW
20
WNW
20
WNW
15
WNW
15
WNW
20
WNW
25
W
20
W
20
WNW
30
NNW
25
N
25
N
15
NNW
15
NW
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
onononononononcross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
4:57AM
5.96
5:19PM
5.92
5:35AM
6.25
5:54PM
6.18
6:09AM
6.42
6:27PM
6.33
Low Tide
/ height (m)
11:01PM
0.87
11:25AM
0.56
11:39PM
0.56
12:00PM
0.34
12:13AM
0.36
12:32PM
0.24
Tuesday
31
Wednesday
01
Thursday
02
Sunrise----7:00------6:58-------6:56----
Sunset-------7:50-------7:52-------7:52
part cloud
cloud
part cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
Rain (mm)
------------------------
Temp. °C1111111211131310999991011101010877777
Feels °C (?)7889911976544566566111234
  • 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

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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