Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 am Tuesday 13 Jan 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
10.2° C
(Which is normal for this time of year)


How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 12PM is: 2.3m 11s primary swell from a West direction and 1.8m 10s secondary swell from a South-southwest direction (forecast issued at 05:00am January 13). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (13 Jan)8ft (2.4m)11s
Afternoon (13 Jan)6.5ft (2.0m)12s
Evening (13 Jan)4.5ft (1.4m)12s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
13
Wednesday
14
Thursday
15
Fri
16
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
3
3
3
0
0
0
0
0
1
3
3
3
2
2
0
0
2
3
5
6
!
!
!
!
Swell
Height Map
Wave Height (m) & direction (?)
2.5
W
2.5
W
2.4
W
2.3
W
2
W
1.6
W
1.4
W
1.3
W
0.9
WSW
1
W
1.5
W
1.5
W
1.4
W
1.3
W
1.1
W
2.2
WSW
1.8
W
2.3
WSW
1.9
W
3
W
4
W
4
W
3.5
W
3.5
W
Period(s) (?)12121111121212111515141413131271212201918181716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)179417761478132710586755084013804358948086605513714858871372278756668868888775746005
Wind
(km/h)
20
S
15
SSW
10
WNW
20
N
25
N
30
NNE
25
N
20
NNE
15
NNE
5
ENE
5
SE
10
S
15
SSW
20
SSW
35
SSW
20
WSW
10
WSW
5
W
5
ESE
10
E
15
E
5
NW
20
W
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
on
crosscross-
on
offcross-
off
cross-
off
glasscross-
on
cross
High Tide
/ height (m)
12:55PM
4.46
1:32AM
4.49
2:04PM
4.52
2:36AM
4.67
3:03PM
4.73
Low Tide
/ height (m)
6:41AM
2.14
7:18PM
2.11
7:56AM
2.10
8:27PM
2.00
9:01AM
1.89
9:24PM
1.76
Tuesday
13
Wednesday
14
Thursday
15
Fri
16
Sunrise--8:15-------8:15-------8:15-----
Sunset----4:42-------4:44-------4:45---
cloud
light rain
light rain
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
clear
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
light rain
Rain (mm)
-15-----------1-----5411
Temp. °C1111111088766546779988886688
Feels °C (?)8810621112212212556652433
  • 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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