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Surf Forecasts:

Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 pm Saturday 17 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
10.4° C
 (Which is normal for this time of year)

How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 9PM is: 2.4m 12s primary swell from a West direction (forecast issued at 05:00pm January 17). The wind direction is predicted to be offshore and the swell rating is 4.

Time (GMT) & DateWave HeightWave Period
Morning (17 Jan)--
Afternoon (17 Jan)10ft (3.0m)13s
Evening (17 Jan)8ft (2.4m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
Tuesday
20
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
3
4
4
3
3
3
2
2
2
2
2
1
1
2
2
3
4
5
!
4
4
1
4
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
W
2.5
W
2.4
W
2.1
W
1.9
W
1.7
W
1.6
W
1.4
W
1.3
W
1.2
W
1.1
W
1.1
W
1.1
W
1.1
W
1.2
W
0.9
WNW
1.7
WNW
3
W
3.5
W
3
W
3
W
2.5
WNW
2.5
WNW
3
W
Period(s) (?)131312121211111111101010101211191816161616161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)287722431709122598671159644837230024223723731934859516875200525446404267307233184185
Wind
(km/h)
20
S
15
SSE
10
SE
15
SE
10
SE
5
SE
5
SE
5
S
5
SW
5
SW
5
SSE
5
SSE
5
S
5
SE
5
SSE
10
SSE
10
SSE
15
SE
30
SE
25
SSW
25
S
45
SSE
20
SSE
55
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffoffoffoffoffcross-
off		cross-
off		glasscross-
off		cross-
off		cross-
off		offoffoffcross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off		off
High Tide
/ height (m)
4:32PM
5.30
4:51AM
5.61
5:10PM
5.56
5:27AM
5.89
5:45PM
5.78
6:02AM
6.12
Low Tide
/ height (m)
10:51PM
1.16
11:15AM
0.99
11:28PM
0.89
11:51AM
0.75
12:03AM
0.68
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise------8:11-------8:11-------8:10-
Sunset4:47-------4:50-------4:51-------
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
rain showers
part cloud
light rain
mod rain
mod rain
Rain (mm)
-------------------1-179
Temp. °C1088888799877666897988989
Feels °C (?)545556577655334563322-14-3
  • 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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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.

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

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