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Surf Forecasts:

Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 pm Tuesday 20 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 10PM is: 3.0m 14s primary swell from a West direction and 2.1m 9s secondary swell from a South-southwest direction (forecast issued at 05:00pm January 20). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (20 Jan)--
Afternoon (20 Jan)10ft (3.0m)15s
Evening (20 Jan)10ft (3.0m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
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
4
2
2
2
2
2
3
4
4
0
0
!
!
!
!
!
1
3
2
!
!
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
W
3
W
3
W
3
W
3
W
2.5
W
2.1
W
1.8
W
3
SSW
3
SSW
3
SSW
2
WSW
4
WSW
5.5
WSW
6
WSW
6
WSW
5
W
4.5
W
3.5
W
3
W
2.2
W
2.5
SSW
7.5
SW
8
SW
Period(s) (?)1514141413131313910101616171616151514141491818
Wave
Graph
(?)Metric surfscale
Energy kJ (?)388137764112405429482166153711211323157614841972908616770179351685911170772852003060189510573327040563
Wind
(km/h)
25
SSW
20
SSW
20
SSW
20
S
30
SSE
45
SE
30
S
35
S
30
S
25
S
20
SSE
10
SSE
25
W
40
WNW
40
WNW
30
W
25
WSW
15
S
30
SE
50
SE
35
SE
25
SSW
35
S
40
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		offoffoffcross-
off		cross-
off		off
High Tide
/ height (m)
6:19PM
5.94
6:37AM
6.27
6:54PM
6.02
7:11AM
6.32
7:30PM
6.01
7:48AM
6.27
Low Tide
/ height (m)
12:26PM
0.58
12:37AM
0.55
1:00PM
0.49
1:11AM
0.51
1:35PM
0.48
1:45AM
0.56
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise------8:08-------8:07-------8:07-
Sunset4:52-------4:54-------4:55-------
light rain
part cloud
clear
part cloud
cloud
light rain
rain showers
light rain
light rain
rain showers
part cloud
cloud
light rain
cloud
rain showers
rain showers
clear
cloud
cloud
light rain
mod rain
mod rain
light rain
rain showers
Rain (mm)
2----22111--1-11---39611
Temp. °C887889111110998988997887667
Feels °C (?)2222105444553-102331-2-1-1-3-3
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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