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Surf Forecasts:

Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 am Tuesday 17 Feb 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
10.1° C
 (Which is normal for this time of year)

How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 10AM is: 3.0m 13s primary swell from a West direction and 0.8m 6s secondary swell from a North direction (forecast issued at 05:00am February 17). The wind direction is predicted to be offshore and the swell rating is 4.

Time (GMT) & DateWave HeightWave Period
Morning (17 Feb)10ft (3.0m)13s
Afternoon (17 Feb)8ft (2.5m)13s
Evening (17 Feb)6ft (1.9m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
0
!
4
4
3
2
0
1
1
2
0
0
3
2
0
0
0
!
0
0
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
4
W
3.5
W
3
W
3
W
2.5
W
2.3
W
1.9
W
1.5
W
2.1
WSW
2.2
WSW
2.2
WSW
2.3
WSW
2.1
W
2.5
W
2.3
W
3
WSW
4.5
W
6.5
W
6
W
5.5
WNW
4.5
WNW
4
W
3.5
W
3
W
Period(s) (?)141413131312121212111111111212121314141413121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)55744410356628332209154410196281121112111001194108420591480258771101708514629102457150509835882482
Wind
(km/h)
25
NNW
15
N
10
E
20
SE
30
SE
40
ESE
50
ESE
35
ESE
30
ESE
35
ESE
40
ESE
40
E
10
ENE
20
NNW
40
NNW
40
NW
35
NNW
30
NNW
30
NW
45
NW
45
NW
35
NW
25
NW
15
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
off		offoffoffoffcross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		ononononononononononcross-
on
High Tide
/ height (m)
5:24PM
6.02
5:40AM
6.42
5:58PM
6.29
6:14AM
6.65
6:32PM
6.45
Low Tide
/ height (m)
11:30AM
0.52
11:42PM
0.42
12:03PM
0.24
12:15AM
0.20
12:36PM
0.08
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
Sunrise--7:28-------7:26-------7:24-----
Sunset----5:40-------5:43-------5:44---
clear
part cloud
cloud
cloud
cloud
light rain
mod rain
light rain
cloud
cloud
light rain
light rain
light rain
mod rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
cloud
Rain (mm)
-----574--25362---------
Temp. °C876777787788987666788999
Feels °C (?)22210-2-30000-164-2-3-2-20-2-2135
  • 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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