Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 am Monday 19 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
10.3° 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: 1.8m 11s primary swell from a West-southwest direction and 0.3m 20s secondary swell from a West-northwest direction (forecast issued at 05:00am January 19). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (19 Jan)6ft (1.8m)11s
Afternoon (19 Jan)5ft (1.6m)18s
Evening (19 Jan)11ft (3.5m)16s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
19
Tuesday
20
Wednesday
21
Thu
22
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)
1
1
3
2
0
3
!
5
2
1
0
3
3
!
!
!
4
4
2
2
1
3
3
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
W
1.4
WSW
1.8
WSW
2.2
WSW
1.6
WNW
3
W
3.5
W
3
W
2.5
WNW
2.4
WNW
2.4
WNW
2.5
WNW
3
W
3.5
W
3.5
W
3.5
W
3
W
2.5
W
2.2
W
1.8
W
1.6
W
2.5
SSW
2.3
SSW
2.2
SSW
Period(s) (?)101211101816161616161616151414141413131313889
Wave
Graph
(?)Metric surfscale
Energy kJ (?)23948875710121652555255224888352928362801286842844997457443103190218216671121875954722794
Wind
(km/h)
15
SSE
15
SSE
15
SSE
25
S
25
WNW
15
W
10
SSW
15
SSE
35
SSE
55
SSE
50
SSE
25
S
30
S
25
SSW
20
S
15
S
15
SSE
25
SE
40
ESE
30
SSE
30
S
15
SSE
20
SE
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offcross-
off		oncross-
on		cross-
off		offcross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		offoff
High Tide
/ height (m)
5:45PM
5.78
6:02AM
6.12
6:19PM
5.94
6:37AM
6.27
6:54PM
6.02
Low Tide
/ height (m)
11:51AM
0.75
12:03AM
0.68
12:26PM
0.58
12:37AM
0.55
1:00PM
0.49
Monday
19
Tuesday
20
Wednesday
21
Thu
22
Sunrise--8:11-------8:10-------8:08-----
Sunset----4:51-------4:52-------4:54---
clear
part cloud
part cloud
cloud
light rain
part cloud
clear
part cloud
part cloud
cloud
mod rain
light rain
light rain
clear
rain showers
rain showers
cloud
part cloud
cloud
light rain
light rain
light rain
cloud
cloud
Rain (mm)
----1-----841-11---111--
Temp. °C778108766899998777781110999
Feels °C (?)334422210-3-23222331-164554
  • 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

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest