Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
- Forecast
- Maps
- Live
- Weather State
- Spot Information
Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 5 am Thursday 27 Nov 2025 GMTForecast 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
12.9° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 8AM is: 2.1m 9s primary swell from a West-southwest direction (forecast issued at 05:00am November 27). An open ocean swell of 0.1m 20s is not directed at the surf break, a second open ocean swell of 0.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Nov) | 7ft (2.2m) | 9s |
| Afternoon (27 Nov) | 8ft (2.5m) | 9s |
| Evening (27 Nov) | 8ft (2.4m) | 9s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 27 | Friday 28 | Saturday 29 | Sun 30 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 10 | 19 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 626 | 612 | 744 | 785 | 950 | 919 | 982 | 1316 | 7083 | 9574 | 9843 | 10348 | 8994 | 8018 | 7173 | 5929 | 3389 | 3237 | 4741 | 3432 | 2894 | 2648 | 2483 | 1636 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- off | cross | cross | on | on | on | on | on | cross- on | cross- on |
High Tide / height (m) | 9:14AM 5.06 | 9:45PM 4.73 | 10:14AM 4.96 | 10:53PM 4.69 | 11:24AM 4.99 | |||||||||||||||||||
Low Tide / height (m) | 3:46PM 1.71 | 4:06AM 1.83 | 4:51PM 1.73 | 5:15AM 1.83 | 6:00PM 1.60 | |||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sun 30 | |||||||||||||||||||||
| Sunrise | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:23 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - |
 |  |  | | |  | | | | |  | | | | | |  |  |  |  |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 6 | 2 | 1 | - | - | 1 | 1 |
| Temp. °C | 13 | 13 | 13 | 13 | 14 | 13 | 11 | 11 | 11 | 12 | 12 | 12 | 11 | 10 | 11 | 12 | 12 | 9 | 9 | 10 | 10 | 9 | 9 | 9 |
| Feels °C (?) | 7 | 8 | 7 | 7 | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 4 | 3 | 4 | 5 | 4 | 3 | 5 | 5 | 4 | 4 | 2 | 2 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
5 Reasons Why Costa Rica Is A Surfer (and Non Surfer) Paradise
With or without a surfboard, Costa Rica is a bucket list destination that has shown what a nation is capable of when nature is put first.
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.
Nearest