- 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 12 pm Saturday 30 May 2026 BSTForecast 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
14.9° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at Porthtowan today (30 May):
- Morning surf: Morning surf (30 May, local time) - 3.5ft (1.1m), 10s period with W swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 2.5ft (0.8m), 13s period with W swell.
- Evening surf: Evening surf (30 May, local time) - 6ft (1.9m), 12s period with W swell.
The current surf forecast for Porthtowan at 8PM is: 1.8m 12s primary swell from a West direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 12:00pm May 30). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 3.5ft (1.1m) | 10s |
| Afternoon (30 May) | 2.5ft (0.8m) | 13s |
| Evening (30 May) | 6ft (1.9m) | 12s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Mon night. Very mild (max 16°C on Sat morning, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 10 | W 9 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | WSW 10 | WSW 10 | WSW 10 | W 8 | |
225 | 157 | 342 | 846 | 1013 | 1117 | 1098 | 1010 | 1027 | 1027 | 1010 | 963 | 836 | 807 | 707 | 711 | 643 | 631 | 643 | 202 | 717 | 678 | 784 | 588 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | |
High Tide | 5:31PM5.70m | 5:50AM5.64m | 6:07PM5.78m | 6:26AM5.66m | 6:43PM5.79m | |||||||||||||||||||
Low Tide | 11:31AM1.02m | 11:52PM0.97m | 12:07PM0.97m | 00:28AM0.92m | 12:42PM0.96m | 1:04AM0.93m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | |  | | | |  |  |  | | |
 | 5:16 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — |
 | — | — | — | 9:19 | — | — | — | — | — | — | — | 9:21 | — | — | — | — | — | — | — | 9:22 | — | — | — | 9:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 2 | 7 | 1 | — | — | |
Temp °C | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 13 | 13 |
13 | 14 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 12 | 13 | 11 | 11 | 12 | 11 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | WSW 11 | WSW 11 | SW 14 | SW 14 | W 10 | WSW 10 | SSW 13 | SSW 13 | SSW 13 |
 kJ | 225 | 157 | 171 | 846 | 1013 | 1117 | 1098 | 1010 | 1027 | 1027 | 1010 | 963 | 836 | 807 | 707 | 711 | 643 | 33 | 33 | 202 | 717 | 17 | 17 | 17 |
Swell 2 Height (m) Direction Period (s) | SW 15 | W 14 | W 13 | SW 16 | SW 15 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | — | SSW 14 | SW 14 | — | S 18 | S 18 |
| kJ | 58 | 96 | 342 | 61 | 60 | 49 | 61 | 24 | 24 | 53 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 41 | — | 20 | 29 | — | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | W 15 | SW 15 | SW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 39 | 57 | 58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 4 | — | — | — | — | — | — | — | — | — | — | — | — | WSW 11 | WSW 11 | SW 6 | — | WSW 10 | WSW 10 | W 8 |
| kJ | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | 631 | 643 | 167 | — | 678 | 784 | 588 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 17 | 19 | 5 | 17 | 24 | 165 | 20 | 57 | 57 | 227 | 17 | 5 | 0 | 0 | 16 | 42 | 42 | 102 | 102 | 17 | 19 | 147 | 57 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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