- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Mawgan Porth surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 6 am Thursday 21 Aug 2025 BST
How big are the waves at Mawgan Porth today?
The current surf forecast for Mawgan Porth at 9AM is: 0.5m 5s primary swell from a North direction and 0.2m 6s secondary swell from a West-southwest direction (forecast issued at 06:00am August 21). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 5s |
| Afternoon (21 Aug) | 1ft (0.3m) | 15s |
| Evening (21 Aug) | 1.5ft (0.5m) | 14s |
Table - waves today at Mawgan Porth. (Swell directed towards the surf break)
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 5 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 21 | 22 | 18 | 30 | 47 | 77 | 141 | 194 | 210 | 294 | 278 | 256 | 279 | 276 | 222 | 168 | 164 | 156 | 120 | 118 | 92 | 109 | 89 | 86 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- on | cross | cross- off | glass | cross- off |
High Tide / height (m) | 4:33AM 5.44 | 4:57PM 5.84 | 5:22AM 5.81 | 5:42PM 6.22 | 6:04AM 6.11 | 6:21PM 6.51 | ||||||||||||||||||
Low Tide / height (m) | 10:59AM 1.19 | 11:28PM 0.88 | 11:45AM 0.83 | 12:10AM 0.56 | 12:24PM 0.55 | 12:47AM 0.36 | ||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
| Sunrise | - | 6:16 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:24 | - | - |
 |  | | | |  |  | | | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 14 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 17 |
| Feels °C (?) | 14 | 12 | 14 | 12 | 12 | 13 | 12 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 16 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Cornwall (North)
Offshore wind has become cross-off at Sennen Cove (light winds from the ENE at Land's End Airport 3 km from Sennen Cove). 0.4m 5s windswell from the N with a 0.2m 6s windswell from the SSW. 2 swells combining to make bigger set waves.
2 h 11 min ago
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 Mawgan Porth 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