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Surf Forecasts:
Mawgan Porth surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 6 pm Monday 20 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Mawgan Porth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mawgan Porth sea temperature is
11.5° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Mawgan Porth today?
The current surf forecast for Mawgan Porth at 1AM is: 0.7m 13s primary swell from a West-northwest direction and 0.3m 9s secondary swell from a West direction (forecast issued at 06:00pm April 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 2.5ft (0.7m) | 12s |
| Afternoon (21 Apr) | 2.5ft (0.7m) | 12s |
| Evening (21 Apr) | 1.5ft (0.4m) | 14s |
Table - waves today at Mawgan Porth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 14 | 14 | 13 | 13 | 13 | 12 | 6 | 12 | 12 | 12 | 15 | 10 | 9 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 42 | 67 | 90 | 178 | 205 | 103 | 152 | 152 | 127 | 111 | 73 | 60 | 86 | 55 | 29 | 24 | 14 | 13 | 6 | 5 | 10 | 22 | 75 | 102 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 8:10PM 6.75 | 8:35AM 6.46 | 8:57PM 6.36 | 9:24AM 5.94 | 9:49PM 5.88 | 10:23AM 5.39 | ||||||||||||||||||
Low Tide / height (m) | 2:06PM 0.18 | 2:30AM 0.25 | 2:51PM 0.58 | 3:20AM 0.68 | 3:43PM 1.07 | 4:19AM 1.17 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - |
| Sunset | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - |
 | |  | |  | | |  | | |  | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 9 | 8 | 8 | 6 | 8 | 11 | 12 | 10 | 10 | 8 | 8 | 8 | 10 | 12 | 11 | 11 | 11 | 10 | 9 | 8 | 11 | 13 |
| Feels °C (?) | 6 | 6 | 4 | 2 | 2 | -1 | 0 | 3 | 4 | 2 | 1 | -2 | -1 | -1 | 1 | 3 | 3 | 4 | 3 | 3 | 2 | 1 | 4 | 5 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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