Trevone Bay surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 12 am Tuesday 12 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Trevone Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trevone Bay sea temperature is
12.5° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Trevone Bay today?

The current surf forecast for Trevone Bay at 8AM is: 0.4m 8s primary swell from a Southwest direction and 0.4m 5s secondary swell from a North direction, 0.3m 4s secondary swell from a West-northwest direction (forecast issued at 12:00am May 12). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)2ft (0.6m)5s
Afternoon (12 May)0.5ft (0.2m)18s
Evening (12 May)4ft (1.2m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Thu morning. Very mild (max 12°C on Tue afternoon, min 10°C on Tue night). Winds increasing (light winds from the NW on Mon night, strong winds from the NW by Wed morning).

Tuesday
12
Wednesday
13
Thursday
14
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
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.3
SW
9
0.4
SW
9
0.4
SW
8
0.6
NNW
5
0.6
NNW
4
0.2
WSW
18
1.1
NW
5
1.1
WNW
5
1.3
WNW
5
1.8
WNW
6
2.5
WNW
7
3
WNW
8
3
WNW
8
2.5
WNW
8
3
WNW
8
3
WNW
8
3
NW
8
3
NW
8
3
NW
7
2.5
NW
7
2.5
NW
7
2.5
NW
7
1.7
NNW
7
1.3
WNW
8
Wave Graph
Metric surfscale
Energy kJ
12
19
18
16
12
34
60
66
90
231
686
923
996
904
871
998
1025
844
817
716
606
583
268
196
Wind (km/h)
10
N
5
NW
15
WNW
25
NNW
20
NW
25
NW
25
WNW
30
WNW
35
WNW
45
WNW
45
WNW
50
NW
45
NW
40
WNW
40
NW
45
NW
45
NNW
45
NNW
40
NNW
45
NNW
40
NNW
40
NNW
35
NNW
35
NNW
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
High Tide
1:55AM5.12m
2:32PM5.11m
2:55AM5.51m
3:26PM5.57m
3:47AM5.96m
4:15PM6.05m
Low Tide
8:26AM1.69m
8:48PM1.66m
9:20AM1.27m
9:41PM1.23m
10:09AM0.83m
cloud
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
cloud
cloud
rain showers
cloud
part cloud
part cloud
rain showers
light rain
cloud
cloud
light rain
light rain
light rain
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:35
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:55
8:57
8:59
1
1
1
2
2
1
Temp °C
11
11
11
11
11
12
12
12
11
10
11
10
10
11
11
11
10
10
10
10
10
10
10
10
8
9
8
6
6
6
7
6
4
0
1
-1
0
2
2
2
0
0
1
0
1
1
2
2
Swell 1
Height (m)
Direction
Period (s)
0.5
N
5
0.4
N
6
0.4
N
5
0.3
SW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
WNW
12
0.2
SSW
8
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.2
WSW
15
0.2
WSW
15
0.2
WSW
15
0.1
SW
15
1.3
WNW
8
1.3
WNW
8
Energy kJ
12
9
9
11
7
7
6
6
14
6
26
25
25
25
25
25
25
24
22
21
21
8
196
196
Swell 2
Height (m)
Direction
Period (s)
0.4
WNW
5
0.3
WNW
4
0.4
SW
8
0.2
W
9
0.2
W
8
0.2
WSW
18
0.2
WSW
18
0.2
WNW
12
0.2
SSW
8
0.1
SW
17
0.1
SW
8
0.1
SW
8
0.1
SW
8
0.1
SW
7
0.1
S
7
0.1
SW
15
0.1
SW
14
Energy kJ
8
3
18
6
6
30
30
15
6
12
2
2
2
2
1
8
8
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
9
0.4
SW
9
0.2
W
9
0.1
SW
18
0.1
SW
18
0.2
W
8
0.2
WNW
12
0.2
WSW
18
0.2
WSW
18
Energy kJ
12
19
6
13
12
5
15
30
30
Wind waves
Height (m)
Direction
Period (s)
0.3
WNW
4
0.6
NNW
5
0.6
NNW
4
0.9
NW
4
1.1
NW
5
1.1
WNW
5
1.3
WNW
5
1.8
WNW
6
2.5
WNW
7
3
WNW
8
3
WNW
8
2.5
WNW
8
3
WNW
8
3
WNW
8
3
NW
8
3
NW
8
3
NW
7
2.5
NW
7
2.5
NW
7
2.5
NW
7
1.7
NNW
7
1.5
N
6
Energy kJ
3
16
12
34
60
66
90
231
686
923
996
904
871
998
1025
844
817
716
606
583
268
184
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
2
2
1
1
1
1
1
Distance (km)
237
58
233
75
471
519
548
516
475
517
518
773
1122
931
773
336
93
336
336
267
260
380
247
68
Best forecast wave conditions in North Cornwall
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
1
1
1
3
4
4
4
1
4
4
4
2
2
3
1
1
1
1
1
Header Global
Rating
(10 max)
9
9
5
8
8
9
9
9
9
6
9
9
7
7
6
9
8
9
5
5
5
5
5
5
  • 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

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