Trevone Bay surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 6 am Wednesday 27 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
14.6° C
(Which is 2.2°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 10AM is: 0.9m 10s primary swell from a West direction and 0.3m 4s secondary swell from a North-northwest direction (forecast issued at 06:00am May 27). The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (27 May)3ft (0.9m)10s
Afternoon (27 May)2.5ft (0.8m)10s
Evening (27 May)2.5ft (0.7m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Wed morning. Warm (max 23°C on Wed morning, min 13°C on Thu afternoon). Winds decreasing (fresh winds from the SE on Wed morning, calm by Fri night).

Wednesday
27
Thursday
28
Friday
29
Sat
30
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)
1
1
1
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
W
11
0.9
W
11
0.9
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.7
W
10
0.6
W
10
0.6
W
10
0.5
W
10
0.5
W
9
0.5
W
9
0.4
W
9
0.4
W
9
0.4
W
9
0.4
W
9
0.2
WSW
15
0.2
WSW
15
0.3
W
13
0.8
W
6
0.5
W
12
1
W
7
1.1
W
8
1
W
8
Wave Graph
Metric surfscale
Energy kJ
238
184
174
130
127
96
96
70
68
46
41
41
25
26
26
26
22
22
32
47
73
100
153
132
Wind (km/h)
10
ESE
10
ESE
20
ESE
30
SE
25
SE
25
SSE
20
SSE
10
SSE
10
SSE
10
SSE
20
SSE
20
SSW
25
SW
20
W
10
WSW
15
WSW
15
WSW
15
WSW
15
WSW
15
W
15
W
10
WNW
5
WNW
5
WNW
cross-off
cross-off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
High Tide
3:13AM5.42m
3:41PM5.40m
4:01AM5.56m
4:25PM5.61m
4:43AM5.69m
5:04PM5.80m
Low Tide
9:39AM1.42m
10:00PM1.46m
10:23AM1.29m
10:43PM1.28m
11:02AM1.17m
11:22PM1.13m
clear
rain showers
thunderstorm
clear
clear
clear
clear
clear
cloud
clear
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:16
5:16
5:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:15
9:16
9:19
9:20
1
1
Temp °C
25
24
22
23
22
20
17
16
16
16
17
20
18
13
13
14
14
14
14
14
13
13
13
13
24
23
21
20
19
18
15
15
15
15
14
17
15
10
11
12
12
12
11
12
11
11
12
12
Swell 1
Height (m)
Direction
Period (s)
1
W
11
0.9
W
11
0.9
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.7
W
10
0.6
W
10
0.6
W
10
0.5
W
10
0.5
W
9
0.5
W
9
0.4
W
9
0.4
W
9
0.4
W
9
0.4
W
9
0.3
W
8
0.6
W
5
0.7
W
5
0.8
W
6
0.9
W
6
1
W
7
1.1
W
8
1
W
8
Energy kJ
238
184
174
130
127
96
96
70
68
46
41
41
25
25
25
24
13
20
28
41
66
100
153
132
Swell 2
Height (m)
Direction
Period (s)
0.2
NNW
4
0.3
NNW
4
0.3
NNW
4
0.4
NNW
5
0.4
NNW
5
0.4
N
5
0.3
N
5
0.2
N
5
0.2
N
5
0.2
N
5
0.1
SW
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
W
8
0.3
W
13
0.4
W
12
0.5
W
12
0.6
W
11
0.7
W
11
0.7
W
10
Energy kJ
1
3
4
8
8
8
4
2
2
2
10
25
25
26
26
26
22
5
32
47
73
89
116
108
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
W
19
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
17
0.1
SW
16
0.1
W
12
0.1
W
12
0.1
W
15
0.2
WSW
15
0.2
WSW
15
0.2
WSW
15
0.2
WSW
16
0.2
WSW
16
0.3
SW
16
0.3
SW
16
Energy kJ
7
7
12
12
12
12
12
12
11
10
3
3
4
22
23
23
24
24
40
41
Wind waves
Height (m)
Direction
Period (s)
0.5
SE
3
0.5
SSE
3
0.4
SSE
3
0.3
SSE
3
0.2
S
3
0.2
SSW
2
0.3
S
2
0.4
SSW
3
0.5
SW
4
0.4
SW
4
0.4
SW
4
0.4
WSW
5
0.5
W
5
Energy kJ
4
5
3
2
1
1
1
4
6
6
5
8
12
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
4
2
4
4
4
208
11
4
4
4
4
4
31
52
52
285
52
52
58
52
52
45
45
45
Best forecast wave conditions in North Cornwall
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
6
7
7
9
9
7
8
6
6
9
9
9
7
9
8
7
7
6
6
6
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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