Porthmeor surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 6 pm Sunday 10 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Porthmeor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthmeor sea temperature is
12.5° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Porthmeor today?

The current surf forecast for Porthmeor at 1AM is: 1.5m 6s primary swell from a North direction and 0.4m 9s secondary swell from a Southwest direction (forecast issued at 06:00pm May 10). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (11 May)3.5ft (1.0m)6s
Afternoon (11 May)3ft (0.9m)5s
Evening (11 May)1.5ft (0.4m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 12°C on Sun afternoon, min 9°C on Mon night). Winds increasing (light winds from the NNW on Mon night, strong winds from the NW by Wed morning).

Sun
10
Monday
11
Tuesday
12
Wed
13
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)
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
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.9
N
6
1.4
N
6
1.4
N
6
1.5
N
6
1.3
N
6
1.1
N
6
0.9
N
6
0.8
NNW
5
0.9
NNW
5
0.4
SW
9
0.4
SSW
9
0.4
SSW
8
0.6
N
6
0.4
SSW
8
0.4
SSW
8
0.2
SSW
18
0.3
SW
18
0.3
SW
18
0.3
SW
18
1
WNW
5
1.1
NW
5
1.5
WNW
5
2
WNW
7
2.3
WNW
7
Wave Graph
Metric surfscale
Energy kJ
284
151
148
182
128
83
49
32
32
20
30
28
28
27
26
31
49
49
49
50
60
125
350
516
Wind (km/h)
40
NNE
30
NNE
30
NNE
25
NNE
25
N
25
N
20
NNW
25
NNW
20
NNW
20
NNW
15
N
10
N
10
NNW
15
WNW
20
NW
25
NW
25
NW
25
WNW
25
WNW
25
WNW
35
WNW
40
WNW
40
WNW
45
NW
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross
cross-on
cross-on
High Tide
00:31AM4.36m
1:14PM4.23m
1:41AM4.58m
2:18PM4.56m
2:40AM4.93m
Low Tide
6:21PM1.94m
7:08AM1.76m
7:32PM1.78m
8:12AM1.47m
8:34PM1.47m
9:07AM1.10m
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:53
8:54
8:57
8:58
Temp °C
12
12
11
10
10
10
11
11
11
11
10
9
10
10
11
11
11
12
11
11
10
10
11
11
4
5
5
4
4
4
6
6
6
7
6
5
7
7
6
6
5
7
6
6
3
1
2
1
Swell 1
Height (m)
Direction
Period (s)
0.4
ESE
8
0.4
SE
7
0.4
SE
7
0.4
SW
9
0.4
SW
8
0.4
SW
8
0.4
SW
9
0.4
SW
8
0.4
SW
8
0.4
WNW
5
0.4
WNW
5
0.6
N
5
0.6
N
6
0.5
N
6
0.4
SSW
8
0.4
WNW
6
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.3
SSW
8
0.3
SSW
8
0.3
SW
16
0.3
SW
16
0.3
SW
16
Energy kJ
22
14
14
19
18
18
19
18
18
11
10
17
22
15
26
10
17
17
17
13
12
42
41
40
Swell 2
Height (m)
Direction
Period (s)
0.2
W
10
0.2
SSW
9
0.2
SSW
9
0.2
ESE
7
0.2
ESE
7
0.2
ESE
6
0.2
ESE
7
0.2
ESE
6
0.1
W
9
0.4
SW
9
0.4
SSW
9
0.4
SSW
8
0.4
SSW
8
0.4
SSW
8
0.4
WNW
5
0.4
SSW
8
0.3
SW
18
0.3
SW
18
0.3
SW
18
0.2
WNW
12
0.3
WNW
12
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
Energy kJ
8
8
8
5
5
4
4
4
2
20
30
28
28
27
10
26
49
49
49
14
28
6
6
6
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.2
W
10
0.1
SE
6
0.1
W
9
0.1
SW
19
0.4
WNW
5
0.3
WNW
4
0.4
WNW
5
0.4
N
5
0.2
SSW
18
0.2
WNW
12
0.2
WNW
13
0.2
WNW
12
0.2
SSW
18
0.2
SSW
17
0.1
S
11
Energy kJ
4
2
2
2
2
2
2
7
2
2
15
8
4
8
9
31
15
16
15
30
29
2
Wind waves
Height (m)
Direction
Period (s)
1.9
N
6
1.4
N
6
1.4
N
6
1.5
N
6
1.3
N
6
1.1
N
6
0.9
N
6
0.8
NNW
5
0.9
NNW
5
0.6
N
5
0.6
N
5
0.4
NW
5
0.4
NNW
5
0.6
NW
5
0.7
NW
5
0.9
WNW
5
1
WNW
5
1.1
NW
5
1.5
WNW
5
2
WNW
7
2.3
WNW
7
Energy kJ
284
151
148
182
128
83
49
32
32
16
16
8
8
16
22
35
50
60
125
350
516
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
509
523
544
46
46
139
259
31
280
280
255
225
15
270
568
14
562
556
567
527
527
285
735
735
Best forecast wave conditions in North Cornwall
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
1
1
1
1
3
1
2
2
3
3
3
2
2
2
1
1
1
1
4
4
2
Header Global
Rating
(10 max)
9
8
6
5
5
5
5
4
5
5
5
5
9
9
9
9
9
9
9
8
9
9
7
7
  • 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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