Porthmeor surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 6 am Tuesday 12 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
12.4° C
(Which is slightly warmer than usual)

How big are the waves at Porthmeor today?

The current surf forecast for Porthmeor at 3PM is: 0.9m 5s primary swell from a Northwest direction and 0.4m 8s secondary swell from a Southwest direction, 0.2m 18s secondary swell from a South-southwest direction (forecast issued at 06:00am May 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)0.5ft (0.2m)18s
Afternoon (12 May)3ft (0.9m)5s
Evening (12 May)3.5ft (1.1m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Very mild (max 12°C on Tue afternoon, min 8°C on Thu morning). Winds increasing (moderate winds from the NW on Tue morning, strong winds from the NW by Wed morning).

Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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)
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)
0.4
SSW
8
0.4
SSW
8
0.2
SSW
18
0.2
SSW
18
0.3
SW
18
1.2
WNW
5
1.1
NW
5
1.3
WNW
5
2
WNW
6
2.5
WNW
7
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
3
WNW
8
3
NW
8
3
NW
8
3
NW
8
2.5
NW
7
2.4
NW
7
2.2
NW
7
2
NW
7
1.4
WNW
8
1.2
WNW
7
Wave Graph
Metric surfscale
Energy kJ
28
27
32
31
49
72
62
95
329
726
912
958
866
866
1040
915
844
839
735
606
453
357
215
156
Wind (km/h)
0
WSW
5
NNW
25
NW
25
NW
25
NW
25
WNW
25
WNW
35
WNW
45
WNW
45
WNW
45
NW
45
NW
40
WNW
40
NW
45
NW
45
NW
45
NNW
40
NNW
40
NW
35
NNW
35
NNW
35
NNW
30
N
30
N
glassy
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
High Tide
1:41AM4.58m
2:18PM4.56m
2:40AM4.93m
3:11PM4.98m
3:31AM5.34m
3:59PM5.42m
Low Tide
8:12AM1.47m
8:34PM1.47m
9:07AM1.10m
9:28PM1.09m
9:56AM0.73m
10:18PM0.70m
part cloud
cloud
cloud
clear
part cloud
clear
clear
clear
cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:37
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:57
8:58
9:00
9:00
1
1
1
1
Temp °C
11
11
11
11
12
12
11
10
10
10
10
11
11
11
10
10
10
10
9
8
9
9
10
10
10
9
6
6
6
6
5
3
1
1
0
1
2
2
0
0
0
1
0
0
1
1
3
3
Swell 1
Height (m)
Direction
Period (s)
0.4
SSW
8
0.4
SSW
8
0.4
SSW
8
0.4
SSW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.3
SSW
8
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
15
0.3
SW
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
15
1.4
WNW
8
1.2
WNW
7
Energy kJ
28
27
26
26
17
17
17
16
12
42
41
40
40
40
40
40
38
34
33
21
21
21
215
156
Swell 2
Height (m)
Direction
Period (s)
0.4
N
6
0.4
N
6
0.3
N
5
0.2
SSW
18
0.3
SW
18
0.3
SW
18
0.3
SW
18
0.2
SSW
18
0.2
SSW
17
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
S
7
0.1
S
7
0.1
S
7
0.1
S
7
0.2
SSW
14
0.2
SSW
14
Energy kJ
9
9
5
31
49
49
49
30
29
6
6
6
2
2
2
1
1
1
1
21
21
Swell 3
Height (m)
Direction
Period (s)
0.4
WNW
4
0.4
WNW
4
0.2
SSW
18
0.1
NW
12
0.2
WNW
12
0.2
WNW
13
0.2
WNW
12
0.2
SSW
18
0.1
S
11
0.1
S
11
Energy kJ
7
6
32
6
15
16
15
30
2
2
Wind waves
Height (m)
Direction
Period (s)
0.4
WNW
4
0.4
WNW
4
0.7
NW
4
1
NW
5
1.2
WNW
5
1.1
NW
5
1.3
WNW
5
2
WNW
6
2.5
WNW
7
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
3
WNW
8
3
NW
8
3
NW
8
3
NW
8
2.5
NW
7
2.4
NW
7
2.2
NW
7
2
NW
7
1.2
N
6
1
N
6
Energy kJ
7
6
19
43
72
62
95
329
726
912
958
866
866
1040
915
844
839
735
606
453
357
112
71
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
1
1
1
2
1
1
Distance (km)
15
15
524
522
569
596
567
544
568
548
735
945
951
1142
318
318
121
121
270
270
410
281
100
172
Best forecast wave conditions in North Cornwall
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
1
1
1
3
4
4
4
1
2
2
4
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
9
5
9
8
8
9
9
9
9
9
7
6
7
6
8
9
9
5
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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