Portreath Harbour Wall surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 6 pm Monday 18 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Portreath Harbour Wall surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portreath Harbour Wall sea temperature is
12.3° C
(Which is normal for this time of year)

How big are the waves at Portreath Harbour Wall today?

The current surf forecast for Portreath Harbour Wall at 11PM is: 0.9m 10s primary swell from a West-northwest direction (forecast issued at 06:00pm May 18). An open ocean swell of 2.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (18 May)--
Afternoon (18 May)5.5ft (1.7m)11s
Evening (18 May)3.5ft (1.0m)11s

Table - waves today at Portreath Harbour Wall. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 16°C on Thu morning, min 11°C on Mon afternoon). Winds decreasing (strong winds from the SW on Tue afternoon, light winds from the S by Wed night).

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
1
0
0
0
0
0
2
3
2
2
1
1
3
3
3
2
2
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)
1.6
W
11
1.3
WNW
11
0.9
WNW
11
0.7
WNW
9
2.3
SW
8
2.3
SW
8
2.5
SW
8
2.5
SW
8
3
WSW
8
3
WSW
9
3.5
WSW
9
3.5
WSW
16
4
W
14
4
W
14
3.5
W
14
3.5
W
13
3
W
13
2.5
W
13
2.4
W
12
2.3
WSW
12
2.1
WSW
12
2
WSW
12
1.9
WSW
11
1.8
WSW
11
Wave Graph
Metric surfscale
Energy kJ
595
400
198
92
684
724
865
900
1108
1437
1834
6571
6652
6112
5077
3890
3082
2431
1756
1413
1160
1018
813
692
Wind (km/h)
25
SSW
30
S
40
S
35
SSW
30
SW
30
SSW
30
SW
40
SW
40
SW
40
SW
40
WSW
35
WSW
25
WSW
25
WSW
30
WSW
30
SW
25
SW
20
SSW
20
S
20
S
20
S
15
S
20
S
20
S
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:06PM6.70m
7:31AM6.47m
7:53PM6.54m
8:20AM6.16m
8:44PM6.25m
9:13AM5.76m
Low Tide
1:04PM0.10m
1:31AM0.06m
1:52PM0.29m
2:21AM0.27m
2:42PM0.58m
3:16AM0.59m
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
rain showers
part cloud
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:05
9:06
9:07
9:08
1
4
1
1
1
Temp °C
11
11
12
13
13
13
13
14
13
13
13
12
12
13
14
15
15
14
13
13
13
13
15
16
6
5
5
7
8
8
7
7
5
6
6
6
8
9
9
10
11
11
10
10
10
10
11
13
Swell 1
Height (m)
Direction
Period (s)
1.6
W
11
1.3
WNW
11
0.9
WNW
11
0.7
WNW
9
0.4
WNW
10
0.1
W
15
0.2
W
15
0.2
W
15
0.1
SW
18
0.2
W
13
4
W
14
4
W
14
3.5
W
14
3.5
W
13
3
W
13
2.5
W
13
2.4
W
12
2.3
WSW
12
2.1
WSW
12
2
WSW
12
1.9
WSW
11
1.8
WSW
11
Energy kJ
595
400
198
92
39
4
17
17
12
14
6652
6112
5077
3890
3082
2431
1756
1413
1160
1018
813
692
Swell 2
Height (m)
Direction
Period (s)
0.1
S
20
0.1
S
19
0.1
W
16
0.1
SW
19
0.1
S
19
0.1
S
18
0.1
S
18
0.2
W
13
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
15
0.1
SW
15
Energy kJ
7
7
5
14
7
6
6
14
10
10
10
9
9
Swell 3
Height (m)
Direction
Period (s)
0.1
W
16
0.1
W
16
0.1
S
13
0.1
S
13
0.1
S
18
Energy kJ
5
5
3
3
6
Wind waves
Height (m)
Direction
Period (s)
0.8
SSW
5
1.5
SSW
5
2.1
SSW
6
2.3
SW
7
2.3
SW
8
2.3
SW
8
2.5
SW
8
2.5
SW
8
3
WSW
8
3
WSW
9
3.5
WSW
9
3.5
WSW
16
Energy kJ
28
120
346
509
684
724
865
900
1108
1437
1834
6571
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
2
1
1
1
1
1
2
2
4
5
5
5
4
4
4
3
3
3
3
2
3
Distance (km)
46
208
275
402
503
503
513
503
397
503
503
499
279
211
211
505
14
14
13
13
13
8
13
8
Best forecast wave conditions in North Cornwall
Rating
(10 max)
1
4
4
4
4
3
3
3
3
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
2
2
2
2
1
2
2
2
2
1
4
2
3
4
4
4
4
3
3
3
3
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
5
4
5
5
5
4
5
5
4
5
5
4
4
5
5
4
  • 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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