Constantine Bay surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 12 pm Monday 18 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Constantine Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Constantine Bay sea temperature is
12.4° C
(Which is slightly warmer than usual)

How big are the waves at Constantine Bay today?

The current surf forecast for Constantine Bay at 7PM is: 1.6m 11s primary swell from a West direction (forecast issued at 12:00pm May 18). The wind direction is predicted to be cross-shore.

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

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Mon afternoon. Very mild (max 15°C on Wed afternoon, min 10°C on Mon morning). Winds decreasing (strong winds from the SW on Tue night, light winds from the SSE by Wed night).

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
4 AM
7 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
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)
2
W
11
1.9
W
11
1.7
W
11
1.6
W
11
1
W
11
1.8
SW
7
1.9
WSW
8
1.9
WSW
8
2.1
WSW
8
2.2
WSW
8
2.4
WSW
9
2.5
WSW
9
3
WSW
9
3
WSW
10
3.5
W
14
3.5
W
14
3.5
W
14
3
W
13
3
W
13
2.5
W
13
2.3
W
12
2.1
W
12
1.9
W
12
1.8
W
12
Wave Graph
Metric surfscale
Energy kJ
976
828
649
584
229
327
458
500
612
681
880
1070
1316
1745
5525
4985
4192
3075
2598
2043
1547
1236
997
865
Wind (km/h)
25
SSW
30
SSW
30
SSW
30
S
35
S
35
S
30
SW
35
SSW
35
SW
40
SW
45
SW
40
SW
40
SW
45
SW
40
WSW
30
SW
30
SW
30
SW
25
SW
20
SW
20
S
25
S
20
S
20
SSE
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
High Tide
7:16PM6.98m
7:41AM6.76m
8:03PM6.82m
8:31AM6.44m
8:54PM6.52m
Low Tide
1:10PM0.11m
1:36AM0.07m
1:57PM0.30m
2:27AM0.29m
2:48PM0.61m
3:21AM0.63m
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
rain showers
cloud
rain showers
clear
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
clear
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:26
5:26
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:05
9:06
9:07
9:08
1
1
1
3
2
3
1
1
1
3
Temp °C
10
11
11
11
11
13
13
13
13
13
13
13
13
13
13
13
13
14
15
15
14
14
14
14
4
5
5
5
4
7
7
6
6
5
5
5
5
5
6
8
8
9
11
12
11
10
11
10
Swell 1
Height (m)
Direction
Period (s)
2
W
11
1.9
W
11
1.7
W
11
1.6
W
11
1
W
11
0.6
WNW
10
0.3
WNW
10
0.1
W
15
0.1
W
15
0.2
W
15
0.1
W
15
0.3
W
18
0.7
W
17
1.3
W
16
3.5
W
14
3.5
W
14
3
W
13
3
W
13
2.5
W
13
2.3
W
12
2.1
W
12
1.9
W
12
1.8
W
12
Energy kJ
976
828
649
584
229
74
20
4
4
17
4
55
273
836
4985
4192
3075
2598
2043
1547
1236
997
865
Swell 2
Height (m)
Direction
Period (s)
0.1
W
19
0.1
W
19
0.1
W
19
0.1
W
19
0.1
W
18
0.1
W
18
0.2
W
13
0.3
WNW
13
Energy kJ
7
7
7
7
6
7
14
35
Swell 3
Height (m)
Direction
Period (s)
0.1
W
16
Energy kJ
5
Wind waves
Height (m)
Direction
Period (s)
1.2
SW
6
1.8
SW
7
1.9
WSW
8
1.9
WSW
8
2.1
WSW
8
2.2
WSW
8
2.4
WSW
9
2.5
WSW
9
3
WSW
9
3
WSW
10
3.5
W
14
Energy kJ
112
327
458
500
612
681
880
1070
1316
1745
5525
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
1
1
1
1
1
3
1
1
4
4
4
4
3
4
3
3
3
2
Distance (km)
13
222
222
222
265
402
402
481
496
485
485
505
383
383
227
227
227
305
284
1
11
11
11
11
Best forecast wave conditions in North Cornwall
Rating
(10 max)
2
4
3
3
3
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
2
2
2
2
2
2
1
1
2
2
3
2
1
2
2
2
4
3
3
3
3
Header Global
Rating
(10 max)
4
4
4
5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
5
5
5
4
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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Constantine Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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