Gwithian Surf Break

Lat Long: 50.22° N 5.40° W

Gwithian 48 hour detailed Surf Forecast

Issued: 12 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Gwithian sea temperature is
17.2° C
1.0° 

Gwithian surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Gwithian today (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 2.5ft (0.8m), 4s period with N swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.1m), 5s period with N swell.
  • Evening surf: Evening surf (18 Jul, local time) - 4.5ft (1.3m), 6s period with N swell.

The current surf forecast for Gwithian at 4AM is: 0.3m 9s primary swell from a West direction and 0.1m 5s secondary swell from a Southwest direction, 0.5m 4s secondary swell from a North direction (forecast issued at 12:00am July 18). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Jul)2.5ft (0.8m)4s
Afternoon (18 Jul)3.5ft (1.1m)5s
Evening (18 Jul)4.5ft (1.3m)6s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri night, min 15°C on Sat night). Mainly fresh winds.

Saturday
18
Sunday
19
Monday
20
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
4 PM
7 PM
10 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 Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
W
8
0.3
W
9
0.7
N
4
0.9
N
5
0.9
N
5
1.1
N
5
1.3
N
6
1.3
N
6
1.1
N
6
1
N
6
0.9
N
6
0.8
N
6
0.6
N
6
0.5
N
5
0.6
N
5
0.6
N
4
0.7
N
4
0.7
N
4
0.7
N
5
0.8
N
5
0.9
N
5
1
N
5
1.2
N
5
1
N
6
Wave Graph
Metric surfscale
Energy kJ
12
13
16
34
40
62
105
105
75
64
60
46
22
14
18
12
18
19
20
29
43
52
80
62
Wind (km/h)
15
N
15
N
25
N
25
N
25
N
30
N
30
N
25
N
20
N
15
NE
25
E
25
E
15
NE
20
NNE
20
N
15
N
20
N
15
NNE
15
NNE
20
NNE
20
N
25
N
25
N
20
N
Wind State
cross-on
cross-on
cross
cross
cross-on
cross-on
cross
cross
cross
cross-off
off
off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
8:45AM6.02m
9:06PM6.25m
9:29AM5.75m
9:50PM5.88m
10:13AM5.41m
Low Tide
2:50AM0.18m
3:04PM0.39m
3:34AM0.46m
3:48PM0.69m
4:16AM0.82m
4:31PM1.06m
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:31
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:22
9:21
 mm
Temp °C
18
17
16
17
17
16
16
16
16
15
16
18
19
19
18
17
16
16
16
18
18
17
17
16
Feels °C
17
15
12
13
13
11
11
12
13
12
12
14
16
15
14
14
13
14
14
15
14
13
13
13
  • 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
How to use the Wavefinder 

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