Gwithian Surf Break

Lat Long: 50.22° N 5.40° W

Gwithian 48 hour detailed Surf Forecast

Issued: 6 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Gwithian sea temperature is
17.8° C
0.8° 

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 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 5ft (1.5m), 6s period with W swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.4m), 6s period with WNW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.3m), 7s period with W swell.

The current surf forecast for Gwithian at 12PM is: 1.4m 6s primary swell from a West-northwest direction and 0.2m 17s secondary swell from a South-southwest direction (forecast issued at 06:00am August 18). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Aug)5ft (1.5m)6s
Afternoon (18 Aug)4.5ft (1.4m)6s
Evening (18 Aug)4.5ft (1.3m)7s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Tue night. Very mild (max 19°C on Tue morning, min 14°C on Thu night). Mainly fresh winds.

Tuesday
18
Wednesday
19
Thursday
20
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
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)
1.4
W
6
1.5
W
6
1.5
W
6
1.4
WNW
6
1.4
WNW
6
1.3
W
7
1.3
WNW
7
1.3
WNW
7
1.3
WNW
7
1.3
WNW
9
1.3
WNW
9
1.3
W
9
1.4
WNW
9
1.6
W
6
1.9
W
7
2
W
8
2.1
W
8
2.1
W
9
2.1
W
9
2
W
9
1.9
WNW
9
1.7
WNW
9
1.5
W
9
Wave Graph
Metric surfscale
Energy kJ
156
188
188
165
165
148
157
161
171
276
295
300
355
206
366
496
603
694
710
690
653
528
397
Wind (km/h)
25
WSW
25
W
25
WNW
25
WNW
25
WNW
25
W
20
WNW
15
W
20
WSW
15
WNW
20
WNW
30
W
30
W
30
W
30
W
30
W
30
W
30
WNW
30
WNW
30
WNW
25
NW
20
NNW
10
NNW
Wind State
cross-on
cross-on
on
on
on
on
on
on
cross-on
on
on
on
on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
High Tide
9:32AM5.59m
9:51PM5.46m
10:11AM5.16m
10:33PM4.95m
10:55AM4.73m
Low Tide
3:32AM0.76m
3:47PM0.96m
4:08AM1.21m
4:26PM1.41m
4:48AM1.66m
5:13PM1.84m
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
rain showers
clear
clear
part cloud
part cloud
part cloud
clear
rain showers
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:15
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:35
8:32
8:30
 mm
2
1
1
Temp °C
19
19
19
19
18
18
17
17
16
17
18
19
18
18
17
17
16
17
18
18
18
17
16
Feels °C
17
17
16
16
15
15
14
15
13
15
16
14
12
13
12
12
11
12
13
13
14
14
14
  • 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 

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 Gwithian 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.


Nearest locationNearest