Gwithian Surf Break

Lat Long: 50.22° N 5.40° W

Gwithian 48 hour detailed Surf Forecast

Issued: 12 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Gwithian sea temperature is
17.3°C
1.4° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 8ft (2.4m), 8s period with WNW swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 7.5ft (2.3m), 9s period with WNW swell.
  • Evening surf: Evening surf (17 Sep, local time) - 8ft (2.4m), 10s period with WNW swell.

The current surf forecast for Gwithian at 7PM is: 2.3m 10s primary swell from a West-northwest direction (forecast issued at 12:00pm September 17). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Sep)8ft (2.4m)8s
Afternoon (17 Sep)7.5ft (2.3m)9s
Evening (17 Sep)8ft (2.4m)10s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Fri night, min 15°C on Thu night). Winds decreasing (fresh winds from the SW on Fri night, calm by Sat night).

Thu
17
Friday
18
Saturday
19
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
WNW
8
2.3
WNW
8
2.3
WNW
9
2.3
WNW
10
2.4
WNW
10
2.3
WNW
11
2.2
WNW
13
2.1
WNW
13
2
WNW
13
1.9
W
13
1.9
W
12
1.8
W
7
2
W
8
2.1
W
8
2.1
W
8
2
W
8
2
W
8
2.3
W
11
2.3
W
11
2.2
W
11
2
W
11
Wave Graph
Metric surfscale
Energy kJ
730
704
808
940
1111
1219
1581
1467
1279
1191
1074
315
458
545
541
494
501
1210
1212
1128
917
Wind (km/h)
30
WNW
30
WNW
30
WNW
30
WNW
30
WNW
25
WNW
25
WNW
25
WNW
25
WSW
30
WSW
30
SW
30
WSW
30
SW
35
SW
30
WSW
30
WSW
30
WSW
30
WSW
25
WSW
20
W
15
W
Wind State
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:28AM5.22m
9:49PM4.90m
10:08AM4.76m
10:34PM4.42m
11:03AM4.32m
Low Tide
3:42PM1.40m
3:59AM1.68m
4:26PM1.85m
4:48AM2.11m
5:31PM2.25m
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
7:00
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:31
7:29
7:27
 mm
Temp °C
16
16
16
16
15
16
15
15
16
16
16
16
17
18
17
17
17
17
17
17
17
Feels °C
11
10
9
10
9
11
10
11
12
11
10
11
13
14
13
14
13
13
14
15
16
  • 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.


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