Gwithian surf break

Gwithian surfForecast / Cornwall (North) / UK

information circle12 Day Weather and Surf, issued 5 pm Sunday 14 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Gwithian surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gwithian sea temperature is
12.2° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Gwithian this week:

The surf forecast for Gwithian over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 15) at 6AM. The primary swell is predicted to be 4.0m and 13s period with a secondary swell of 4.0m and 13s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Gwithian in the next 12 days are 6.0m 21s and forecast to arrive on Thursday (Dec 18) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Monday (Dec 15) at 9AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Mon 15th Dec)13ft (4.0m) 13s
Best Surf 6AM (Mon 15th Dec)13ft (4.0m) 13s
Most Powerful 9AM (Thu 18th Dec)20ft (6.0m) 21s

Table - best surf conditions forecast for Gwithian over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 45mm), heaviest during Sun night. Very mild (max 12°C on Sun afternoon, min 8°C on Tue night). Winds decreasing (strong winds from the SSW on Sun night, calm by Tue night).

Days 3-6 Weather Summary Heavy rain (total 30mm), heaviest during Wed night. Very mild (max 12°C on Thu morning, min 9°C on Thu night). Winds decreasing (gales from the S on Thu morning, moderate winds from the WSW by Fri morning).

Sun
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
1
2
0
0
1
3
1
0
0
!
!
0
0
0
1
0
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
3.5
W
3.5
W
3
W
3
W
3
W
3
W
2.5
W
2.5
W
2.4
W
2.4
W
3
W
6
W
5
W
4
W
4
WNW
3.5
W
3
W
1.8
W
3.5
WSW
3
W
3
W
Period(s) (?)131313141515141413131221191816161413121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)377537273264320133443681302926702001188324183168319556106278748601736631138354626272587
Wind
(km/h)
45
SSW
45
SSW
25
SSW
15
N
30
N
25
NNW
20
NNW
10
SW
30
SSW
40
SSW
35
SSW
60
S
30
WSW
40
WNW
25
WSW
25
WSW
30
SSW
45
SSW
30
WNW
15
WNW
20
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
off
cross-
on
oncross-
on
cross-
on
crosscrossononon
High Tide
/ height (m)
1:31AM
4.63
1:55PM
4.76
2:24AM
4.80
2:45PM
4.89
3:10AM
5.01
3:30PM
5.06
3:51AM
5.22
4:10PM
5.23
4:30AM
5.42
4:49PM
5.37
5:07AM
5.57
5:25PM
5.47
5:43AM
5.68
Low Tide
/ height (m)
7:26PM
1.73
7:51AM
1.79
8:19PM
1.64
8:44AM
1.64
9:06PM
1.50
9:30AM
1.44
9:49PM
1.33
10:11AM
1.24
10:28PM
1.16
10:50AM
1.07
11:05PM
1.02
11:28AM
0.94
11:42PM
0.92
Sun
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise--8:12--8:14--8:15--8:15--8:15--8:17--8:18
Sunset4:17--4:17--4:17--4:19--4:19--4:19--4:20--
cloud
heavy rain
heavy rain
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
heavy rain
mod rain
light rain
part cloud
clear
clear
rain showers
light rain
light rain
part cloud
rain showers
Rain (mm)
-221544-----1792---114-2
Temp. °C1212111099991011111211109101011899
Feels °C (?)336723474241503442244
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Gwithian Surf forecast

The above surf forecast table for Gwithian provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Gwithian can be found by selecting the local surf guide option on the grey menu. Our Gwithian surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Gwithian) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Gwithian may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Gwithian is 6 km (4 miles) from Camborne. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Camborne. Camborne has rooms for a wide range of budgets as well as car hire and transport links.

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