Caerhays Surf Break

Lat Long: 50.23° N 4.85° W

Caerhays Surf Forecast and Surf Report

Issued: 6 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Caerhays sea temperature is
18.9° C
1.9° 

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


Caerhays surf forecast from 19 Aug 2026:

  • Most powerful swell: Wednesday 26 Aug, 4AM (local time) - 4ft (1.2m), 9s period, W swell with 230 kJ wave energy.

Best Forecast Surf Conditions for Caerhays this week:

The most powerful waves expected at Caerhays in the next 16 days are 1.2m 9s and forecast to arrive on Wednesday (Aug 26) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Monday (Aug 24) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4AM (Wed 26th Aug)4ft (1.2m) 9s

Table - best surf conditions forecast for Caerhays over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let's have a look at what's on the cards for our local stretch.

Alright, I'm not gonna beat around the bush—it’s a pretty grim outlook for the next couple of weeks. We’ve got a long, quiet period ahead with barely a ripple worth talking about. The water is sitting at 66°, which is a touch warmer than normal for this time of year, so at least the paddle won't be a shock to the system.

We start off on Wednesday 19th August with nothing. Absolutely flat. That continues through Thursday and Friday, with tiny waves that won't even tickle your ankles. The swell energy is struggling to hit double digits (6 to 57), and the period is mostly short and weak. There's a bit of a tease on Saturday 22nd August with glassy conditions in the afternoon, but on a 0.7-foot swell, you'd be floating on your board for nothing.

Sunday 23rd August sees a slight bump in the afternoon with 3 feet from the ESE, but it's a short-period 5-second wind swell, and the energy is still very weak (79). The wind is light and cross-shore, so the surface is just okay, but there's no power in the waves.

It stays flat and weak through most of the following week. The energy is consistently low, staying under 100. There's a lot of cross-offshore wind, but it doesn't matter when there's no swell to ride.

The first real sign of life doesn't show up until Monday 31st August. We're looking at a 3-foot swell from the SW with a 10-second period, and the combined energy jumps to a moderate 227. The wind is a fresh cross-offshore from the NW, so it'll be clean. Still, it's a modest wave, and it's over a week away, so don't bank on it just yet.

We've got another gap of flatness until Thursday 3rd September. That afternoon, a 5-foot SE swell rolls in with a short 5-second period, but the energy is moderate at 146. The wind is a light cross-off from the WNW, so the surface should be clean. This is the biggest swell of the forecast, but it's still far out and the period is short. It's surfable, but very ordinary.

Honestly, for the next 16 days, there's no standout session. If you're desperate, keep an eye on the 31st August and 3rd September windows, but keep your expectations low. This is a real flat spell for Caerhays, and it's a rare spot that's inconsistent at the best of times.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 19°C on Wed morning, min 14°C on Thu night). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Mon afternoon. Very mild (max 19°C on Sun morning, min 15°C on Mon night). Winds increasing (calm on Sat afternoon, fresh winds from the E by Mon afternoon).

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
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
Wave
Height (m)
Direction
Period (s)
0.1
S
16
0.1
S
16
0.3
WSW
7
0.6
WSW
7
0.5
SW
10
0.4
SW
10
0.2
WSW
8
0.1
S
16
0.1
S
16
0.1
SW
15
0.2
SSW
15
0.2
SSW
15
0.4
ESE
5
0.8
ESE
5
0.4
ESE
5
0.7
ESE
6
0.1
S
13
0.1
S
13
0.4
ESE
6
0.1
S
13
0.8
S
5
Wave Graph
Metric surfscale
Energy kJ
5
5
10
37
49
26
6
7
5
8
21
21
11
37
10
33
4
3
14
3
31
Wind (km/h)
25
NW
30
WNW
25
W
30
WNW
30
NW
10
NNW
20
N
25
NNW
15
NNW
15
NNE
5
SE
15
NNE
10
ENE
5
ESE
15
NNE
30
ENE
35
E
15
NE
15
NNW
30
WNW
25
W
Wind State
cross-off
cross-off
cross
cross-off
cross-off
off
off
cross-off
off
off
glassy
off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross
High Tide
10:12AM3.94m
10:33PM3.82m
11:00AM3.66m
11:27PM3.50m
12:02PM3.41m
00:39AM3.25m
1:20PM3.27m
1:59AM3.17m
2:38PM3.31m
3:13AM3.26m
3:45PM3.50m
4:14AM3.47m
4:38PM3.78m
Low Tide
4:38PM0.92m
4:58AM1.09m
5:19PM1.29m
5:40AM1.45m
6:11PM1.62m
6:43AM1.73m
7:41PM1.82m
8:33AM1.81m
9:32PM1.71m
9:59AM1.59m
10:34PM1.40m
10:50AM1.26m
11:16PM1.04m
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
light rain
mod rain
mod rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:16
6:16
6:18
6:20
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:29
8:27
8:24
8:22
8:21
8:19
 mm
2
1
1
9
7
7
Temp °C
19
19
17
19
18
15
16
16
14
17
18
17
19
19
18
18
18
17
15
15
16
Feels °C
14
13
13
14
13
13
13
11
11
14
17
15
16
18
15
12
12
12
11
10
14
  • 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 Caerhays Surf forecast

The above surf forecast table for Caerhays provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Caerhays can be found by selecting the local surf guide option on the grey menu. Our Caerhays 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 (Caerhays) 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 Caerhays 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.

Caerhays is 13 km (8 miles) from Saint Austell. If you plan a holiday in South Cornwall, look for hotels and other accommodation in Saint Austell. Saint Austell has rooms for a wide range of budgets as well as car hire and transport links.

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