St Agnes Surf Break

Lat Long: 50.32° N 5.23° W

St Agnes Surf Forecast and Surf Report

Issued: 12 pm 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's St Agnes sea temperature is
18.1° C
2.1° 

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


St Agnes surf forecast from 13 Jul 2026:

  • Best quality surf: Friday 17 Jul, 7AM (local time) - 2.5ft (0.8m), 5s period, N swell with offshore winds.
  • Most powerful swell: Friday 17 Jul, 10AM (local time) - 3ft (0.9m), 5s period, N swell with 43 kJ wave energy.
  • Next surfable swell (1★+): Friday 17 Jul, 7AM (local time) - 2.5ft (0.8m), 5s period with N swell.

Best Forecast Surf Conditions for St Agnes this week:

The surf forecast for St Agnes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 17) at 7AM. The primary swell is predicted to be 0.8m and 5s period with a secondary swell of 0.4m and 6s. Another secondary swell of 0.3m and 8s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at St Agnes in the next 16 days are 0.9m 5s and forecast to arrive on Friday (Jul 17) at 10AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 7s period and expected on Tuesday (Jul 14) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Fri 17th Jul)2.5ft (0.8m) 5s
Best Surf 7AM (Fri 17th Jul)2.5ft (0.8m) 5s
Most Powerful10AM (Fri 17th Jul)3ft (0.9m) 5s

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


The Lowdown

Alright, let’s have a look at what’s coming up for St Agnes. Honestly, the next week and a half is pretty grim. We’ve got a real flat spell on our hands with hardly any swell to speak of, and the wind’s mostly rubbish. The good news is there’s a glimmer of hope right at the tail end of the forecast.

The water temperature is sitting at 65°, which is about 4° warmer than usual for this time of year. That’s a good few degrees above average, so you’ll be surfing in a bit of a warm patch.

For the first week, from Monday 13th July right through to Wednesday 22nd July, it’s a total write-off. Swell heights are tiny, mostly between 0.7ft and 2ft, with periods all over the place but nothing that’ll give you a proper wave. The wind is cross or onshore for most of it, with a couple of glassy moments on the Friday 17th morning and Saturday 18th morning, but the swell is just too small. The combined energy is weak, mostly under 100 (e.g., 111 on Monday 13th morning, dropping to 13 on Saturday 18th morning). That’s a long, boring stretch with no real surf to get excited about.

Then from Thursday 23rd to Saturday 25th July, we start to see the swell tick up a bit. Thursday 23rd morning has 2ft at 9 seconds from the west, with a combined energy of 86, but the wind is howling from the NW at 15 mph, onshore, making it lumpy. Saturday 25th afternoon is the first time we see a real jump: 5ft of west swell at 11 seconds. That’s a moderate energy (637) and the period is decent, but the wind is cross-shore from the west at 12 mph, so it’s going to be choppy. The file says “poor surf conditions” for that one, so it’s a bit of a tease.

Now, the standout window is the morning of Sunday 26th July. This is the best we’ve got in the whole 16 days. We’ve got a clean 5ft swell from the west, with a 10-second period. The wind is light and cross-offshore from the SW at 9 mph, which means clean, workable waves. The combined energy is up at 354, so there’s proper power behind it. This is a moderate swell, fine for intermediates, but at 5ft it’s still manageable. It’s a long wait, but that Sunday morning is the one to pencil in.

After that, Monday 27th and Tuesday 28th July look a bit messy again with cross-onshore wind and lumpy conditions, though the swell hangs around 4ft to 5ft. The period drops to 7-8 seconds, so it’s not as good as the Sunday.

Overall, if you’re desperate for a paddle, the morning of Sunday 26th July is your only real shot at something decent. The rest of the run is a tough one for St Agnes.

Rusty

Short Range Forecast

Some drizzle, heaviest during Wed afternoon. Warm (max 25°C on Mon afternoon, min 16°C on Mon night). Winds decreasing (fresh winds from the ENE on Mon morning, light winds from the ENE by Tue night).

Days 4-6 Weather Summary

Some drizzle, heaviest during Thu night. Warm (max 24°C on Thu morning, min 16°C on Sat night). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
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
1
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)
1
NNE
6
0.2
SSW
19
0.3
W
12
0.3
W
11
0.4
W
11
0.4
W
10
0.4
W
9
0.3
W
9
0.3
W
9
0.2
SSW
14
0.4
SW
7
0.7
N
5
0.9
N
5
0.7
NNW
5
0.3
W
8
0.3
W
8
0.3
W
8
0.3
W
8
0.3
W
7
0.1
SW
19
0.3
W
8
Wave Graph
Metric surfscale
Energy kJ
66
37
26
21
37
31
27
14
15
21
14
21
43
24
12
12
11
10
9
15
15
Wind (km/h)
30
ENE
20
ENE
15
E
15
ENE
10
E
5
ENE
10
E
5
NNW
10
ENE
15
ENE
20
N
10
N
5
SE
20
NW
15
NNW
5
NE
20
N
20
N
20
N
15
N
15
N
Wind State
cross
cross
cross-off
cross
cross-off
cross
cross-off
on
cross
cross
cross-on
on
glassy
on
on
glassy
on
on
cross-on
cross-on
cross-on
High Tide
5:04PM6.09m
5:32AM6.09m
5:56PM6.43m
6:23AM6.30m
6:46PM6.67m
7:11AM6.39m
7:33PM6.74m
7:57AM6.34m
8:18PM6.65m
8:42AM6.17m
9:02PM6.40m
9:26AM5.89m
9:47PM6.02m
Low Tide
11:03AM0.75m
11:34PM0.50m
11:57AM0.46m
00:27AM0.21m
12:47PM0.24m
1:17AM0.04m
1:34PM0.15m
2:03AM0.03m
2:18PM0.21m
2:48AM0.18m
3:02PM0.40m
3:31AM0.46m
3:45PM0.71m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
cloud
part cloud
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:24
5:26
5:26
5:28
5:28
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:28
9:27
9:25
9:24
9:23
9:22
9:22
 mm
1
1
Temp °C
24
25
24
23
24
22
24
25
23
24
24
20
23
23
19
24
23
18
18
22
20
Feels °C
20
22
23
21
22
22
23
25
22
22
20
18
22
21
18
22
19
14
16
19
18
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  • 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 St Agnes Surf forecast

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

St Agnes is 13 km (8 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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