Harlyn Surf Break

Lat Long: 50.54° N 5.00° W

Harlyn Surf Forecast and Surf Report

Issued: 12 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Harlyn sea temperature is
18.6°C
2.0° 

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


Harlyn surf forecast from 29 Aug 2026:

  • Best quality surf: Sunday 30 Aug, 7AM (local time) - 5ft (1.6m), 9s period, W swell with offshore winds.
  • Most powerful swell: Monday 31 Aug, 1AM (local time) - 10ft (3.0m), 9s period, W swell with 1,528 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 7AM (local time) - 5ft (1.6m), 9s period with W swell.

Best Forecast Surf Conditions for Harlyn this week:

The surf forecast for Harlyn over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 7AM. The primary swell is predicted to be 1.6m and 9s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Harlyn in the next 16 days are 3.0m 9s and forecast to arrive on Monday (Aug 31) at 1AM. 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 5s period and expected on Wednesday (Sep 02) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Sun 30th Aug)5ft (1.6m) 9s
Best Surf 7AM (Sun 30th Aug)5ft (1.6m) 9s
Most Powerful 1AM (Mon 31st Aug)10ft (3.0m) 9s

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


The Lowdown

Alright, Rusty here, let’s have a look at what Harlyn’s got cooking.

To be straight with you, this outlook is a tough one. We’re looking at a 16-day window, and it’s not pretty. For the vast majority of that time, the conditions are just plain ordinary – not the kind of stuff that gets you out of bed. The first real light at the end of the tunnel doesn’t show up until Saturday, September 5th, and even then it’s just a glimmer.

The water temp is sitting at 66°F, which is a touch warmer than normal for this time of year, so at least you won’t be freezing while you’re waiting for a wave.

Let’s walk through it. From Friday, August 28th all the way through to Friday, September 4th, it’s a write-off. We’ve got strong winds, messy cross-shore chop, and the odd bit of rain and thunderstorms. The swell is there sometimes – like a 8ft cross-shore mess on Saturday afternoon the 29th – but the wind just ruins it. You’d be fighting a losing battle. The combined swell energy on that afternoon reads a hefty 1039, but with a "Near gale" cross-shore wind, it’s just a washing machine.

There is one period that catches my eye. On Monday, September 7th in the afternoon, we see a 10ft swell out of the southwest. The combined energy is a meaty 1070, and the wind is a moderate cross-shore. The file says “marginal” conditions, but that’s the biggest clean-ish looking pulse in the whole run. It’s not perfect – moderate cross-shore wind does create some chop – but if you’re a confident surfer, that’s your best shot. Anything over 8ft like this is for experts only, so leave the beginners on the sand.

Tuesday, September 8th then throws a massive 15ft swell at us with a 11-second period and combined energy over 4000. That’s a serious amount of water, but the wind is howling from the WNW at 22 mph, making it cross-on and lumpy. That’s not surfable in any pleasant way; that’s a survival session or a day for the kite crew. The setup at Harlyn is sheltered, so that much size might just close out or be too dangerous.

After that, the energy drops right off. We see some clean, offshore winds on September 10th and 11th, but the swell is tiny – 0.3ft to 6ft – and the wind is howling 28-31 mph offshore. That’s so strong it’s hard to even paddle out, let alone catch a wave. The 6ft swell on Friday morning the 11th with fresh offshore wind is about as clean as it gets, but those winds are fierce.

In a nutshell? If you’re desperate, aim for Monday afternoon, September 7th for the biggest, most powerful wave, but expect a wrestling match. For the cleanest but smaller option, Friday morning, September 11th is your best bet, but it’s a battle against the wind. The rest of the window is a gap of mediocrity. It’s grim, but it won’t stay like this forever.

Rusty.

Short Range Forecast

Heavy rain (total 38mm), heaviest during Fri night. Very mild (max 19°C on Fri night, min 16°C on Mon morning). Winds decreasing (strong winds from the WNW on Sat afternoon, light winds from the W by Mon afternoon).

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Tue night. Warm (max 20°C on Wed morning, min 16°C on Mon night). Winds increasing (light winds from the WSW on Mon night, fresh winds from the WSW by Wed night).

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
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
1
0
0
0
0
0
1
0
0
1
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)
1.6
SW
7
2.5
WSW
9
2.1
W
9
1.7
WSW
9
2.1
WSW
8
3
W
9
2.5
W
9
2.2
W
10
1.4
W
9
1.2
W
9
1.2
W
8
0.9
W
7
0.1
SW
16
2.2
WSW
7
2.1
W
8
1.9
W
8
1.8
W
8
1.7
W
8
1.4
W
9
1.6
WSW
6
2.4
W
9
Wave Graph
Metric surfscale
Energy kJ
260
1122
699
427
574
1528
1263
891
340
224
204
69
10
512
572
454
408
383
299
188
856
Wind (km/h)
25
SW
45
WNW
25
WSW
30
SSW
35
SW
35
W
30
WNW
20
WNW
15
SSW
20
SW
25
WSW
15
SSW
25
S
35
SW
35
W
30
W
30
WNW
30
W
20
SW
25
WNW
25
WNW
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
cross
cross
cross
cross-off
cross
cross-on
High Tide
6:49AM6.44m
7:04PM6.77m
7:21AM6.61m
7:37PM6.86m
7:54AM6.65m
8:11PM6.80m
8:29AM6.56m
8:48PM6.59m
9:07AM6.32m
9:28PM6.23m
9:50AM5.96m
10:16PM5.77m
10:43AM5.52m
11:16PM5.27m
Low Tide
1:01PM0.36m
1:21AM0.24m
1:33PM0.25m
1:53AM0.21m
2:05PM0.27m
2:26AM0.31m
2:40PM0.43m
3:01AM0.55m
3:18PM0.71m
3:40AM0.92m
4:02PM1.10m
4:29AM1.37m
5:00PM1.54m
mod rain
rain showers
clear
rain showers
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
light rain
rain showers
rain showers
rain showers
clear
part cloud
light rain
light rain
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
6:31
6:33
6:33
6:35
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:12
8:09
8:07
8:06
8:04
8:00
7:59
 mm
7
1
10
2
3
1
1
1
1
2
4
Temp °C
18
17
17
18
18
17
16
16
17
17
18
17
20
19
19
18
17
17
16
17
17
Feels °C
15
10
13
13
12
9
10
12
15
14
14
16
16
15
14
13
12
12
14
13
12
  • 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 Harlyn Surf forecast

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

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

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