Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 12 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
17.5°C
2.1° 

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


How big are the waves at Harlech today (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 4.5ft (1.4m), 6s period with W swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.4m), 6s period with W swell.
  • Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.3m), 6s period with W swell.

The current surf forecast for Harlech at 7PM is: 1.3m 6s primary swell from a West direction (forecast issued at 12:00pm September 17). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Sep)4.5ft (1.4m)6s
Afternoon (17 Sep)4.5ft (1.4m)6s
Evening (17 Sep)4.5ft (1.3m)6s

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


Short Range Forecast

Moderate rain (total 19mm), heaviest on Fri afternoon. Very mild (max 17°C on Fri night, min 12°C on Sat night). Winds decreasing (strong winds from the SW on Fri afternoon, light winds from the WNW 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)
1.3
W
6
1.3
W
6
1.4
W
6
1.3
W
6
1.3
W
6
1.2
W
6
1.1
W
6
1
W
5
0.9
WSW
5
1.4
SW
6
1.9
SW
7
2
WSW
7
1.9
WSW
7
1.8
SW
7
2
WSW
8
2
WSW
8
1.7
WSW
7
1.3
WSW
7
1.2
WSW
7
1.1
WSW
7
0.9
WSW
7
Wave Graph
Metric surfscale
Energy kJ
118
101
123
108
104
89
72
53
42
123
314
418
382
349
441
476
310
177
157
131
84
Wind (km/h)
30
W
30
W
30
W
25
W
30
WNW
25
W
25
W
20
WSW
25
SW
40
SW
40
SW
35
SW
35
SW
35
SW
35
SW
35
WSW
30
WSW
30
W
25
WSW
25
W
20
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
on
on
cross-on
on
on
High Tide
12:25PM3.54m
00:47AM3.29m
1:05PM3.19m
1:34AM2.90m
2:01PM2.86m
Low Tide
6:56PM1.20m
7:10AM1.45m
7:50PM1.49m
8:13AM1.69m
9:19PM1.69m
clear
rain showers
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
cloud
mod rain
mod rain
light rain
cloud
light rain
rain showers
rain showers
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:54
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:28
7:25
7:22
 mm
1
7
7
1
1
1
1
Temp °C
14
15
15
15
14
13
13
13
14
15
14
16
16
16
16
17
17
16
17
16
15
Feels °C
9
9
9
10
8
8
8
9
9
8
7
11
11
11
11
13
13
11
12
12
11
  • 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 Harlech 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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