Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 6 pm 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
16.7°C
1.8° 

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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 4.5ft (1.3m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 5ft (1.5m), 11s period with SW swell.
  • Evening surf: Evening surf (30 Sep, local time) - 4ft (1.2m), 11s period with SW swell.

The current surf forecast for Harlech at 3AM is: 1.6m 10s primary swell from a Southwest direction and 0.8m 9s secondary swell from a Southwest direction (forecast issued at 06:00pm September 29). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (30 Sep)4.5ft (1.3m)11s
Afternoon (30 Sep)5ft (1.5m)11s
Evening (30 Sep)4ft (1.2m)11s

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


Short Range Forecast

Heavy rain (total 30mm), heaviest during Tue night. Warm (max 23°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the SE on Tue afternoon, light winds from the SSW by Wed night).

Tue
29
Wednesday
30
Thursday
1
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
1
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
SW
6
0.1
W
8
0.3
SW
8
0.8
SW
9
1.6
SW
10
1.3
SW
11
1.3
SW
11
1.6
SW
11
1.6
SW
11
1.5
SW
11
1.2
SW
11
1
WSW
11
1.1
SW
11
1.1
SW
11
0.9
WSW
11
0.9
WSW
11
0.9
WSW
10
1
SW
10
0.9
SW
5
Wave Graph
Metric surfscale
Energy kJ
2
1
10
125
570
389
429
568
553
505
341
242
268
268
167
200
192
200
47
Wind (km/h)
45
SE
35
SE
30
SSE
35
SSE
20
WSW
20
SSE
30
S
35
S
30
S
25
S
25
SSW
15
SSW
15
SSW
15
SSW
15
SW
20
SW
20
SW
25
SSW
20
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
High Tide
10:36PM4.67m
10:56AM4.46m
11:18PM4.43m
11:38AM4.24m
Low Tide
5:05PM0.35m
5:29AM0.44m
5:41PM0.52m
6:06AM0.72m
6:26PM0.76m
cloud
cloud
cloud
light rain
mod rain
rain showers
clear
clear
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:13
—
—
—
—
—
—
—
7:16
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
—
—
—
—
—
—
—
6:57
—
—
—
—
—
—
—
6:53
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 mm
—
—
—
2
6
3
—
—
1
1
1
1
1
1
2
1
—
—
—
Temp °C
23
21
20
19
15
14
16
16
16
15
13
13
13
12
14
15
15
14
13
Feels °C
17
16
16
14
12
11
11
10
10
11
9
10
10
9
11
12
11
10
9
  • 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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