Harlech surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 5 pm Tuesday 18 Nov 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Harlech surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harlech sea temperature is
11.8° C
(Which is normal for this time of year)


How big are the waves at Harlech today?

The current surf forecast for Harlech at 9PM is: 1.6m 6s primary swell from a West-northwest direction and 0.1m 13s secondary swell from a West direction (forecast issued at 05:00pm November 18). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (18 Nov)--
Afternoon (18 Nov)4ft (1.2m)5s
Evening (18 Nov)5ft (1.6m)6s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
WNW
1.4
WNW
1.6
WNW
1.5
NW
1.4
NW
0.1
SW
0.1
W
0.1
W
1.2
NNW
1.1
NW
1
NW
0.9
NW
0.9
NW
0.9
NW
0.8
NW
0.9
NW
1
NW
0.9
NW
0.7
NW
0.9
NW
0.8
NW
0.5
NW
0.4
WNW
0.1
W
Period(s) (?)5666766666776666666655415
Wave
Graph
(?)Metric surfscale
Energy kJ (?)81114173177011193085635858475061523046341064
Wind
(km/h)
35
WNW
30
WNW
35
NW
30
NNW
30
N
30
N
25
N
30
N
25
N
20
N
15
N
15
N
15
N
15
N
15
N
20
NNW
20
NNW
15
N
15
N
10
NNE
5
NNE
5
ENE
5
SE
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
glasscross-
off
cross
High Tide
/ height (m)
6:54PM
3.93
7:13AM
3.98
7:29PM
4.01
7:46AM
4.09
8:03PM
4.03
8:18AM
4.13
Low Tide
/ height (m)
1:35PM
0.76
1:51AM
0.66
2:07PM
0.68
2:20AM
0.67
2:39PM
0.65
2:50AM
0.71
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Sunrise------7:45-------7:47-------7:48-
Sunset4:17-------4:16-------4:15-------
light rain
rain showers
light rain
light rain
rain showers
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
Rain (mm)
121121------------------
Temp. °C998744455333333664443446
Feels °C (?)12-10-4-3-3-4-3-3-3-3-2-3-3-10-1-10-1112
  • 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

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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