Aln Estuary Surf Break

Lat Long: 55.39° N 1.61° W

Aln Estuary 48 hour detailed Surf Forecast

Issued: 6 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aln Estuary sea temperature is
14.5° C
0.5° 

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


How big are the waves at Aln Estuary today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 0.5ft (0.2m), 7s period with N swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 0.5ft (0.2m), 7s period with N swell.
  • Evening surf: Evening surf (18 Aug, local time) - 1ft (0.3m), 8s period with N swell.

The current surf forecast for Aln Estuary at 3PM is: 0.2m 7s primary swell from a North direction and 0.1m 5s secondary swell from a Northeast direction (forecast issued at 06:00am August 18). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Aug)0.5ft (0.2m)7s
Afternoon (18 Aug)0.5ft (0.2m)7s
Evening (18 Aug)1ft (0.3m)8s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Wed afternoon. Very mild (max 19°C on Tue morning, min 11°C on Thu night). Winds increasing (calm on Wed afternoon, fresh winds from the N by Thu morning).

Tuesday
18
Wednesday
19
Thursday
20
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
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
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
N
8
0.2
N
8
0.2
N
7
0.2
N
7
0.3
N
7
0.3
N
7
0.3
N
8
0.4
NNE
8
0.4
NNE
8
0.5
N
8
0.5
NNE
8
0.6
NNE
8
0.6
NNE
7
0.6
NNE
7
0.6
NNE
7
0.6
NNE
7
1
NNE
8
1.5
NNE
5
1.6
NNE
8
1.6
NNE
8
1.9
NNE
7
1.9
NNE
8
1.7
NNE
8
Wave Graph
Metric surfscale
Energy kJ
5
4
4
4
9
10
12
22
21
31
33
44
43
43
43
43
127
0
266
324
373
406
357
Wind (km/h)
15
SW
20
W
30
W
30
W
30
WNW
25
W
25
W
20
W
20
WSW
20
W
15
W
5
SW
5
NNW
5
NNE
5
NNE
20
NNE
25
NNE
25
NNE
30
N
35
N
35
N
25
N
20
NNW
Wind State
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
glassy
cross-off
glassy
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:13AM4.17m
7:42PM3.72m
7:57AM3.81m
8:24PM3.44m
8:48AM3.45m
9:17PM3.18m
Low Tide
1:26PM0.65m
1:35AM0.98m
2:04PM1.04m
2:18AM1.24m
2:50PM1.40m
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
clear
clear
cloud
light rain
light rain
cloud
cloud
light rain
light rain
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:46
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:35
8:32
8:30
 mm
1
1
1
1
Temp °C
15
17
18
19
19
17
15
15
14
13
16
17
17
16
15
14
13
13
13
14
14
13
12
Feels °C
14
15
13
13
13
12
10
11
10
10
13
16
16
15
14
11
9
8
7
7
7
7
8
  • 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 Aln Estuary 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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