Aln Estuary Surf Break

Lat Long: 55.39° N 1.61° W

Aln Estuary 48 hour detailed Surf Forecast

Issued: 12 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aln Estuary sea temperature is
14.6° C
0.3° 

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 (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 4.5ft (1.3m), 6s period with NNE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 6ft (1.8m), 7s period with N swell.
  • Evening surf: Evening surf (20 Aug, local time) - 6ft (1.8m), 8s period with NNE swell.

The current surf forecast for Aln Estuary at 6AM is: 1.1m 8s primary swell from a North-northeast direction (forecast issued at 12:00am August 20). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (20 Aug)4.5ft (1.3m)6s
Afternoon (20 Aug)6ft (1.8m)7s
Evening (20 Aug)6ft (1.8m)8s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Wed night. Very mild (max 16°C on Sat morning, min 11°C on Thu night). Winds decreasing (fresh winds from the N on Thu morning, calm by Fri night).

Thursday
20
Friday
21
Saturday
22
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
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
1
1
1
1
0
0
1
2
2
2
2
2
2
2
0
1
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)
0.6
NNE
7
1
N
8
1.1
NNE
8
1.4
NNE
6
1.5
N
7
1.9
N
7
1.8
NNE
7
1.8
NNE
8
1.7
NNE
8
1.9
N
7
2.4
N
8
2.2
NNE
8
2
NNE
8
1.8
NNE
8
1.6
NNE
8
1.6
NNE
8
1.5
NNE
8
1.6
NNE
8
1.7
NNE
8
1.7
NNE
9
1.6
NNE
9
1.5
NNE
9
1.4
NNE
9
1.3
NNE
9
Wave Graph
Metric surfscale
Energy kJ
43
115
143
0
251
326
355
356
355
381
688
585
497
404
314
322
291
338
389
427
388
343
301
249
Wind (km/h)
15
N
25
N
25
N
30
N
35
N
35
N
30
N
25
NNW
25
NNW
25
NW
30
NNW
30
N
25
N
20
N
10
N
5
NW
10
W
10
WNW
5
NW
5
WSW
5
NE
10
NE
10
S
10
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
off
off
cross-off
glassy
cross-on
cross-on
cross-off
High Tide
8:48AM3.45m
9:17PM3.18m
9:54AM3.16m
10:27PM3.01m
11:18AM3.02m
Low Tide
2:18AM1.24m
2:50PM1.40m
3:12AM1.49m
3:53PM1.68m
4:34AM1.66m
5:30PM1.80m
light rain
light rain
part cloud
rain showers
part cloud
rain showers
clear
clear
cloud
part cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:48
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:28
8:24
 mm
1
1
1
1
1
Temp °C
14
13
13
13
14
14
14
12
11
11
12
13
13
14
14
13
12
11
11
13
16
15
16
17
Feels °C
11
8
8
7
7
7
8
7
6
6
6
6
7
10
11
11
10
8
9
11
14
12
13
14
  • 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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