Aln Estuary Surf Break

Lat Long: 55.39° N 1.61° W

Aln Estuary 48 hour detailed Surf Forecast

Issued: 12 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aln Estuary sea temperature is
14.5° C
0.4° 

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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 6.5ft (2.0m), 8s period with N swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 6.5ft (2.0m), 8s period with NNE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 5ft (1.6m), 8s period with NNE swell.

The current surf forecast for Aln Estuary at 3AM is: 1.6m 8s primary swell from a North-northeast direction (forecast issued at 12:00am August 21). The wind direction is predicted to be offshore and the swell rating is 2.

Time (BST) & DateWave HeightWave Period
Morning (21 Aug)6.5ft (2.0m)8s
Afternoon (21 Aug)6.5ft (2.0m)8s
Evening (21 Aug)5ft (1.6m)8s

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


Short Range Forecast

Some drizzle, heaviest during Thu night. Very mild (max 17°C on Sun morning, min 10°C on Thu night). Winds decreasing (fresh winds from the N on Fri morning, calm by Sun morning).

Friday
21
Saturday
22
Sunday
23
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)
1
2
0
0
0
1
1
2
2
2
2
1
2
0
1
1
1
1
1
1
0
0
0
0
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)
1.6
NNE
8
1.6
N
8
1.5
NNE
8
2.2
NNE
8
2.1
NNE
8
1.9
NNE
8
1.7
NNE
8
1.5
NNE
8
1.6
NNE
8
1.6
NNE
8
1.7
NNE
9
1.6
NNE
8
1.7
NNE
9
1.6
NNE
9
1.5
NNE
9
1.4
NNE
9
1.3
NNE
9
1.2
NNE
9
1.2
NNE
8
1.1
NNE
8
1
NNE
8
1
NNE
8
0.9
NNE
8
0.9
NNE
8
Wave Graph
Metric surfscale
Energy kJ
302
316
320
528
507
416
344
277
330
346
417
336
423
363
320
288
251
212
190
153
125
125
98
83
Wind (km/h)
20
NW
15
WNW
25
NNW
35
N
30
N
25
N
20
N
15
NNW
15
NNW
15
NW
15
NNW
15
NNW
15
N
15
NE
10
SSE
10
S
10
SW
10
WNW
10
WNW
5
NW
10
E
10
E
10
SSE
10
S
Wind State
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross
cross-off
off
off
glassy
cross-on
on
cross-on
cross
High Tide
9:54AM3.16m
10:27PM3.01m
11:18AM3.02m
11:52PM3.01m
12:41PM3.07m
Low Tide
3:12AM1.49m
3:53PM1.68m
4:34AM1.66m
5:30PM1.80m
6:21AM1.62m
7:00PM1.68m
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
cloud
cloud
part cloud
cloud
part cloud
clear
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:28
8:24
8:22
 mm
1
Temp °C
11
10
12
13
13
14
13
13
12
12
11
13
14
14
14
15
14
14
13
15
17
15
16
16
Feels °C
7
6
7
6
7
9
9
10
9
9
8
9
10
10
12
12
12
11
10
14
15
12
14
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 

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