Aln Estuary Surf Break

Lat Long: 55.39° N 1.61° W

Aln Estuary Surf Forecast and Surf Report

Issued: 6 pm 19 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.


Aln Estuary surf forecast from 20 Aug 2026:

  • Best quality surf: Friday 21 Aug, 10PM (local time) - 5ft (1.6m), 8s period, NNE swell with glassy winds.
  • Most powerful swell: Friday 21 Aug, 7AM (local time) - 8ft (2.4m), 8s period, N swell with 724 kJ wave energy.
  • Next surfable swell (1★+): Friday 21 Aug, 10PM (local time) - 5ft (1.6m), 8s period with NNE swell.

Best Forecast Surf Conditions for Aln Estuary this week:

The surf forecast for Aln Estuary over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 10PM. The primary swell is predicted to be 1.6m and 8s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Aln Estuary in the next 16 days are 2.4m 8s and forecast to arrive on Friday (Aug 21) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Thursday (Aug 20) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Fri 21st Aug)5ft (1.6m) 8s
Best Surf10PM (Fri 21st Aug)5ft (1.6m) 8s
Most Powerful 7AM (Fri 21st Aug)8ft (2.4m) 8s

Table - best surf conditions forecast for Aln Estuary over the next 16 days.


Short Range Forecast

Moderate rain (total 10mm), heaviest on Wed night. Very mild (max 17°C on Wed afternoon, min 11°C on Thu night). Winds decreasing (fresh winds from the N on Thu morning, calm by Fri night).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 17°C on Sun morning, min 14°C on Sat night). Wind will be generally light.

Wed
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
1
1
2
2
1
1
1
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)
0.6
NNE
7
0.7
NNE
7
1.4
NNE
5
2
N
7
1.5
NNE
8
2.3
NNE
8
1.8
NNE
8
1.6
NNE
8
1.8
NNE
9
1.6
NNE
9
1.3
NNE
9
1
NNE
8
0.9
NNE
8
0.9
NNE
7
0.6
NNE
7
0.5
NNE
7
0.7
SE
4
0.9
ESE
5
1.2
ESE
6
1.5
ESE
6
Wave Graph
Metric surfscale
Energy kJ
43
57
0
411
257
671
404
338
505
388
243
144
113
78
41
30
17
33
90
175
Wind (km/h)
5
NNW
15
NNE
30
N
35
N
20
NW
30
N
15
N
10
WSW
5
W
10
ENE
10
WNW
10
NW
10
E
10
S
15
SSE
25
SE
15
ESE
25
E
20
E
20
E
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
off
cross-off
on
cross-on
cross-on
on
on
cross-on
cross-on
on
High Tide
8:24PM3.44m
8:48AM3.45m
9:17PM3.18m
9:54AM3.16m
10:27PM3.01m
11:18AM3.02m
11:52PM3.01m
12:41PM3.07m
1:04AM3.19m
1:43PM3.25m
1:57AM3.47m
2:30PM3.48m
2:38AM3.77m
Low Tide
2:18AM1.24m
2:50PM1.40m
3:12AM1.49m
3:53PM1.68m
4:34AM1.66m
5:30PM1.80m
6:21AM1.62m
7:00PM1.68m
7:34AM1.39m
7:55PM1.46m
8:22AM1.10m
8:34PM1.21m
rain showers
mod rain
light rain
part cloud
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:48
5:50
5:52
5:54
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:32
8:30
8:28
8:24
8:22
8:21
8:17
 mm
2
6
1
1
1
Temp °C
17
14
14
14
12
13
14
13
16
15
16
17
16
16
17
16
15
15
16
17
Feels °C
16
13
8
7
8
6
10
12
14
12
13
15
14
14
13
12
13
11
13
13
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Aln Estuary Surf forecast

The above surf forecast table for Aln Estuary provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aln Estuary can be found by selecting the local surf guide option on the grey menu. Our Aln Estuary surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Aln Estuary) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Aln Estuary may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Aln Estuary is 4 km (2 miles) from Boulmer. If you plan a holiday in North East England, look for hotels and other accommodation in Boulmer. Boulmer has rooms for a wide range of budgets as well as car hire and transport links.

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