Mablethorpe Surf Break

Lat Long: 53.30° N 0.30° E

Mablethorpe 48 hour detailed Surf Forecast

Issued: 6 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mablethorpe sea temperature is
20.1° C
4.2° 

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


How big are the waves at Mablethorpe today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 3.5ft (1.0m), 8s period with N swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.3m), 7s period with N swell.
  • Evening surf: Evening surf (21 Aug, local time) - 4.5ft (1.3m), 8s period with NNE swell.

The current surf forecast for Mablethorpe at 11AM is: 1.1m 8s primary swell from a North direction (forecast issued at 06:00am August 21). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (21 Aug)3.5ft (1.0m)8s
Afternoon (21 Aug)4.5ft (1.3m)7s
Evening (21 Aug)4.5ft (1.3m)8s

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


Short Range Forecast

Some drizzle, heaviest during Fri afternoon. Very mild (max 19°C on Sun afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the N on Fri afternoon, calm by Sat night).

Friday
21
Saturday
22
Sunday
23
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
1
0
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
N
7
1
N
8
1.1
N
8
1.1
N
7
1.4
N
7
1.4
N
7
1.2
NNE
8
1.1
N
8
1.1
N
8
1.1
N
8
1.2
N
8
1.2
N
8
1.1
NNE
8
1.3
N
8
1
NNE
8
0.9
NNE
8
0.9
NNE
8
0.8
NNE
8
0.8
NNE
8
0.7
NNE
8
0.7
NNE
8
0.8
NNE
8
0.7
NNE
8
Wave Graph
Metric surfscale
Energy kJ
106
114
149
127
176
215
183
153
153
149
168
168
155
201
137
116
119
92
90
70
70
75
55
Wind (km/h)
20
NW
20
NW
25
N
20
NNW
30
N
30
N
25
N
25
N
25
NNW
20
NNW
25
N
20
N
20
N
15
NNE
5
NNE
5
NW
5
W
10
SW
10
SW
5
SSE
10
E
15
E
20
SE
Wind State
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
glassy
off
cross-off
cross-off
cross
on
on
cross-on
High Tide
12:45PM3.91m
1:25AM3.68m
2:13PM3.71m
2:55AM3.67m
3:40PM3.76m
Low Tide
6:05AM1.86m
6:42PM2.05m
7:12AM2.13m
8:06PM2.26m
9:03AM2.18m
9:56PM2.18m
clear
clear
part cloud
clear
clear
rain showers
cloud
cloud
part cloud
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:14
8:12
8:09
 mm
1
Temp °C
12
12
15
16
15
15
14
14
14
12
15
15
15
14
14
14
13
13
15
18
19
17
17
Feels °C
8
8
10
11
9
9
8
8
8
7
9
10
11
11
13
13
11
11
12
16
16
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)
Map placeholder
How to use the Wavefinder 

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