Mablethorpe surfForecast / Lincolnshire / UK

information circle48hr Weather and Surf, issued 5 am Wednesday 18 Feb 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Mablethorpe surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mablethorpe sea temperature is
5.3° C
(Which is slightly cooler than normal)


How big are the waves at Mablethorpe today?

The current surf forecast for Mablethorpe at 8AM is: 1.0m 10s primary swell from a North direction and 0.3m 6s secondary swell from a Northeast direction, 0.8m 4s secondary swell from a East-southeast direction (forecast issued at 05:00am February 18). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (18 Feb)3ft (0.9m)11s
Afternoon (18 Feb)5ft (1.6m)6s
Evening (18 Feb)6.5ft (2.0m)7s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
Sat
21
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
2
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
NNE
1.1
NNE
0.9
NNE
0.8
N
1.6
ESE
0.6
N
2
E
2.1
E
2.1
E
2.1
E
1.9
ENE
1.6
ENE
1.8
E
1.3
ENE
1.1
ENE
1
ENE
0.9
ENE
0.8
ENE
0.7
ENE
0.5
ENE
0.4
ENE
0.2
N
0.2
ENE
0.2
ENE
Period(s) (?)111011116117889998888877771166
Wave
Graph
(?)Metric surfscale
Energy kJ (?)415281187146171914165275696535603944502061421138162472818944
Wind
(km/h)
20
SE
30
SE
35
SE
40
ESE
40
ESE
45
ESE
50
ESE
50
ESE
40
ESE
35
E
30
E
25
ESE
10
SE
10
W
20
WNW
15
WSW
20
WSW
20
SW
30
SSW
35
SW
30
WSW
35
SW
40
WSW
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononononononcross-
on
offoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
6:36AM
5.18
6:40PM
5.68
7:09AM
5.34
7:13PM
5.83
7:43AM
5.41
7:48PM
5.85
Low Tide
/ height (m)
12:45PM
0.64
1:10AM
-0.01
1:19PM
0.51
1:44AM
-0.12
1:53PM
0.48
Wednesday
18
Thursday
19
Friday
20
Sat
21
Sunrise--7:11-------7:09-------7:07-----
Sunset----5:14-------5:15-------5:17---
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
Rain (mm)
--------111------------1
Temp. °C4444444333334433444911111111
Feels °C (?)-2-4-5-6-6-7-7-8-7-5-4-311-2-2-2-2-414425
  • 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

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