Mablethorpe Surf Break

Lat Long: 53.30° N 0.30° E

Mablethorpe Surf Forecast and Surf Report

Issued: 12 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mablethorpe sea temperature is
17.6°C
3.0° 

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


Mablethorpe surf forecast from 15 Sep 2026:

  • Most powerful swell: Thursday 17 Sep, 7AM (local time) - 2ft (0.6m), 8s period, N swell with 52 kJ wave energy.

Best Forecast Surf Conditions for Mablethorpe this week:

The most powerful waves expected at Mablethorpe in the next 16 days are 0.6m 8s and forecast to arrive on Thursday (Sep 17) 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 0.6m 3s period and expected on Thursday (Sep 17) at 7AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 7AM (Thu 17th Sep)2ft (0.6m) 8s

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


The Lowdown

Alright, it's Rusty here. Let’s be straight with you: we’ve got a 16-day window and, well... it’s a real quiet one. The whole period is looking flat as a pancake, with nothing but tiny, weak signals. There's a big gap of no real surf to speak of from now, stretching all the way through. The first real suggestion of any energy doesn’t pop up until the very tail end of the period, and even then, it’s not exactly going to get the heart racing.

The only break on the radar is Mablethorpe, and it’s a beginner spot that’s "inconsistent" at the best of times. Honestly, for the first two weeks, you’re looking at swell heights barely scraping 0.7 ft to 1 ft, with periods all over the shop – mostly short-period slop. The water temp is sitting at 64 °F, which is a whopping 5 °F warmer than normal. That’s seriously unusual for this time of year, almost like the ocean forgot the season.

Let’s run through it. Tuesday the 15th is a write-off with 0.7 ft of northerly swell and a 12-second period, but it’s weak. The combined energy is just 11 (weak energy). Wednesday the 16th afternoon goes glassy, but the swell is a measly 1 ft with a pathetic 5-second period. Thursday the 17th shows a slight bump: 2 ft from the north with an 8-second period and a combined energy of 52 (still weak). The wind is offshore from the W at 22 mph, so it’ll be clean, but the wave quality is still rated as poor. The rest of that week and the next are just variations on the same theme – tiny, weak, and poor.

Now, the best we’ve got on offer – and I say this with a heavy heart – is a glimmer at the very end. On Wednesday the 30th of September, we finally see some combined energy creep into three-digit territory. The morning session shows 2 ft from the north, a 10-second period, and a combined energy of 132 (moderate wave energy). The wind is a whisper from the NNE at just 3 mph, making it light cross-onshore with small wind ripples. The afternoon keeps the 2 ft from the north, 10-second period, and a combined energy of 108 (moderate wave energy), with a light onshore breeze from the East at 6 mph.

Is it a standout? Only by default. For a beginner at Mablethorpe, that 2 ft might be something to play on, but it’s still tiny and the quality is marked as poor. Don’t expect barrels. This is a spot for a longboard or a foamie on a day when you just need to get wet. But honestly, for the next two weeks, leave the board in the car and go for a walk. It’s that kind of outlook.

Stay patient, Rusty out.

Short Range Forecast

Light rain (total 2mm), mostly falling on Wed night. Warm (max 20°C on Tue morning, min 11°C on Thu night). Winds increasing (calm on Wed afternoon, fresh winds from the W by Thu afternoon).

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Sat morning, min 12°C on Sat night). Winds decreasing (fresh winds from the W on Sat afternoon, light winds from the WNW by Sun night).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
AM
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
0
0
0
0
0
0
0
0
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)
0.2
N
12
0.2
N
11
0.2
N
11
0.1
N
10
0.4
N
5
0.6
N
8
0.6
N
8
0.4
NNE
8
0.3
N
8
0.3
N
8
0.3
N
8
0.2
N
8
0.2
N
8
0.1
N
8
0.1
N
8
0.1
N
8
0.2
N
6
0.2
N
6
0.1
N
8
0.1
N
8
0.1
N
7
Wave Graph
Metric surfscale
Energy kJ
11
9
9
2
9
45
52
22
11
11
11
6
5
1
1
1
3
2
1
1
1
Wind (km/h)
30
WSW
25
WNW
25
WNW
20
NW
5
SE
25
SW
25
SW
35
W
25
W
25
WSW
20
WSW
25
SW
25
WSW
35
W
20
WSW
25
WNW
15
WNW
15
WNW
15
WNW
10
E
5
NW
Wind State
cross-off
off
off
cross-off
glassy
cross-off
cross-off
off
off
off
cross-off
cross-off
off
off
off
cross-off
cross-off
off
off
on
cross-off
High Tide
9:22PM5.04m
9:36AM5.13m
9:53PM4.71m
10:12AM4.71m
10:25PM4.34m
10:51AM4.25m
11:05PM3.97m
11:45AM3.81m
00:12AM3.64m
1:28PM3.52m
2:10AM3.56m
3:17PM3.58m
3:39AM3.81m
Low Tide
3:20PM0.50m
3:29AM0.75m
3:51PM0.90m
4:01AM1.04m
4:23PM1.33m
4:36AM1.39m
4:59PM1.74m
5:19AM1.77m
5:48PM2.12m
6:24AM2.11m
7:06PM2.39m
8:19AM2.23m
9:13PM2.36m
part cloud
clear
clear
part cloud
part cloud
light rain
rain showers
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:33
6:33
6:35
6:37
6:39
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:13
7:10
7:07
7:06
7:02
7:00
 mm
1
1
Temp °C
20
20
15
17
17
15
18
17
14
16
19
17
21
20
16
17
19
15
20
20
20
Feels °C
15
14
11
15
16
11
11
9
9
10
14
14
15
12
13
13
15
12
19
18
20
  • 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 Mablethorpe Surf forecast

The above surf forecast table for Mablethorpe provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mablethorpe can be found by selecting the local surf guide option on the grey menu. Our Mablethorpe 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 (Mablethorpe) 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 Mablethorpe 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.

Mablethorpe is 20 km (12 miles) from Skegness. If you plan a holiday in Lincolnshire, look for hotels and other accommodation in Skegness. Skegness has rooms for a wide range of budgets as well as car hire and transport links.

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