Mangersta Sands (Lewis) surfForecast / Scot – Outer Hebrides / UK

information circle16 Day Weather and Surf, issued 12 am Monday 18 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Mangersta Sands (Lewis) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mangersta Sands (Lewis) sea temperature is
9.7° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Mangersta Sands (Lewis) this week:

The surf forecast for Mangersta Sands (Lewis) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 18) at 7PM. The primary swell is predicted to be 1.6m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mangersta Sands (Lewis) in the next 16 days are 2.5m 14s and forecast to arrive on Wednesday (May 20) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 9s period and expected on Monday (May 18) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Mon 18th May)5ft (1.6m) 10s
Best Surf 7PM (Mon 18th May)5ft (1.6m) 10s
Most Powerful10AM (Wed 20th May)8ft (2.5m) 14s

Table - best surf conditions forecast for Mangersta Sands (Lewis) over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Mon night. Very mild (max 11°C on Tue afternoon, min 8°C on Sun night). Winds increasing (light winds from the ENE on Mon afternoon, fresh winds from the SW by Wed afternoon).

Days 4-6 Weather Summary

Moderate rain (total 14mm), heaviest on Thu night. Very mild (max 12°C on Thu morning, min 10°C on Wed night). Mainly fresh winds.

Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
2
0
1
0
0
0
0
0
0
1
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)
1.9
W
11
1.7
W
10
1.3
W
10
0.8
W
9
0.8
S
8
1.1
WSW
16
2.5
WSW
14
3
WSW
13
3
WSW
11
2.1
SW
11
2.1
SW
9
1.7
SW
9
2.5
SW
13
2.5
SW
12
2.1
SW
11
1.8
SW
10
1.6
SW
10
1.3
WSW
9
0.9
WSW
9
0.8
WSW
9
0.6
W
9
Wave Graph
Metric surfscale
Energy kJ
850
598
320
106
82
636
2643
2598
2296
1028
760
447
2201
1821
981
622
471
270
135
94
58
Wind (km/h)
15
S
10
SSW
15
E
30
ESE
15
ESE
15
SSE
25
S
40
SW
30
SSW
30
SSE
30
SSW
10
S
20
S
25
S
20
S
20
SSW
25
SW
15
SSW
25
S
25
SSW
15
S
cross-on
on
cross-off
cross-off
cross-off
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
8:22AM3.56m
8:42PM3.65m
9:13AM3.45m
9:29PM3.56m
10:07AM3.26m
10:21PM3.41m
11:05AM3.04m
11:18PM3.22m
12:11PM2.83m
00:22AM3.05m
1:23PM2.70m
1:32AM2.91m
2:36PM2.68m
2:44AM2.84m
Low Tide
2:31PM0.14m
2:59AM0.02m
3:17PM0.30m
3:50AM0.12m
4:07PM0.52m
4:45AM0.28m
5:01PM0.75m
5:47AM0.48m
6:03PM0.97m
6:56AM0.64m
7:17PM1.12m
8:10AM0.73m
8:36PM1.16m
part cloud
part cloud
light rain
light rain
light rain
part cloud
light rain
rain showers
cloud
light rain
part cloud
mod rain
rain showers
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:56
4:54
4:52
4:50
4:48
4:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:52
9:53
9:55
9:58
10:00
10:01
10:04
1
2
1
1
1
4
9
1
Temp °C
10
10
10
10
11
11
11
11
10
12
12
12
12
12
12
12
12
11
12
12
13
6
6
6
6
8
8
7
5
5
5
6
9
8
7
9
8
8
7
7
7
9
Swell 1
Height (m)
Direction
Period (s)
1.9
W
11
1.7
W
10
1.3
W
10
0.8
W
9
0.6
ENE
7
1.1
WSW
16
2.5
WSW
14
0.2
NNE
7
2.5
WSW
12
0.1
NE
8
0.2
NNE
7
0.7
WSW
10
0.2
NNE
7
2.5
SW
12
0.1
N
7
0.1
N
6
1.6
SW
10
1.3
WSW
9
0.9
WSW
9
0.8
WSW
9
0.6
SW
8
Energy kJ
850
598
320
106
33
636
2643
5
1784
2
5
106
4
1821
1
1
471
270
135
94
53
Swell 2
Height (m)
Direction
Period (s)
0.8
NNE
9
0.8
NNE
8
0.8
NNE
8
0.6
NNE
8
0.5
NNE
8
0.9
SSW
8
0.4
NE
8
0.1
SW
16
0.2
NNE
7
0.1
N
7
0.1
SW
16
0.1
SW
13
0.1
SW
14
0.1
SW
14
0.6
W
9
Energy kJ
86
78
78
53
37
88
14
10
5
1
10
7
8
8
58
Swell 3
Height (m)
Direction
Period (s)
0.1
W
16
0.5
SSW
7
0.5
W
9
0.7
WSW
9
0.1
SW
16
0.1
N
7
0.1
SW
16
0.1
N
6
0.1
N
6
0.1
SW
14
Energy kJ
5
26
40
78
9
1
10
1
1
8
Wind waves
Height (m)
Direction
Period (s)
0.8
E
4
0.8
S
8
0.2
SSE
6
3
WSW
13
3
WSW
11
2.1
SW
11
2.1
SW
9
1.7
SW
9
2.5
SW
13
2.1
SW
11
1.8
SW
10
0.1
NE
6
Energy kJ
16
82
3
2598
2296
1028
760
447
2201
981
622
1
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
1
1
3
2
2
1
3
2
2
1
3
3
1
1
1
1
1
1
Distance (km)
2
2
0
323
0
10
145
143
171
27
171
2
171
170
10
219
170
10
145
184
2
Best forecast wave conditions in Outer Hebrides
Rating
(10 max)
3
3
2
1
3
3
2
3
2
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
2
1
3
2
2
4
3
3
2
4
3
3
2
2
2
1
1
1
Header Global
Rating
(10 max)
5
4
4
4
4
4
5
5
5
5
4
4
5
6
5
7
5
5
5
4
4
  • Map Icons:
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  • 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 Mangersta Sands (Lewis) Surf forecast

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

Are you planning a holiday in Outer Hebrides? If you are looking for accommodation near Mangersta Sands (Lewis), camping, hotels and holiday cottages in Outer Hebrides, consider staying in Stornoway which is 42 km (26 miles) away.

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