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

information circle16 Day Weather and Surf, issued 12 pm 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
9.6° C
(Which is slightly cooler than normal)

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 10PM. The primary swell is predicted to be 1.5m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mangersta Sands (Lewis) in the next 16 days are 3.0m 13s and forecast to arrive on Wednesday (May 20) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 8s period and expected on Monday (May 18) at 10PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Mon 18th May)5ft (1.5m) 10s
Best Surf10PM (Mon 18th May)5ft (1.5m) 10s
Most Powerful 4PM (Wed 20th May)10ft (3.0m) 13s

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 5mm), mostly falling on Tue night. Very mild (max 12°C on Tue afternoon, min 9°C on Mon night). Winds increasing (calm on Mon afternoon, strong winds from the SW by Wed morning).

Days 4-6 Weather Summary

Moderate rain (total 15mm), heaviest on Thu night. Very mild (max 12°C on Thu morning, min 10°C on Sat 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
0
2
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)
1.9
W
11
1.7
W
10
1.4
W
10
0.8
W
9
0.8
SSW
8
1.1
WSW
16
2.5
WSW
14
3
WSW
13
2.4
WSW
12
1.8
WSW
11
1.7
SW
8
2
SW
9
2.1
SW
10
2.2
SW
12
2
SW
11
1.9
SW
10
2.1
SW
10
2.2
SW
9
2.2
WSW
9
1.8
WSW
9
1.6
WSW
9
Wave Graph
Metric surfscale
Energy kJ
850
598
371
104
71
636
2643
2763
1597
732
335
668
777
1347
932
738
784
749
800
547
398
Wind (km/h)
15
S
10
SSW
15
E
25
ESE
15
SSE
10
SSE
25
S
35
SW
35
SSW
30
S
35
SSW
20
S
20
SSW
25
SSW
20
S
30
SSW
30
SSW
35
SSW
20
SSW
15
S
25
S
cross-on
on
cross-off
cross-off
cross
cross
cross-on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
High Tide
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
light rain
part cloud
part cloud
part cloud
light rain
part cloud
mod rain
rain showers
part cloud
rain showers
cloud
cloud
light rain
part cloud
cloud
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
1
1
2
4
6
2
1
2
Temp °C
10
10
11
11
12
11
11
11
10
12
12
12
12
12
12
12
11
11
11
11
12
6
6
7
6
9
8
6
4
4
6
6
9
9
7
9
7
5
4
8
8
7
Swell 1
Height (m)
Direction
Period (s)
1.9
W
11
1.7
W
10
1.4
W
10
0.8
W
9
0.8
SSW
8
1.1
SW
9
2.5
WSW
14
2.4
WSW
13
2
WSW
12
1.8
WSW
11
1.1
WSW
10
2
SW
9
0.4
WSW
14
2.2
SW
12
0.1
NE
7
0.1
NE
6
0.1
SW
16
0.1
W
16
0.2
SSW
13
1.8
WSW
9
1.6
WSW
9
Energy kJ
850
598
371
104
71
189
2643
1930
1138
732
246
668
74
1347
2
2
10
5
17
547
398
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
ENE
7
1.1
WSW
16
0.4
NE
8
0.2
NNE
8
0.2
NNE
7
0.2
NNE
7
0.2
NNE
7
0.1
NE
7
0.1
N
7
0.1
N
6
0.1
SW
15
0.5
W
11
Energy kJ
86
78
78
51
29
636
14
6
5
5
5
2
1
1
8
62
Swell 3
Height (m)
Direction
Period (s)
0.1
W
16
0.5
SSW
7
0.5
NNE
8
0.4
NE
7
0.1
SW
16
0.1
SW
16
0.1
N
7
0.5
W
16
Energy kJ
5
26
37
14
10
9
1
127
Wind waves
Height (m)
Direction
Period (s)
0.7
E
5
3
WSW
13
2.4
WSW
12
1
S
4
1.7
SW
8
0.6
SSE
4
2.1
SW
10
2
SW
11
1.9
SW
10
2.1
SW
10
2.2
SW
9
2.2
WSW
9
Energy kJ
27
2763
1597
40
335
11
777
932
738
784
749
800
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
1
1
3
2
2
3
2
1
2
1
1
3
2
1
1
2
2
2
Distance (km)
2
26
0
323
2
2
145
207
171
126
171
10
145
145
27
184
275
186
171
10
27
Best forecast wave conditions in Outer Hebrides
Rating
(10 max)
3
3
2
1
3
2
3
2
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
2
1
3
2
2
3
3
3
2
3
3
3
2
2
2
2
2
2
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
5
7
5
5
7
6
5
4
5
4
  • 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 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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