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

information circle12 Day Weather and Surf, issued 5 pm Friday 12 Dec 2025 GMT
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
10.6° C
(Which is slightly warmer than usual)


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

The surf forecast for Mangersta Sands (Lewis) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 12) at 9PM. The primary swell is predicted to be 6.0m and 16s period with a secondary swell of 0.7m and 11s. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Mangersta Sands (Lewis) in the next 12 days are 12.0m 21s and forecast to arrive on Thursday (Dec 18) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 8s period and expected on Friday (Dec 19) at 6PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Fri 12th Dec)20ft (6.0m) 16s
Best Surf 9PM (Fri 12th Dec)20ft (6.0m) 16s
Most Powerful 6AM (Thu 18th Dec)39ft (12.0m) 21s

Table - best surf conditions forecast for Mangersta Sands (Lewis) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 47mm), heaviest during Sat morning. Very mild (max 12°C on Sat afternoon, min 6°C on Sun night). Winds decreasing (gales from the SSW on Sat afternoon, light winds from the SSW by Sun night).

Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Tue night. Very mild (max 11°C on Wed morning, min 7°C on Tue night). Mainly gales.

Fri
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
!
!
!
!
0
0
0
0
0
0
0
0
0
0
0
0
!
!
!
!
!
Swell
Height Map
Wave Height (m) & direction (?)
7
WSW
6.5
W
6.5
WSW
6.5
SW
6
WSW
4.5
WSW
6
WSW
5.5
W
4.5
W
4.5
W
4.5
W
5
W
4.5
W
4
W
6
SW
5
WSW
11
W
12
W
10
W
6.5
W
4
W
Period(s) (?)171715121313131313151615141412122021191715
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2691223547193931163213143729912097991367707872106969897855052511005473848026611165072398260926982
Wind
(km/h)
50
SSW
45
SW
65
S
75
SSW
40
SW
45
SW
40
WSW
20
SSW
40
SW
35
SW
35
SW
35
SW
35
SW
50
S
55
SSW
50
SSW
55
SW
50
SW
40
S
20
NE
25
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
onononcross-
on
ononononononcross-
on
cross-
on
onononcross-
on
offcross
High Tide
/ height (m)
1:26AM
2.60
1:32PM
2.68
2:29AM
2.64
2:38PM
2.63
3:25AM
2.72
3:36PM
2.66
4:12AM
2.83
4:27PM
2.74
4:53AM
2.94
5:11PM
2.83
5:31AM
3.04
5:50PM
2.92
6:08AM
3.14
Low Tide
/ height (m)
6:59PM
0.86
7:25AM
1.25
8:04PM
0.92
8:37AM
1.21
9:03PM
0.92
9:37AM
1.11
9:53PM
0.88
10:25AM
0.97
10:37PM
0.81
11:06AM
0.83
11:16PM
0.73
11:44AM
0.69
11:54PM
0.66
Fri
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Sunrise--9:06--9:07--9:07--9:08--9:10--9:11--9:11
Sunset3:37--3:37--3:37--3:37--3:37--3:37--3:37--
thunderstorm
light rain
heavy rain
mod rain
mod rain
rain showers
light rain
rain showers
rain showers
part cloud
rain showers
thunderstorm
rain showers
rain showers
rain showers
part cloud
rain showers
light rain
cloud
mod rain
light rain
Rain (mm)
23119104161-43263-32-95
Temp. °C99912121299999999111089988
Feels °C (?)-2-1-402300-110110-1-1-4-1044
  • 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 12 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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