Surf Forecasts:
Mangersta Sands (Lewis) surf forecast from 10 Sep 2026:
- Best quality surf: Monday 14 Sep, 7PM (local time) - 10ft (3.0m), 10s period, WSW swell with cross-onshore winds.
- Most powerful swell: Saturday 12 Sep, 7AM (local time) - 13ft (4.0m), 12s period, WSW swell with 4,485 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 7PM (local time) - 10ft (3.0m), 10s period with WSW swell.
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 (Sep 14) at 7PM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 0.9m and 12s. Another secondary swell of 0.8m and 12s is also forecast. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Mangersta Sands (Lewis) in the next 16 days are 4.0m 12s and forecast to arrive on Saturday (Sep 12) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 8s period and expected on Thursday (Sep 10) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Mon 14th Sep) | 10ft (3.0m) 10s |
| Best Surf | 7PM (Mon 14th Sep) | 10ft (3.0m) 10s |
| Most Powerful | 7AM (Sat 12th Sep) | 13ft (4.0m) 12s |
Table - best surf conditions forecast for Mangersta Sands (Lewis) over the next 16 days.
Short Range ForecastModerate rain (total 15mm), heaviest on Fri night. Very mild (max 15°C on Fri night, min 12°C on Thu night). Winds decreasing (near gales from the S on Fri night, light winds from the W by Sat afternoon). | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Mon night. Very mild (max 14°C on Sun night, min 12°C on Sat night). Winds decreasing (strong winds from the S on Sun night, light winds from the SSE by Mon night). | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SW 9 | WSW 10 | W 10 | W 10 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | NNW 13 | NNW 13 | SW 9 | WSW 11 | WSW 11 | W 10 | W 10 | W 11 | W 10 | WSW 10 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 874 | 1339 | 1522 | 1915 | 2039 | 2458 | 2403 | 2155 | 1176 | 806 | 823 | 799 | 1776 | 2364 | 1150 | 1161 | 2053 | 2859 | 849 | 563 | 1172 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross | cross-off | off | off | cross-off | cross-on |
High Tide | 6:59AM3.39m | 7:07PM3.66m | 7:37AM3.54m | 7:46PM3.76m | 8:13AM3.60m | 8:22PM3.75m | 8:47AM3.58m | 8:58PM3.64m | 9:20AM3.47m | 9:33PM3.44m | 9:52AM3.30m | 10:08PM3.19m | 10:24AM3.08m | 10:44PM2.90m | |||||||
Low Tide | 1:00PM0.32m | 1:25AM-0.09m | 1:38PM0.18m | 2:01AM-0.14m | 2:14PM0.12m | 2:36AM-0.09m | 2:49PM0.15m | 3:08AM0.06m | 3:23PM0.25m | 3:41AM0.29m | 3:57PM0.43m | 4:13AM0.56m | 4:31PM0.66m | ||||||||
 | |  |  |  |  | | |  | | |  | | | |  | |  | | |  | |
 | 6:45 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 8:02 | — | — | 8:00 | — | — | 7:58 | — | — | 7:54 | — | — | 7:52 | — | — | 7:49 | — | — | 7:45 | — |
mm | 4 | 3 | 1 | — | — | 6 | — | — | — | — | — | 2 | — | 3 | 9 | — | — | — | — | — | — |
Temp °C | 13 | 14 | 13 | 13 | 13 | 15 | 13 | 13 | 12 | 13 | 13 | 14 | 14 | 13 | 14 | 14 | 13 | 11 | 10 | 10 | 11 |
Feels °C | 4 | 9 | 7 | 6 | 6 | 8 | 7 | 8 | 8 | 8 | 7 | 6 | 9 | 9 | 13 | 11 | 8 | 8 | 7 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NNE 8 | — | — | N 10 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | NNW 13 | NNW 13 | N 13 | NNW 12 | N 12 | N 11 | N 10 | W 11 | W 10 | WSW 10 | NNW 11 |
| kJ | 12 | 6 | — | — | 2 | 2458 | 2403 | 2155 | 1176 | 806 | 823 | 799 | 389 | 240 | 132 | 57 | 33 | 2859 | 849 | 563 | 191 |
Swell 2 Height (m) Direction Period (s) | W 12 | N 8 | — | — | NW 12 | N 10 | WSW 10 | SW 10 | SW 10 | SW 9 | WNW 10 | WNW 9 | NNW 13 | W 14 | NNW 12 | — | — | N 10 | WNW 10 | NNW 11 | NNW 11 |
| kJ | 3 | 5 | — | — | 152 | 7 | 1307 | 784 | 496 | 321 | 416 | 132 | 345 | 4 | 140 | — | — | 17 | 261 | 454 | 153 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | N 9 | N 10 | N 13 | NNW 14 | WSW 9 | WSW 9 | — | — | — | — | — | — | N 12 | NW 9 | — |
| kJ | — | — | — | — | — | — | 6 | 2 | 81 | 521 | 288 | 151 | — | — | — | — | — | — | 274 | 83 | — |
Wind waves Height (m) Direction Period (s) | SSW 8 | SW 9 | WSW 10 | W 10 | W 10 | SSW 8 | — | — | — | — | SSW 3 | SW 6 | SW 9 | WSW 11 | WSW 11 | W 10 | W 10 | — | — | — | WSW 9 |
| kJ | 874 | 1339 | 1522 | 1915 | 2039 | 1051 | — | — | — | — | 8 | 247 | 1776 | 2364 | 1150 | 1161 | 2053 | — | — | — | 1172 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 126 | 145 | 318 | 446 | 311 | 215 | 220 | 318 | 190 | 145 | 145 | 143 | 259 | 145 | 2 | 121 | 240 | 760 | 0 | 0 | 2 |
Best forecast wave conditions in Outer Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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