Surf Forecasts:
Mangersta Sands (Lewis) surf forecast from 16 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 1PM (local time) - 8ft (2.5m), 11s period, WSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 10PM (local time) - 10ft (3.0m), 10s period, WSW swell with 1,618 kJ wave energy.
- Next surfable swell (1★+): Sunday 16 Aug, 4PM (local time) - 2.5ft (0.8m), 7s period with WNW 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 Sunday (Aug 16) at 4PM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Mangersta Sands (Lewis) in the next 16 days are 3.0m 10s and forecast to arrive on Tuesday (Aug 18) at 10PM. 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 7s period and expected on Thursday (Aug 20) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Sun 16th Aug) | 2.5ft (0.8m) 7s |
| Best Surf | 1PM (Wed 19th Aug) | 8ft (2.5m) 11s |
| Most Powerful | 10PM (Tue 18th Aug) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Mangersta Sands (Lewis) over the next 16 days.
Short Range ForecastModerate rain (total 16mm), heaviest on Mon night. Very mild (max 15°C on Mon morning, min 12°C on Sat night). Winds increasing (calm on Sun afternoon, fresh winds from the WSW by Tue morning). | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Tue night. Very mild (max 15°C on Wed morning, min 11°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
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) | W 7 | WNW 7 | WSW 10 | WSW 9 | WSW 8 | WSW 8 | WSW 7 | WSW 8 | WSW 10 | WSW 10 | W 10 | W 10 | W 9 | W 9 | W 8 | SW 14 | N 8 | WSW 8 | WSW 11 | NW 5 | NW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 124 | 53 | 151 | 190 | 131 | 80 | 170 | 675 | 1510 | 1299 | 969 | 319 | 133 | 101 | 35 | 33 | 115 | 23 | 23 | 53 | 64 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-off | cross-off | cross | cross | cross-on | on | on | cross | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-on | cross-on | off |
High Tide | 9:56AM3.41m | 10:06PM3.54m | 10:33AM3.24m | 10:44PM3.27m | 11:10AM3.03m | 11:24PM2.97m | 11:50AM2.79m | 00:10AM2.67m | 12:40PM2.56m | 1:11AM2.42m | 1:51PM2.39m | 2:40AM2.28m | 3:27PM2.37m | ||||||||
Low Tide | 3:54PM0.32m | 4:19AM0.20m | 4:31PM0.50m | 4:55AM0.48m | 5:10PM0.73m | 5:33AM0.78m | 5:54PM0.98m | 6:17AM1.07m | 6:49PM1.21m | 7:19AM1.31m | 8:14PM1.37m | 8:58AM1.41m | 10:01PM1.34m | ||||||||
 |  |  | |  |  | | | | | |  |  | |  | |  | | | |  | |
 | 5:50 | — | — | 5:52 | — | — | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:03 | — | — |
 | — | — | 9:12 | — | — | 9:08 | — | — | 9:07 | — | — | 9:04 | — | — | 9:00 | — | 8:59 | — | — | 8:55 | — |
mm | — | 2 | 2 | — | 1 | 6 | 2 | 2 | 6 | 2 | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 15 | 15 | 14 | 14 | 14 | 13 | 15 | 15 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 |
Feels °C | 12 | 13 | 13 | 14 | 14 | 12 | 9 | 9 | 9 | 14 | 14 | 9 | 7 | 6 | 6 | 7 | 7 | 10 | 10 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | W 7 | WNW 7 | WSW 10 | WSW 9 | WSW 8 | WSW 8 | NNE 7 | NNE 8 | WSW 10 | WSW 10 | W 10 | W 10 | W 9 | W 9 | W 8 | WSW 9 | NNE 9 | NNE 9 | NNE 9 | NNE 10 | NNE 10 |
| kJ | 124 | 53 | 151 | 190 | 131 | 80 | 28 | 39 | 1510 | 1299 | 969 | 319 | 133 | 101 | 35 | 31 | 237 | 176 | 203 | 272 | 260 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 7 | N 7 | N 8 | N 7 | ENE 6 | ENE 6 | NNE 8 | NNE 8 | SW 17 | SW 16 | SW 16 | SW 16 | WSW 9 | WNW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 10 | NW 6 |
| kJ | 64 | 43 | 26 | 24 | 29 | 28 | 3 | 4 | 61 | 74 | 12 | 10 | 10 | 10 | 33 | 21 | 25 | 23 | 22 | 38 | 64 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | SW 7 | WNW 6 | NW 6 | WNW 6 | NE 5 | SW 19 | SW 16 | SW 17 | SW 18 | — | — | — | — | SW 15 | SW 14 | WNW 7 | WNW 7 | WSW 11 | WNW 9 | WSW 10 |
| kJ | 7 | 23 | 16 | 9 | 3 | 8 | 14 | 10 | 11 | 12 | — | — | — | — | 8 | 33 | 11 | 9 | 23 | 8 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 3 | WSW 7 | WSW 8 | — | — | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 9 | N 8 | — | WNW 4 | NW 5 | — |
| kJ | — | — | — | — | — | 1 | 170 | 675 | — | — | 264 | 270 | 346 | 361 | 346 | 307 | 115 | — | 11 | 53 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 0 | 2 | 2 | 145 | 145 | 145 | 2 | 0 | 26 | 280 | 366 | 0 | 268 | 265 | 26 | 145 | 190 | 0 |
Best forecast wave conditions in Outer Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live 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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