Surf Forecasts:
Mangersta Sands (Lewis) surf forecast from 17 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 7AM (local time) - 8ft (2.5m), 11s period, WSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 10PM (local time) - 8ft (2.5m), 11s period, WSW swell with 1,628 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 7AM (local time) - 8ft (2.5m), 11s 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 Wednesday (Aug 19) at 7AM. The primary swell is predicted to be 2.5m and 11s 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 2.5m 11s 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 2.1m 7s period and expected on Wednesday (Aug 19) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 19th Aug) | 8ft (2.5m) 11s |
| Best Surf | 7AM (Wed 19th Aug) | 8ft (2.5m) 11s |
| Most Powerful | 10PM (Tue 18th Aug) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Mangersta Sands (Lewis) over the next 16 days.
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon afternoon. Very mild (max 16°C on Mon morning, min 11°C on Wed night). Winds increasing (light winds from the E on Mon morning, fresh winds from the NE by Wed afternoon). | Days 4-6 Weather SummarySome drizzle, heaviest during Thu morning. Very mild (max 14°C on Sat night, min 11°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | WSW 9 | WSW 8 | SW 8 | WSW 7 | WSW 8 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 9 | W 9 | W 8 | WSW 9 | WSW 9 | WSW 8 | WSW 10 | NW 6 | NW 6 | WNW 6 | WNW 7 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 176 | 131 | 88 | 230 | 464 | 1628 | 1273 | 726 | 294 | 115 | 60 | 37 | 15 | 25 | 24 | 34 | 69 | 71 | 66 | 78 | 55 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | on | on | cross-on | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross | on |
High Tide | 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 | 4:17AM2.33m | 4:48PM2.51m | ||||||||
Low Tide | 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 | 10:31AM1.32m | 11:13PM1.15m | ||||||||
 |  |  |  | |  | | |  | | | | |  | |  | |  | | | | |
 | 5:52 | — | — | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — |
 | — | — | 9:08 | — | — | 9:07 | — | — | 9:04 | — | — | 9:00 | — | 8:59 | — | — | 8:55 | — | — | 8:52 | — |
mm | — | 5 | 7 | 1 | 1 | 1 | 4 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 14 | 14 | 14 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 |
Feels °C | 14 | 13 | 12 | 11 | 9 | 10 | 10 | 6 | 5 | 5 | 6 | 7 | 8 | 10 | 10 | 8 | 8 | 11 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 8 | SW 8 | NNE 7 | NNE 8 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 9 | W 9 | W 8 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 8 | WNW 6 | WNW 7 | W 8 |
| kJ | 176 | 131 | 88 | 16 | 37 | 1628 | 1273 | 726 | 294 | 115 | 60 | 37 | 406 | 308 | 254 | 194 | 144 | 90 | 66 | 78 | 55 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 8 | NE 5 | NE 6 | SW 16 | NNE 7 | NE 7 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | WSW 9 | WSW 9 | WSW 8 | WSW 10 | WSW 10 | WSW 9 | NNE 8 | NNE 8 | NNE 8 |
| kJ | 23 | 18 | 11 | 5 | 10 | 36 | 53 | 12 | 10 | 10 | 10 | 8 | 15 | 25 | 24 | 31 | 30 | 27 | 59 | 58 | 35 |
Swell 3 Height (m) Direction Period (s) | NW 6 | NE 4 | NNE 7 | SW 19 | W 19 | — | W 18 | — | — | — | — | — | WNW 8 | WNW 7 | WNW 7 | SW 13 | SW 13 | WNW 9 | WSW 9 | WSW 9 | NW 7 |
| kJ | 8 | 2 | 18 | 14 | 7 | — | 6 | — | — | — | — | — | 13 | 5 | 5 | 7 | 7 | 15 | 26 | 26 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | WSW 7 | WSW 8 | — | — | NE 7 | NNE 7 | NNE 8 | NNE 8 | NNE 9 | N 9 | NW 5 | — | NW 5 | NW 6 | NW 6 | — | — | — |
| kJ | — | — | — | 230 | 464 | — | — | 373 | 390 | 452 | 486 | 488 | 169 | 11 | — | 34 | 69 | 71 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 145 | 145 | 2 | 128 | 105 | 280 | 265 | 671 | 322 | 26 | 329 | 321 | 321 | 329 | 145 | 145 | 145 | 10 |
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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