Surf Forecasts:
Mangersta Sands (Lewis) surf forecast from 20 Sep 2026:
- Best quality surf: Sunday 20 Sep, 7PM (local time) - 11ft (3.5m), 12s period, W swell with cross-onshore winds.
- Most powerful swell: Friday 25 Sep, 10AM (local time) - 16ft (5.0m), 17s period, W swell with 15,053 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 7PM (local time) - 11ft (3.5m), 12s period with W 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 (Sep 20) at 7PM. The primary swell is predicted to be 3.5m and 12s period. 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 5.0m 17s and forecast to arrive on Friday (Sep 25) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 8s period and expected on Monday (Sep 21) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 20th Sep) | 11ft (3.5m) 12s |
| Best Surf | 7PM (Sun 20th Sep) | 11ft (3.5m) 12s |
| Most Powerful | 10AM (Fri 25th Sep) | 16ft (5.0m) 17s |
Table - best surf conditions forecast for Mangersta Sands (Lewis) over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Very mild (max 15°C on Mon night, min 10°C on Sun night). Winds decreasing (strong winds from the WNW on Sun morning, light winds from the WSW by Tue night). | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Thu night. Very mild (max 14°C on Thu afternoon, min 10°C on Fri afternoon). Winds increasing (light winds from the SW on Wed afternoon, near gales from the S by Thu morning). | ||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||
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 12 | W 12 | W 12 | W 11 | SW 8 | WSW 10 | WSW 10 | WSW 11 | W 14 | W 13 | W 12 | W 11 | WNW 12 | SSW 8 | SW 12 | W 17 | W 15 | W 13 | WSW 11 | WSW 11 | WSW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5625 | 3852 | 2360 | 720 | 416 | 1261 | 1605 | 1756 | 4859 | 3664 | 2386 | 1521 | 1252 | 1310 | 6253 | 15053 | 9044 | 3785 | 2005 | 2038 | 1080 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 2:44PM2.30m | 3:52AM2.27m | 4:14PM2.46m | 4:58AM2.48m | 5:07PM2.69m | 5:41AM2.72m | 5:46PM2.94m | 6:15AM2.97m | 6:19PM3.18m | 6:46AM3.20m | 6:51PM3.38m | 7:17AM3.39m | 7:22PM3.54m | ||||||||
Low Tide | 9:27PM1.37m | 10:00AM1.42m | 10:43PM1.15m | 11:00AM1.20m | 11:28PM0.88m | 11:40AM0.96m | 00:03AM0.61m | 12:14PM0.73m | 00:34AM0.36m | 12:47PM0.51m | 1:05AM0.15m | 1:18PM0.34m | 1:37AM0.01m | ||||||||
 | |  |  | |  | | | |  | |  |  | | |  | | | | | | |
 | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — |
 | — | 7:35 | — | — | 7:31 | — | — | 7:29 | — | — | 7:25 | — | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — |
mm | — | — | 3 | 2 | — | 4 | — | — | 1 | — | — | — | — | — | 4 | 2 | 4 | — | — | — | 1 |
Temp °C | 12 | 12 | 11 | 14 | 14 | 15 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 11 | 11 | 11 | 13 | 13 | 12 |
Feels °C | 4 | 5 | 7 | 9 | 9 | 9 | 7 | 7 | 9 | 8 | 8 | 5 | 1 | 4 | 4 | 7 | 9 | 7 | 8 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | — | — | W 12 | W 11 | WNW 11 | N 8 | WSW 10 | WSW 11 | W 14 | W 13 | W 12 | W 11 | WNW 12 | WNW 12 | NNW 11 | W 17 | W 15 | W 13 | N 9 | WSW 11 | WSW 10 |
| kJ | — | — | 2360 | 720 | 343 | 35 | 1605 | 1756 | 4859 | 3664 | 2386 | 1521 | 1252 | 593 | 25 | 15053 | 9044 | 3785 | 2 | 2038 | 1080 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 7 | NNE 8 | SW 13 | NNE 8 | W 18 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | N 11 | N 11 | NNW 11 | NNW 11 | NNW 10 | N 10 | N 9 | N 9 | SSE 6 |
| kJ | — | — | — | 16 | 22 | 7 | 24 | 225 | 14 | 6 | 6 | 6 | 3 | 9 | 25 | 38 | 20 | 7 | 2 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | NNE 8 | N 7 | — | W 21 | W 13 | — | — | — | S 12 | — | — | NNW 11 | — | — | — | — | — | — |
| kJ | — | — | — | 6 | 4 | — | 9 | 130 | — | — | — | 3 | — | — | 13 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 12 | W 12 | — | SW 7 | SW 8 | WSW 10 | — | — | — | — | — | — | SSW 6 | SSW 8 | SW 12 | — | — | — | WSW 11 | SE 5 | SSE 5 |
| kJ | 5625 | 3852 | — | 322 | 416 | 1261 | — | — | — | — | — | — | 206 | 1310 | 6253 | — | — | — | 2005 | 23 | 17 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 651 | 446 | 27 | 171 | 161 | 171 | 145 | 177 | 105 | 105 | 177 | 10 | 126 | 171 | 171 | 40 | 26 | 40 | 10 | 121 | 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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