Surf Forecasts:
Cliff Beach (Lewis) surf forecast from 17 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 1AM (local time) - 8ft (2.4m), 11s period, W swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 10PM (local time) - 8ft (2.5m), 11s period, W swell with 1,466 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 1AM (local time) - 2.5ft (0.7m), 8s period with SW swell.
Best Forecast Surf Conditions for Cliff Beach (Lewis) this week:
The surf forecast for Cliff Beach (Lewis) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 1AM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.4m and 7s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Cliff Beach (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 cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Monday (Aug 24) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 18th Aug) | 2.5ft (0.7m) 8s |
| Best Surf | 1AM (Wed 19th Aug) | 8ft (2.4m) 11s |
| Most Powerful | 10PM (Tue 18th Aug) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Cliff Beach (Lewis) over the next 16 days.
Short Range ForecastModerate rain (total 16mm), heaviest on Mon afternoon. Very mild (max 16°C on Mon afternoon, min 11°C on Wed night). Winds increasing (light winds from the SSE on Mon afternoon, fresh winds from the NE by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Sun morning, min 11°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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 8 | SW 8 | WSW 7 | WSW 8 | W 11 | W 10 | W 10 | NNE 7 | N 7 | N 8 | N 9 | N 9 | N 9 | NNE 9 | NNE 9 | NNE 9 | NW 6 | WNW 8 | W 6 | W 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 101 | 65 | 148 | 376 | 1354 | 865 | 530 | 259 | 285 | 314 | 292 | 225 | 165 | 108 | 70 | 67 | 54 | 116 | 54 | 52 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross | cross | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-off | cross | cross-off |
High Tide | 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 | |||||||
 |  |  |  |  | |  |  | | |  | | | |  | | | | | | |
 | — | — | 5:54 | — | — | 5:56 | — | — | 5:58 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — |
 | — | 9:08 | — | — | 9:06 | — | — | 9:04 | — | — | 9:00 | — | 8:58 | — | — | 8:55 | — | — | 8:52 | — |
mm | 6 | 7 | 1 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 14 | 14 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 15 | 15 | 14 |
Feels °C | 15 | 13 | 11 | 9 | 10 | 8 | 5 | 6 | 6 | 6 | 7 | 9 | 8 | 11 | 9 | 9 | 11 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | SW 8 | NNE 7 | NNE 7 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | N 9 | N 9 | NNE 9 | NNE 9 | NNE 9 | NW 6 | WNW 8 | W 6 | W 6 |
| kJ | 101 | 65 | 16 | 10 | 1354 | 865 | 530 | 240 | 87 | 60 | 22 | 225 | 165 | 108 | 70 | 67 | 54 | 116 | 54 | 52 |
Swell 2 Height (m) Direction Period (s) | N 7 | NNE 7 | NE 6 | NNE 8 | NNE 7 | NNE 7 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | NNE 8 | NNE 8 | WNW 8 | NNE 8 |
| kJ | 17 | 18 | 1 | 7 | 21 | 30 | 12 | 10 | 10 | 10 | 9 | 16 | 15 | 14 | 14 | 24 | 38 | 26 | 19 | 11 |
Swell 3 Height (m) Direction Period (s) | WNW 6 | NE 5 | W 19 | — | — | W 18 | — | — | — | — | — | WNW 8 | W 7 | WNW 4 | WSW 10 | SW 13 | WSW 9 | WSW 9 | NNE 8 | WSW 8 |
| kJ | 3 | 3 | 7 | — | — | 6 | — | — | — | — | — | 13 | 4 | 3 | 10 | 7 | 26 | 15 | 25 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 7 | WSW 8 | — | — | NNE 8 | NNE 7 | N 7 | N 8 | N 9 | — | — | — | NW 5 | NW 6 | — | — | — | — |
| kJ | — | — | 148 | 376 | — | — | 319 | 259 | 285 | 314 | 292 | — | — | — | 25 | 53 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 136 | 136 | 0 | 109 | 220 | 285 | 579 | 760 | 319 | 285 | 16 | 318 | 318 | 318 | 136 | 0 | 136 | 17 |
Best forecast wave conditions in Outer Hebrides | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Cliff Beach (Lewis) Surf forecast
The above surf forecast table for Cliff Beach (Lewis) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cliff Beach (Lewis) can be found by selecting the local surf guide option on the grey menu. Our Cliff Beach (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 (Cliff Beach (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 Cliff Beach (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 Cliff Beach (Lewis), camping, hotels and holiday cottages in Outer Hebrides, consider staying in Stornoway which is 35 km (22 miles) away.
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