Surf Forecasts:
Barvas (Lewis) surf forecast from 29 Jul 2026:
- Best quality surf: Monday 3 Aug, 7AM (local time) - 4.5ft (1.4m), 12s period, NNE swell with cross-offshore winds.
- Most powerful swell: Monday 3 Aug, 1PM (local time) - 6ft (1.9m), 11s period, N swell with 890 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 7AM (local time) - 2.5ft (0.8m), 8s period with N swell.
Best Forecast Surf Conditions for Barvas (Lewis) this week:
The surf forecast for Barvas (Lewis) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 30) at 7AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.8m and 7s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Barvas (Lewis) in the next 16 days are 1.9m 11s and forecast to arrive on Monday (Aug 03) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Wednesday (Jul 29) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Thu 30th Jul) | 2.5ft (0.8m) 8s |
| Best Surf | 7AM (Mon 3rd Aug) | 4.5ft (1.4m) 12s |
| Most Powerful | 1PM (Mon 3rd Aug) | 6ft (1.9m) 11s |
Table - best surf conditions forecast for Barvas (Lewis) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s break down the surf for the Isle of Lewis.
We’re staring down a rough start. From now all the way through the 2nd of August, it’s pretty much a dead zone. The wind is all over the place, the swell is small and messy, and the water’s sitting at 57°F – which is about average for this time of year. That’s a long, frustrating week of nothing.
But then, Monday morning the 3rd of August, things finally click. Barvas (Lewis) is the spot. We’ve got a clean 6ft groundswell from the north with a long 11-second period. That’s a lot of energy (837) and the wind is light and blowing cross-off from the north-east. The waves will be clean, powerful, and well-shaped. It’s a reef break, so that long-period swell will wrap in nicely, and since it’s fairly consistent and crowds are rare, you might have the place to yourself. This is the session to aim for.
The afternoon of the 3rd gets a bit bumpy with a cross-shore wind, but the morning is the real deal. The 4th of August has a smaller 4ft north swell with a clean morning as well, but it lacks the same punch. After that, the forecast gets grim again with onshore winds and shorter period swells through the second week. There’s a weak pulse of north-west swell around the 12th and 13th of August, but the wind is iffy and the energy is just moderate (around 399-430). It’s too far out to trust. For now, the 3rd of August morning is your only real winner.
Rusty signing off.
Short Range ForecastModerate rain (total 14mm), heaviest on Thu morning. Very mild (max 15°C on Wed morning, min 11°C on Wed night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sat afternoon. Very mild (max 14°C on Sat morning, min 10°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | |||||||||||||||
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 8 | NNW 9 | NNW 8 | N 8 | NNW 7 | NNW 6 | NNW 7 | W 7 | W 6 | N 8 | NNW 8 | W 8 | WNW 8 | WNW 8 | NNW 8 | N 11 | N 11 | N 11 | N 10 | N 10 | N 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 382 | 286 | 159 | 191 | 70 | 82 | 86 | 60 | 48 | 69 | 96 | 341 | 226 | 120 | 171 | 746 | 785 | 566 | 332 | 262 | 165 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | on | on | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross | cross-off | cross | cross | cross-off | cross | cross |
High Tide | 8:00PM3.37m | 8:23AM3.13m | 8:31PM3.48m | 8:56AM3.18m | 9:02PM3.53m | 9:28AM3.20m | 9:33PM3.53m | 10:00AM3.19m | 10:04PM3.47m | 10:35AM3.14m | 10:39PM3.36m | 11:12AM3.05m | 11:19PM3.21m | ||||||||
Low Tide | 1:48PM0.61m | 2:16AM0.40m | 2:21PM0.52m | 2:49AM0.29m | 2:53PM0.48m | 3:21AM0.24m | 3:25PM0.49m | 3:54AM0.23m | 3:58PM0.54m | 4:27AM0.29m | 4:34PM0.63m | 5:03AM0.40m | 5:13PM0.75m | ||||||||
 | |  |  | |  |  |  |  | | | | | | | | | | | | | |
 | 5:09 | — | — | 5:11 | — | — | 5:13 | — | — | 5:15 | — | — | 5:18 | — | — | 5:20 | — | — | 5:22 | — | — |
 | — | — | 9:53 | — | — | 9:52 | — | — | 9:49 | — | — | 9:46 | — | — | 9:45 | — | — | 9:43 | — | — | 9:39 |
mm | 2 | 1 | 2 | 7 | 2 | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 13 | 13 | 12 | 12 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 13 | 13 | 12 |
Feels °C | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 9 | 10 | 11 | 10 | 11 | 9 | 8 | 8 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | W 8 | NNW 9 | NNW 8 | W 7 | NNW 7 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | WNW 6 | NNW 8 | N 8 | WNW 8 | WNW 8 | NNW 8 | N 11 | N 11 | N 11 | N 10 | N 10 | N 9 |
| kJ | 382 | 286 | 159 | 39 | 70 | 82 | 86 | 37 | 29 | 56 | 96 | 49 | 226 | 120 | 171 | 746 | 785 | 566 | 332 | 262 | 165 |
Swell 2 Height (m) Direction Period (s) | N 9 | W 8 | WSW 8 | SSE 3 | NNE 8 | N 8 | W 5 | N 8 | N 7 | N 8 | NNE 9 | NNE 8 | NNW 8 | NNW 8 | WNW 7 | NNW 9 | WNW 6 | W 9 | WNW 8 | W 9 | WNW 6 |
| kJ | 59 | 186 | 75 | 1 | 68 | 46 | 19 | 29 | 26 | 69 | 25 | 22 | 109 | 112 | 48 | 71 | 12 | 14 | 11 | 14 | 27 |
Swell 3 Height (m) Direction Period (s) | NNW 11 | N 9 | NNE 9 | — | W 7 | — | N 8 | — | W 11 | NNE 8 | WSW 10 | NW 8 | NNE 8 | NNE 8 | WSW 8 | W 6 | W 9 | SW 9 | W 9 | WNW 7 | W 9 |
| kJ | 11 | 41 | 26 | — | 28 | — | 31 | — | 2 | 11 | 19 | 10 | 13 | 11 | 14 | 20 | 15 | 3 | 14 | 10 | 13 |
Wind waves Height (m) Direction Period (s) | SSW 4 | SSW 4 | SSW 3 | N 8 | — | W 6 | — | W 7 | W 6 | WSW 2 | W 6 | W 8 | — | — | — | — | — | — | — | — | — |
| kJ | 9 | 3 | 2 | 191 | — | 59 | — | 60 | 48 | 1 | 41 | 341 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 278 | 199 | 6 | 125 | 767 | 337 | 337 | 337 | 107 | 733 | 1392 | 107 | 14 | 14 | 13 | 0 | 14 | 14 | 0 | 84 | 14 |
Best forecast wave conditions in Outer Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Barvas (Lewis) Surf forecast
The above surf forecast table for Barvas (Lewis) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barvas (Lewis) can be found by selecting the local surf guide option on the grey menu. Our Barvas (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 (Barvas (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 Barvas (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 Barvas (Lewis), camping, hotels and holiday cottages in Outer Hebrides, consider staying in Stornoway which is 20 km (12 miles) away.
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