Surf Forecasts:
Ersary beach (Barra) surf forecast from 12 Sep 2026:
- Best quality surf: Wednesday 16 Sep, 4PM (local time) - 7ft (2.1m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Saturday 19 Sep, 7PM (local time) - 15ft (4.5m), 13s period, W swell with 6,979 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 7AM (local time) - 5ft (1.5m), 11s period with WNW swell.
Best Forecast Surf Conditions for Ersary beach (Barra) this week:
The surf forecast for Ersary beach (Barra) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 13) at 7AM. The primary swell is predicted to be 1.5m and 11s period with a secondary swell of 1.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ersary beach (Barra) in the next 16 days are 4.5m 13s and forecast to arrive on Saturday (Sep 19) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 8s period and expected on Saturday (Sep 19) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sun 13th Sep) | 5ft (1.5m) 11s |
| Best Surf | 4PM (Wed 16th Sep) | 7ft (2.1m) 10s |
| Most Powerful | 7PM (Sat 19th Sep) | 15ft (4.5m) 13s |
Table - best surf conditions forecast for Ersary beach (Barra) over the next 16 days.
The Lowdown
Right then, let's have a look at what's on offer.
Alright, I'm not gonna lie to you – it's a rough start. For the next week and a half, Ersary Beach is gettin' hammered by strong winds and messy conditions. We've got solid swell in the water, but it's all blown out, cross-onshore junk for the most part. The combined wave energy is moderate to strong through this period, but it doesn't matter a damn when the wind's howling. You'll be lookin' at a lot of close-outs and chop.
There’s a bit of a glimmer on the afternoon of Wednesday the 16th. The wind eases off to a gentle breeze, going cross-offshore, and we get some clean 7ft surf from the west. The period is an okay 10 seconds. It's a nice little window for the experienced surfer, but it's just a one-off before the next system rolls in.
Then things get interesting, but not for the right reasons for most of us. On Monday the 21st, we're lookin' at a massive 16ft swell from the west-southwest, with a very long 14-second period. The energy readings are off the charts. The wind and tide line up, and it's clean, but this is a real warning. 16ft is far too big for beginners, and at that size, it's only for the top-tier experts. Ersary is an exposed beach, so a long period groundswell like this will be breaking heavy and straight – you'd want to be a seriously experienced paddle surfer, or honestly, this setup looks more interesting for kite surfing than paddle surfing. The same goes for Tuesday the 22nd with a 10ft clean swell.
There's another huge bump right at the end, on Sunday the 27th. This is 15ft with a very long 15-second period and even more energy. Again, it'll be clean and the tides are favorable, but it's simply too big for this spot. A caution for the high-performance crew only, and that's if you're feeling brave. But forecasts that far out are still a bit of a promise.
So, the standout session? It's the window on the Wednesday the 16th afternoon. It's not huge, but it'll be the cleanest and most user-friendly paddle surfing we get. The rest of the time, it's either blown out or way too big. A tough block for the Outer Hebrides.
Stay safe out there.
Rusty
Short Range ForecastHeavy rain (total 27mm), heaviest during Mon afternoon. Very mild (max 15°C on Sun night, min 12°C on Sat night). Winds decreasing (strong winds from the W on Sat morning, light winds from the WSW by Sat night). | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Wed night. Very mild (max 14°C on Tue morning, min 10°C on Wed morning). Winds increasing (calm on Wed morning, strong winds from the W by Thu afternoon). | ||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||
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 11 | W 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | SW 8 | SW 9 | SW 9 | WSW 10 | WSW 10 | W 9 | WSW 10 | W 10 | WSW 7 | WSW 9 | W 12 | W 14 | W 13 | WSW 12 | W 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2763 | 1412 | 730 | 392 | 211 | 64 | 428 | 528 | 551 | 574 | 454 | 614 | 784 | 838 | 455 | 885 | 2845 | 4646 | 2950 | 2047 | 408 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross | cross-off | cross-off | cross | cross | on | cross-on | on | cross-on | cross | cross-off | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on |
High Tide | 7:52PM3.68m | 8:07AM3.52m | 8:26PM3.58m | 8:41AM3.43m | 9:00PM3.40m | 9:13AM3.27m | 9:33PM3.16m | 9:47AM3.06m | 10:07PM2.89m | 10:23AM2.82m | 10:45PM2.62m | 11:07AM2.56m | 11:36PM2.36m | ||||||||
Low Tide | 1:35PM-0.11m | 1:56AM-0.03m | 2:09PM-0.06m | 2:29AM0.09m | 2:43PM0.09m | 3:01AM0.28m | 3:17PM0.32m | 3:33AM0.52m | 3:51PM0.59m | 4:07AM0.78m | 4:29PM0.89m | 4:46AM1.06m | 5:18PM1.18m | ||||||||
 | |  | |  |  |  |  |  |  | | |  | | | | |  |  | | | |
 | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 7:58 | — | — | 7:54 | — | — | 7:52 | — | — | 7:49 | — | — | 7:46 | — | — | 7:44 | — | — | 7:40 | — |
mm | — | — | — | — | — | — | 6 | 11 | 10 | 1 | 2 | — | — | — | 7 | — | — | 2 | 1 | — | 6 |
Temp °C | 14 | 13 | 13 | 13 | 13 | 15 | 14 | 14 | 14 | 14 | 13 | 12 | 11 | 12 | 14 | 12 | 13 | 13 | 13 | 13 | 13 |
Feels °C | 7 | 9 | 11 | 10 | 9 | 9 | 9 | 13 | 10 | 9 | 6 | 6 | 7 | 7 | 8 | 4 | 5 | 6 | 6 | 4 | 2 |
Swell 1 Height (m) Direction Period (s) | — | SW 10 | WNW 12 | WNW 11 | SW 9 | WNW 9 | NW 13 | NNW 12 | SW 9 | NNW 11 | NNW 10 | W 9 | WSW 10 | W 10 | N 9 | N 9 | N 9 | W 14 | W 13 | W 12 | W 11 |
| kJ | — | 652 | 730 | 392 | 211 | 64 | 60 | 28 | 551 | 11 | 10 | 614 | 784 | 838 | 6 | 6 | 2 | 3062 | 2092 | 1048 | 408 |
Swell 2 Height (m) Direction Period (s) | — | SW 9 | SW 9 | SW 9 | WNW 10 | NW 13 | NNW 12 | NW 12 | NW 11 | NW 11 | NW 10 | W 12 | N 9 | — | — | — | — | — | — | — | — |
| kJ | — | 373 | 347 | 275 | 205 | 28 | 30 | 23 | 5 | 5 | 4 | 108 | 2 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NNW 14 | NNW 10 | N 12 | N 12 | SW 12 | — | — | NNW 10 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 18 | 21 | 3 | 3 | 6 | — | — | 9 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 11 | W 12 | — | — | S 3 | SSW 9 | SW 8 | SW 9 | NNW 11 | WSW 10 | WSW 10 | N 10 | — | W 10 | WSW 7 | WSW 9 | W 12 | W 14 | W 13 | WSW 12 | SW 8 |
| kJ | 2763 | 1412 | — | — | 5 | 397 | 428 | 528 | 24 | 574 | 454 | 2 | — | 550 | 455 | 885 | 2845 | 4646 | 2950 | 2047 | 1265 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 209 | 318 | 69 | 67 | 67 | 147 | 147 | 147 | 286 | 504 | 983 | 647 | 69 | 0 | 220 | 432 | 432 | 432 | 194 | 290 | 586 |
Best forecast wave conditions in Outer Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Ersary beach (Barra) Surf forecast
The above surf forecast table for Ersary beach (Barra) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ersary beach (Barra) can be found by selecting the local surf guide option on the grey menu. Our Ersary beach (Barra) 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 (Ersary beach (Barra)) 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 Ersary beach (Barra) 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 Ersary beach (Barra), camping, hotels and holiday cottages in Outer Hebrides, consider staying in Tiree which is 69 km (43 miles) away. Other places in and around Outer Hebrides where you can find information about places to rent, and car hire include Portree which is 86 km (53 miles) away and Mallaig, 99 km (61 miles) away.
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