
Surf Forecasts:
Ersary beach (Barra) surf forecast from 9 Sep 2026:
- Best quality surf: Sunday 13 Sep, 7AM (local time) - 5ft (1.6m), 11s period, WNW swell with glassy winds.
- Most powerful swell: Saturday 12 Sep, 7AM (local time) - 11ft (3.5m), 10s period, WSW swell with 2,697 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 7AM (local time) - 5ft (1.6m), 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 1.6m and 11s period with a secondary swell of 1.1m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Ersary beach (Barra) in the next 16 days are 3.5m 10s and forecast to arrive on Saturday (Sep 12) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Thursday (Sep 10) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sun 13th Sep) | 5ft (1.6m) 11s |
| Best Surf | 7AM (Sun 13th Sep) | 5ft (1.6m) 11s |
| Most Powerful | 7AM (Sat 12th Sep) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Ersary beach (Barra) over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let's be straight with you. The next couple of weeks are looking pretty grim for a proper surf. We've got a long, bumpy stretch of wind and lumpy, messy waves ahead. We're not going to see any magic for a while, so let's just get through the forecast.
We start things off on Wednesday morning. Ersary beach (Barra) is seeing a small 4ft of west swell, but it's been chopped up by a cross-onshore breeze. The afternoon doesn't get any better, with the swell dropping slightly to 4ft and the wind shifting to a messy cross-shore. Not worth getting wet for.
The wind is going to be the main story for the next few days. Thursday brings a strong blow with near-gale winds, and the surf drops right off. We're looking at a tiny 0.7ft on Thursday morning, then nothing at all by the afternoon. This is a total blank period.
Friday, we see the swell start to build again, but the wind is still a problem. The morning brings a solid 8ft of west-southwest swell, but a fresh cross-onshore is going to make it lumpy and ugly. The combined swell energy is 2039, which is a lot of juice, but it's all for nothing with the wind. The afternoon has a bit less size at 8ft but the same story - messy. Definitely not a day for the faint of heart, and really, a day for no one.
Saturday is a washout. The swell is still there, around 8ft, but with a strong onshore wind it's just going to be a complete mess, and the energy is very strong at 3477. This is more about surviving the washing machine than getting a clean wave.
Then things go quiet again. Sunday morning is a little tease, with the swell dropping to 5ft and a light offshore wind finally showing up. The report says it could be very clean, and the energy is moderate at 749. This is the first real highlight of the whole window. The swell direction is west-northwest, which is close to the west-northwest optimum for this spot. It's a decent size, but the morning might offer the best chance to get a few clean ones before the breeze swings around.
But that's it for the good stuff for a while. The rest of Sunday, through Monday, and into Tuesday is a write-off. The wind is back up, strong, and the swell is all over the place. It's just a lot of energy and nowhere for it to go but messy.
We get another little pulse of swell on the 15th, but it’s another average, bumpy affair. The onshore wind is back and the waves are lumpy. The next real glimmer is on Sunday, the 20th. This is our second standout. The swell is up to a solid 6ft and, more importantly, we've got a light south-east cross-offshore wind that should keep things clean. The energy is a solid 854, which is moderate. This looks like the better of the two clean windows we get. The west-southwest swell is right on the money for the optimum direction.
The final week really drops off. The wind comes back with a vengeance from the 21st, and the swell gets smaller and smaller until it's just a dribble by the 23rd and 24th, when gale-force winds completely blow things out. There's nothing to get excited about.
So, summing it all up: we have two windows of opportunity. Sunday the 13th looks like a quick, clean morning session. But the best bet is Sunday the 20th morning and afternoon, which looks like the pick of the fortnight with clean conditions and a decent swell. Beyond that, it's a waiting game.
Keep the board in the car for the 20th, and I’ll see you in the water.
Rusty
Short Range ForecastModerate rain (total 18mm), heaviest on Thu morning. Very mild (max 14°C on Wed night, min 12°C on Wed morning). Winds increasing (light winds from the W on Wed morning, gales from the S by Fri night). | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Sun night. Very mild (max 16°C on Mon morning, min 12°C on Sat night). Winds increasing (calm on Sat night, strong winds from the SSW by Mon afternoon). | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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 9 | W 8 | W 7 | WSW 11 | SW 9 | WSW 10 | WSW 9 | WSW 10 | W 13 | W 13 | W 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | NW 12 | NNW 12 | SW 9 | WSW 10 | WSW 10 | W 8 |
Wave Graph | |||||||||||||||||||||
220 | 161 | 88 | 12 | 0 | 1124 | 1145 | 1042 | 1909 | 2287 | 1539 | 913 | 561 | 307 | 143 | 38 | 46 | 840 | 697 | 517 | 411 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off | on | cross-on | on | cross-off | cross | cross-off | cross | cross | cross-on | cross-on | on | on |
High Tide | 5:55PM3.38m | 6:18AM3.31m | 6:37PM3.58m | 6:56AM3.46m | 7:16PM3.69m | 7:33AM3.53m | 7:52PM3.68m | 8:07AM3.52m | 8:26PM3.58m | 8:41AM3.43m | 9:00PM3.40m | 9:13AM3.27m | 9:33PM3.16m | ||||||||
Low Tide | 11:38AM0.33m | 00:06AM0.18m | 12:20PM0.09m | 00:46AM0.01m | 12:58PM-0.06m | 1:22AM-0.06m | 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 | |||||||
6:47 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | |
— | 8:06 | — | — | 8:02 | — | — | 8:00 | — | — | 7:58 | — | — | 7:54 | — | — | 7:52 | — | — | 7:49 | — | |
mm | — | — | 1 | 5 | 1 | — | — | — | 11 | — | — | — | — | — | 6 | 3 | — | 9 | — | — | — |
Temp °C | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 15 | 15 | 14 | 13 | 12 |
Feels °C | 9 | 8 | 8 | 6 | 8 | 8 | 7 | 7 | 3 | 6 | 8 | 11 | 12 | 11 | 7 | 8 | 7 | 9 | 8 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | W 7 | WSW 11 | — | — | WSW 9 | W 12 | W 13 | SW 10 | SW 10 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 8 | NNW 12 | SE 5 | NNW 10 | NNW 10 | N 10 |
220 | 161 | 88 | 12 | — | — | 1145 | 112 | 1909 | 947 | 597 | 913 | 561 | 307 | 143 | 37 | 46 | 11 | 21 | 10 | 2 | |
Swell 2 Height (m) Direction Period (s) | NNW 8 | NNW 8 | N 7 | WSW 11 | — | — | — | WNW 12 | SW 9 | W 12 | SW 10 | SW 10 | SW 9 | SW 9 | NNW 10 | NNW 10 | NW 12 | NNW 11 | NW 11 | NW 10 | — |
70 | 19 | 4 | 12 | — | — | — | 323 | 52 | 1109 | 380 | 334 | 188 | 135 | 35 | 36 | 21 | 23 | 4 | 4 | — | |
Swell 3 Height (m) Direction Period (s) | — | SW 10 | SW 12 | — | — | — | — | — | — | WSW 11 | — | — | — | NW 13 | NW 13 | NW 12 | — | — | — | — | — |
— | 4 | 6 | — | — | — | — | — | — | 81 | — | — | — | 45 | 59 | 38 | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | SW 2 | SSW 5 | S 7 | SW 9 | WSW 10 | WSW 10 | WSW 10 | SSW 6 | W 13 | W 12 | — | — | — | SW 9 | SSW 8 | SW 9 | SW 9 | WSW 10 | WSW 10 | W 8 |
— | 1 | 48 | 627 | 984 | 1124 | 894 | 1042 | 229 | 2287 | 1539 | — | — | — | 152 | 292 | 861 | 840 | 697 | 517 | 411 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 69 | 147 | 195 | 252 | 235 | 304 | 318 | 184 | 252 | 370 | 194 | 71 | 0 | 67 | 190 | 195 | 147 | 245 | 209 | 325 | 500 |
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.










