Ersary beach (Barra) Surf Break

Lat Long: 57.03° N 7.46° W

Ersary beach (Barra) Surf Forecast and Surf Report

Issued: 6 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ersary beach (Barra) sea temperature is
14.2°C
0.5° 

Ersary beach (Barra) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


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 TypeTime (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 Forecast

Moderate 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 Summary

Moderate 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
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
0
2
3
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
W
9
1.1
W
8
0.9
W
7
0.2
WSW
11
2.4
SW
9
2.4
WSW
10
2.5
WSW
9
2.4
WSW
10
2.4
W
13
2.5
W
13
2.3
W
12
1.8
WNW
12
1.6
WNW
11
1.3
WNW
10
0.9
WNW
9
0.4
NW
12
0.4
NNW
12
2.2
SW
9
1.9
WSW
10
1.7
WSW
10
1.7
W
8
Wave Graph
Metric surfscale
Energy kJ
220
161
88
12
0
1124
1145
1042
1909
2287
1539
913
561
307
143
38
46
840
697
517
411
Wind (km/h)
15
W
20
SW
40
S
50
S
35
SW
35
W
30
W
35
SSW
45
SSE
40
WNW
25
W
10
NW
5
SE
15
SW
35
S
45
SSW
50
SSW
25
WSW
35
WSW
30
W
30
WNW
Wind State
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
cloud
cloud
light rain
light rain
rain showers
part cloud
clear
part cloud
heavy rain
clear
clear
cloud
clear
part cloud
rain showers
light rain
cloud
rain showers
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:48
6:50
6:52
6:54
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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