Ersary beach (Barra) Surf Break

Lat Long: 57.03° N 7.46° W

Ersary beach (Barra) Surf Forecast and Surf Report

Issued: 12 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ersary beach (Barra) sea temperature is
14.6° C
0.3° 

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 16 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 1PM (local time) - 7ft (2.1m), 11s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 19 Aug, 4AM (local time) - 8ft (2.5m), 10s period, W swell with 1,375 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 10PM (local time) - 3ft (0.9m), 6s period with SW 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 (Aug 16) at 10PM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.4m and 7s. 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 2.5m 10s and forecast to arrive on Wednesday (Aug 19) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 8s period and expected on Tuesday (Aug 18) at 1AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 16th Aug)3ft (0.9m) 6s
Best Surf 1PM (Wed 19th Aug)7ft (2.1m) 11s
Most Powerful 4AM (Wed 19th Aug)8ft (2.5m) 10s

Table - best surf conditions forecast for Ersary beach (Barra) over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s break down what’s happening at Ersary Beach on Barra. It’s a real mixed bag, so let’s get into it.

The next week is looking pretty bleak. There’s a lot of onshore wind and weak, short-period swell. The wave energy is weak, with readings mostly under 100 (like 88 and 73). Nothing to get the heart racing.

Your first real chance comes on Monday the 17th. We’ve got a small 0.9m swell from the WSW with a 9-second period. The wind goes light offshore from the ESE, and the energy creeps up to a moderate 133. It’s not big, but it’s clean. A proper beginner wave, but at least it’s surfable.

Then the wind turns on us. Tuesday the 18th sees a jump in size to 1.8m and 2.2m, but it’s coming with a fresh cross-onshore wind. The energy gets lumpy, and even though the numbers look better (up to 759), it’s poor quality. We get another pulse on Wednesday the 19th, with a 2.3m WSW swell and a longer 11-second period. The energy is strong at 1230, but the cross-shore wind makes it tricky. The afternoon cleans up with an east wind, leaving a clean 1.9m wave. That’s a better option.

After that, it’s a flat spell. From Thursday the 20th through to Tuesday the 26th, it’s tiny and messy, with energy readings dropping below 100 again. We’re talking knee-high slop with a lot of northerly wind. This is about a week of nothing.

Now, as we head into the second week, the long-range models start showing something with a bit more promise. Thursday the 27th sees a modest 1.3m WSW swell with a 9-second period and light cross-offshore winds from the south. Energy picks up to a moderate 202, and it looks clean. A step in the right direction.

Friday the 28th looks big on paper, with a strong 2.2m WSW swell and an energy reading of 1434, but the wind is howling from the SSE at 45 km/h. That’s a wild one, and probably too much wind for a clean session.

The real standout is Saturday the 29th. The morning shows a 1.4m WNW groundswell at 11 seconds with light cross-offshore winds. Energy is strong at 880. But the afternoon is the one to circle: a clean 2.1m WSW swell, a 10-second period, and it’s glassy with only a slight air. That’s the best wave of the whole forecast right there.

Sunday the 30th is a different story. The swell is big, up to 2.5m in the morning, but it’s predicted to be too big for this break. Energy is very strong at 1552. The afternoon pushes to a huge 3.5m, which is well over the limit for any normal fun. That’s expert territory only. Monday the 31st stays at that massive 3.5m with a 12-second period and an energy of 3823, but it’s messy. For the average surfer, this is a time to stay on the beach.

So, to sum it up: get on it Monday morning for a tiny one if you’re desperate, keep Wednesday afternoon in mind, but truly, hold out for Saturday the 29th. That’s the standout. Everything after that is for the big-wave crew only.

Rusty out.

Short Range Forecast

Moderate rain (total 14mm), heaviest on Mon afternoon. Very mild (max 15°C on Mon afternoon, min 13°C on Sat night). Winds increasing (light winds from the ESE on Sun night, fresh winds from the W by Mon night).

Days 4-6 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Very mild (max 15°C on Wed afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the WSW on Tue night, light winds from the SE by Wed morning).

Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
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
1
1
0
0
0
0
0
2
2
0
0
0
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)
0.8
WNW
7
0.9
SW
5
1.1
SW
8
0.9
WSW
9
0.8
WSW
8
0.1
N
6
1.8
WSW
7
2.2
WSW
9
2.3
WSW
10
2.3
WSW
11
1.9
WSW
10
1.3
WSW
10
0.8
WSW
9
0.7
W
9
1
N
5
0.4
WSW
9
0.4
SW
9
0.4
SW
8
0.3
WSW
8
0.4
SW
10
0.4
SW
10
Wave Graph
Metric surfscale
Energy kJ
69
39
166
129
86
1
316
749
1082
1230
778
295
110
76
51
30
20
18
14
25
24
Wind (km/h)
20
SSW
20
S
10
ESE
15
ESE
25
S
35
W
30
W
35
WSW
35
SW
15
SSW
20
E
20
NNE
35
N
30
N
30
NNE
35
NNE
30
N
25
NNE
15
N
15
NW
15
NNW
Wind State
cross
cross-off
off
off
cross-off
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross
cross
cross-on
cross
cross
cross
cross
cross-on
on
cross-on
High Tide
9:14AM3.38m
9:35PM3.45m
9:51AM3.22m
10:12PM3.20m
10:28AM3.01m
10:50PM2.92m
11:08AM2.79m
11:33PM2.64m
11:57AM2.56m
00:28AM2.39m
1:05PM2.38m
1:51AM2.25m
2:43PM2.33m
3:33AM2.28m
Low Tide
3:16PM0.08m
3:39AM0.26m
3:53PM0.30m
4:15AM0.50m
4:32PM0.57m
4:53AM0.77m
5:15PM0.87m
5:37AM1.04m
6:09PM1.15m
6:39AM1.27m
7:33PM1.34m
8:14AM1.37m
9:16PM1.34m
cloud
cloud
part cloud
light rain
mod rain
light rain
part cloud
cloud
rain showers
light rain
clear
cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:58
6:01
6:03
6:05
6:07
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:08
9:06
9:04
9:00
8:59
8:55
8:53
 mm
1
9
2
5
3
Temp °C
13
13
14
14
15
15
14
14
14
14
15
14
13
13
13
12
12
12
12
13
13
Feels °C
10
10
13
11
12
10
9
8
7
12
12
10
6
6
6
5
5
6
9
11
11
  • 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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