Ersary beach (Barra) Surf Break

Lat Long: 57.03° N 7.46° W

Ersary beach (Barra) Surf Forecast and Surf Report

Issued: 12 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ersary beach (Barra) sea temperature is
14.7° C
0.4° 

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 20 Aug 2026:

  • Best quality surf: Monday 24 Aug, 7PM (local time) - 5ft (1.5m), 10s period, W swell with offshore winds.
  • Most powerful swell: Monday 24 Aug, 7AM (local time) - 6ft (1.8m), 11s period, W swell with 741 kJ wave energy.
  • Next surfable swell (1★+): Monday 24 Aug, 7PM (local time) - 5ft (1.5m), 10s period with W 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 Monday (Aug 24) at 7PM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.4m and 12s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Ersary beach (Barra) in the next 16 days are 1.8m 11s and forecast to arrive on Monday (Aug 24) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Wednesday (Aug 26) at 7AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Mon 24th Aug)5ft (1.5m) 10s
Best Surf 7PM (Mon 24th Aug)5ft (1.5m) 10s
Most Powerful 7AM (Mon 24th Aug)6ft (1.8m) 11s

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


The Lowdown

Alright, this is Rusty, checking in from the Outer Hebrides, and I’ve got to be straight with you—the next couple of weeks are looking pretty grim for a paddle. We’ve got a long stretch of nothing much on the cards.

For the first few days, from Thursday the 20th through to the end of the weekend on Sunday the 23rd, it’s a complete write-off. The wind is howling from the north and north-west, gusting up to 25 mph, and it’s all cross-shore or cross-onshore, making a proper mess of things. The swell is small, weak, and short-period—mostly around 1 ft to 5 ft, but with wind like that, it’s just chop. The combined energy is pitiful, sitting between 46 and 206 (weak to moderate), and the water temp is 59°F, which is pretty much normal for this time of year. Nothing to get excited about.

Then we hit a bit of a dry spell. From Monday the 24th through to the end of the month, the swell drops right off. We’re talking ankle-slappers, 0.7 ft to 2 ft, with next to no energy—most days the combined energy is under 100 (weak). The wind does swing offshore or cross-off a few times, which would be great for clean conditions, but there’s just no wave to work with.

The one bright spot, and I mean the *only* one in this whole 16-day window, is Monday the 24th of August. That morning you’ll see a pulse of west swell push in at 6 ft, with a period of 11 seconds (a proper groundswell), and the combined energy jumps to 657 (strong). By the afternoon it’s still holding at 5 ft and 10 seconds, energy at 552 (strong). The wind is light and cross-off from the SSE, so the face will be clean. This is the best we’ve got, no question. But be warned—this is a long-period west swell hitting an exposed beach break. It’ll have some punch, with longer lulls between sets. It’s not a beginner wave at that size, and the long period can make it close out fast on a beach. Still, for a surfer who knows what they’re doing, Monday the 24th is your window.

After that, it’s back to tiny, weak surf and messy wind right through to the end of the forecast. A couple of spots in early September show a bit of a bump—like the 2nd of September has a 6 ft north-northeast swell, but with a short 6-second period and onshore wind, it’s just a choppy mess. Not worth the drive.

So, to sum it up: five days of poor surf, then a long gap of tiny waves, with one standout morning on Monday the 24th. If you miss that, you’re waiting a long time. But hey, forecasts can change, and this area can flick a switch when you least expect it.

Rusty, signing off.

Short Range Forecast

Mostly dry. Very mild (max 15°C on Sat afternoon, min 12°C on Thu morning). Winds decreasing (strong winds from the NNE on Thu morning, light winds from the WNW by Fri night).

Days 4-6 Weather Summary

Some drizzle, heaviest during Tue night. Very mild (max 18°C on Tue afternoon, min 13°C on Sun morning). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
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
0
0
0
0
2
2
2
2
1
0
1
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
WSW
10
1.3
N
5
1.1
N
5
0.9
NNW
5
0.7
NW
5
0.4
SW
8
0.4
SW
10
0.4
SW
9
1
WNW
6
0.9
WNW
6
1.1
W
8
1.6
W
10
1.7
W
11
1.6
W
10
1.2
WSW
10
0.9
WSW
9
0.8
WSW
9
0.6
SW
9
0.5
SW
8
0.4
NNW
12
0.6
SW
8
Wave Graph
Metric surfscale
Energy kJ
102
87
56
46
27
18
24
25
68
55
146
551
649
541
282
113
106
65
35
47
40
Wind (km/h)
40
NNE
35
N
30
NNE
25
N
25
NNW
15
WNW
20
NW
25
W
20
W
20
SW
20
SW
20
S
25
SSE
15
SSE
20
E
25
ESE
25
ESE
20
ESE
25
E
20
E
15
NE
Wind State
cross
cross
cross
cross-on
cross-on
on
on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
High Tide
11:57AM2.56m
00:28AM2.39m
1:05PM2.38m
1:51AM2.25m
2:43PM2.33m
3:33AM2.28m
4:12PM2.45m
4:43AM2.45m
5:08PM2.66m
5:29AM2.66m
5:49PM2.89m
6:05AM2.87m
6:23PM3.10m
Low Tide
6:09PM1.15m
6:39AM1.27m
7:33PM1.34m
8:14AM1.37m
9:16PM1.34m
9:47AM1.27m
10:30PM1.17m
10:48AM1.06m
11:18PM0.95m
11:31AM0.82m
11:55PM0.72m
12:06PM0.58m
00:28AM0.50m
clear
clear
part cloud
part cloud
part cloud
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cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
rain showers
part cloud
clear
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:07
6:09
6:11
6:13
6:16
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:59
8:55
8:53
8:51
8:49
8:45
8:43
 mm
1
Temp °C
12
12
12
12
13
14
14
15
15
13
13
13
13
15
17
16
18
17
15
17
16
Feels °C
3
4
5
6
8
10
11
11
11
10
9
10
9
12
13
11
13
14
10
15
13
  • 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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