Back Strands Surf Break

Lat Long: 54.45° N 8.49° W

Back Strands Surf Forecast and Surf Report

Issued: 12 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Back Strands sea temperature is
16.3°C
1.9° 

Back Strands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Back Strands surf forecast from 8 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 7AM (local time) - 4.5ft (1.4m), 11s period, WNW swell with glassy winds.
  • Most powerful swell: Saturday 12 Sep, 1AM (local time) - 6.5ft (2.0m), 13s period, WNW swell with 1,377 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 9 Sep, 1PM (local time) - 3.5ft (1.0m), 8s period with WNW swell.

Best Forecast Surf Conditions for Back Strands this week:

The surf forecast for Back Strands over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 1PM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Back Strands in the next 16 days are 2.0m 13s and forecast to arrive on Saturday (Sep 12) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Thursday (Sep 10) at 10AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Wed 9th Sep)3.5ft (1.0m) 8s
Best Surf 7AM (Sun 13th Sep)4.5ft (1.4m) 11s
Most Powerful 1AM (Sat 12th Sep)6.5ft (2.0m) 13s

Table - best surf conditions forecast for Back Strands over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s on the cards for Back Strands over the next couple of weeks. Honestly, it’s a tough stretch. The water’s sitting at 61°, which is a touch warmer than normal for this time of year, but that’s about the only bright spot for a while.

The first real chance of a surfable wave doesn’t show up until Thursday the 10th of September, and even then it’s small. The morning brings a clean 3ft swell from the west, with a light cross-offshore breeze. That’s about as good as it gets in this opening run, but with combined energy sitting at just 155, it’s weak. It’s rideable, but don’t expect much push.

Friday the 11th is a bit of a write-off – onshore breezes and messy conditions. Saturday the 12th morning has a bigger 5ft swell from the west-northwest with a long 13-second period, and clean cross-offshore wind. The energy jumps to 828, which is moderate. That’s a standout, but the strong breeze in the afternoon and a score of just 1 means it’s only just surfable. Not worth getting too excited over.

We then hit a flat patch from Sunday the 13th through to Wednesday the 16th. Waves are small, mostly under 3ft, and conditions are ordinary at best. There’s a brief moment on Thursday the 17th afternoon when the wind goes glassy and the swell is tiny at 2ft from the west-northwest. It’s clean but weak, with energy at just 96. If you’re desperate for a splash, you could go, but it’s hardly pumping.

Friday the 18th offers a little more hope – gentle offshore winds in the afternoon, 3ft swell from the west-northwest, and clean conditions. Still small, but at least it’s tidy.

Then things get interesting again on Sunday the 20th. A solid 6ft west swell rolls in, with a long 12-second period and combined energy hitting 997. That’s a proper groundswell. But the wind is cross-onshore and choppy, so it’s messy. This setup would be better for a point break or reef than a beach break, because long-period swells can close out. For Back Strands, it’s likely too big and too choppy for most, definitely expert territory. Not one for beginners.

The run finishes up with more wind and bigger waves on Monday the 22nd – 10ft from the west-northwest at 12 seconds and energy over 2300. But it’s blown out by a near gale cross-onshore wind. That’s kite surfing territory, not paddle surfing.

So overall, there’s no real classic day in this window. Thursday the 10th morning is your best bet for a clean, small wave session. If you’re after size and don’t mind mess, Sunday the 20th has the most power, but it won’t be pretty. This is a lean period for Back Strands – sometimes it just goes quiet like this. Forecasts can change, but right now it’s a waiting game.

Rusty.

Short Range Forecast

Light rain (total 9mm), mostly falling on Mon night. Very mild (max 17°C on Thu afternoon, min 13°C on Mon night). Winds decreasing (strong winds from the W on Mon night, light winds from the SSW by Wed afternoon).

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Very mild (max 18°C on Sat morning, min 13°C on Thu night). Winds decreasing (strong winds from the SW on Sat morning, calm by Sat night).

Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
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
1
0
0
0
0
0
0
3
1
0
0
2
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)
2.5
WNW
10
2.4
WNW
10
1.7
WNW
10
1.3
WNW
9
0.9
WNW
8
0.8
WNW
8
1
W
9
1.1
W
10
0.6
W
10
1.4
WNW
9
1.4
WNW
10
2
WNW
13
1.8
WNW
13
1.7
WNW
13
1.5
W
12
1.2
WNW
11
1
WNW
10
0.8
WNW
9
0.5
W
8
1
W
11
1.2
W
10
Wave Graph
Metric surfscale
Energy kJ
1351
1145
586
249
119
75
152
249
69
318
363
1377
1127
931
650
313
214
115
32
233
311
Wind (km/h)
40
WNW
40
NW
20
NW
15
W
15
SSW
20
S
25
S
25
WSW
30
WNW
25
WNW
15
W
20
S
30
SSW
30
WSW
10
WNW
10
SSE
25
S
15
SSW
20
S
20
SSW
20
SW
Wind State
on
on
on
cross-on
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-off
cross-off
cross
cross-on
off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
4:20AM2.77m
4:39PM3.34m
5:13AM3.02m
5:27PM3.64m
5:57AM3.22m
6:09PM3.85m
6:36AM3.37m
6:48PM3.94m
7:12AM3.45m
7:25PM3.90m
7:47AM3.46m
8:00PM3.74m
8:20AM3.39m
8:34PM3.49m
Low Tide
10:16AM0.72m
11:03PM0.38m
11:05AM0.45m
11:47PM0.12m
11:47AM0.23m
00:25AM-0.05m
12:26PM0.09m
1:01AM-0.11m
1:03PM0.03m
1:34AM-0.07m
1:39PM0.07m
2:06AM0.07m
2:15PM0.19m
2:37AM0.27m
rain showers
rain showers
part cloud
part cloud
cloud
cloud
part cloud
rain showers
part cloud
clear
part cloud
light rain
rain showers
light rain
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:54
6:56
6:58
7:00
7:01
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:08
8:06
8:04
8:00
7:59
7:55
7:53
 mm
2
2
2
1
2
2
47
Temp °C
14
14
13
14
15
13
15
17
14
14
15
13
18
16
15
16
18
17
20
21
18
Feels °C
6
6
7
10
12
9
11
13
10
9
13
10
12
11
13
15
15
15
18
19
17
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Back Strands Surf forecast

The above surf forecast table for Back Strands provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Back Strands can be found by selecting the local surf guide option on the grey menu. Our Back Strands 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 (Back Strands) 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 Back Strands 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 Sligo? If you are looking for accommodation near Back Strands, camping, hotels and holiday cottages in Sligo, consider staying in Sligo which is 19 km (12 miles) away. Other places in and around Sligo where you can find information about places to rent, and car hire include Killybegs which is 21 km (13 miles) away, Enniskillen, Ballina and Letterkenny.

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