
Surf Forecasts:
Back Strands surf forecast from 8 Aug 2026:
- Best quality surf: Monday 10 Aug, 7AM (local time) - 2.5ft (0.8m), 8s period, WNW swell with glassy winds.
- Most powerful swell: Saturday 8 Aug, 7AM (local time) - 4.5ft (1.4m), 10s period, W swell with 361 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 7AM (local time) - 2.5ft (0.8m), 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 Monday (Aug 10) at 7AM. The primary swell is predicted to be 0.8m and 8s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Back Strands in the next 16 days are 1.4m 10s and forecast to arrive on Saturday (Aug 08) 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 0.5m 3s period and expected on Saturday (Aug 08) at 10AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Mon 10th Aug) | 2.5ft (0.8m) 8s |
| Best Surf | 7AM (Mon 10th Aug) | 2.5ft (0.8m) 8s |
| Most Powerful | 7AM (Sat 8th Aug) | 4.5ft (1.4m) 10s |
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 cooking for Back Strands over the next couple of weeks. I gotta be straight with you – it’s a pretty lean stretch, with a lot of flat spells and messy conditions. There’s no real standout in the first week, but toward the end of the two-week window, we might see a pulse of energy.
The first real chance to get wet comes in on Saturday the 8th of August. We’ve got a weak WNW swell pushing in at about 4ft, but the period is only 9 seconds – not a lot of grunt behind it. The combined energy is a modest 308 (moderate), and the water temp is about average for the time of year, so nothing crazy there. Saturday morning has a cross-off wind from the S at 12 mph, making for a clean surface, but the score is low and conditions are marginal. The afternoon stays pretty average with a cross-shore breeze chopping things up.
Sunday the 9th and Monday the 10th are pretty flat. Sunday morning goes offshore but the swell drops to 4ft, and the wind is straight onshore by the afternoon. Monday morning sees the swell shrink to 2ft, but the late afternoon on Monday is interesting – a glassy, windless spell with 2ft waves from the WNW. It’s ordinary, but if you’re desperate, you might get a few clean little rollers.
From Tuesday the 11th right through to the end of the second week, the forecast is mostly poor. There’s a gap of several days with no real surf on offer. The swell drops to barely a ripple – 1.0ft and 0.7ft on Tuesday, with weak energy values like 19 and 20. That’s pretty much flat. It stays small through the middle of the month, with onshore winds and chop making it a write-off.
Then, around Friday the 21st of August, we start to see a change. A bigger WNW swell builds in, reaching 6ft to 7ft with a 9-second period and combined energy jumping to 588 and 609 (strong). That’s a solid pulse of energy. The wind is cross-off from the SSW, which keeps the surface clean. This is the best window in the whole outlook. Saturday the 22nd sees even more size – 7ft from the WNW – but the wind swings cross-on at 16 mph, so it’ll be choppy and messy. That’s one for the experts only, and honestly, it’s more of a kite-surfing setup with that strong wind.
Thursday the 20th of August is a quiet little moment – glassy calm winds and 1ft waves, but it’s just too small to get excited about.
So, the pick of the two weeks is Friday the 21st of August. The swell is 6ft to 7ft from the W, the period is 9 seconds, and with a clean cross-off breeze, it’ll be the most surfable day. Just keep in mind the crowds are *sometimes* an issue at Back Strands, but with conditions so poor for so long, it might not be too packed. This is a reef break, and the W swell direction is a good match for the optimum direction. It’s not a perfect day, but it’s the best we’ve got.
Stay patient, and check the forecasts again – these long-range calls can shift. Rusty out.
Short Range ForecastLight rain (total 9mm), mostly falling on Sat morning. Very mild (max 19°C on Mon afternoon, min 13°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Tue afternoon, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||
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) | WNW 9 | W 9 | W 9 | W 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 7 | W 12 | W 11 | WSW 10 | WSW 9 | W 11 | W 10 | W 10 | W 9 | W 9 | W 9 | WNW 8 |
Wave Graph | |||||||||||||||||||||
308 | 276 | 256 | 235 | 169 | 122 | 67 | 45 | 31 | 9 | 12 | 61 | 32 | 28 | 86 | 133 | 156 | 134 | 126 | 127 | 109 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | on | cross-on | cross-on | cross-off | glassy | cross-off | off | cross-off | off | off | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:23PM2.69m | 3:01AM2.68m | 3:43PM2.92m | 4:18AM2.84m | 4:48PM3.24m | 5:19AM3.04m | 5:41PM3.57m | 6:10AM3.21m | 6:28PM3.84m | 6:55AM3.32m | 7:11PM4.00m | 7:36AM3.37m | 7:52PM4.02m | ||||||||
Low Tide | 7:52AM0.97m | 8:42PM1.01m | 9:16AM0.88m | 10:04PM0.77m | 10:22AM0.67m | 11:06PM0.47m | 11:16AM0.43m | 11:58PM0.19m | 12:02PM0.22m | 00:44AM-0.01m | 12:45PM0.08m | 1:26AM-0.10m | 1:25PM0.02m | 2:05AM-0.08m | |||||||
5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | |
— | — | 9:21 | — | — | 9:19 | — | — | 9:16 | — | — | 9:15 | — | — | 9:13 | — | — | 9:09 | — | — | 9:07 | |
mm | 3 | 2 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 15 | 17 | 15 | 14 | 14 | 14 | 15 | 19 | 19 | 21 | 25 | 23 | 22 | 21 | 19 | 17 | 17 | 15 | 15 | 15 | 14 |
Feels °C | 12 | 15 | 13 | 13 | 11 | 12 | 14 | 17 | 16 | 19 | 24 | 21 | 21 | 20 | 20 | 16 | 15 | 13 | 13 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | W 9 | W 9 | W 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 7 | W 7 | W 11 | WSW 10 | WSW 9 | W 11 | W 10 | W 10 | — | W 9 | W 9 | WNW 8 |
308 | 276 | 256 | 235 | 169 | 122 | 67 | 45 | 31 | 8 | 3 | 61 | 32 | 28 | 86 | 133 | 156 | — | 126 | 127 | 109 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | NNW 11 | NW 11 | NNW 10 | NW 7 | WNW 7 | NW 7 | N 6 | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | 12 | 29 | 9 | 9 | 5 | 2 | 1 | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 10 | W 9 | W 12 | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | 2 | 2 | 12 | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | S 3 | — | — | — | — | — | — | — | — | SE 2 | — | S 3 | SSE 3 | — | — | — | — | W 9 | — | — | — |
6 | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | — | — | 134 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 10 | 53 | 22 | 117 | 53 | 51 | 0 | 0 | 7 | 7 | 36 | 7 | 7 | 36 | 15 | 27 | 453 | 27 | 427 | 793 | 282 |
Best forecast wave conditions in Sligo | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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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.











