Surf Forecasts:
Ersary beach (Barra) surf forecast from 18 Oct 2026:
- Best quality surf: Monday 19 Oct, 1PM (local time) - 10ft (3.0m), 15s period, WSW swell with cross-offshore winds.
- Most powerful swell: Sunday 25 Oct, 9PM (local time) - 18ft (5.5m), 17s period, W swell with 16,688 kJ wave energy.
- Next surfable swell (1★+): Monday 19 Oct, 1PM (local time) - 10ft (3.0m), 15s period with WSW 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 (Oct 19) at 1PM. The primary swell is predicted to be 3.0m and 15s period with a secondary swell of 1.1m and 10s. 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 5.5m 17s and forecast to arrive on Sunday (Oct 25) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Sunday (Oct 25) at 3AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Mon 19th Oct) | 10ft (3.0m) 15s |
| Best Surf | 1PM (Mon 19th Oct) | 10ft (3.0m) 15s |
| Most Powerful | 9PM (Sun 25th Oct) | 18ft (5.5m) 17s |
Table - best surf conditions forecast for Ersary beach (Barra) over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Tue afternoon. Very mild (max 12°C on Mon night, min 9°C on Sun afternoon). Winds decreasing (near gales from the ESE on Tue night, light winds from the SE by Wed morning). | Days 5-7 Weather SummaryHeavy rain (total 28mm), heaviest during Wed afternoon. Very mild (max 10°C on Wed afternoon, min 8°C on Wed afternoon). Mainly gales. | |||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||
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) | WSW 14 | SW 12 | W 15 | W 14 | W 14 | W 13 | WSW 13 | W 12 | W 13 | W 13 | W 13 | W 12 | WSW 11 | WSW 11 | WSW 12 | WSW 11 | WSW 14 | W 13 | W 12 | W 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2342 | 1493 | 1487 | 3071 | 2315 | 1684 | 1968 | 1234 | 1247 | 4199 | 2138 | 1117 | 911 | 1675 | 1763 | 2926 | 6943 | 5123 | 2973 | 639 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | on | cross-on | cross-on | cross-on | cross-off | cross-on | on | on | cross-on | cross-off |
High Tide | 00:18AM2.23m | 1:12PM2.28m | 1:59AM2.22m | 2:45PM2.36m | 3:18AM2.37m | 3:47PM2.56m | 4:10AM2.60m | 4:31PM2.80m | 4:50AM2.85m | 5:08PM3.05m | 5:26AM3.10m | 5:44PM3.28m | ||||||||
Low Tide | 5:57PM1.34m | 6:37AM1.36m | 7:46PM1.37m | 8:23AM1.29m | 9:10PM1.21m | 9:31AM1.08m | 10:01PM0.96m | 10:18AM0.82m | 10:41PM0.70m | 10:56AM0.57m | 11:17PM0.44m | 11:31AM0.33m | 11:51PM0.22m | |||||||
 |  |  | |  |  |  |  |  |  |  | |  | | | | | | | | |
 | — | — | 8:10 | — | — | 8:11 | — | — | 8:14 | — | — | 8:15 | — | — | 8:18 | — | — | 8:21 | — | — |
 | 6:20 | — | — | 6:17 | — | — | 6:15 | — | — | 6:13 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — |
mm | — | — | — | — | — | 1 | 6 | 5 | — | 13 | 5 | — | 4 | 2 | 2 | 1 | 1 | — | — | 2 |
Temp °C | 9 | 10 | 10 | 11 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 11 | 12 |
Feels °C | 2 | 2 | 2 | 3 | 5 | 4 | 4 | -1 | 6 | 8 | 0 | 3 | 3 | 3 | 4 | 2 | 0 | 4 | 5 | 1 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | SW 12 | W 15 | W 14 | W 14 | W 13 | WSW 13 | W 12 | W 13 | — | W 13 | W 12 | SW 15 | WSW 11 | WSW 12 | — | — | — | W 12 | W 11 |
| kJ | 2342 | 1493 | 1487 | 3071 | 2315 | 1684 | 1968 | 1234 | 1247 | — | 1401 | 625 | 54 | 1162 | 937 | — | — | — | 2973 | 639 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | W 18 | WSW 11 | — | — | — | — | — | SW 12 | — | — | NNW 7 | SW 15 | — | — | — | — | — | — | NW 13 |
| kJ | 13 | 160 | 411 | — | — | — | — | — | 689 | — | — | 21 | 34 | — | — | — | — | — | — | 42 |
Swell 3 Height (m) Direction Period (s) | — | N 12 | — | — | — | — | — | — | SE 4 | — | — | — | NNW 7 | — | — | — | — | — | — | — |
| kJ | — | 3 | — | — | — | — | — | — | 12 | — | — | — | 9 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | SSW 11 | SSE 5 | SSE 6 | S 6 | S 6 | SE 5 | — | W 13 | W 13 | W 12 | WSW 11 | WSW 11 | WSW 12 | WSW 11 | WSW 14 | W 13 | — | SSE 6 |
| kJ | 20 | 27 | 903 | 53 | 154 | 175 | 108 | 103 | — | 4199 | 2138 | 1117 | 911 | 1675 | 1763 | 2926 | 6943 | 5123 | — | 363 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 67 | 184 | 147 | 68 | 159 | 159 | 130 | 190 | 0 | 68 | 184 | 194 | 751 | 194 | 68 | 130 | 148 | 557 | 194 | 209 |
Best forecast wave conditions in Outer Hebrides | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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