Surf Forecasts:
Lossit Bay (Islay) surf forecast from 17 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 7PM (local time) - 4.5ft (1.4m), 11s period, W swell with cross-offshore winds.
- Most powerful swell: Thursday 17 Sep, 10PM (local time) - 16ft (5.0m), 14s period, W swell with 9,441 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 10PM (local time) - 5ft (1.6m), 10s period with W swell.
Best Forecast Surf Conditions for Lossit Bay (Islay) this week:
The surf forecast for Lossit Bay (Islay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 21) at 10PM. The primary swell is predicted to be 1.6m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Lossit Bay (Islay) in the next 16 days are 5.0m 14s and forecast to arrive on Thursday (Sep 17) at 10PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Thursday (Sep 24) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Mon 21st Sep) | 5ft (1.6m) 10s |
| Best Surf | 7PM (Tue 22nd Sep) | 4.5ft (1.4m) 11s |
| Most Powerful | 10PM (Thu 17th Sep) | 16ft (5.0m) 14s |
Table - best surf conditions forecast for Lossit Bay (Islay) over the next 16 days.
Short Range ForecastModerate rain (total 16mm), heaviest on Fri morning. Very mild (max 15°C on Fri afternoon, min 12°C on Fri morning). Mainly near gales. | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Sun night. Very mild (max 18°C on Tue afternoon, min 11°C on Sun night). Winds decreasing (strong winds from the WNW on Sun morning, calm by Mon night). | ||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||
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) | W 10 | W 13 | W 14 | WNW 13 | WNW 12 | W 11 | W 10 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 10 | W 10 | W 10 | W 15 | W 14 | W 13 | WNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2903 | 8453 | 7330 | 3953 | 2671 | 1888 | 2757 | 3868 | 4614 | 3471 | 2380 | 1388 | 857 | 716 | 494 | 443 | 476 | 1976 | 2009 | 1514 | 944 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-off | on | on | cross | cross-off | cross-off | on | cross-on | cross | cross |
High Tide | 9:31PM1.84m | 9:56AM1.83m | 10:09PM1.63m | 10:52AM1.63m | 11:13PM1.45m | 1:11PM1.52m | 2:01AM1.42m | 3:09PM1.66m | 3:20AM1.59m | 3:55PM1.87m | 4:01AM1.79m | 4:29PM2.09m | |||||||||
Low Tide | 3:23PM0.68m | 3:30AM0.72m | 4:08PM0.89m | 4:20AM0.88m | 5:34PM1.07m | 6:09AM1.00m | 8:02PM1.10m | 8:22AM0.94m | 9:39PM0.97m | 9:36AM0.77m | 10:25PM0.79m | 10:20AM0.58m | 10:57PM0.62m | ||||||||
 |  |  |  | |  | |  | | | |  | | |  | | | |  | | | |
 | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — |
 | — | 7:38 | — | — | 7:37 | — | — | 7:34 | — | — | 7:30 | — | — | 7:29 | — | — | 7:25 | — | — | 7:22 | — |
mm | 2 | — | — | 5 | 4 | 4 | 1 | — | — | — | — | 4 | — | — | — | — | 1 | 4 | — | — | — |
Temp °C | 13 | 13 | 14 | 13 | 15 | 15 | 13 | 13 | 13 | 13 | 13 | 15 | 16 | 15 | 17 | 17 | 18 | 18 | 12 | 12 | 12 |
Feels °C | 3 | 2 | 5 | 6 | 8 | 8 | 3 | 2 | 3 | 4 | 7 | 10 | 12 | 12 | 18 | 15 | 16 | 17 | 5 | 6 | 9 |
Swell 1 Height (m) Direction Period (s) | — | — | — | WNW 13 | WNW 12 | SSE 6 | — | — | — | — | — | W 12 | W 12 | WNW 11 | W 10 | W 10 | W 10 | W 15 | W 14 | W 13 | WNW 12 |
| kJ | — | — | — | 3953 | 2352 | 4 | — | — | — | — | — | 1388 | 857 | 643 | 494 | 443 | 476 | 1976 | 2009 | 1514 | 944 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SE 5 | — | — | — | — | — | — | — | — | — | — | — | W 19 | — | — | — | — |
| kJ | — | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | 7 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 10 | W 13 | W 14 | W 13 | W 12 | W 11 | W 10 | W 11 | W 12 | W 12 | W 12 | — | — | W 11 | — | S 2 | SSE 3 | — | WNW 5 | — | — |
| kJ | 2903 | 8453 | 7330 | 3884 | 2671 | 1888 | 2757 | 3868 | 4614 | 3471 | 2380 | — | — | 716 | — | 1 | 1 | — | 32 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 330 | 828 | 448 | 54 | 57 | 734 | 837 | 442 | 448 | 216 | 210 | 54 | 181 | 69 | 15 | 11 | 11 | 22 | 465 | 180 | 62 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Lossit Bay (Islay) Surf forecast
The above surf forecast table for Lossit Bay (Islay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lossit Bay (Islay) can be found by selecting the local surf guide option on the grey menu. Our Lossit Bay (Islay) 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 (Lossit Bay (Islay)) 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 Lossit Bay (Islay) 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 Inner Hebrides? If you are looking for accommodation near Lossit Bay (Islay), camping, hotels and holiday cottages in Inner Hebrides, consider staying in Motherwell which is 53 km (33 miles) away. Other places in and around Inner Hebrides where you can find information about places to rent, and car hire include Ballycastle which is 59 km (37 miles) away, Ballypatrick, Campbeltown and Coleraine.
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