Surf Forecasts:
Machir Bay (Islay) surf forecast from 23 Jun 2026:
- Best quality surf: Thursday 25 Jun, 1PM (local time) - 3.5ft (1.1m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Monday 29 Jun, 7AM (local time) - 10ft (3.0m), 12s period, W swell with 2,629 kJ wave energy.
- Next surfable swell (1★+): Thursday 25 Jun, 1AM (local time) - 2.5ft (0.7m), 8s period with W swell.
Best Forecast Surf Conditions for Machir Bay (Islay) this week:
The surf forecast for Machir Bay (Islay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jun 25) at 1AM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.1m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Machir Bay (Islay) in the next 16 days are 3.0m 12s and forecast to arrive on Monday (Jun 29) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Tuesday (Jun 30) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Thu 25th Jun) | 2.5ft (0.7m) 8s |
| Best Surf | 1PM (Thu 25th Jun) | 3.5ft (1.1m) 10s |
| Most Powerful | 7AM (Mon 29th Jun) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Machir Bay (Islay) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Thu night. Warm (max 20°C on Thu afternoon, min 13°C on Tue afternoon). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Fri afternoon. Very mild (max 18°C on Fri afternoon, min 12°C on Sun night). Winds increasing (light winds from the NE on Fri afternoon, strong winds from the SE by Sat morning). | ||||||||||||||||||||
Tue 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 4 | W 6 | W 6 | W 8 | W 8 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | WSW 8 | W 10 | W 12 | WNW 12 | W 12 | W 10 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 30 | 15 | 28 | 54 | 184 | 257 | 161 | 125 | 87 | 60 | 53 | 57 | 90 | 159 | 408 | 1857 | 2377 | 1520 | 676 | 288 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | glassy | cross-off | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross-on | on | on | cross-on | cross-off |
High Tide | 1:50AM2.13m | 2:20PM1.96m | 2:54AM2.09m | 3:25PM2.03m | 3:49AM2.10m | 4:17PM2.13m | 4:36AM2.15m | 5:02PM2.25m | 5:17AM2.22m | 5:41PM2.35m | 5:55AM2.29m | 6:19PM2.45m | 6:30AM2.35m | ||||||||
Low Tide | 7:17PM0.75m | 8:06AM0.85m | 8:24PM0.81m | 9:03AM0.82m | 9:26PM0.81m | 9:55AM0.75m | 10:20PM0.76m | 10:41AM0.67m | 11:08PM0.69m | 11:23AM0.58m | 11:50PM0.62m | 12:01PM0.50m | 00:28AM0.57m | 12:38PM0.42m | |||||||
 |  | |  |  | |  |  |  | | | | | | | | | | | |  | |
 | — | — | 4:41 | — | — | 4:41 | — | — | 4:41 | — | — | 4:41 | — | — | 4:43 | — | — | 4:43 | — | — | 4:43 |
 | — | 10:14 | — | — | 10:14 | — | — | 10:14 | — | — | 10:14 | — | — | 10:14 | — | — | 10:14 | — | — | 10:14 | 10:13 |
mm | — | — | — | — | — | — | 6 | 10 | 3 | 1 | — | — | 2 | 1 | — | — | 1 | — | — | — | — |
Temp °C | 16 | 13 | 14 | 16 | 15 | 19 | 20 | 17 | 15 | 18 | 15 | 15 | 16 | 15 | 13 | 13 | 13 | 13 | 13 | 14 | 14 |
Feels °C | 14 | 12 | 13 | 15 | 14 | 16 | 20 | 15 | 13 | 19 | 10 | 8 | 10 | 13 | 8 | 7 | 6 | 8 | 10 | 12 | 8 |
Swell 1 Height (m) Direction Period (s) | WNW 6 | W 6 | W 6 | W 8 | W 8 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 12 | W 10 | W 12 | WNW 12 | W 12 | W 10 | W 9 |
| kJ | 4 | 30 | 15 | 28 | 54 | 184 | 257 | 161 | 122 | 87 | 60 | 53 | 57 | 90 | 96 | 308 | 1688 | 2315 | 1520 | 676 | 288 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 8 | W 11 | W 10 | — | N 3 | — | W 10 | NNW 5 | NNW 5 | W 16 | SSE 4 | SE 5 | SE 4 | SSE 5 | — | — | — | — | — |
| kJ | 6 | 6 | 5 | 2 | 2 | — | 1 | — | 125 | 22 | 5 | 5 | 7 | 4 | 2 | 3 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 8 | W 14 | W 12 | — | — | — | — | — | SE 4 | — | W 16 | W 16 | SE 6 | WNW 8 | SE 5 | — | — | — | — | — | — |
| kJ | 1 | 4 | 3 | — | — | — | — | — | 1 | — | 5 | 5 | 8 | 7 | 7 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | — | — | — | — | NNE 2 | — | NNW 4 | NNW 5 | SE 2 | SSE 4 | SE 4 | SW 4 | SSW 3 | WSW 8 | W 10 | W 12 | W 12 | — | — | S 3 |
| kJ | 7 | — | — | — | — | 1 | — | 13 | 39 | 1 | 10 | 44 | 7 | 1 | 159 | 408 | 1857 | 2377 | — | — | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 231 | 310 | 71 | 333 | 86 | 0 | 16 | 0 | 59 | 16 | 0 | 93 | 249 | 93 | 16 | 286 | 340 | 349 | 65 | 59 | 14 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Machir Bay (Islay) Surf forecast
The above surf forecast table for Machir 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 Machir Bay (Islay) can be found by selecting the local surf guide option on the grey menu. Our Machir 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 (Machir 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 Machir 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 Machir Bay (Islay), camping, hotels and holiday cottages in Inner Hebrides, consider staying in Motherwell which is 50 km (31 miles) away. Other places in and around Inner Hebrides where you can find information about places to rent, and car hire include Campbeltown which is 65 km (40 miles) away, Ballycastle, Tarbert and Ballypatrick.
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