Surf Forecasts:
Machir Bay (Islay) surf forecast from 27 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 1PM (local time) - 3.5ft (1.1m), 8s period, W swell with glassy winds.
- Most powerful swell: Monday 27 Jul, 10AM (local time) - 5.5ft (1.7m), 10s period, W swell with 575 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 1PM (local time) - 3.5ft (1.1m), 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 Wednesday (Jul 29) at 1PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.1m and 8s. 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 1.7m 10s and forecast to arrive on Monday (Jul 27) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 2s period and expected on Wednesday (Jul 29) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Wed 29th Jul) | 3.5ft (1.1m) 8s |
| Best Surf | 1PM (Wed 29th Jul) | 3.5ft (1.1m) 8s |
| Most Powerful | 10AM (Mon 27th Jul) | 5.5ft (1.7m) 10s |
Table - best surf conditions forecast for Machir Bay (Islay) over the next 16 days.
Short Range ForecastHeavy rain (total 26mm), heaviest during Mon night. Very mild (max 17°C on Mon night, min 13°C on Sun night). Winds decreasing (strong winds from the SW on Tue morning, calm by Wed morning). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Wed night. Very mild (max 14°C on Thu morning, min 12°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||
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 10 | W 9 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 7 | WNW 4 | WNW 6 | WNW 7 | W 6 | WNW 6 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | NW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 575 | 431 | 288 | 345 | 300 | 253 | 182 | 124 | 74 | 75 | 84 | 25 | 62 | 125 | 66 | 147 | 152 | 79 | 51 | 38 | 26 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | cross-on | cross | cross | cross-on | cross-off | on | on | cross-on | cross-on | on | on | on | on | on | glassy | cross-off | cross-off | cross-off |
High Tide | 5:06AM2.11m | 5:32PM2.31m | 5:43AM2.25m | 6:09PM2.46m | 6:17AM2.38m | 6:42PM2.60m | 6:49AM2.48m | 7:15PM2.70m | 7:20AM2.54m | 7:46PM2.75m | 7:51AM2.56m | 8:18PM2.76m | 8:23AM2.55m | 8:49PM2.72m | |||||||
Low Tide | 11:13AM0.65m | 11:42PM0.68m | 11:51AM0.49m | 00:18AM0.57m | 12:25PM0.35m | 00:50AM0.49m | 12:55PM0.24m | 1:20AM0.43m | 1:25PM0.17m | 1:50AM0.39m | 1:54PM0.15m | 2:20AM0.39m | 2:24PM0.18m | 2:51AM0.41m | |||||||
 |  |  |  | |  |  |  | |  | |  | | | | | |  | | | | |
 | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:31 | — | — |
 | — | — | 9:42 | — | — | 9:39 | — | — | 9:38 | — | — | 9:37 | — | — | 9:35 | — | — | 9:32 | — | — | 9:30 |
mm | — | — | 9 | 2 | 4 | 3 | 2 | 6 | 4 | — | — | — | 1 | 1 | — | — | — | — | — | 2 | 1 |
Temp °C | 15 | 15 | 17 | 16 | 16 | 16 | 15 | 13 | 13 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 12 | 13 | 14 |
Feels °C | 12 | 13 | 12 | 9 | 14 | 14 | 14 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 9 | NW 9 | N 9 | W 8 | W 8 | W 8 | W 8 | NNW 7 | NW 10 | NNW 9 | NW 8 | — | W 11 | W 10 | — | WNW 7 | WNW 7 | WNW 7 | W 9 |
| kJ | 575 | 431 | 288 | 3 | 2 | 253 | 182 | 124 | 74 | 5 | 4 | 8 | 11 | — | 2 | 2 | — | 79 | 51 | 38 | 14 |
Swell 2 Height (m) Direction Period (s) | — | NW 10 | NW 10 | N 9 | SSE 5 | SE 5 | S 6 | N 11 | NNW 9 | — | — | — | S 5 | — | — | — | — | W 9 | W 9 | W 8 | — |
| kJ | — | 4 | 4 | 2 | 2 | 1 | 1 | 2 | 8 | — | — | — | 1 | — | — | — | — | 7 | 13 | 13 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | N 9 | N 9 | N 9 | — | SE 4 | — | — | — | — | — | — | — | — | — | — | W 8 | — |
| kJ | — | — | — | — | 2 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 7 | W 8 | — | S 3 | — | NNW 3 | WNW 8 | WNW 7 | WNW 4 | WNW 6 | WNW 7 | W 6 | WNW 6 | WNW 7 | — | — | — | NW 6 |
| kJ | — | — | — | 345 | 300 | — | 1 | — | 1 | 75 | 84 | 25 | 62 | 125 | 66 | 147 | 152 | — | — | — | 26 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 65 | 61 | 14 | 65 | 61 | 14 | 14 | 4 | 69 | 66 | 360 | 95 | 71 | 329 | 242 | 244 | 1229 | 0 | 62 | 71 | 76 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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