
Surf Forecasts:
Machir Bay (Islay) surf forecast from 29 Sep 2026:
- Most powerful swell: Thursday 1 Oct, 7AM (local time) - 11ft (3.5m), 15s period, W swell with 4,849 kJ wave energy.
Best Forecast Surf Conditions for Machir Bay (Islay) this week:
The most powerful waves expected at Machir Bay (Islay) in the next 16 days are 3.5m 15s and forecast to arrive on Thursday (Oct 01) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Tuesday (Sep 29) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Thu 1st Oct) | 11ft (3.5m) 15s |
Table - best surf conditions forecast for Machir Bay (Islay) over the next 16 days.
Short Range ForecastHeavy rain (total 24mm), heaviest during Tue night. Very mild (max 17°C on Tue afternoon, min 11°C on Thu morning). Winds decreasing (near gales from the SE on Tue night, moderate winds from the SSW by Thu night). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Sat night. Very mild (max 15°C on Sat afternoon, min 11°C on Sat morning). Winds increasing (light winds from the W on Fri night, strong winds from the SSW by Sat night). | ||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | |||||||||||||||
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 | WSW 11 | WSW 12 | WSW 10 | WSW 14 | W 14 | W 14 | W 12 | W 12 | W 12 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 10 | W 9 | W 10 |
Wave Graph | |||||||||||||||||||||
212 | 125 | 38 | 58 | 54 | 3180 | 4238 | 2802 | 1392 | 1207 | 895 | 695 | 661 | 650 | 1371 | 1160 | 970 | 883 | 723 | 586 | 787 | |
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 | cross | cross-off | cross | cross | on | cross-on | cross | cross-off | cross | on | cross-on | cross | cross-on | on | on |
High Tide | 7:51PM2.87m | 8:07AM2.75m | 8:27PM2.69m | 8:46AM2.61m | 9:07PM2.45m | 9:31AM2.41m | 9:55PM2.18m | 10:32AM2.19m | 11:04PM1.92m | 12:10PM2.04m | 1:04AM1.79m | 2:14PM2.12m | 2:51AM1.92m | ||||||||
Low Tide | 1:31PM0.02m | 1:52AM0.13m | 2:09PM0.14m | 2:29AM0.26m | 2:51PM0.34m | 3:11AM0.45m | 3:43PM0.59m | 4:05AM0.67m | 4:55PM0.85m | 5:25AM0.86m | 6:46PM0.99m | 7:14AM0.88m | 8:35PM0.89m | ||||||||
7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | |
— | 7:07 | — | — | 7:05 | — | — | 7:01 | — | — | 7:00 | — | — | 6:57 | — | — | 6:53 | — | — | 6:52 | — | |
mm | — | — | 22 | — | 1 | — | — | — | 1 | — | — | 1 | — | — | 4 | 1 | — | — | 3 | 5 | — |
Temp °C | 14 | 17 | 17 | 15 | 15 | 14 | 13 | 15 | 14 | 14 | 14 | 13 | 12 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 12 |
Feels °C | 5 | 7 | 7 | 6 | 5 | 7 | 6 | 7 | 7 | 11 | 11 | 10 | 7 | 10 | 9 | 10 | 10 | 12 | 10 | 9 | 2 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | WSW 11 | WSW 12 | WSW 10 | WSW 14 | W 14 | W 14 | W 12 | W 12 | W 12 | W 11 | W 10 | W 10 | W 11 | W 10 | SSE 5 | WNW 11 | WNW 10 | WNW 9 | WNW 10 |
212 | 125 | 38 | 58 | 54 | 3180 | 4238 | 2802 | 1392 | 1207 | 895 | 695 | 661 | 650 | 1107 | 1006 | 2 | 808 | 627 | 506 | 631 | |
Swell 2 Height (m) Direction Period (s) | — | — | W 10 | — | WSW 12 | — | — | — | — | SSE 5 | SSE 6 | — | — | — | — | SSE 4 | — | — | — | — | — |
— | — | 2 | — | 50 | — | — | — | — | 11 | 4 | — | — | — | — | 2 | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | WSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SSE 7 | SSE 5 | SSE 5 | S 4 | S 4 | S 4 | SSE 4 | — | — | — | — | SSW 3 | W 10 | W 10 | W 10 | W 11 | W 10 | W 9 | W 10 |
178 | 228 | 342 | 97 | 138 | 33 | 17 | 16 | 34 | — | — | — | — | 2 | 1371 | 1160 | 970 | 883 | 723 | 586 | 787 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 273 | 319 | 623 | 228 | 234 | 61 | 61 | 66 | 66 | 14 | 14 | 61 | 14 | 14 | 455 | 65 | 63 | 14 | 223 | 624 | 624 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
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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.










