Surf Forecasts:
Machir Bay (Islay) surf forecast from 14 Jun 2026:
- Best quality surf: Thursday 18 Jun, 4PM (local time) - 4ft (1.2m), 9s period, W swell with glassy winds.
- Most powerful swell: Thursday 18 Jun, 4AM (local time) - 5ft (1.6m), 9s period, WSW swell with 374 kJ wave energy.
- Next surfable swell (1★+): Sunday 14 Jun, 10PM (local time) - 2.5ft (0.8m), 9s 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 Sunday (Jun 14) at 10PM. The primary swell is predicted to be 0.8m and 9s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Machir Bay (Islay) in the next 16 days are 1.6m 9s and forecast to arrive on Thursday (Jun 18) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Monday (Jun 15) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sun 14th Jun) | 2.5ft (0.8m) 9s |
| Best Surf | 4PM (Thu 18th Jun) | 4ft (1.2m) 9s |
| Most Powerful | 4AM (Thu 18th Jun) | 5ft (1.6m) 9s |
Table - best surf conditions forecast for Machir Bay (Islay) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Tue night. Very mild (max 15°C on Sun night, min 11°C on Sun morning). Winds decreasing (fresh winds from the SE on Mon afternoon, light winds from the NW by Tue night). | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Fri afternoon. Very mild (max 15°C on Wed afternoon, min 12°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||
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 9 | W 9 | W 9 | W 10 | W 9 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | WSW 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 7 | W 7 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 266 | 164 | 71 | 38 | 48 | 41 | 93 | 117 | 161 | 245 | 250 | 307 | 287 | 240 | 189 | 122 | 111 | 80 | 94 | 57 | 43 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | glassy | cross-off | cross-off | cross-off | glassy | cross-on | on | on |
High Tide | 5:42PM2.69m | 6:06AM2.69m | 6:31PM2.83m | 6:53AM2.69m | 7:21PM2.90m | 7:40AM2.64m | 8:10PM2.91m | 8:26AM2.54m | 9:00PM2.84m | 9:13AM2.41m | 9:52PM2.71m | 10:02AM2.26m | 10:45PM2.55m | ||||||||
Low Tide | 11:18AM0.25m | 11:44PM0.20m | 12:06PM0.15m | 00:37AM0.15m | 12:55PM0.09m | 1:30AM0.17m | 1:43PM0.08m | 2:22AM0.26m | 2:32PM0.11m | 3:16AM0.39m | 3:22PM0.20m | 4:10AM0.54m | 4:15PM0.33m | ||||||||
 |  |  |  |  |  | | | | | |  | | |  | |  | | | |  | |
 | 4:41 | — | — | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — |
 | — | — | 10:10 | — | — | 10:10 | — | — | 10:12 | — | — | 10:13 | — | — | 10:13 | — | — | 10:13 | — | — | 10:14 |
mm | — | — | — | — | 1 | 1 | — | 2 | 5 | — | — | — | — | — | 4 | 1 | 10 | 3 | — | — | — |
Temp °C | 12 | 14 | 15 | 13 | 12 | 13 | 13 | 14 | 12 | 13 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 |
Feels °C | 9 | 12 | 13 | 8 | 6 | 9 | 8 | 9 | 11 | 9 | 12 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 11 | 10 | 7 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | W 9 | W 10 | W 9 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | WSW 9 | W 9 | W 9 | W 9 | W 9 | SE 4 | W 8 | W 7 | W 7 | W 7 |
| kJ | 266 | 164 | 71 | 38 | 48 | 41 | 93 | 117 | 161 | 245 | 250 | 307 | 287 | 240 | 189 | 122 | 3 | 80 | 94 | 57 | 43 |
Swell 2 Height (m) Direction Period (s) | — | NW 8 | NNW 5 | NNW 5 | — | W 12 | — | — | SSE 4 | S 6 | SSE 3 | — | — | — | SSE 3 | — | SE 5 | SE 5 | N 10 | NW 10 | NW 9 |
| kJ | — | 17 | 4 | 2 | — | 3 | — | — | 2 | 1 | 1 | — | — | — | 1 | — | 14 | 1 | 2 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 5 | W 7 | — | — | — | — | S 5 | — | — | — | — | — | — | — | S 5 | N 7 | N 7 |
| kJ | — | — | — | — | 1 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | NW 7 | — | — | SE 3 | SSE 4 | SSE 3 | SE 3 | SE 3 | — | S 2 | S 3 | SSW 3 | S 4 | S 3 | — | SE 3 | W 8 | — | — | — | — |
| kJ | 53 | — | — | 4 | 15 | 7 | 3 | 5 | — | 1 | 1 | 3 | 9 | 6 | — | 6 | 111 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 81 | 16 | 0 | 76 | 76 | 76 | 71 | 71 | 0 | 14 | 0 | 14 | 14 | 0 | 16 | 71 | 14 | 60 | 71 | 81 | 71 |
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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