Surf Forecasts:
Machir Bay (Islay) surf forecast from 11 Nov 2026:
- Best quality surf: Monday 23 Nov, 3AM (local time) - 10ft (3.0m), 9s period, W swell with offshore winds.
- Most powerful swell: Wednesday 18 Nov, 12PM (local time) - 11ft (3.5m), 14s period, W swell with 5,119 kJ wave energy.
- Next surfable swell (1★+): Sunday 22 Nov, 9AM (local time) - 3.5ft (1.1m), 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 (Nov 22) at 9AM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.4m and 15s. 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 3.5m 14s and forecast to arrive on Wednesday (Nov 18) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 7s period and expected on Sunday (Nov 22) at 12PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sun 22nd Nov) | 3.5ft (1.1m) 9s |
| Best Surf | 3AM (Mon 23rd Nov) | 10ft (3.0m) 9s |
| Most Powerful | 12PM (Wed 18th Nov) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Machir Bay (Islay) over the next 16 days.
Short Range ForecastMostly dry. Mild temperatures (max 9°C on Wed afternoon, min 7°C on Tue night). Winds increasing (light winds from the NE on Tue night, strong winds from the N by Wed night). | Days 5-7 Weather SummaryModerate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 13°C on Mon afternoon, min 7°C on Fri night). Winds increasing (light winds from the S on Sat night, gales from the SE by Mon morning). | ||||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | ||||||||||||||
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) | WNW 9 | WSW 14 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NW 9 | NW 8 | W 6 | NW 5 | WSW 5 | SW 5 | NW 9 | NW 15 | NW 10 | WSW 11 | WSW 10 | W 10 | W 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 26 | 20 | 40 | 179 | 140 | 82 | 159 | 64 | 18 | 20 | 43 | 80 | 101 | 109 | 74 | 164 | 380 | 216 | 45 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 6:04AM2.66m | 6:16PM2.51m | 6:37AM2.60m | 6:48PM2.40m | 7:12AM2.49m | 7:21PM2.27m | 7:50AM2.35m | 7:57PM2.12m | 8:34AM2.19m | 8:38PM1.98m | 9:27AM2.06m | 9:31PM1.85m | |||||||
Low Tide | 11:49PM0.26m | 12:11PM0.35m | 00:20AM0.32m | 12:45PM0.47m | 00:52AM0.42m | 1:19PM0.62m | 1:26AM0.53m | 1:56PM0.78m | 2:04AM0.66m | 2:41PM0.95m | 2:51AM0.78m | 3:41PM1.08m | |||||||
 |  | |  | | | | |  | | | | | | | |  |  |  | |
 | — | 7:50 | — | — | 7:54 | — | — | 7:56 | — | — | 7:58 | — | — | 8:00 | — | — | 8:02 | — | — |
 | — | — | 4:25 | — | — | 4:24 | — | — | 4:22 | — | — | 4:21 | — | — | 4:19 | — | — | 4:17 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 12 | 4 |
Temp °C | 8 | 8 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 13 | 12 |
Feels °C | 4 | 3 | 1 | -1 | 0 | 1 | 3 | 4 | 3 | 1 | 2 | 3 | 5 | 5 | 3 | 0 | -4 | 6 | 3 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 8 | WSW 14 | W 12 | NW 13 | NW 8 | NW 12 | WNW 8 | NW 5 | NW 5 | NW 7 | NW 8 | NW 9 | NW 9 | NW 10 | WSW 11 | WSW 10 | W 10 | W 9 |
| kJ | 26 | 14 | 20 | 3 | 7 | 38 | 22 | 7 | 6 | 20 | 43 | 71 | 101 | 59 | 74 | 164 | 380 | 216 | 45 |
Swell 2 Height (m) Direction Period (s) | WSW 15 | WSW 14 | W 8 | — | — | NW 12 | NNW 12 | — | NW 7 | W 15 | W 13 | W 13 | WSW 6 | W 12 | NW 14 | WSW 6 | NW 7 | NW 7 | WNW 7 |
| kJ | 22 | 20 | 5 | — | — | 40 | 13 | — | 9 | 4 | 14 | 13 | 44 | 70 | 73 | 39 | 7 | 19 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | W 8 | — | — | — | — | — | W 16 | — | — | W 10 | WSW 12 | NW 15 | WSW 12 | NW 9 | NW 12 | — | NW 12 |
| kJ | — | — | 1 | — | — | — | — | — | 5 | — | — | 2 | 14 | 109 | 47 | 27 | 22 | — | 6 |
Wind waves Height (m) Direction Period (s) | — | NNW 6 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NW 9 | NW 8 | W 6 | SW 4 | WSW 5 | SW 5 | S 4 | S 5 | SW 5 | S 4 | SSE 4 | SE 4 | SSE 6 |
| kJ | — | 14 | 40 | 179 | 140 | 82 | 159 | 64 | 18 | 12 | 42 | 80 | 27 | 106 | 46 | 14 | 3 | 22 | 58 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 76 | 79 | 220 | 350 | 187 | 213 | 157 | 63 | 61 | 71 | 66 | 66 | 14 | 61 | 62 | 62 | 273 | 969 | 273 |
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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