Machir Bay (Islay) surfForecast / Scot – Inner Hebrides / UK

information circle12 Day Weather and Surf, issued 5 pm Friday 20 Feb 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Machir Bay (Islay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Machir Bay (Islay) sea temperature is
8.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Machir Bay (Islay) this week:

The surf forecast for Machir Bay (Islay) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Feb 23) at 12PM. The primary swell is predicted to be 4.5m and 16s period with a secondary swell of 4.5m and 16s. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Machir Bay (Islay) in the next 12 days are 5.0m 16s and forecast to arrive on Monday (Feb 23) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Wednesday (Feb 25) at 6PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)12PM (Mon 23rd Feb)15ft (4.5m) 16s
Best Surf12PM (Mon 23rd Feb)15ft (4.5m) 16s
Most Powerful 6AM (Mon 23rd Feb)16ft (5.0m) 16s

Table - best surf conditions forecast for Machir Bay (Islay) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 15mm), heaviest on Fri night. Very mild (max 10°C on Sat afternoon, min 7°C on Sun afternoon). Winds increasing (light winds from the S on Fri night, near gales from the WSW by Sun night).

Days 3-6 Weather Summary Heavy rain (total 30mm), heaviest during Tue night. Very mild (max 10°C on Mon night, min 7°C on Mon afternoon). Winds increasing (light winds from the SSE on Tue night, strong winds from the S by Thu morning).

Fri
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
2
0
0
0
0
0
4
2
1
1
0
2
3
2
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3
W
3
W
1.9
WNW
2.5
W
2.5
W
3
W
3
W
4
W
5
W
4
W
2.4
W
2.2
W
2.2
W
1.7
WSW
1.2
W
1.3
W
2.5
W
2.5
W
2.2
W
2.5
W
3.5
W
Period(s) (?)101117161614131616151412121211141414131211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1537207820243892326931193338765512736654622141439143586136467229462647163219932749
Wind
(km/h)
45
W
35
WSW
30
SW
25
S
25
WSW
40
WSW
45
SW
55
SW
50
WSW
20
WSW
30
SE
35
SSE
35
SSE
25
S
20
SE
20
SSE
30
SSE
35
SSW
40
S
30
SW
30
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
on
crosscross-
on
cross-
on
High Tide
/ height (m)
7:18PM
2.73
7:41AM
2.91
7:52PM
2.66
8:16AM
2.75
8:29PM
2.52
8:55AM
2.52
9:12PM
2.33
9:41AM
2.25
10:08PM
2.12
10:49AM
1.97
11:45PM
1.95
12:54PM
1.84
1:58AM
2.03
Low Tide
/ height (m)
1:19AM
-0.01
1:45PM
0.20
1:55AM
0.11
2:21PM
0.33
2:35AM
0.30
3:03PM
0.51
3:24AM
0.54
3:55PM
0.72
4:32AM
0.80
5:12PM
0.91
6:16AM
0.96
7:02PM
0.94
8:13AM
0.90
Fri
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Sunrise--7:37--7:35--7:31--7:30--7:28--7:24--7:22
Sunset5:38--5:42--5:44--5:45--5:47--5:50--5:52--
rain showers
light rain
light rain
light rain
rain showers
part cloud
light rain
rain showers
cloud
light rain
light rain
part cloud
cloud
heavy rain
light rain
rain showers
light rain
cloud
cloud
rain showers
rain showers
Rain (mm)
13132-14-13--15515--11
Temp. °C999109889981010101091098998
Feels °C (?)01353-1-2-2-2352245520131
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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 12 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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