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

information circle48hr Weather and Surf, issued 6 am Monday 25 May 2026 BST
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
10.5° C
(Which is normal for this time of year)

How big are the waves at Machir Bay (Islay) today?

The current surf forecast for Machir Bay (Islay) at 1PM is: 1.6m 13s primary swell from a West direction (forecast issued at 06:00am May 25). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (25 May)5.5ft (1.7m)13s
Afternoon (25 May)5ft (1.6m)12s
Evening (25 May)5ft (1.5m)12s

Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 18°C on Wed night, min 12°C on Mon night). Wind will be generally light.

Monday
25
Tuesday
26
Wednesday
27
Thu
28
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
Rating
(10 max)
3
3
1
1
2
2
2
3
2
3
1
1
1
0
0
1
2
2
1
1
1
0
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
W
14
1.7
W
13
1.6
W
13
1.6
W
13
1.6
W
12
1.6
W
12
1.5
W
12
1.5
W
12
1.6
W
12
1.6
W
12
1.6
W
12
1.6
W
11
1.5
W
11
1.3
W
11
1.2
W
11
1.1
W
11
1.2
WNW
10
1.1
W
10
1
W
10
0.9
W
10
0.7
W
10
0.7
W
10
0.6
W
10
0.5
W
9
Wave Graph
Metric surfscale
Energy kJ
918
976
852
826
759
723
625
625
711
702
690
621
524
379
317
267
318
250
198
158
94
92
67
41
Wind (km/h)
10
SSE
5
S
10
SW
10
WSW
10
WNW
10
N
10
N
10
N
15
N
15
NNE
15
N
20
N
25
NNW
25
N
25
N
20
NNE
10
ENE
15
E
10
SE
10
SSE
15
SE
15
SE
15
E
20
E
cross-off
glassy
cross-on
on
cross-on
cross
cross
cross-off
cross
cross-off
cross
cross
cross
cross
cross
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
2:11PM1.94m
2:52AM2.30m
3:14PM2.05m
3:42AM2.34m
4:04PM2.18m
Low Tide
8:05AM0.83m
8:09PM0.67m
9:03AM0.75m
9:09PM0.64m
9:50AM0.65m
10:00PM0.59m
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:56
4:56
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:46
9:49
9:50
9:52
Temp °C
15
14
14
13
13
13
13
13
12
12
13
14
14
14
14
14
13
12
14
15
16
17
17
18
14
13
12
11
12
11
11
10
9
8
8
9
8
8
8
10
11
9
12
13
14
15
15
15
Swell 1
Height (m)
Direction
Period (s)
1.6
W
14
1.7
W
13
1.6
W
13
1.6
W
13
1.6
W
12
1.6
W
12
1.5
W
12
1.5
W
12
1.6
W
12
1.6
W
12
1.6
W
12
1.6
W
11
1.5
W
11
1.3
W
11
1.2
W
11
1.1
W
11
1.2
WNW
10
1.1
W
10
1
W
10
0.9
W
10
0.7
W
10
0.7
W
10
0.6
W
10
0.5
W
9
Energy kJ
918
976
852
826
759
723
625
625
711
702
690
621
524
379
317
267
318
250
198
158
94
92
67
41
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
4
0.1
W
19
0.4
NW
7
0.4
NW
7
0.4
NW
7
0.4
NW
7
0.3
NW
7
Energy kJ
1
7
19
19
17
12
7
Swell 3
Height (m)
Direction
Period (s)
0.1
W
18
0.1
W
18
0.1
W
18
Energy kJ
6
6
6
Wind waves
Height (m)
Direction
Period (s)
0.3
N
3
0.6
N
4
0.8
NNW
4
0.8
NNW
4
0.2
ESE
2
0.3
SE
2
0.3
ESE
3
0.3
SE
3
0.3
SE
2
0.4
SE
3
Energy kJ
1
9
22
25
1
1
2
1
1
2
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
3
1
2
3
1
3
1
1
3
1
1
2
2
2
1
1
1
1
1
1
Distance (km)
0
0
14
14
71
72
55
0
72
0
72
72
81
72
55
16
0
0
0
0
0
4
0
0
Best forecast wave conditions in Inner Hebrides
Rating
(10 max)
3
3
2
2
3
3
3
3
3
3
3
3
3
3
2
2
2
2
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
4
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
1
1
1
1
Header Global
Rating
(10 max)
4
4
5
5
4
4
4
4
5
5
9
9
9
9
6
7
9
6
8
9
9
9
6
6
  • 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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