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

information circle48hr Weather and Surf, issued 12 am Friday 15 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
9.8° 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 6AM is: 1.5m 6s primary swell from a North-northwest direction and 0.7m 8s secondary swell from a West-northwest direction, 0.1m 15s secondary swell from a West direction (forecast issued at 12:00am May 15). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (15 May)4.5ft (1.4m)6s
Afternoon (15 May)3.5ft (1.1m)5s
Evening (15 May)2.5ft (0.8m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Sat morning. Mild temperatures (max 9°C on Thu night, min 7°C on Fri night). Winds decreasing (fresh winds from the NNW on Thu night, calm by Fri night).

Friday
15
Saturday
16
Sunday
17
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
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
1
1
2
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.9
NW
7
1.8
NW
7
1.5
NNW
6
1.4
NW
6
1.3
NW
6
0.6
WNW
8
1
NW
8
0.8
WNW
7
0.8
WNW
7
0.7
WNW
7
0.7
WNW
8
0.7
W
8
0.4
W
14
0.5
W
13
0.7
W
13
0.8
W
12
1.8
W
14
1.5
W
13
2.3
W
13
2.4
W
13
2.4
W
12
2.3
W
13
2.1
W
12
2
W
12
Wave Graph
Metric surfscale
Energy kJ
396
313
149
153
119
47
110
66
66
47
60
58
63
90
161
187
1303
796
1729
1854
1777
1686
1308
1129
Wind (km/h)
35
NNW
30
N
30
NNW
30
NNW
25
NNW
25
NNW
25
NW
20
NNW
10
NW
5
NW
10
SSE
20
SSE
25
SSE
30
WNW
25
W
30
W
30
W
25
W
25
SSW
30
S
30
S
30
S
25
SSE
15
SW
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
on
on
on
on
on
cross-on
cross
cross
cross
cross-off
cross-on
High Tide
4:52AM2.74m
5:15PM2.61m
5:35AM2.85m
5:57PM2.76m
6:19AM2.87m
6:41PM2.86m
Low Tide
10:25PM0.32m
10:58AM0.24m
11:10PM0.16m
11:39AM0.12m
11:56PM0.06m
12:21PM0.06m
clear
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
rain showers
cloud
part cloud
part cloud
cloud
cloud
cloud
rain showers
cloud
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:13
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:30
9:31
9:34
2
2
1
1
1
Temp °C
8
8
8
8
8
8
8
8
8
7
7
7
7
9
9
9
9
9
9
8
8
8
8
8
0
0
0
0
1
1
2
3
4
5
4
2
1
2
4
2
2
3
3
1
1
1
2
4
Swell 1
Height (m)
Direction
Period (s)
0.1
W
15
0.1
W
15
0.7
WNW
8
0.6
WNW
8
0.1
W
9
0.6
WNW
8
0.2
W
9
0.8
WNW
7
0.8
WNW
7
0.7
WNW
7
0.7
WNW
8
0.7
W
8
0.7
W
8
0.5
W
13
0.7
W
13
0.8
W
12
0.9
WNW
14
1.5
W
13
2.3
W
13
2.4
W
13
2.4
W
12
2.3
W
13
2.1
W
12
2
W
12
Energy kJ
4
4
70
53
2
47
6
66
66
47
60
58
61
90
161
187
289
796
1729
1854
1777
1686
1308
1129
Swell 2
Height (m)
Direction
Period (s)
0.1
W
15
0.1
W
15
0.1
W
15
0.2
W
9
0.1
W
14
0.3
W
9
0.3
W
9
0.4
W
9
0.1
W
16
0.2
W
15
0.4
W
14
0.4
WNW
13
0.7
WNW
8
0.4
W
15
0.7
WNW
11
Energy kJ
4
4
4
6
4
14
14
24
5
17
63
69
58
71
126
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
0.1
NW
16
Energy kJ
4
10
Wind waves
Height (m)
Direction
Period (s)
1.9
NW
7
1.8
NW
7
1.5
NNW
6
1.4
NW
6
1.3
NW
6
0.9
NNW
5
1
NW
8
0.3
N
4
0.4
S
3
0.8
W
8
1.1
W
7
1.3
W
7
1.8
W
14
1.5
W
7
0.5
S
3
0.5
S
4
0.4
SSE
3
Energy kJ
396
313
149
153
119
45
110
4
2
78
131
154
1303
217
6
6
4
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
4
4
1
1
1
1
1
1
1
1
1
1
2
2
3
3
3
3
2
2
Distance (km)
326
255
368
307
330
271
95
128
71
0
0
16
61
228
231
244
65
65
61
61
61
61
65
14
Best forecast wave conditions in Inner Hebrides
Rating
(10 max)
1
1
1
1
4
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
2
4
4
3
4
3
3
3
3
3
3
2
2
3
3
1
1
4
4
4
4
Header Global
Rating
(10 max)
4
6
5
5
5
5
5
5
5
5
5
4
5
5
5
5
5
4
5
8
8
9
5
4
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Machir Bay (Islay) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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