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

information circle48hr Weather and Surf, issued 6 pm Monday 18 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 slightly cooler than normal)

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

The current surf forecast for Machir Bay (Islay) at 10PM is: 1.1m 10s primary swell from a West direction (forecast issued at 06:00pm May 18). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (18 May)--
Afternoon (18 May)4.5ft (1.4m)11s
Evening (18 May)4ft (1.2m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 20mm), heaviest during Mon night. Very mild (max 15°C on Thu morning, min 9°C on Mon afternoon). Winds decreasing (strong winds from the SE on Mon night, light winds from the SW by Wed night).

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
3
1
0
0
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)
1.4
W
11
1.2
W
10
1.1
W
10
1
W
10
0.8
W
10
0.7
W
10
0.6
W
9
0.6
W
9
0.4
WNW
9
0.6
W
9
0.4
W
16
0.8
W
16
1.1
W
15
1.6
W
14
2.2
WSW
14
2.3
WSW
13
2
W
13
1.8
W
13
1.5
W
12
1.4
W
12
1.3
W
12
1.2
W
11
1
W
11
1
W
11
Wave Graph
Metric surfscale
Energy kJ
434
290
239
194
122
92
64
58
27
56
84
314
538
1057
1859
1765
1376
1070
657
555
456
357
242
233
Wind (km/h)
30
SE
35
SE
40
SE
45
ESE
50
SE
40
SE
25
SE
30
SE
30
SE
20
SE
15
SSE
15
SSW
20
SW
25
SSW
35
SW
25
WSW
25
WSW
15
SW
15
SW
15
SE
25
SE
30
SSE
25
S
20
S
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross
cross-on
cross-on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross
cross-off
High Tide
7:26PM2.88m
7:47AM2.70m
8:13PM2.83m
8:34AM2.52m
9:05PM2.71m
9:24AM2.32m
Low Tide
1:04PM0.06m
1:32AM0.11m
1:49PM0.12m
2:24AM0.26m
2:38PM0.23m
3:21AM0.45m
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
clear
clear
part cloud
cloud
cloud
light rain
light rain
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:05
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:35
9:37
9:38
9:40
2
5
1
1
1
1
2
1
1
1
1
3
Temp °C
10
9
9
9
9
10
10
11
11
11
11
10
10
10
11
11
11
11
11
12
12
12
14
15
3
1
0
-1
-1
3
5
5
5
7
8
7
5
5
4
6
6
7
8
10
8
6
9
11
Swell 1
Height (m)
Direction
Period (s)
1.4
W
11
1.2
W
10
1.1
W
10
1
W
10
0.8
W
10
0.7
W
10
0.6
W
9
0.6
W
9
0.4
WNW
9
0.6
W
9
0.7
WSW
9
0.8
W
16
1.1
W
15
1.6
W
14
1.5
W
14
1.4
W
13
2
W
13
1.8
W
13
1.5
W
12
1.4
W
12
1.3
W
12
1.2
W
11
1
W
11
1
W
11
Energy kJ
434
290
239
194
122
92
64
58
27
56
84
314
538
1057
881
694
1376
1070
657
555
456
357
242
233
Swell 2
Height (m)
Direction
Period (s)
0.1
W
16
0.1
W
15
0.1
W
15
0.1
W
15
0.2
W
14
0.3
WSW
9
0.5
SSE
5
0.4
W
16
0.7
WSW
9
0.7
W
10
0.2
SSE
6
0.4
WNW
7
0.4
WNW
7
Energy kJ
5
4
4
4
16
15
15
80
88
94
4
20
21
Swell 3
Height (m)
Direction
Period (s)
0.2
W
13
0.3
W
13
0.3
W
13
0.2
SSE
5
0.3
SE
4
0.1
S
7
Energy kJ
14
31
31
2
3
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
3
0.7
SE
4
1
SE
4
1.6
SE
5
1.7
SE
6
1.4
SE
6
0.9
SSE
6
0.8
SSE
4
0.8
SSE
4
0.3
SSE
5
0.4
SSW
3
1.1
WSW
10
0.9
SW
4
2.2
WSW
14
2.3
WSW
13
0.3
SSE
2
0.5
SSE
3
0.5
S
3
0.5
S
3
Energy kJ
2
12
35
124
182
110
56
18
20
4
3
210
27
1859
1765
1
5
5
6
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
2
2
3
1
1
1
1
Distance (km)
62
62
62
183
93
62
231
124
223
71
14
14
65
14
65
72
61
60
14
0
62
61
14
14
Best forecast wave conditions in Inner Hebrides
Rating
(10 max)
2
2
2
1
2
2
3
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
2
2
1
2
2
2
3
1
4
2
3
3
2
4
3
3
3
3
2
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
5
4
5
5
5
4
5
5
4
5
5
4
4
5
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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