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

information circle48hr Weather and Surf, issued 6 am Sunday 17 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
9.9° 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 2PM is: 2.4m 13s primary swell from a West direction (forecast issued at 06:00am May 17). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 May)8ft (2.5m)13s
Afternoon (17 May)7.5ft (2.3m)13s
Evening (17 May)6.5ft (2.0m)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

Heavy rain (total 20mm), heaviest during Tue afternoon. Very mild (max 10°C on Mon afternoon, min 9°C on Sun morning). Winds increasing (calm on Mon morning, strong winds from the SE by Tue morning).

Sunday
17
Monday
18
Tuesday
19
Wed
20
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)
0
0
0
1
3
3
3
2
3
3
3
3
2
0
0
0
0
0
0
0
0
0
0
0
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)
1.9
W
13
2.3
W
13
2.5
WNW
13
2.4
W
12
2.3
W
13
2.1
W
12
2
W
12
1.9
W
12
1.8
W
12
1.7
W
11
1.6
W
11
1.5
W
11
1.4
W
11
1.3
W
10
1.2
W
10
1.1
W
10
0.9
W
10
0.8
W
10
0.6
W
9
0.6
W
9
0.5
W
9
0.4
WSW
9
0.3
W
16
0.6
W
16
Wave Graph
Metric surfscale
Energy kJ
1271
1756
1980
1765
1673
1311
1132
988
857
701
599
517
434
340
284
234
154
117
64
60
40
25
46
176
Wind (km/h)
25
WSW
30
WSW
25
WSW
20
WSW
10
WSW
10
WNW
5
NNW
10
NNW
5
NNE
5
N
5
NE
5
SSW
10
SE
30
SE
35
SE
40
SE
40
SE
45
ESE
45
SE
30
SE
25
SE
10
SSE
20
SSE
25
S
on
on
on
cross-on
cross-on
on
cross-on
cross
cross-off
glassy
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
6:19AM2.87m
6:41PM2.86m
7:02AM2.82m
7:26PM2.88m
7:47AM2.70m
8:13PM2.83m
Low Tide
12:21PM0.06m
00:43AM0.04m
1:04PM0.06m
1:32AM0.11m
1:49PM0.12m
light rain
light rain
rain showers
rain showers
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:09
5:07
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:34
9:35
9:37
9:38
1
2
1
1
3
2
3
4
1
2
Temp °C
8
9
9
9
9
9
9
9
9
9
9
9
10
10
9
10
9
9
10
10
10
10
10
10
2
2
3
4
6
6
6
6
7
7
7
7
7
4
2
2
1
0
1
4
5
8
6
5
Swell 1
Height (m)
Direction
Period (s)
2.5
WNW
13
2.4
W
12
2.3
W
13
2.1
W
12
2
W
12
1.9
W
12
1.8
W
12
1.7
W
11
1.6
W
11
1.5
W
11
1.4
W
11
1.3
W
10
1.2
W
10
1.1
W
10
0.9
W
10
0.8
W
10
0.6
W
9
0.6
W
9
0.5
W
9
0.4
WSW
9
0.5
W
9
0.6
W
9
Energy kJ
1901
1765
1673
1311
1132
988
857
701
599
517
434
340
284
234
154
117
64
60
40
25
40
57
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
0.2
W
13
0.3
WNW
9
0.3
W
13
0.6
WSW
5
Energy kJ
5
4
4
4
16
14
16
31
17
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
13
0.3
SE
6
0.3
W
16
0.6
W
16
Energy kJ
17
5
46
176
Wind waves
Height (m)
Direction
Period (s)
1.9
W
13
2.3
W
13
2.5
W
13
0.4
SE
2
0.6
SE
3
0.9
SE
4
1.2
SE
5
1.6
SE
5
1.5
SE
6
0.9
SSE
5
0.5
SSE
6
0.4
SSW
3
0.6
SW
4
0.3
S
3
Energy kJ
1271
1756
1980
1
8
22
60
129
133
47
18
3
10
2
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
3
3
3
3
3
3
3
3
3
2
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
65
65
65
65
14
52
52
52
0
0
0
0
0
62
62
62
185
159
93
71
16
71
16
14
Best forecast wave conditions in Inner Hebrides
Rating
(10 max)
3
4
4
4
3
3
3
3
2
2
2
1
1
1
1
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
4
4
4
4
4
4
3
3
3
3
2
2
2
2
2
2
2
1
1
2
2
Header Global
Rating
(10 max)
4
5
4
4
8
6
4
4
5
7
4
4
5
4
5
5
4
4
4
4
5
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

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