Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 12 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
13.9° C
0.3° 

Machir Bay (Islay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Machir Bay (Islay) today (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 4.5ft (1.4m), 6s period with NNW swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 4ft (1.2m), 5s period with NNW swell.
  • Evening surf: Evening surf (18 Jul, local time) - 5ft (1.5m), 6s period with NNW swell.

The current surf forecast for Machir Bay (Islay) at 9AM is: 1.4m 6s primary swell from a North-northwest direction and 0.5m 8s secondary swell from a West direction (forecast issued at 12:00am July 18). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (18 Jul)4.5ft (1.4m)6s
Afternoon (18 Jul)4ft (1.2m)5s
Evening (18 Jul)5ft (1.5m)6s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Sun night, min 12°C on Fri night). Mainly strong winds.

Saturday
18
Sunday
19
Monday
20
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
NNW
6
1.8
NNW
6
1.6
NNW
6
1.3
NNW
6
1.2
NNW
5
1.3
NNW
5
1.4
NNW
6
1.5
NNW
6
1.5
NNW
6
1.4
NNW
6
1.3
NNW
6
1
NNW
6
0.9
NNW
7
0.8
NW
7
0.8
NW
7
0.9
NW
4
0.9
NW
4
0.9
NNW
4
1.1
NW
5
1.2
NNW
5
1.2
NNW
5
1.1
NW
5
1.2
NNW
5
1.3
NNW
5
Wave Graph
Metric surfscale
Energy kJ
315
233
156
111
75
86
123
154
154
127
100
58
81
55
54
24
26
35
58
67
69
57
64
80
Wind (km/h)
40
NNW
35
NNW
35
NNW
30
NNW
30
NNW
30
NNW
30
NNW
30
NNW
25
N
25
NNW
25
N
25
NNW
20
NNW
25
NW
25
NNW
25
NNW
25
NW
30
NNW
30
NNW
30
NNW
30
NNW
30
NNW
30
NNW
25
NNW
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross
High Tide
8:51AM2.55m
9:25PM2.83m
9:31AM2.43m
10:06PM2.62m
10:13AM2.28m
Low Tide
2:55AM0.28m
3:00PM0.05m
3:38AM0.41m
3:44PM0.22m
4:22AM0.56m
4:29PM0.43m
clear
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:07
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:57
9:54
9:53
 mm
Temp °C
13
12
12
12
13
14
14
14
13
12
12
13
14
13
13
15
14
13
13
13
12
13
13
12
Feels °C
6
6
6
6
8
9
9
9
8
7
7
8
10
8
9
11
10
8
8
8
7
8
8
7
  • 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
How to use the Wavefinder 

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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