Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 6 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
13.9° C
0.2° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 1.5ft (0.5m), 11s period with W swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 1.5ft (0.5m), 10s period with W swell.
  • Evening surf: Evening surf (20 Jul, local time) - 1.5ft (0.5m), 10s period with W swell.

The current surf forecast for Machir Bay (Islay) at 1PM is: 0.5m 10s primary swell from a West direction and 1.0m 5s secondary swell from a Northwest direction (forecast issued at 06:00am July 20). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (20 Jul)1.5ft (0.5m)11s
Afternoon (20 Jul)1.5ft (0.5m)10s
Evening (20 Jul)1.5ft (0.5m)10s

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


Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed morning, min 11°C on Mon night). Winds decreasing (fresh winds from the NNW on Tue morning, light winds from the NW by Wed night).

Monday
20
Tuesday
21
Wednesday
22
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
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)
0.9
NW
4
0.5
W
11
0.5
W
11
0.5
W
10
0.5
W
10
0.5
W
10
0.5
W
10
1.1
NW
5
1.2
NNW
5
1.3
NNW
5
1.3
NNW
5
1.3
NNW
5
1.2
NW
5
1.2
NW
5
1.2
NW
5
1.2
NW
5
1.2
NNW
5
1.1
NW
5
0.9
NNW
5
0.9
NW
7
0.8
NW
7
0.7
NW
7
0.7
NW
7
Wave Graph
Metric surfscale
Energy kJ
26
58
57
53
54
54
52
50
69
94
94
94
79
76
76
76
69
57
39
65
54
44
43
Wind (km/h)
25
NNW
25
NNW
30
NNW
25
NW
30
NW
25
NW
25
NNW
25
NNW
30
N
30
NNW
35
NNW
30
NNW
30
NNW
35
NNW
35
NNW
30
NNW
30
NNW
25
NNW
25
NNW
25
NNW
20
NW
20
NW
20
NW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:13AM2.28m
10:48PM2.39m
10:58AM2.12m
11:34PM2.16m
11:53AM1.98m
Low Tide
4:29PM0.43m
5:07AM0.72m
5:20PM0.66m
5:58AM0.86m
6:20PM0.86m
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:09
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:53
9:52
9:51
 mm
Temp °C
13
13
13
13
13
12
12
12
13
11
11
12
12
11
11
12
11
12
13
14
14
14
13
Feels °C
9
8
8
8
8
8
8
8
8
5
5
6
6
5
5
6
6
8
9
10
11
11
10
  • 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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