Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 12 pm 21 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 (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 4.5ft (1.3m), 5s period with NNW swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 5s period with NNW swell.
  • Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.4m), 5s period with NW swell.

The current surf forecast for Machir Bay (Islay) at 4PM is: 1.3m 5s primary swell from a North-northwest direction and 0.4m 10s secondary swell from a West direction (forecast issued at 12:00pm July 21). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (21 Jul)4.5ft (1.3m)5s
Afternoon (21 Jul)4.5ft (1.3m)5s
Evening (21 Jul)4.5ft (1.4m)5s

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 afternoon, min 11°C on Tue morning). Mainly fresh winds.

Tue
21
Wednesday
22
Thursday
23
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
NNW
6
1.3
NNW
5
1.3
NNW
5
1.3
NNW
5
1.4
NW
5
1.2
NW
5
1.1
NW
5
1
NW
5
0.9
NW
7
0.9
NW
7
0.9
NW
7
0.9
NW
7
0.9
NW
7
0.7
NW
7
0.6
NW
7
0.6
NW
7
0.6
WNW
6
0.5
NW
7
0.6
WNW
6
0.6
WNW
6
0.8
WNW
6
Wave Graph
Metric surfscale
Energy kJ
101
97
94
94
98
82
62
45
82
82
79
77
75
43
35
35
28
21
28
26
51
Wind (km/h)
35
NNW
30
NNW
30
NNW
30
NNW
30
NNW
30
NNW
25
NNW
20
NNW
20
NNW
25
NNW
25
NW
25
NNW
20
NNW
15
NNW
15
NW
15
NW
15
WNW
15
WNW
15
WNW
15
WNW
20
W
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
High Tide
10:58AM2.12m
11:34PM2.16m
11:53AM1.98m
00:32AM1.96m
1:10PM1.88m
Low Tide
5:20PM0.66m
5:58AM0.86m
6:20PM0.86m
7:00AM0.96m
7:35PM0.99m
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:11
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:52
9:51
9:49
 mm
Temp °C
11
11
12
11
11
12
12
12
13
13
14
14
14
14
14
13
13
13
13
13
13
Feels °C
5
5
6
5
5
7
8
9
10
9
10
10
11
12
12
11
11
11
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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