Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 6 pm 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
14.8°C
1.0° 

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 (12 Sep):

  • Afternoon surf: Afternoon surf (12 Sep, local time) - 10ft (3.0m), 11s period with W swell.
  • Evening surf: Evening surf (12 Sep, local time) - 7ft (2.2m), 12s period with W swell.

The current surf forecast for Machir Bay (Islay) at 10PM is: 2.1m 12s primary swell from a West direction (forecast issued at 06:00pm September 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Sep)--
Afternoon (12 Sep)10ft (3.0m)11s
Evening (12 Sep)7ft (2.2m)12s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Mon afternoon. Very mild (max 17°C on Mon morning, min 13°C on Sat afternoon). Winds increasing (calm on Sat night, near gales from the WSW by Mon night).

Sat
12
Sunday
13
Monday
14
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
1
3
3
2
3
2
1
2
1
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
Wave
Height (m)
Direction
Period (s)
2.5
W
12
2.4
W
12
2.1
W
12
2
W
12
1.8
W
11
1.7
W
10
1.6
W
10
1.5
W
10
1.2
WNW
10
1.1
WNW
10
1
WNW
10
0.9
WNW
9
0.9
WNW
9
0.7
WNW
9
0.6
WNW
9
0.8
W
6
0.9
W
8
1.1
W
11
1.3
W
10
Wave Graph
Metric surfscale
Energy kJ
1870
1589
1206
1098
734
644
573
477
263
218
179
156
113
70
62
52
108
279
367
Wind (km/h)
30
WNW
20
WNW
10
WNW
10
WNW
10
WNW
5
WSW
5
SSW
10
SSW
10
SSE
25
SE
30
SE
25
SSE
20
SSE
20
S
25
S
20
SSE
25
SSE
25
S
30
S
Wind State
cross-on
cross-on
cross-on
on
on
glassy
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross
High Tide
7:10PM3.05m
7:20AM2.80m
7:41PM2.95m
7:52AM2.75m
8:11PM2.77m
Low Tide
1:17AM0.07m
1:25PM-0.06m
1:48AM0.14m
1:59PM0.07m
cloud
clear
part cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
rain showers
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:50
7:46
 mm
1
4
2
Temp °C
14
13
13
13
13
13
13
13
13
14
15
15
15
15
15
17
16
17
16
Feels °C
9
9
11
11
11
13
12
12
11
10
11
11
12
12
11
14
13
14
12
  • 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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