Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 6 am 25 Sep 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
15.1°C
1.7° 

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 (25 Sep):

  • Morning surf: Morning surf (25 Sep, local time) - 13ft (4.0m), 16s period with W swell.
  • Afternoon surf: Afternoon surf (25 Sep, local time) - 11ft (3.5m), 15s period with W swell.
  • Evening surf: Evening surf (25 Sep, local time) - 10ft (3.0m), 13s period with W swell.

The current surf forecast for Machir Bay (Islay) at 10AM is: 4.0m 16s primary swell from a West direction and 3.5m 16s secondary swell from a West-northwest direction (forecast issued at 06:00am September 25). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (25 Sep)13ft (4.0m)16s
Afternoon (25 Sep)11ft (3.5m)15s
Evening (25 Sep)10ft (3.0m)13s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sun morning. Very mild (max 16°C on Sat afternoon, min 11°C on Sun morning). Winds decreasing (strong winds from the S on Sat night, light winds from the SW by Sun night).

Friday
25
Saturday
26
Sunday
27
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
1
0
0
0
0
1
1
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)
4
WNW
16
4
WNW
16
4
W
16
3.5
WNW
15
3.5
W
14
3
W
13
3
W
13
3
W
12
3
W
12
3
W
12
2.5
W
11
2.4
W
11
2.1
W
11
2
W
11
2.1
W
10
2.1
W
10
2
W
10
2
W
11
2.1
W
11
2.2
WSW
11
1.9
WSW
11
2.2
W
11
2.4
W
11
Wave Graph
Metric surfscale
Energy kJ
8137
7545
6807
5491
4635
3333
2986
2741
2888
2440
1783
1376
1009
881
937
937
873
907
1048
1086
846
1128
1427
Wind (km/h)
30
WSW
40
WSW
35
WSW
30
WSW
25
SW
25
SW
35
SSW
40
SSW
40
SW
35
SW
35
SSW
30
SSW
30
S
35
SSW
30
S
35
S
45
S
50
S
50
S
20
SW
25
SW
35
WSW
25
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
High Tide
5:44PM2.78m
5:55AM2.62m
6:14PM2.91m
6:26AM2.74m
6:45PM2.98m
Low Tide
11:24AM0.25m
11:51PM0.28m
11:54AM0.11m
00:19AM0.15m
12:24PM0.01m
light rain
cloud
cloud
part cloud
part cloud
light rain
clear
part cloud
rain showers
rain showers
part cloud
part cloud
cloud
rain showers
clear
clear
part cloud
part cloud
cloud
light rain
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:15
—
—
—
—
—
—
—
7:16
—
—
—
—
—
—
—
7:18
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:17
—
—
—
—
—
—
—
7:15
—
—
—
—
—
—
—
7:13
—
 mm
1
—
—
—
—
1
—
—
1
1
—
—
—
1
—
—
—
—
—
3
—
—
—
Temp °C
13
13
13
13
14
14
13
13
13
13
13
14
16
16
15
14
13
13
14
11
13
13
13
Feels °C
6
5
5
6
9
9
6
5
5
6
6
8
10
9
9
7
4
3
4
7
7
6
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.


Nearest locationNearest