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 Sep 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
14.8°C
1.3° 

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 (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 5ft (1.6m), 12s period with W swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 5ft (1.6m), 11s period with W swell.
  • Evening surf: Evening surf (21 Sep, local time) - 5ft (1.5m), 10s period with W swell.

The current surf forecast for Machir Bay (Islay) at 7PM is: 1.6m 10s primary swell from a West direction (forecast issued at 12:00pm September 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (BST) & DateWave HeightWave Period
Morning (21 Sep)5ft (1.6m)12s
Afternoon (21 Sep)5ft (1.6m)11s
Evening (21 Sep)5ft (1.5m)10s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Tue afternoon. Very mild (max 19°C on Mon afternoon, min 11°C on Wed night). Mainly fresh winds.

Mon
21
Tuesday
22
Wednesday
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)
1
1
1
3
2
0
0
1
0
1
2
2
2
1
1
1
0
0
1
2
3
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)
1.6
W
12
1.7
W
11
1.6
W
11
1.6
W
10
1.5
W
10
1.6
W
10
1.6
W
10
1.5
W
10
1.9
W
10
1.8
W
10
1.7
W
11
1.1
W
14
2.1
W
14
2.3
W
14
2.3
W
14
2.2
W
13
2.2
W
13
2.1
W
13
1.9
W
12
1.8
W
12
1.7
W
11
Wave Graph
Metric surfscale
Energy kJ
690
688
577
512
432
494
494
426
800
709
646
503
1744
2066
1950
1708
1617
1452
1031
911
747
Wind (km/h)
20
SSW
20
S
10
SW
10
SE
10
SE
20
SSW
20
S
20
S
20
SSW
10
NNW
10
NW
10
NNW
10
NNW
15
NW
20
NW
20
NW
20
WNW
20
NW
15
NW
10
NW
5
SSE
Wind State
cross
cross
cross-on
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
High Tide
3:24PM1.90m
3:39AM1.83m
4:11PM2.13m
4:20AM2.05m
4:45PM2.36m
Low Tide
8:40AM1.06m
9:41PM1.06m
9:44AM0.86m
10:24PM0.86m
10:23AM0.64m
cloud
clear
clear
part cloud
part cloud
clear
clear
cloud
light rain
cloud
light rain
light rain
light rain
cloud
cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:09
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:29
7:25
7:22
 mm
1
1
4
2
Temp °C
15
17
19
18
18
19
18
17
15
13
12
12
12
12
13
12
12
12
12
12
12
Feels °C
13
15
18
18
18
16
15
14
13
11
10
10
10
9
9
7
8
7
8
10
11
  • 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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