Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 6 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
14.8°C
1.1° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 11ft (3.5m), 13s period with WNW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 10ft (3.0m), 12s period with W swell.
  • Evening surf: Evening surf (18 Sep, local time) - 10ft (3.0m), 11s period with W swell.

The current surf forecast for Machir Bay (Islay) at 1AM is: 4.5m 14s primary swell from a West direction (forecast issued at 06:00pm September 17). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Sep)11ft (3.5m)13s
Afternoon (18 Sep)10ft (3.0m)12s
Evening (18 Sep)10ft (3.0m)11s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Fri morning. Very mild (max 15°C on Fri afternoon, min 12°C on Fri morning). Winds decreasing (near gales from the W on Thu afternoon, fresh winds from the W by Sun morning).

Thu
17
Friday
18
Saturday
19
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
5
W
13
5
W
15
5
W
14
4.5
W
14
4
W
14
3.5
WNW
13
3.5
WNW
13
3
W
12
3.5
W
12
3
W
12
3
WNW
11
3
W
11
3
W
11
3
W
10
3.5
W
10
3.5
W
11
4
W
11
4
W
11
4
W
12
Wave Graph
Metric surfscale
Energy kJ
8841
10716
9371
7670
6069
4718
3953
2909
3027
2704
2248
1890
1855
2138
2594
3018
3798
3876
4371
Wind (km/h)
50
W
50
W
45
W
45
W
40
W
35
WSW
35
SW
40
S
45
WSW
40
WSW
45
WSW
40
WSW
45
WSW
45
WSW
50
WSW
50
WSW
50
WSW
45
W
45
W
Wind State
on
on
on
on
on
on
cross-on
cross
cross-on
cross-on
on
cross-on
cross-on
on
on
on
on
on
on
High Tide
9:42PM2.07m
10:07AM2.06m
10:22PM1.84m
11:07AM1.84m
Low Tide
3:41PM0.75m
3:51AM0.82m
4:26PM1.00m
4:41AM1.02m
5:53PM1.21m
light rain
part cloud
clear
clear
part cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
rain showers
light rain
rain showers
part cloud
cloud
light rain
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:38
7:36
7:34
 mm
1
1
5
4
1
1
1
1
1
Temp °C
13
13
13
13
13
13
13
12
15
15
15
15
14
14
13
13
13
13
12
Feels °C
3
4
4
5
6
6
7
4
8
9
7
8
5
5
3
3
3
4
2
  • 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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