Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 6 am 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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 11ft (3.5m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 16ft (5.0m), 13s period with W swell.
  • Evening surf: Evening surf (17 Sep, local time) - 16ft (5.0m), 15s period with W swell.

The current surf forecast for Machir Bay (Islay) at 2PM is: 4.5m 12s primary swell from a West direction (forecast issued at 06:00am September 17). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Sep)11ft (3.5m)10s
Afternoon (17 Sep)16ft (5.0m)13s
Evening (17 Sep)16ft (5.0m)15s

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 11°C on Fri morning). Mainly near gales.

Thursday
17
Friday
18
Saturday
19
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
0
0
0
0
0
0
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
W
9
3
W
10
3.5
W
10
4.5
W
12
5
W
13
5
W
15
5
W
14
4.5
WNW
14
4
W
14
4
WNW
13
3.5
WNW
13
3
W
12
3
WNW
12
3
W
12
3
W
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
1050
1737
2903
5420
8498
10788
9441
7739
6124
4954
3953
2770
2552
2704
2099
1888
1992
2138
2501
3016
3364
4008
4523
Wind (km/h)
40
W
45
WSW
45
W
50
W
50
W
50
W
45
W
45
W
40
W
35
WSW
35
SW
40
SSE
40
SW
45
WSW
45
WSW
40
WSW
45
WSW
50
WSW
50
WSW
50
WSW
50
W
50
W
50
W
Wind State
on
on
on
on
on
on
on
on
on
on
cross-on
cross-off
cross-on
on
cross-on
on
cross-on
on
on
on
on
on
on
High Tide
9:28AM2.28m
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
clear
light rain
light rain
rain showers
cloud
part cloud
clear
clear
part cloud
cloud
cloud
light rain
light rain
light rain
rain showers
light rain
light rain
light rain
rain showers
part cloud
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
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
1
4
4
1
1
1
1
1
1
Temp °C
13
13
13
13
13
13
13
13
13
13
13
11
14
15
15
14
14
13
13
13
13
12
13
Feels °C
5
4
4
3
3
4
4
5
6
6
6
3
7
8
7
7
5
4
3
3
3
2
3
  • 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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