Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 6 pm 16 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) - 15ft (4.5m), 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 12AM is: 2.5m 9s primary swell from a West direction and 0.1m 8s secondary swell from a North direction (forecast issued at 06:00pm September 16). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Sep)11ft (3.5m)10s
Afternoon (17 Sep)15ft (4.5m)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 17mm), heaviest on Wed night. Very mild (max 16°C on Fri afternoon, min 12°C on Fri morning). Mainly near gales.

Wed
16
Thursday
17
Friday
18
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
1
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)
1.9
W
10
1.9
W
10
2.3
WSW
9
2.5
W
9
2.5
W
9
3
W
10
4
W
11
4.5
W
12
5
W
14
5
W
15
5
W
15
4.5
W
14
4.5
W
14
4
WNW
13
3.5
WNW
13
3
W
12
3
W
12
3
W
12
3
W
11
Wave Graph
Metric surfscale
Energy kJ
708
687
791
951
1050
1852
3181
5492
8885
11364
9571
8019
6826
5302
4258
2972
2216
2107
1860
Wind (km/h)
30
WSW
35
SSW
40
SW
40
W
40
W
45
WSW
50
WSW
50
W
50
W
50
W
45
W
45
W
40
W
35
WSW
35
SW
35
S
40
SSW
40
WSW
40
WSW
Wind State
cross-on
cross
cross-on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross
cross-on
on
cross-on
High Tide
9:10PM2.31m
9:28AM2.28m
9:42PM2.07m
10:07AM2.06m
Low Tide
3:05PM0.50m
3:17AM0.61m
3:41PM0.75m
3:51AM0.82m
4:26PM1.00m
cloud
cloud
light rain
rain showers
part cloud
light rain
light rain
light rain
rain showers
clear
part cloud
rain showers
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:42
7:38
7:36
 mm
3
1
1
1
1
1
1
2
2
1
1
Temp °C
13
14
14
14
13
13
13
13
13
13
13
13
14
13
13
12
14
16
15
Feels °C
7
7
7
7
5
4
3
3
3
3
4
4
6
6
6
6
8
10
9
  • 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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