Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 12 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
14.8°C
1.0° 

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 (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 5.5ft (1.7m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 5.5ft (1.7m), 9s period with W swell.
  • Evening surf: Evening surf (11 Sep, local time) - 5ft (1.6m), 9s period with W swell.

The current surf forecast for Machir Bay (Islay) at 9PM is: 1.6m 9s primary swell from a West direction and 0.6m 12s secondary swell from a West-northwest direction, 0.3m 2s secondary swell from a South direction (forecast issued at 12:00pm September 11). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (11 Sep)5.5ft (1.7m)10s
Afternoon (11 Sep)5.5ft (1.7m)9s
Evening (11 Sep)5ft (1.6m)9s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 16°C on Sat morning, min 12°C on Fri night). Winds decreasing (strong winds from the SSE on Fri night, calm by Sun morning).

Fri
11
Saturday
12
Sunday
13
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
1
1
0
0
0
0
1
1
2
3
1
1
2
3
0
1
1
0
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)
1.7
W
10
1.7
W
9
1.7
W
9
1.7
W
9
1.6
W
9
1.6
W
11
1.9
W
13
2.4
W
12
3
W
11
2.5
W
12
2.5
W
12
2.3
W
12
2.1
W
12
1.9
WNW
12
1.8
W
11
1.6
W
10
1.5
W
10
1.3
WNW
11
1.2
WNW
10
1.2
WNW
10
1.1
WNW
10
Wave Graph
Metric surfscale
Energy kJ
524
430
455
476
450
573
1226
1520
2116
1893
1731
1463
1227
995
762
573
506
353
269
258
214
Wind (km/h)
20
W
15
W
15
WSW
10
SSW
30
SSE
45
SSE
40
S
35
SSW
30
WSW
20
WNW
15
NW
15
NNW
10
NNW
10
NW
10
NW
10
WNW
5
WSW
15
SSW
10
S
25
SE
30
SE
Wind State
on
on
cross-on
cross-on
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
cross-on
cross
cross-off
cross-off
High Tide
6:37PM3.07m
6:48AM2.78m
7:10PM3.05m
7:20AM2.80m
7:41PM2.95m
Low Tide
12:14PM-0.07m
00:45AM0.07m
12:50PM-0.11m
1:17AM0.07m
1:25PM-0.06m
part cloud
clear
clear
part cloud
part cloud
light rain
mod rain
light rain
rain showers
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:54
7:52
7:50
 mm
4
6
3
1
Temp °C
14
14
14
15
14
12
13
15
16
14
14
14
13
13
13
12
12
13
13
14
15
Feels °C
10
11
11
13
8
3
5
9
12
11
11
12
11
11
11
11
11
11
11
10
10
  • 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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