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 Aug 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
14.7° C
0.3° 

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 (17 Aug):

  • Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.7m), 8s period with W swell.
  • Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 8s period with WSW swell.

The current surf forecast for Machir Bay (Islay) at 9PM is: 0.9m 8s primary swell from a West-southwest direction and 0.1m 6s secondary swell from a Northwest direction, 0.1m 18s secondary swell from a West direction (forecast issued at 06:00pm August 17). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (17 Aug)--
Afternoon (17 Aug)2.5ft (0.7m)8s
Evening (17 Aug)3ft (0.9m)8s

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


Short Range Forecast

Heavy rain (total 30mm), heaviest during Wed morning. Very mild (max 15°C on Mon afternoon, min 12°C on Wed night). Mainly fresh winds.

Mon
17
Tuesday
18
Wednesday
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
1
0
1
3
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
W
8
0.7
W
8
0.9
WSW
8
1.3
W
6
1.4
W
6
1.4
W
7
1.6
W
7
1.7
W
8
1.7
W
8
1.9
W
9
2.1
W
10
2.3
WNW
11
2.3
W
11
2.4
W
10
2.3
W
10
2.1
W
10
1.9
W
10
1.8
W
10
1.6
W
10
Wave Graph
Metric surfscale
Energy kJ
66
64
92
116
153
173
254
320
373
562
900
1210
1168
1230
1066
884
722
635
492
Wind (km/h)
20
SSE
20
SSE
20
SSW
30
W
30
W
30
W
30
W
30
WSW
35
WSW
30
WSW
30
WSW
30
SW
30
SW
35
SSW
30
SSW
25
WSW
10
W
10
NNE
20
NE
Wind State
cross-off
cross-off
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross
cross-on
on
cross-off
cross-off
High Tide
9:22PM2.62m
9:31AM2.41m
9:55PM2.36m
10:08AM2.22m
Low Tide
3:07PM0.20m
3:33AM0.47m
3:45PM0.44m
4:08AM0.66m
4:26PM0.70m
light rain
mod rain
light rain
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
rain showers
rain showers
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:58
8:55
8:52
 mm
3
6
3
1
4
7
2
1
1
Temp °C
14
15
15
15
15
15
14
14
15
14
14
14
13
13
13
15
15
15
14
Feels °C
11
13
12
11
10
10
9
9
9
9
9
8
7
6
8
11
13
14
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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