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 Aug 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
14.5° C
0.2° 

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 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 1.5ft (0.5m), 7s period with W swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 1.5ft (0.4m), 7s period with WNW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 1ft (0.3m), 12s period with WSW swell.

The current surf forecast for Machir Bay (Islay) at 8PM is: 0.2m 13s primary swell from a West direction and 0.3m 7s secondary swell from a West direction, 0.2m 7s secondary swell from a West-northwest direction (forecast issued at 12:00pm August 11). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (11 Aug)1.5ft (0.5m)7s
Afternoon (11 Aug)1.5ft (0.4m)7s
Evening (11 Aug)1ft (0.3m)12s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Warm (max 21°C on Wed afternoon, min 14°C on Tue morning). Winds decreasing (fresh winds from the SE on Tue morning, light winds from the SW by Thu afternoon).

Tue
11
Wednesday
12
Thursday
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
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
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)
0.5
W
7
0.5
W
7
0.4
WNW
7
0.2
W
13
0.3
WSW
12
0.4
WSW
11
0.7
WSW
11
0.8
WSW
10
0.8
WSW
10
0.7
WSW
10
0.7
WSW
10
0.7
WSW
10
0.7
WSW
9
0.6
WSW
9
0.8
WSW
11
0.9
WSW
11
0.9
WSW
10
0.9
WSW
10
0.9
WSW
10
0.8
WSW
10
0.8
WSW
10
Wave Graph
Metric surfscale
Energy kJ
25
24
16
12
29
43
121
141
131
100
98
96
88
66
161
191
173
170
167
128
125
Wind (km/h)
30
SE
35
SE
30
SE
30
SE
25
SE
30
SE
30
SE
30
SE
25
SE
25
SSE
25
SE
25
SE
20
SE
15
SE
15
SSE
15
SE
15
SE
15
SSE
10
SSW
5
SW
10
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
High Tide
5:34PM2.72m
5:52AM2.55m
6:19PM2.94m
6:33AM2.68m
7:00PM3.07m
Low Tide
11:04AM0.34m
11:42PM0.32m
11:52AM0.11m
00:28AM0.18m
12:34PM-0.05m
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
part cloud
cloud
rain showers
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:12
9:08
9:07
 mm
1
1
1
1
Temp °C
14
15
16
17
18
17
16
16
17
19
21
21
20
19
18
17
18
20
19
18
17
Feels °C
9
9
10
12
13
12
11
11
12
15
18
18
18
17
18
17
17
19
20
19
18
  • 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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