Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) Surf Forecast and Surf Report

Issued: 12 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
15.0°C
0.8° 

Machir Bay (Islay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Machir Bay (Islay) surf forecast from 26 Aug 2026:

  • Best quality surf: Thursday 27 Aug, 4AM (local time) - 2ft (0.6m), 10s period, W swell with offshore winds.
  • Most powerful swell: Tuesday 1 Sep, 4AM (local time) - 11ft (3.5m), 9s period, WSW swell with 2,120 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 4AM (local time) - 2ft (0.6m), 10s period with W swell.

Best Forecast Surf Conditions for Machir Bay (Islay) this week:

The surf forecast for Machir Bay (Islay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 27) at 4AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.1m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Machir Bay (Islay) in the next 16 days are 3.5m 9s and forecast to arrive on Tuesday (Sep 01) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Wednesday (Aug 26) at 10PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Thu 27th Aug)2ft (0.6m) 10s
Best Surf 4AM (Thu 27th Aug)2ft (0.6m) 10s
Most Powerful 4AM (Tue 1st Sep)11ft (3.5m) 9s

Table - best surf conditions forecast for Machir Bay (Islay) over the next 16 days.


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed night. Warm (max 20°C on Thu afternoon, min 14°C on Thu night). Winds decreasing (fresh winds from the E on Wed morning, calm by Thu night).

Days 4-6 Weather Summary

Moderate rain (total 18mm), heaviest on Sat night. Very mild (max 15°C on Sat morning, min 13°C on Sun night). Winds increasing (calm on Sat afternoon, strong winds from the SW by Mon night).

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
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)
0.5
W
8
0.4
W
8
0.4
WNW
10
0.7
W
9
0.6
W
9
0.5
W
8
0.3
WNW
8
0.8
NW
4
0.8
NW
6
0.6
NW
5
0.5
NW
5
0.7
NNW
5
0.3
WSW
10
0.5
W
9
0.5
W
9
0.9
NW
5
0.9
WSW
10
0.6
W
9
3
WNW
8
2.1
W
8
1.7
W
8
Wave Graph
Metric surfscale
Energy kJ
33
18
33
83
57
34
12
22
39
22
13
19
19
44
39
39
163
60
1128
496
337
Wind (km/h)
35
E
25
E
25
E
20
E
15
ENE
5
NNE
20
NNW
25
NW
10
WNW
10
SE
5
NE
10
NW
10
WNW
5
N
20
NNW
25
W
25
SSW
40
SSW
40
W
50
WNW
40
WNW
Wind State
off
off
off
off
off
glassy
cross-on
cross-on
cross-on
cross-off
glassy
cross-on
on
glassy
cross-on
on
cross-on
cross-on
on
on
cross-on
High Tide
5:48PM2.54m
5:54AM2.43m
6:18PM2.71m
6:24AM2.57m
6:47PM2.84m
6:55AM2.67m
7:17PM2.91m
7:25AM2.71m
7:47PM2.91m
7:57AM2.71m
8:18PM2.85m
8:29AM2.64m
8:51PM2.72m
Low Tide
11:30AM0.44m
11:56PM0.51m
11:59AM0.27m
00:25AM0.38m
12:27PM0.14m
00:52AM0.27m
12:56PM0.05m
1:20AM0.20m
1:25PM0.02m
1:49AM0.19m
1:56PM0.06m
2:19AM0.22m
2:29PM0.15m
2:53AM0.32m
cloud
cloud
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
cloud
light rain
rain showers
part cloud
cloud
rain showers
part cloud
cloud
rain showers
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:18
6:20
6:22
6:24
6:26
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:36
8:34
8:30
8:28
8:25
8:22
8:21
 mm
2
3
9
2
4
3
1
1
Temp °C
16
19
18
19
20
18
15
15
15
15
15
14
14
14
14
14
15
15
13
13
13
Feels °C
11
16
14
16
18
16
12
12
13
14
15
12
13
13
11
9
9
7
5
3
4
  • 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
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Information about the Machir Bay (Islay) Surf forecast

The above surf forecast table for Machir Bay (Islay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Machir Bay (Islay) can be found by selecting the local surf guide option on the grey menu. Our Machir Bay (Islay) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Machir Bay (Islay)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Machir Bay (Islay) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Inner Hebrides? If you are looking for accommodation near Machir Bay (Islay), camping, hotels and holiday cottages in Inner Hebrides, consider staying in Motherwell which is 50 km (31 miles) away. Other places in and around Inner Hebrides where you can find information about places to rent, and car hire include Campbeltown which is 65 km (40 miles) away, Ballycastle, Tarbert and Ballypatrick.

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