Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 12 pm 15 Oct 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
14.3°C
1.7° 

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 (15 Oct):

  • Morning surf: Morning surf (15 Oct, local time) - 11ft (3.5m), 14s period with W swell.
  • Afternoon surf: Afternoon surf (15 Oct, local time) - 11ft (3.5m), 14s period with W swell.
  • Evening surf: Evening surf (15 Oct, local time) - 10ft (3.0m), 13s period with W swell.

The current surf forecast for Machir Bay (Islay) at 7PM is: 3.5m 13s primary swell from a West direction and 3.0m 13s secondary swell from a West-northwest direction (forecast issued at 12:00pm October 15). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (15 Oct)11ft (3.5m)14s
Afternoon (15 Oct)11ft (3.5m)14s
Evening (15 Oct)10ft (3.0m)13s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 13°C on Thu morning, min 9°C on Sat morning). Winds decreasing (strong winds from the WSW on Thu morning, calm by Sat morning).

Thu
15
Friday
16
Saturday
17
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
1
2
1
3
3
2
2
1
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)
3.5
WNW
14
3.5
WNW
14
3.5
WNW
13
3.5
W
13
3
W
13
3
W
12
2.5
W
12
2.5
W
12
2.5
W
11
2.1
W
12
2.3
W
12
1.9
W
12
2.2
WNW
12
2.1
WNW
11
2
WNW
11
1.8
WNW
11
1.6
W
11
1.5
W
11
1.4
W
11
1.3
W
11
1.3
W
11
Wave Graph
Metric surfscale
Energy kJ
4916
4645
4316
3668
3200
2595
1738
1947
1587
1207
1513
986
1237
1111
984
866
675
596
492
418
403
Wind (km/h)
35
WSW
40
WSW
40
WSW
35
WSW
35
WSW
35
W
30
W
30
WNW
30
WNW
30
NW
30
NW
30
NW
30
NNW
25
NNW
20
NNW
20
N
15
NNE
5
ESE
10
SSE
10
SSE
20
SSE
Wind State
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
glassy
cross-off
cross-off
cross-off
High Tide
8:27AM2.49m
8:38PM2.27m
9:02AM2.31m
9:12PM2.07m
9:44AM2.10m
9:53PM1.87m
Low Tide
2:35PM0.57m
2:42AM0.58m
3:10PM0.79m
3:17AM0.77m
3:55PM1.01m
cloud
cloud
part cloud
rain showers
rain showers
part cloud
rain showers
light rain
rain showers
rain showers
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:54
—
—
—
—
—
—
7:56
—
—
—
—
—
—
—
7:58
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:25
—
—
—
—
—
—
—
6:23
—
—
—
—
—
—
—
6:22
—
—
 mm
—
—
—
1
1
—
1
1
1
1
—
—
—
—
—
—
—
—
—
—
—
Temp °C
13
13
12
12
12
12
11
11
12
12
12
12
11
11
11
10
9
9
9
9
9
Feels °C
5
5
4
4
4
4
4
4
5
5
5
5
4
4
6
5
6
8
7
6
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
How to use the Wavefinder 

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