Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 12 pm 23 Sep 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
15.0°C
1.5° 

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 (23 Sep):

  • Morning surf: Morning surf (23 Sep, local time) - 7ft (2.2m), 13s period with W swell.
  • Afternoon surf: Afternoon surf (23 Sep, local time) - 6.5ft (2.0m), 12s period with W swell.
  • Evening surf: Evening surf (23 Sep, local time) - 6ft (1.8m), 12s period with W swell.

The current surf forecast for Machir Bay (Islay) at 6PM is: 1.9m 12s primary swell from a West direction (forecast issued at 12:00pm September 23). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (23 Sep)7ft (2.2m)13s
Afternoon (23 Sep)6.5ft (2.0m)12s
Evening (23 Sep)6ft (1.8m)12s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Wed morning. Very mild (max 16°C on Thu afternoon, min 12°C on Wed afternoon). Winds increasing (light winds from the SSW on Wed night, strong winds from the SSE by Thu morning).

Wed
23
Thursday
24
Friday
25
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
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
2
0
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)
2.2
W
13
2.1
W
13
2
W
12
1.9
W
12
1.7
W
11
1.6
W
11
1.5
W
11
1.4
W
11
1.3
W
10
1.3
W
10
1.4
W
10
2
W
12
2.4
W
12
3.5
W
16
4
W
16
4
W
16
3.5
W
16
3.5
W
15
3.5
W
14
3
W
13
3
W
13
Wave Graph
Metric surfscale
Energy kJ
1617
1452
1141
1013
746
606
535
441
346
333
392
1141
1728
7313
8021
7545
6449
5261
4370
3172
2833
Wind (km/h)
30
NW
25
WNW
20
WNW
15
WNW
5
SSW
20
SSE
35
SSE
40
SSE
45
SSE
45
SSE
35
S
30
SW
30
WSW
30
SW
35
WSW
30
SW
30
SW
25
SW
20
SW
20
SSW
30
SSW
Wind State
cross-on
cross-on
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
4:45PM2.36m
4:53AM2.26m
5:15PM2.59m
5:24AM2.46m
5:44PM2.78m
Low Tide
10:23AM0.64m
10:55PM0.65m
10:55AM0.43m
11:23PM0.45m
11:24AM0.25m
rain showers
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:13
7:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:21
7:17
 mm
1
1
1
1
1
1
Temp °C
13
13
13
12
12
12
12
12
13
14
16
15
13
14
13
13
13
13
14
14
13
Feels °C
7
8
9
9
10
8
5
4
5
5
9
10
7
9
6
6
7
7
10
9
6
  • 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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