Machir Bay (Islay) Surf Break

Lat Long: 55.78° N 6.46° W

Machir Bay (Islay) 48 hour detailed Surf Forecast

Issued: 12 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Machir Bay (Islay) sea temperature is
14.9°C
1.0° 

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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 6.5ft (2.0m), 9s period with WNW swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 4.5ft (1.3m), 8s period with WNW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.0m), 8s period with W swell.

The current surf forecast for Machir Bay (Islay) at 4PM is: 1.2m 8s primary swell from a West-northwest direction (forecast issued at 12:00pm September 09). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (09 Sep)6.5ft (2.0m)9s
Afternoon (09 Sep)4.5ft (1.3m)8s
Evening (09 Sep)3.5ft (1.0m)8s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 15°C on Thu afternoon, min 13°C on Wed morning). Winds increasing (light winds from the W on Wed morning, strong winds from the S by Fri night).

Wed
9
Thursday
10
Friday
11
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
0
0
0
0
0
3
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)
1.7
WNW
9
1.4
WNW
9
1.2
WNW
8
1.1
WNW
8
1
W
8
0.9
WNW
8
0.9
W
7
0.9
W
7
0.9
W
7
1.7
WSW
8
2
WSW
8
2
WSW
9
2
W
10
1.9
W
10
1.9
W
10
1.8
W
10
1.8
W
8
1.8
W
9
1.7
W
9
1.9
W
9
1.8
W
11
Wave Graph
Metric surfscale
Energy kJ
426
281
202
167
127
96
88
86
82
314
534
655
851
730
708
610
460
498
465
627
790
Wind (km/h)
20
NW
10
W
10
WSW
10
SW
20
SSE
25
SSE
30
S
40
SSE
40
SSE
40
SSW
30
WSW
40
WSW
30
W
35
W
35
WNW
30
WNW
25
W
20
WSW
15
WSW
15
SSE
35
SSE
Wind State
cross-on
on
on
cross-on
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-off
cross-off
High Tide
5:23PM2.80m
5:37AM2.56m
6:02PM2.98m
6:14AM2.70m
6:37PM3.07m
Low Tide
10:54AM0.28m
11:32PM0.29m
11:36AM0.07m
00:10AM0.15m
12:14PM-0.07m
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
rain showers
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:46
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
7:58
7:54
 mm
2
1
Temp °C
13
14
14
14
13
14
13
13
13
14
15
15
14
14
13
14
14
14
14
14
15
Feels °C
9
11
11
11
9
9
6
5
5
7
10
8
9
8
6
7
9
10
10
11
8
  • 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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