Machir Bay (Islay) surfForecast / Scot – Inner Hebrides / UK

information circle48hr Weather and Surf, issued 6 pm Wednesday 29 Apr 2026 BST
Forecast update in hr  min  s Forecast update imminent
Machir Bay (Islay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Machir Bay (Islay) sea temperature is
9.4° C
(Which is normal for this time of year)

How big are the waves at Machir Bay (Islay) today?

The current surf forecast for Machir Bay (Islay) at 12AM is: 1.6m 15s primary swell from a West-northwest direction and 0.9m 11s secondary swell from a West-southwest direction (forecast issued at 06:00pm April 29). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (BST) & DateWave HeightWave Period
Morning (30 Apr)5ft (1.6m)14s
Afternoon (30 Apr)4.5ft (1.4m)14s
Evening (30 Apr)4.5ft (1.3m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Fri morning. Very mild (max 15°C on Thu afternoon, min 9°C on Fri morning). Winds increasing (light winds from the SE on Wed afternoon, fresh winds from the SE by Thu night).

Wed
29
Thursday
30
Friday
1
Sat
2
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
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
4
4
4
3
4
4
3
1
1
1
2
0
0
0
0
0
1
1
1
1
1
1
1
2
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.4
WNW
16
1.8
W
16
1.6
WNW
16
1.6
WNW
15
1.6
WNW
15
1.7
W
14
1.6
WNW
14
1.5
WNW
14
1.4
WNW
14
1.4
WNW
13
1.3
WNW
13
1.2
WNW
13
1.2
WNW
12
1.2
WNW
12
1.1
WNW
12
1.1
WNW
12
1.1
WNW
11
1
WNW
11
1
WNW
11
0.9
WNW
11
1
WNW
10
1
WNW
10
1
WNW
10
1.1
WNW
10
Wave Graph
Metric surfscale
Energy kJ
964
1630
1298
1232
1168
1229
980
826
733
690
581
492
447
425
349
343
308
249
245
198
231
222
218
227
Wind (km/h)
15
SE
10
SE
15
ESE
20
ESE
20
E
20
E
25
ESE
30
ESE
30
SSE
30
SE
25
SE
35
SE
35
SE
35
SE
30
SE
25
SE
25
SE
25
SE
20
SE
25
ESE
20
SE
20
SSE
20
SSE
15
SSE
cross-off
cross-off
off
cross-off
off
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-off
High Tide
5:14PM2.44m
5:32AM2.67m
5:47PM2.55m
6:02AM2.68m
6:17PM2.62m
6:31AM2.65m
Low Tide
11:13PM0.31m
11:38AM0.31m
11:48PM0.26m
12:08PM0.26m
00:21AM0.26m
12:37PM0.26m
clear
clear
clear
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:43
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:59
9:00
9:02
9:05
1
Temp °C
13
14
14
11
11
10
11
14
14
15
15
12
10
10
9
9
10
11
11
10
10
9
9
10
9
11
10
6
6
4
5
7
7
9
10
4
2
2
2
3
4
6
7
5
6
5
5
7
Swell 1
Height (m)
Direction
Period (s)
1.4
WNW
16
1.8
W
16
1.6
WNW
16
1.6
WNW
15
1.6
WNW
15
1.7
W
14
1.6
WNW
14
1.5
WNW
14
1.4
WNW
14
1.4
WNW
13
1.3
WNW
13
1.2
WNW
13
1.2
WNW
12
1.2
WNW
12
1.1
WNW
12
1.1
WNW
12
1.1
WNW
11
1
WNW
11
1
WNW
11
0.9
WNW
11
1
WNW
10
1
WNW
10
1
WNW
10
1.1
WNW
10
Energy kJ
964
1630
1298
1232
1168
1229
980
826
733
690
581
492
447
425
349
343
308
249
245
198
231
222
218
227
Swell 2
Height (m)
Direction
Period (s)
1
W
12
0.9
W
12
0.9
WSW
12
0.9
WSW
11
0.5
WSW
11
0.4
WSW
11
0.4
WSW
11
0.4
W
11
0.3
WSW
9
0.3
WSW
9
0.3
WSW
9
0.4
W
10
0.3
W
11
0.3
W
10
0.3
W
10
0.3
W
10
0.3
WSW
10
0.2
W
9
0.2
SSE
3
Energy kJ
284
217
224
193
68
46
38
37
17
17
17
32
20
17
17
18
18
7
1
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.5
ESE
3
0.6
ESE
3
0.7
ESE
4
0.7
SE
4
0.8
SE
4
0.6
SSE
5
0.6
SSE
5
0.6
SSE
4
0.7
SE
4
1
SE
4
0.9
SE
4
0.6
SE
4
0.5
SE
3
0.5
SE
3
0.4
SE
3
0.4
SE
3
0.4
SE
3
0.3
SSE
3
0.4
SSE
3
0.4
S
3
0.3
S
3
Energy kJ
6
8
11
14
18
14
14
13
14
38
26
10
5
5
2
2
2
1
3
3
1
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
3
2
4
2
2
2
2
1
1
1
1
1
1
1
1
1
1
2
Distance (km)
0
0
0
16
0
0
16
52
76
62
62
62
62
52
52
52
52
52
14
61
16
16
14
0
Best forecast wave conditions in Inner Hebrides
Rating
(10 max)
4
4
4
4
4
4
3
4
3
2
2
2
2
2
2
2
2
2
1
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
4
5
5
5
4
4
4
4
4
4
4
4
3
3
3
3
2
2
2
2
2
2
1
2
Header Global
Rating
(10 max)
8
7
6
5
5
5
5
4
5
6
6
6
7
5
5
5
5
5
9
5
7
5
5
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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