Mill Bay surfForecast / Scot – Orkney / UK

information circle48hr Weather and Surf, issued 6 am Tuesday 12 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Mill Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mill Bay sea temperature is
8.6° C
(Which is normal for this time of year)

How big are the waves at Mill Bay today?

The current surf forecast for Mill Bay at 2PM is: 0.5m 8s primary swell from a North direction (forecast issued at 06:00am May 12). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)2ft (0.6m)8s
Afternoon (12 May)1.5ft (0.5m)8s
Evening (12 May)3.5ft (1.1m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Tue afternoon. Mild temperatures (max 8°C on Tue morning, min 6°C on Thu night). Winds increasing (calm on Tue night, strong winds from the NNW by Thu night).

Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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
4 PM
7 PM
10 PM
1 AM
Rating
(10 max)
0
0
0
0
0
0
1
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
N
9
0.7
N
9
0.6
N
8
0.5
N
8
0.5
N
8
1.1
NW
12
1.1
NW
11
0.9
NW
11
0.9
NW
12
0.9
NW
12
0.9
NW
12
0.3
N
7
0.2
N
7
0.8
NW
12
0.6
N
4
0.6
NW
11
0.5
NW
11
1.6
N
6
2
N
7
2.1
N
7
2.1
N
7
2.5
N
8
2.5
N
8
2.5
N
8
Wave Graph
Metric surfscale
Energy kJ
97
73
50
33
32
293
283
209
220
244
212
8
4
172
9
99
58
163
356
465
461
690
766
986
Wind (km/h)
35
SW
35
W
40
WNW
45
WNW
40
W
30
WSW
25
WSW
10
WSW
5
WNW
5
NNW
5
N
10
NNE
15
NNE
20
N
20
NNW
25
NNW
30
N
35
N
40
N
40
N
40
N
50
NNW
45
NNW
50
NNW
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
glassy
cross
cross-on
on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
7:09AM2.08m
8:12PM2.04m
8:03AM2.21m
8:58PM2.23m
8:54AM2.37m
9:40PM2.40m
Low Tide
1:42PM0.52m
1:58AM0.84m
2:28PM0.34m
2:46AM0.65m
3:12PM0.19m
light rain
part cloud
clear
clear
part cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
light rain
clear
clear
clear
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:46
4:43
4:41
4:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:28
9:30
9:31
9:34
2
1
1
1
Temp °C
8
8
8
8
8
8
8
7
7
7
7
8
8
8
8
8
8
8
8
8
8
8
7
7
0
-1
-1
-2
-1
1
1
3
4
4
4
5
4
3
2
2
1
0
-1
-2
-2
-3
-4
-4
Swell 1
Height (m)
Direction
Period (s)
0.8
N
9
0.7
N
9
0.6
N
8
0.5
N
8
0.5
N
8
1.1
NW
12
1.1
NW
11
0.9
NW
11
0.9
NW
12
0.9
NW
12
0.9
NW
12
0.8
WNW
12
0.7
NW
12
0.8
NW
12
0.7
WNW
12
0.6
NW
11
0.5
NW
11
0.4
NW
11
0.4
NW
10
0.4
WNW
10
0.5
NE
9
0.7
NE
10
1.4
NE
10
Energy kJ
97
73
50
33
32
293
283
209
220
244
212
187
149
172
121
99
58
30
28
38
36
94
354
Swell 2
Height (m)
Direction
Period (s)
0.2
WNW
12
0.5
S
5
0.3
S
5
0.2
S
5
0.4
N
8
0.4
N
8
0.3
N
8
0.3
N
7
0.3
N
7
0.3
N
7
0.3
N
7
0.2
N
7
0.1
SE
4
0.1
SE
4
0.1
W
11
0.1
W
11
0.1
W
11
Energy kJ
14
10
4
2
19
18
10
10
9
8
8
4
1
1
2
2
2
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
5
0.1
E
5
0.1
W
10
0.1
W
11
0.1
W
11
0.3
N
7
0.2
SSE
4
0.2
SSE
4
0.1
SE
4
Energy kJ
1
1
2
2
3
9
2
2
1
Wind waves
Height (m)
Direction
Period (s)
1.1
SW
4
0.9
WNW
4
1.2
WNW
4
1.3
WNW
5
1.3
WNW
10
0.7
W
4
0.4
WSW
3
0.3
SW
3
0.2
N
7
0.6
N
4
0.7
N
4
1
N
4
1.6
N
6
2
N
7
2.1
N
7
2.1
N
7
2.5
N
8
2.5
N
8
2.5
N
8
Energy kJ
46
23
55
81
374
16
4
1
4
9
14
37
163
356
465
461
690
766
986
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
3
4
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
2
2
Distance (km)
162
356
526
666
463
66
64
0
0
65
65
65
586
545
65
65
65
691
915
915
942
463
463
468
Best forecast wave conditions in Orkney Islands
Rating
(10 max)
4
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
1
1
1
3
4
4
4
4
2
2
4
1
1
1
1
1
1
1
2
1
Header Global
Rating
(10 max)
9
5
9
8
8
9
9
9
9
9
7
6
7
6
8
9
9
5
5
5
5
5
5
5
  • 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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