Mill Bay surfForecast / Scot – Orkney / UK

information circle16 Day Weather and Surf, issued 12 pm Saturday 16 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
8.9° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Mill Bay this week:

The surf forecast for Mill Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 17) at 1AM. The primary swell is predicted to be 0.8m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mill Bay in the next 16 days are 2.1m 7s and forecast to arrive on Wednesday (May 20) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (May 19) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 17th May)2.5ft (0.8m) 8s
Best Surf 7AM (Wed 20th May)5ft (1.5m) 7s
Most Powerful 1AM (Wed 20th May)7ft (2.1m) 7s

Table - best surf conditions forecast for Mill Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Sun morning. Very mild (max 10°C on Sun night, min 7°C on Sat morning). Winds increasing (light winds from the NW on Sat night, fresh winds from the SE by Mon night).

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Tue night. Very mild (max 14°C on Thu night, min 9°C on Tue morning). Winds decreasing (near gales from the SE on Tue afternoon, calm by Wed morning).

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
N
9
1.2
N
8
0.8
N
8
0.6
N
8
0.5
N
8
0.4
NNE
8
0.7
SE
5
0.8
SE
5
0.4
NNE
8
0.3
NNE
8
0.3
NNE
8
2.1
SE
7
1.3
SE
7
1.2
SE
7
0.9
SE
7
0.2
E
6
0.1
E
5
0.4
NW
8
0.4
NW
7
0.4
NNW
7
0.5
SE
5
Wave Graph
Metric surfscale
Energy kJ
335
201
84
49
35
22
28
28
22
13
11
485
184
139
67
3
1
23
13
15
11
Wind (km/h)
30
NNW
20
NW
10
SSW
15
SSE
10
SSW
10
ESE
20
SE
25
SE
25
SE
40
SE
45
SE
40
SSE
5
SW
20
SW
35
WSW
25
W
5
NNW
25
SSE
5
E
0
SW
10
S
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross-off
glassy
off
off
cross-off
glassy
cross-off
cross-on
glassy
cross-off
High Tide
10:33AM2.65m
11:03PM2.63m
11:23AM2.71m
11:46PM2.68m
12:15PM2.70m
00:32AM2.68m
1:09PM2.61m
1:20AM2.63m
2:06PM2.45m
2:12AM2.55m
3:07PM2.27m
3:09AM2.45m
4:13PM2.10m
Low Tide
4:39PM0.07m
5:00AM0.14m
5:24PM0.11m
5:46AM0.05m
6:09PM0.21m
6:35AM0.04m
6:56PM0.37m
7:28AM0.10m
7:45PM0.54m
8:26AM0.20m
8:39PM0.72m
9:33AM0.32m
9:42PM0.87m
part cloud
part cloud
light rain
rain showers
clear
clear
part cloud
clear
part cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
cloud
rain showers
rain showers
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:37
4:35
4:33
4:31
4:28
4:26
4:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:37
9:38
9:40
9:43
9:45
9:47
9:50
1
2
3
2
2
1
Temp °C
8
8
8
8
9
10
9
9
9
9
9
9
11
12
10
10
10
14
12
13
13
2
3
5
4
5
6
4
3
3
1
0
-1
8
8
4
5
9
11
11
13
11
Swell 1
Height (m)
Direction
Period (s)
0.1
W
7
1.2
N
8
0.8
N
8
0.6
N
8
0.5
N
8
0.4
NNE
8
0.4
NNE
8
0.4
NNE
8
0.4
NNE
8
0.3
NNE
8
0.3
NNE
8
0.2
N
8
1.3
SE
7
1.2
SE
7
0.9
SE
7
0.6
SSE
7
0.4
SSE
6
0.4
NW
8
0.4
NW
7
0.4
NNW
7
0.5
SE
5
Energy kJ
1
201
84
49
35
22
22
23
22
13
11
4
184
139
67
29
16
23
13
15
11
Swell 2
Height (m)
Direction
Period (s)
0.1
W
16
0.1
W
8
0.2
WNW
13
0.3
WNW
13
0.4
WNW
14
0.3
WNW
13
0.3
WNW
12
0.3
WNW
11
0.2
WNW
11
0.2
WNW
10
0.2
WNW
10
0.1
W
9
0.1
W
16
0.2
WNW
15
0.5
E
6
0.2
E
6
0.1
E
5
0.1
N
7
0.1
W
11
0.1
W
10
0.3
NNW
6
Energy kJ
5
1
16
35
66
33
28
24
11
10
9
2
5
21
18
3
1
1
2
2
8
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
0.1
NE
4
0.1
NW
13
0.1
W
13
0.1
NW
13
0.1
W
12
0.1
W
11
0.1
W
10
0.1
W
10
0.1
W
15
0.1
W
13
0.1
N
7
0.1
N
7
0.1
N
8
0.1
N
8
0.1
W
12
0.1
W
11
0.1
N
7
0.1
W
10
Energy kJ
4
1
7
3
7
3
2
2
2
4
3
1
1
1
1
3
2
1
2
Wind waves
Height (m)
Direction
Period (s)
1.5
N
9
0.5
SE
4
0.6
SE
4
0.6
SE
4
0.7
SE
5
0.8
SE
5
1.1
SE
5
1.4
SE
5
1.6
SE
6
2.1
SE
7
0.8
W
4
1
W
4
0.7
WNW
7
0.4
SSE
6
0.4
SSE
5
0.4
SSE
4
Energy kJ
335
7
12
15
28
28
55
106
184
485
17
36
38
14
11
6
Nearest Offshore or Glassy
Rating
(10 max)
3
2
1
4
3
3
3
2
1
1
1
1
1
1
1
1
2
1
1
1
1
Distance (km)
139
139
0
43
24
24
41
73
73
155
155
67
0
0
196
102
24
24
24
24
24
Best forecast wave conditions in Orkney Islands
Rating
(10 max)
3
4
4
4
3
2
1
2
2
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
3
4
4
4
3
2
2
2
1
1
2
2
4
3
2
2
2
2
2
Header Global
Rating
(10 max)
5
4
6
7
4
5
4
4
4
4
4
4
9
9
9
7
5
4
5
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Mill Bay Surf forecast

The above surf forecast table for Mill Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mill Bay can be found by selecting the local surf guide option on the grey menu. Our Mill Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Mill Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Mill Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Orkney Islands? If you are looking for accommodation near Mill Bay, camping, hotels and holiday cottages in Orkney Islands, consider staying in Kirkwall which is 27 km (17 miles) away. Other places in and around Orkney Islands where you can find information about places to rent, and car hire include Scrabster which is 78 km (48 miles) away and Wick, 83 km (52 miles) away.

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