Mill Bay surfForecast / Scot – Orkney / UK

information circle12 Day Weather and Surf, issued 5 am Wednesday 31 Dec 2025 GMT
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
9.3° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Mill Bay this week:

The surf forecast for Mill Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jan 05) at 9PM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mill Bay in the next 12 days are 5.0m 13s and forecast to arrive on Thursday (Jan 01) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 10s period and expected on Wednesday (Dec 31) at 6PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 5th Jan)5ft (1.6m) 8s
Best Surf 9PM (Mon 5th Jan)5ft (1.6m) 8s
Most Powerful 9AM (Thu 1st Jan)16ft (5.0m) 13s

Table - best surf conditions forecast for Mill Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 26mm), heaviest during Fri night. Mild temperatures (max 8°C on Wed morning, min 2°C on Thu night). Winds increasing (strong winds from the WNW on Wed morning, severe gales from the NNW by Wed night).

Days 3-6 Weather Summary Heavy rain (total 21mm), heaviest during Mon morning. Mild temperatures (max 7°C on Mon night, min 2°C on Sat morning). Mainly gales.

Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
NNE
0.8
NNE
4
NW
5
N
5
N
4.5
N
4
N
4
N
4.5
N
4.5
N
4
NNE
3
N
2.5
N
2.2
N
1.9
N
1.5
N
1
NNE
1
N
0.7
NNE
0.6
N
0.6
N
Period(s) (?)121212131312111111121110991010101110109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)367179419691918426569242234026480349504082189511378286874342142291026557
Wind
(km/h)
50
WNW
60
W
75
NW
70
NNW
65
NNW
65
NNW
60
N
60
N
70
N
60
N
60
N
55
N
45
N
40
NNW
35
NNW
65
WNW
15
NNE
15
S
35
S
10
NW
25
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
oncross-
off
cross-
off
crosscross-
on
High Tide
/ height (m)
7:39PM
2.30
8:16AM
2.35
8:45PM
2.43
9:10AM
2.50
9:44PM
2.54
9:59AM
2.65
10:37PM
2.59
10:46AM
2.76
11:27PM
2.57
11:32AM
2.81
12:15AM
2.49
12:16PM
2.80
1:01AM
2.37
Low Tide
/ height (m)
1:20PM
0.64
1:52AM
0.45
2:21PM
0.44
2:47AM
0.40
3:15PM
0.24
3:37AM
0.35
4:07PM
0.07
4:24AM
0.33
4:57PM
-0.03
5:08AM
0.35
5:45PM
-0.06
5:50AM
0.40
6:32PM
-0.02
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Sunrise9:04--9:04--9:03--9:03--9:03--9:02--9:02--
Sunset-3:21--3:22--3:23--3:25--3:26--3:27--3:30-
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
cloud
light rain
rain showers
cloud
Rain (mm)
-1422522811422110--21-
Temp. °C875434333223345547678
Feels °C (?)-3-6-11-13-13-12-12-12-12-12-12-9-9-7-3-9-10-233
  • 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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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 12 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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