Mill Bay surfForecast / Scot – Orkney / UK

information circle12 Day Weather and Surf, issued 11 pm Thursday 11 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
10.0° 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 Friday (Dec 12) at 6AM. The primary swell is predicted to be 0.7m and 11s period. 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 0.8m 24s and forecast to arrive on Thursday (Dec 18) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Monday (Dec 15) at 6AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 12th Dec)2.5ft (0.7m) 11s
Best Surf 6AM (Fri 12th Dec)2.5ft (0.7m) 11s
Most Powerful12PM (Thu 18th Dec)2.5ft (0.8m) 24s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 14mm), heaviest on Sun morning. Very mild (max 13°C on Sun morning, min 8°C on Thu night). Winds increasing (light winds from the SSW on Thu night, gales from the SW by Sun morning).

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Sun night. Very mild (max 11°C on Sun night, min 7°C on Tue night). Winds increasing (light winds from the WSW on Sun night, gales from the SSE by Tue night).

Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
N
0.6
NNE
0.5
NNE
0.3
NNE
0.2
NNE
0.1
N
2.3
S
1.4
SSE
0.3
NW
1.7
SE
3
SSE
1.7
SE
0.4
NW
0.1
N
0.2
N
0.2
NNW
0.2
N
0.1
NW
0.1
N
0.6
N
0.7
N
Period(s) (?)1211111010989129101071110988172524
Wave
Graph
(?)Metric surfscale
Energy kJ (?)174956822920024449056914288736468551
Wind
(km/h)
20
SW
20
S
30
SSW
40
SSW
45
SSW
60
SSW
50
SW
40
S
50
WSW
30
ESE
55
S
45
SW
30
SW
40
WSW
35
SSW
40
SSW
55
S
40
SSW
50
SSW
70
SW
60
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
offcross-
off
cross-
off
offcross-
off
cross-
off
crosscross-
off
offoffoffoffcross-
off
cross-
off
offoffoffoff
High Tide
/ height (m)
4:19AM
1.92
4:11PM
2.18
5:22AM
1.90
5:16PM
2.08
6:22AM
1.94
6:21PM
2.05
7:14AM
2.02
7:20PM
2.06
7:59AM
2.11
8:13PM
2.12
8:39AM
2.21
8:59PM
2.19
9:17AM
2.30
Low Tide
/ height (m)
9:48PM
0.49
9:49AM
0.99
10:57PM
0.58
11:08AM
1.01
11:59PM
0.63
12:19PM
0.96
12:52AM
0.66
1:16PM
0.87
1:38AM
0.66
2:02PM
0.76
2:18AM
0.66
2:43PM
0.66
2:56AM
0.63
3:20PM
0.57
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
Sunrise-8:55--8:56--8:56--8:57--8:59--9:00--9:00-
Sunset--3:11--3:11--3:11--3:11--3:11--3:11--3:11
rain showers
part cloud
clear
part cloud
cloud
light rain
rain showers
light rain
clear
light rain
cloud
cloud
part cloud
part cloud
part cloud
rain showers
rain showers
clear
rain showers
part cloud
part cloud
Rain (mm)
2----525-5-----21-1--
Temp. °C119999101213101111999881110999
Feels °C (?)5531-1-22100-1-120-1-101-1-6-4
  • 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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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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