Mill Bay surfForecast / Scot – Orkney / UK

information circle12 Day Weather and Surf, issued 11 am Wednesday 18 Feb 2026 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
6.8° C
(Which is slightly cooler than normal)


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 Saturday (Feb 21) at 3PM. The primary swell is predicted to be 1.2m 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 12 days are 2.5m 9s and forecast to arrive on Friday (Feb 20) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Thursday (Feb 19) at 6PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sat 21st Feb)4ft (1.2m) 8s
Best Surf 6PM (Sat 21st Feb)4ft (1.2m) 8s
Most Powerful12AM (Fri 20th Feb)8ft (2.5m) 9s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 6mm), mostly falling on Fri night. Mild temperatures (max 7°C on Fri night, min 4°C on Wed morning). Winds decreasing (near gales from the S on Thu afternoon, light winds from the NNW by Fri night).

Days 3-6 Weather Summary Moderate rain (total 16mm), heaviest on Sat night. Mild temperatures (max 8°C on Sat night, min 4°C on Sat night). Winds increasing (light winds from the WNW on Sat afternoon, strong winds from the SW by Sun night).

Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
1
2
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
N
1.6
N
1.5
N
1.2
N
1
N
2.5
SE
1.9
SE
1.8
SE
1.2
SE
1.5
NNW
1.2
N
1.7
N
1.3
NNE
1.1
NNE
0.8
NNE
0.7
NNE
0.6
N
0.4
NNE
1.6
SE
0.3
NNE
1.6
SSE
Period(s) (?)1313131211999878121112111099798
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10548007374072551129606492191210163814438343156986327208160
Wind
(km/h)
35
SSE
45
SSE
50
SSE
50
S
50
S
50
S
35
S
40
WSW
35
S
35
NW
10
WNW
30
SSW
40
SW
35
SSW
30
SSW
45
WSW
35
WNW
25
SSE
55
SSE
60
S
55
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
offoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
10:59AM
2.72
11:31PM
2.44
11:32AM
2.77
12:05AM
2.46
12:06PM
2.75
12:39AM
2.43
12:42PM
2.68
1:16AM
2.37
1:23PM
2.55
1:56AM
2.26
2:11PM
2.38
2:45AM
2.13
3:12PM
2.18
Low Tide
/ height (m)
5:07PM
0.00
5:09AM
0.28
5:40PM
-0.05
5:43AM
0.26
6:14PM
-0.02
6:19AM
0.29
6:51PM
0.09
6:58AM
0.37
7:31PM
0.27
7:42AM
0.50
8:17PM
0.51
8:36AM
0.66
9:17PM
0.76
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise7:37--7:35--7:33--7:30--7:28--7:24--7:22--
Sunset-5:09--5:13--5:15--5:17--5:20--5:22--5:24-
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
light rain
rain showers
part cloud
cloud
light rain
cloud
light rain
light rain
rain showers
part cloud
light rain
light rain
light rain
part cloud
Rain (mm)
-------24--4-143-411-
Temp. °C455555667768877887999
Feels °C (?)-6-6-6-7-6-7-3-30-220-1-1-2-203-2-40
  • 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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