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Surf Forecasts:

Mill Bay surfForecast / Scot – Orkney / UK

information circle12 Day Weather and Surf, issued 12 am Friday 19 Sep 2025 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
14.3° C
 (Which is 2.1°C warmer than normal for this time of year)

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 (Sep 22) at 1AM. The primary swell is predicted to be 3.0m and 12s period with a secondary swell of 0.6m and 7s. Another secondary swell of 2.4m and 12s is also forecast. 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 3.0m 12s and forecast to arrive on Sunday (Sep 21) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 5s period and expected on Monday (Sep 22) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Mon 22nd Sep)10ft (3.0m) 12s
Best Surf 1AM (Mon 22nd Sep)10ft (3.0m) 12s
Most Powerful 7PM (Sun 21st Sep)10ft (3.0m) 12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 4mm), mostly falling on Fri night. Very mild (max 15°C on Fri afternoon, min 9°C on Sat night). Winds increasing (light winds from the W on Thu night, near gales from the NNW by Sat night).

Days 3-6 Weather Summary Some drizzle, heaviest during Mon night. Very mild (max 12°C on Mon morning, min 10°C on Sun night). Winds decreasing (strong winds from the WNW on Sun night, calm by Tue night).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thu
25
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
!
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
N
1
N
0.8
N
0.5
NNE
2.5
N
2.1
N
2.3
N
3
N
3
N
3
N
1.4
N
1.1
N
1.7
NNW
1.2
N
0.9
N
0.6
N
0.4
NE
0.3
N
0.2
N
0.2
N
0.1
N
Period(s) (?)999118981011121010998887778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1761641066879669168418442177220940222344622510941189441
Wind
(km/h)
10
W
35
SW
30
WSW
40
SSW
45
NNW
45
NNW
35
NNW
55
NNW
50
NNW
40
WNW
45
WNW
45
WNW
40
NW
20
NNW
20
NNW
5
NE
15
SSE
15
SE
20
SSE
20
SE
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffoffcross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		crosscrosscross-
on		glasscross-
off		crosscross-
off		crosscross
High Tide
/ height (m)
10:01AM
2.27
9:59PM
2.50
10:39AM
2.36
10:37PM
2.62
11:12AM
2.43
11:11PM
2.67
11:42AM
2.47
11:44PM
2.68
12:11PM
2.48
12:16AM
2.64
12:39PM
2.45
12:49AM
2.55
1:07PM
2.38
Low Tide
/ height (m)
3:37AM
0.32
3:46PM
0.62
4:16AM
0.17
4:22PM
0.49
4:50AM
0.08
4:54PM
0.39
5:20AM
0.05
5:25PM
0.32
5:49AM
0.08
5:55PM
0.30
6:18AM
0.17
6:25PM
0.32
6:46AM
0.31
6:56PM
0.39
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thu
25
Sunrise-6:46--6:48--6:50--6:52--6:54--6:58--7:00-
Sunset--7:20--7:16--7:14--7:10--7:07--7:05--7:01
cloud
part cloud
part cloud
rain showers
cloud
part cloud
rain showers
rain showers
cloud
part cloud
cloud
part cloud
light rain
cloud
part cloud
part cloud
part cloud
clear
clear
cloud
part cloud
Rain (mm)
---1--21----1--------
Temp. °C14141514101010910111212121111111111101011
Feels °C (?)9798-1-1-3-3-1122377977667
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Scot - Orkney

  1. weather stationWind Update Continuing clean conditions at Mill Bay (calm at Stromness 42 km from Mill Bay). 0.5m 9s swell from the NE to make surfable waves.

    2 hours 4 minutes ago Mill Bay
Expand
<
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42 km away, 2 h 4 min ago

0 km/h
N
0.0
14.3
Air / Water (°C)
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mill Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Mill Bay at:
surf-forecast.com

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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