Surf Forecasts:
Mill Bay surf forecast from 21 Sep 2026:
- Best quality surf: Friday 25 Sep, 10AM (local time) - 1ft (0.3m), 17s period, NW swell with offshore winds.
- Most powerful swell: Monday 28 Sep, 4AM (local time) - 3.5ft (1.0m), 6s period, SE swell with 73 kJ wave energy.
- Next surfable swell (1★+): Friday 25 Sep, 10AM (local time) - 1ft (0.3m), 17s period with NW swell.
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 Friday (Sep 25) at 10AM. The primary swell is predicted to be 0.3m and 17s period with a secondary swell of 0.3m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Mill Bay in the next 16 days are 1.0m 6s and forecast to arrive on Monday (Sep 28) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Thursday (Sep 24) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Fri 25th Sep) | 1ft (0.3m) 17s |
| Best Surf | 10AM (Fri 25th Sep) | 1ft (0.3m) 17s |
| Most Powerful | 4AM (Mon 28th Sep) | 3.5ft (1.0m) 6s |
Table - best surf conditions forecast for Mill Bay over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 17°C on Mon night, min 10°C on Mon morning). Winds decreasing (fresh winds from the S on Mon morning, calm by Wed night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Fri morning. Very mild (max 14°C on Thu night, min 10°C on Thu morning). Winds decreasing (strong winds from the SSE on Thu afternoon, light winds from the WSW by Fri morning). | ||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | N 8 | N 8 | N 8 | NNE 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 12 | NNW 12 | NNW 11 | NW 17 | N 10 | N 10 | NW 13 | N 9 | N 14 | SE 6 | NNW 13 | NNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 74 | 63 | 31 | 20 | 11 | 5 | 1 | 1 | 1 | 12 | 28 | 40 | 44 | 18 | 7 | 7 | 1 | 4 | 46 | 33 | 48 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off |
High Tide | 7:53PM1.94m | 8:46AM1.89m | 8:46PM2.11m | 9:28AM2.03m | 9:26PM2.28m | 10:03AM2.19m | 10:01PM2.44m | 10:36AM2.33m | 10:34PM2.57m | 11:07AM2.45m | 11:07PM2.67m | 11:38AM2.53m | 11:42PM2.72m | ||||||||
Low Tide | 1:48PM1.13m | 2:32AM0.83m | 2:38PM0.96m | 3:12AM0.63m | 3:15PM0.79m | 3:44AM0.42m | 3:47PM0.62m | 4:14AM0.24m | 4:18PM0.46m | 4:44AM0.09m | 4:50PM0.33m | 5:15AM-0.00m | 5:23PM0.23m | ||||||||
 |  |  | | |  |  | |  |  | | | | | | | | | | | | |
 | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — |
 | — | 7:14 | — | — | 7:10 | — | — | 7:07 | — | — | 7:05 | — | — | 7:01 | — | — | 7:00 | — | — | 6:57 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — |
Temp °C | 11 | 15 | 17 | 16 | 12 | 12 | 12 | 11 | 11 | 11 | 13 | 14 | 12 | 13 | 13 | 12 | 12 | 13 | 12 | 13 | 14 |
Feels °C | 5 | 12 | 14 | 12 | 8 | 10 | 7 | 6 | 9 | 2 | 4 | 7 | 9 | 9 | 8 | 6 | 7 | 9 | 6 | 7 | 9 |
Swell 1 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | NNE 8 | WNW 10 | NW 15 | WNW 14 | WNW 13 | WNW 12 | WNW 11 | WNW 12 | WNW 12 | WNW 17 | WNW 16 | WNW 14 | WNW 12 | WNW 12 | WNW 11 | SE 6 | E 7 | E 7 |
| kJ | 74 | 63 | 31 | 20 | 34 | 226 | 229 | 151 | 94 | 79 | 57 | 57 | 622 | 552 | 239 | 104 | 79 | 50 | 46 | 9 | 14 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | NW 12 | WNW 11 | WNW 10 | N 8 | N 8 | N 8 | N 8 | N 8 | N 12 | NNW 12 | NNW 11 | N 10 | N 10 | SSE 6 | N 9 | N 8 | N 14 | WNW 10 | WNW 10 | NNW 12 |
| kJ | 82 | 35 | 23 | 21 | 11 | 5 | 1 | 1 | 1 | 12 | 28 | 40 | 19 | 18 | 17 | 2 | 1 | 4 | 37 | 20 | 48 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 11 | W 10 | W 12 | S 4 | S 5 | — | N 8 | W 12 | — | NW 13 | W 13 | NW 17 | N 10 | N 10 | NW 13 | N 9 | N 14 | N 13 | NNW 13 | WNW 10 |
| kJ | 3 | 2 | 2 | 3 | 3 | 2 | — | 1 | 3 | — | 7 | 13 | 44 | 8 | 7 | 7 | 1 | 4 | 13 | 33 | 11 |
Wind waves Height (m) Direction Period (s) | SSW 3 | S 4 | S 4 | SSW 4 | W 3 | — | WNW 3 | WNW 3 | — | SSE 3 | S 5 | SSE 6 | SSE 6 | SSE 6 | — | SSE 3 | SSE 4 | SSE 5 | SW 4 | SSE 6 | SSE 6 |
| kJ | 2 | 22 | 4 | 26 | 3 | — | 3 | 3 | — | 5 | 141 | 194 | 68 | 48 | — | 5 | 29 | 44 | 7 | 68 | 60 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 75 | 24 | 24 | 63 | 65 | 24 | 66 | 595 | 24 | 155 | 75 | 64 | 0 | 63 | 24 | 64 | 73 | 24 | 500 | 63 | 24 |
Best forecast wave conditions in Orkney Islands | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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.
Nearest