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Mill Bay surfForecast / Scot – Orkney / UK
48hr Weather and Surf, issued 6 pm Thursday 21 May 2026 BSTForecast 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
9.1° C
(Which is normal for this time of year)How big are the waves at Mill Bay today?
The current surf forecast for Mill Bay at 11PM is: 0.6m 6s primary swell from a Southeast direction (forecast issued at 06:00pm May 21). An open ocean swell of 0.2m 6s is not directed at the surf break, a second open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 1.5ft (0.4m) | 6s |
| Evening (21 May) | 1.5ft (0.5m) | 6s |
Table - waves today at Mill Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Very mild (max 17°C on Fri afternoon, min 10°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 6 | ESE 6 | SE 6 | E 5 | N 7 | SE 5 | SSE 5 | N 6 | N 6 | N 6 | N 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | W 4 | SSE 6 | SSE 6 | S 6 | S 4 | S 5 | S 5 | |
6 | 6 | 25 | 2 | 1 | 14 | 0 | 1 | 1 | 1 | 1 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | cross-on | cross-off | cross-off | off | cross-off | off | off | off | off | off | off | off | cross-off | |
High Tide | 3:07PM2.27m | 3:09AM2.45m | 4:13PM2.10m | 4:11AM2.35m | 5:24PM2.00m | 5:18AM2.26m | ||||||||||||||||||
Low Tide | 8:39PM0.72m | 9:33AM0.32m | 9:42PM0.87m | 10:48AM0.42m | 10:57PM0.96m | 12:05PM0.45m | ||||||||||||||||||
 |  |  |  |  |  |  | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 4:24 | — | — | — | — | — | — | — | 4:22 | — | — | — | — | — | — | — | 4:20 | — | — | — |
 | — | 9:47 | — | — | — | — | — | — | — | 9:50 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | 9:53 |
— | — | — | — | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 14 | 14 | 14 | 13 | 15 | 15 | 15 | 17 | 14 | 12 | 12 | 12 | 10 | 11 | 11 | 12 | 13 | 13 | 12 | 12 | 11 | 10 | 11 |
8 | 11 | 12 | 11 | 10 | 12 | 12 | 11 | 14 | 11 | 12 | 10 | 11 | 3 | 5 | 6 | 7 | 8 | 9 | 7 | 7 | 7 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | E 6 | SSE 6 | SE 6 | SSE 6 | W 7 | SE 5 | SSE 5 | W 5 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | WNW 8 | WNW 8 | WNW 8 | WNW 7 |
 kJ | 6 | 15 | 25 | 20 | 3 | 14 | 19 | 1 | 27 | 28 | 20 | 25 | 22 | 21 | 22 | 22 | 23 | 20 | 19 | 13 | 14 | 13 | 13 | 9 |
Swell 2 Height (m) Direction Period (s) | W 12 | ESE 6 | W 6 | W 6 | W 11 | W 6 | W 6 | W 10 | W 10 | N 6 | W 10 | W 10 | W 6 | W 12 | — | W 11 | W 6 | W 6 | W 7 | WNW 8 | W 11 | W 10 | W 10 | W 10 |
| kJ | 11 | 6 | 1 | 3 | 2 | 1 | 1 | 2 | 2 | 1 | 2 | 8 | 1 | 3 | — | 2 | 1 | 1 | 4 | 13 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | N 7 | W 11 | W 11 | E 5 | N 7 | W 11 | W 11 | N 6 | N 6 | N 6 | N 6 | — | W 10 | — | — | — | W 8 | W 8 | W 8 | — | W 10 | — | — | — |
| kJ | 1 | 10 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | — | 2 | — | — | — | 1 | 1 | 1 | — | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 6 | S 4 | WSW 3 | — | SSE 5 | S 3 | — | SSE 5 | — | WNW 2 | WNW 2 | — | — | WSW 2 | WSW 4 | WSW 4 | W 4 | W 4 | W 4 | SW 3 | S 6 | S 4 | S 5 | S 5 |
| kJ | 31 | 6 | 1 | — | 19 | 5 | — | 19 | — | 1 | 1 | — | — | 2 | 14 | 20 | 14 | 19 | 10 | 3 | 31 | 22 | 29 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 63 | 24 | 24 | 41 | 24 | 24 | 41 | 114 | 53 | 24 | 24 | 24 | 206 | 424 | 424 | 63 | 63 | 63 | 63 | 63 | 63 | 24 | 24 |
Best forecast wave conditions in Orkney Islands | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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