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Surf Forecasts:
Mill Bay surfForecast / Scot – Orkney / UK
48hr Weather and Surf, issued 11 am Tuesday 09 Dec 2025 GMTForecast 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
9.9° 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 4PM is: 2.5m 7s primary swell from a Southeast direction and 0.2m 8s secondary swell from a North direction (forecast issued at 11:00am December 09). An open ocean swell of 0.3m 15s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | 3.5ft (1.0m) | 4s |
| Afternoon (09 Dec) | 8ft (2.5m) | 7s |
| Evening (09 Dec) | 10ft (3.0m) | 8s |
Table - waves today at Mill Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 5 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 8 | 8 | 8 | 12 | 12 | 12 | 12 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 31 | 129 | 534 | 1019 | 1166 | 6 | 6 | 6 | 2 | 2 | 2 | 8 | 8 | 20 | 64 | 76 | 86 | 144 | 195 | 280 | 213 | 167 | 128 | 123 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:20PM 2.58 | 2:17AM 2.16 | 2:13PM 2.45 | 3:16AM 2.01 | 3:10PM 2.31 | 4:19AM 1.92 | ||||||||||||||||||
Low Tide / height (m) | 6:51AM 0.61 | 7:40PM 0.22 | 7:42AM 0.76 | 8:42PM 0.36 | 8:39AM 0.90 | 9:48PM 0.49 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | 8:51 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:53 | - | - | - | - | - | - | - |
| Sunset | - | - | 3:12 | - | - | - | - | - | - | - | 3:11 | - | - | - | - | - | - | - | 3:11 | - | - | - | - | - |
 | |  |  |  |  | | |  | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | 3 | 2 | 1 | - | 2 | 1 | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 10 | 10 | 10 | 11 | 12 | 11 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 11 | 10 | 10 | 11 | 10 | 10 | 8 |
| Feels °C (?) | 3 | 0 | -3 | -1 | -2 | -5 | -8 | -7 | -5 | -4 | -7 | -8 | -5 | -2 | -1 | 1 | 5 | 3 | 3 | 2 | 5 | 5 | 4 | 2 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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