Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Birsay Bay surfForecast / Scot – Orkney / UK
48hr Weather and Surf, issued 11 am Sunday 28 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Birsay Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Birsay Bay sea temperature is
10.0° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Birsay Bay today?
The current surf forecast for Birsay Bay at 4PM is: 1.6m 12s primary swell from a North direction and 0.9m 9s secondary swell from a West-northwest direction (forecast issued at 11:00am December 28). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | 3.5ft (1.0m) | 13s |
| Afternoon (28 Dec) | 5ft (1.6m) | 12s |
| Evening (28 Dec) | 5.5ft (1.7m) | 11s |
Table - waves today at Birsay Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 335 | 800 | 714 | 643 | 708 | 526 | 631 | 448 | 502 | 426 | 281 | 449 | 710 | 1173 | 1543 | 1659 | 1650 | 1462 | 1269 | 902 | 714 | 1002 | 1036 | 941 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 2:06PM 2.58 | 3:12AM 2.34 | 3:18PM 2.57 | 4:20AM 2.45 | 4:33PM 2.63 | 5:23AM 2.61 | ||||||||||||||||||
Low Tide / height (m) | 7:53AM 1.01 | 8:46PM 0.66 | 9:07AM 1.03 | 9:58PM 0.66 | 10:27AM 0.94 | 11:08PM 0.60 | ||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| Sunrise | - | 9:07 | - | - | - | - | - | - | - | 9:07 | - | - | - | - | - | - | - | 9:07 | - | - | - | - | - | - |
| Sunset | - | - | 3:19 | - | - | - | - | - | - | - | 3:21 | - | - | - | - | - | - | - | 3:22 | - | - | - | - | - |
 |  |  |  | | | | | | | | | | | | |  |  | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 3 | 4 | 5 | 6 | 6 | 7 | 8 | 7 | 5 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 8 | 8 |
| Feels °C (?) | -1 | -1 | 0 | 0 | 0 | 1 | 2 | -1 | -2 | -1 | -2 | -3 | -2 | -1 | -1 | -1 | -1 | -2 | -3 | -4 | -3 | -2 | -2 | -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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