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Surf Forecasts:

Birsay Bay surfForecast / Scot – Orkney / UK

information circle12 Day Weather and Surf, issued 5 pm Monday 24 Nov 2025 GMT
Forecast 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
10.6° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Birsay Bay this week:

The surf forecast for Birsay Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Nov 25) at 12PM. The primary swell is predicted to be 1.0m and 9s period with a secondary swell of 0.8m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Birsay Bay in the next 12 days are 7.5m 18s and forecast to arrive on Friday (Nov 28) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 5s period and expected on Saturday (Nov 29) at 6AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)12PM (Tue 25th Nov)3.5ft (1.0m) 9s
Best Surf 6AM (Fri 28th Nov)23ft (7.0m) 17s
Most Powerful 9AM (Fri 28th Nov)25ft (7.5m) 18s

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

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

Short Range Forecast Light rain (total 5mm), mostly falling on Wed night. Very mild (max 11°C on Thu morning, min 7°C on Tue morning). Winds increasing (calm on Tue morning, strong winds from the S by Wed night).

Days 3-6 Weather Summary Moderate rain (total 12mm), heaviest on Thu afternoon. Very mild (max 11°C on Thu afternoon, min 7°C on Sat night). Winds decreasing (gales from the SW on Fri night, moderate winds from the NW by Sun morning).

Mon
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
2
2
0
1
0
!
!
0
0
0
0
0
!
!
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
W
1.1
W
1
W
1
W
0.7
W
1.6
W
2.5
W
1.9
W
1.3
W
2.2
W
4
WSW
7.5
W
7
W
5.5
W
4.5
W
4
W
3.5
W
4.5
NW
3.5
NNW
3
N
2.4
N
Period(s) (?)11101099891211101018171614131211121313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)277249190164763021102102240399634973377728100141488444591038715230286531351883
Wind
(km/h)
35
N
25
NNE
10
N
15
SW
30
SSW
40
SSW
30
SSW
20
SW
35
S
30
SW
60
SW
65
SSW
65
SSW
65
SSW
50
SW
45
NW
50
NW
35
NW
10
NW
40
S
40
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscross-
on		crosscross-
off		cross-
off		cross-
off		crosscross-
off		crosscrosscross-
off		cross-
off		cross-
off		crossononononcross-
off		cross
High Tide
/ height (m)
10:53PM
2.45
11:06AM
2.67
11:37PM
2.29
11:51AM
2.56
12:35AM
2.17
12:46PM
2.48
1:48AM
2.11
1:52PM
2.44
3:04AM
2.17
3:00PM
2.48
4:10AM
2.32
4:05PM
2.59
5:05AM
2.52
Low Tide
/ height (m)
4:53PM
0.65
4:58AM
0.81
5:36PM
0.75
5:39AM
0.93
6:26PM
0.83
6:27AM
1.04
7:24PM
0.85
7:29AM
1.13
8:32PM
0.81
8:43AM
1.14
9:41PM
0.69
9:59AM
1.05
10:43PM
0.52
11:05AM
0.86
Mon
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Sunrise--8:26--8:29--8:32--8:33--8:36--8:37--8:40
Sunset3:33--3:30--3:30--3:27--3:26--3:26--3:23--
part cloud
rain showers
clear
cloud
cloud
light rain
cloud
light rain
light rain
light rain
part cloud
part cloud
light rain
light rain
rain showers
light rain
light rain
part cloud
cloud
light rain
rain showers
Rain (mm)
-1---1-213--14211--31
Temp. °C887888910111198899887779
Feels °C (?)-1-1330-12565-3-6-6-4-2-3-3-22-10
  • 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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Latest Updates

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Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Birsay 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 Birsay Bay at:
surf-forecast.com

Information about the Birsay Bay Surf forecast

The above surf forecast table for Birsay Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Birsay Bay can be found by selecting the local surf guide option on the grey menu. Our Birsay 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 (Birsay 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 Birsay 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 Birsay Bay, camping, hotels and holiday cottages in Orkney Islands, consider staying in Kirkwall which is 26 km (16 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 58 km (36 miles) away and Wick, 79 km (49 miles) away.

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