Surf Forecasts:
How big are the waves at Birsay Bay today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 4ft (1.2m), 8s period with W swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 3.5ft (1.0m), 8s period with W swell.
- Evening surf: Evening surf (16 Aug, local time) - 2.5ft (0.8m), 7s period with W swell.
The current surf forecast for Birsay Bay at 4AM is: 1.3m 8s primary swell from a West direction and 0.4m 8s secondary swell from a North direction (forecast issued at 12:00am August 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 4ft (1.2m) | 8s |
| Afternoon (16 Aug) | 3.5ft (1.0m) | 8s |
| Evening (16 Aug) | 2.5ft (0.8m) | 7s |
Table - waves today at Birsay Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Mon night. Very mild (max 14°C on Tue afternoon, min 11°C on Sun night). Winds increasing (light winds from the NNW on Sun night, strong winds from the ESE by Mon night). | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | N 7 | N 7 | N 7 | N 7 | W 10 | W 9 | W 9 | W 9 | W 8 | N 7 | N 7 | N 8 | N 8 | NNE 8 | NNE 8 | WSW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 258 | 219 | 213 | 173 | 114 | 108 | 86 | 61 | 54 | 52 | 52 | 52 | 68 | 81 | 78 | 56 | 52 | 44 | 35 | 64 | 48 | 51 | 51 | 20 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | off | cross | cross-on | cross-on | cross |
High Tide | 11:17PM3.39m | 11:49AM2.93m | 11:57PM3.21m | 12:27PM2.79m | 00:37AM2.96m | 1:05PM2.62m | ||||||||||||||||||
Low Tide | 5:40AM-0.07m | 5:46PM0.28m | 6:17AM0.16m | 6:24PM0.46m | 6:54AM0.45m | 7:04PM0.68m | ||||||||||||||||||
 | |  | |  | | | | | |  | |  | | | | |  | | | | | | | |
 | — | 5:31 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 8:58 | — | — | — | — | — | — | — | 8:54 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 2 | — | — | — |
Temp °C | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 13 |
Feels °C | 9 | 9 | 8 | 10 | 10 | 10 | 11 | 11 | 11 | 8 | 8 | 8 | 8 | 8 | 6 | 5 | 6 | 5 | 5 | 5 | 9 | 9 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | NNW 8 | W 8 | W 8 | W 7 | W 7 | W 7 | N 7 | N 7 | N 7 | N 7 | N 7 | W 9 | W 9 | W 9 | N 7 | N 7 | N 7 | N 8 | N 8 | NNE 8 | NNE 8 | NE 8 |
| kJ | 258 | 219 | 26 | 173 | 114 | 108 | 86 | 61 | 54 | 52 | 52 | 52 | 51 | 81 | 78 | 56 | 34 | 44 | 35 | 64 | 48 | 51 | 51 | 67 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | NNW 8 | NNW 8 | NNW 8 | N 7 | N 7 | W 7 | W 7 | W 6 | W 6 | W 10 | N 7 | N 7 | N 7 | W 8 | W 8 | W 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 21 | 21 | 12 | 25 | 60 | 58 | 54 | 54 | 45 | 33 | 21 | 20 | 68 | 51 | 37 | 35 | 52 | 35 | 34 | 22 | 22 | 21 | 20 | 20 |
Swell 3 Height (m) Direction Period (s) | NNW 9 | NW 8 | — | N 8 | — | — | — | — | W 8 | W 11 | W 11 | W 10 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | NW 6 | W 18 | NNE 8 | W 18 | W 19 | W 19 | ENE 5 | WSW 5 |
| kJ | 8 | 18 | — | 20 | — | — | — | — | 1 | 2 | 9 | 31 | 13 | 7 | 3 | 3 | 1 | 6 | 24 | 6 | 7 | 7 | 2 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | ESE 2 | ESE 3 | ESE 3 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | SE 4 | E 4 |
| kJ | — | — | 213 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 9 | 21 | 38 | 43 | 22 | 5 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 62 | 62 | 62 | 58 | 58 | 55 | 55 | 60 | 60 | 0 | 0 | 0 | 0 | 0 | 59 | 84 | 84 | 72 | 68 | 59 | 43 | 102 | 43 | 72 |
Best forecast wave conditions in Orkney Islands | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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