Surf Forecasts:
How big are the waves at Birsay Bay today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 1.5ft (0.4m), 11s period with WSW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 1.5ft (0.4m), 14s period with WSW swell.
- Evening surf: Evening surf (30 Sep, local time) - 1.5ft (0.5m), 12s period with W swell.
The current surf forecast for Birsay Bay at 1PM is: 0.2m 11s primary swell from a West-southwest direction (forecast issued at 06:00am September 30). An open ocean swell of 0.5m 12s is not directed at the surf break, a second open ocean swell of 1.6m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 1.5ft (0.4m) | 11s |
| Afternoon (30 Sep) | 1.5ft (0.4m) | 14s |
| Evening (30 Sep) | 1.5ft (0.5m) | 12s |
Table - waves today at Birsay Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Fri afternoon. Very mild (max 15°C on Wed afternoon, min 11°C on Fri night). Winds decreasing (gales from the SE on Wed morning, light winds from the SSW by Thu afternoon). | |||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | |||||||||||||||||||||
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 12 | WSW 11 | WSW 11 | WSW 11 | WSW 14 | WSW 14 | W 12 | WSW 14 | W 15 | W 16 | W 15 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 99 | 41 | 24 | 12 | 67 | 65 | 78 | 250 | 1132 | 2732 | 3176 | 2716 | 2428 | 2448 | 2412 | 2133 | 1850 | 1598 | 1522 | 1496 | 1204 | 1001 | 1148 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on |
High Tide | 11:17AM3.01m | 11:36PM3.02m | 11:57AM2.87m | 00:25AM2.78m | 12:47PM2.68m | ||||||||||||||||||
Low Tide | 5:35PM0.27m | 5:59AM0.38m | 6:21PM0.44m | 6:45AM0.65m | 7:16PM0.65m | ||||||||||||||||||
 | |  |  |  |  | | | | | | | | | | | |  |  | | |  |  | |
 | — | 7:13 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — |
 | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 |
Temp °C | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 14 | 12 |
Feels °C | 2 | 3 | 3 | 5 | 8 | 6 | 7 | 8 | 9 | 10 | 9 | 9 | 11 | 9 | 6 | 6 | 7 | 7 | 9 | 8 | 10 | 7 | 3 |
Swell 1 Height (m) Direction Period (s) | W 12 | WSW 11 | WSW 11 | ENE 12 | ENE 13 | ENE 13 | W 12 | WSW 14 | W 15 | W 16 | W 15 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | NNW 12 |
| kJ | 99 | 41 | 24 | 79 | 93 | 93 | 78 | 250 | 1132 | 2732 | 3176 | 2716 | 2428 | 2448 | 2412 | 2133 | 1850 | 1598 | 1522 | 1496 | 1204 | 1001 | 14 |
Swell 2 Height (m) Direction Period (s) | NNW 9 | NNW 10 | ENE 10 | WSW 11 | WSW 14 | WSW 14 | E 13 | ENE 13 | ENE 13 | ENE 11 | ENE 12 | ENE 11 | ENE 12 | ENE 10 | E 9 | E 8 | E 8 | N 13 | N 12 | N 12 | N 12 | NNW 12 | — |
| kJ | 17 | 19 | 20 | 12 | 67 | 65 | 82 | 55 | 55 | 43 | 27 | 25 | 14 | 10 | 13 | 13 | 5 | 13 | 12 | 12 | 12 | 15 | — |
Swell 3 Height (m) Direction Period (s) | S 7 | W 9 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | — | — | N 13 | N 13 | N 12 | N 12 | — | — | — |
| kJ | 1 | 2 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 6 | 6 | 6 | 6 | 1 | — | — | 3 | 3 | 3 | 3 | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | S 5 | S 4 | S 4 | — | — | — | — | — | S 3 | SE 3 | S 4 | S 4 | S 3 | — | S 3 | W 11 |
| kJ | 200 | 242 | 271 | 140 | 94 | 56 | 72 | 43 | 22 | 11 | — | — | — | — | — | 5 | 2 | 16 | 10 | 6 | — | 4 | 1148 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 617 | 626 | 311 | 119 | 60 | 72 | 157 | 53 | 8 | 19 | 41 | 41 | 0 | 0 | 58 | 53 | 58 | 53 | 8 | 8 | 53 | 58 | 233 |
Best forecast wave conditions in Orkney Islands | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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