A four-day Orkney weather forecast is provided below.

For the Orkney Islands Council (OIC) Marine Services' forecast for Scapa Flow and surrounding waters, click here and for live weather data from the 11 OIC local weather stations, click here.

For a 10-day weather outlook for Shetland, Orkney and Caithness, click here.

Data are provided courtesy of http://www.windfinder.com's dataset for Kirkwall.