Egilsay: High water is 1 hours and 25 minutes before high water at Wick
Tingwall: High water is 1 hours and 40 minutes before high water at Wick
Brough Head to Haafs Hellia: From 3 hours and 55 minutes after until 2 hours 20 minutes before high water at Aberdeen, the flow is east-going. At other times, the flow is weak and irregular, though still mostly east-going.
Haafs Hellia: The east going stream begins at 3 hours and 55 minutes after high water at Aberdeen. The west going stream begins at 2 hours and 20 minutes before high water at Aberdeen. The flow reaches a speed of 2 knots at springs. Little information is available on the rate, and flow speeds may be greater than this. A combination of confused flows (eddy to the west), waves and tide can yield rough water along this coastline. The tide, and some of the rough conditions, can be avoided close inshore.
Eynhallow Sound, west of Eynhallow: The south-east going stream begins at 4 hours and 20 minutes after high water at Aberdeen. The north-west going stream begins at 2 hours and 5 minutes before high water at Aberdeen. The flow reaches a speed of 3 knots at springs. The flow speed increases towards Eynhallow.
North of Eynhallow: The south-east going stream begins at 4 hours and 20 minutes after high water at Aberdeen. The north-west going stream begins at 2 hours and 5 minutes before high water at Aberdeen. The flow reaches a speed of 7 knots at springs. A race, the 'Weal Race' forms during flows in both directions.
Eddy north west of Eynhallow: During the north-west going flow in Eynhallow Sound, an eddy probably forms behind the island of Eynhallow.
South of Eynhallow: The south-east going stream begins at 4 hours and 20 minutes after high water at Aberdeen. The north-west going stream begins at 2 hours and 5 minutes before high water at Aberdeen. The flow reaches a speed of 7 knots at springs. The flow may reach 9 knots at springs. A race, the 'Burger Rost' forms, mostly on the west-going tide. The worst of this race can be avoided close to the shore of Mainland.
Eddy south east of Eynhallow: During the south-east going flow in Eynhallow Sound, an eddy about a mile long forms behind Eynhallow.
Point of Hellia Eddy: During the north-west going stream in Eynhallow Sound, an eddy forms behind the Point of Hellia.
Eynhallow Sound, by Point of Hellia: The east south-east going stream begins at 3 hours and 35 minutes after high water at Aberdeen. The west north-west going stream begins at 3 hours before high water at Aberdeen. The east south-east going stream reaches a speed of 3.3 knots at springs. The west north-west going stream reaches a speed of 2.5 knots at springs. Overfalls may form at the point.
Eddy south east of Aiker Ness: An eddy forms behind Aiker Ness when the flow runs south east through Eynhallow Sound.
Eddy at Scara Taing: An eddy forms behind Scara Taing during the south-east going flow in Eynhallow Sound.
Gairsay Sound: Between Gairsay and Wyre: The east north-east going stream begins at 3 hours and 20 minutes after high water at Aberdeen. The west south-west going stream begins at 3 hours and 10 minutes before high water at Aberdeen. The east north-east going stream reaches a speed of 1.4 knots at springs. The west south-west going stream reaches a speed of 1.6 knots at springs.
Wyre Sound: The north-east going stream begins at 4 hours and 10 minutes after high water at Aberdeen. The south-west going stream begins at 2 hours and 15 minutes before high water at Aberdeen. The streams are weak and likely not regular, information is vague.
Rousay Sound: Away from the narrow channels of Howie Sound and the Sound of Longataing, streams in Rousay Sound are weak
Eddy on east coast of Egilsay: When the stream is running to the south in the channel east of Egilsay, an eddy runs north along the east coast all the way to Kili Holm.
Howie Sound, North end of Rousay Sound: The north north-east going stream begins at 2 hours and 10 minutes before high water at Aberdeen. The south south-west going stream begins at 4 hours and 15 minutes after high water at Aberdeen. The flow reaches a speed of 6 knots at springs. Overfalls may form in the Sound.
Sound of Longeataing, North end of Rousay Sound: The east north-east going stream begins at 2 hours and 10 minutes before high water at Aberdeen. The west south-west going stream begins at 4 hours and 15 minutes after high water at Aberdeen. The flow reaches a speed of 6 knots at springs. Overfalls may form in the Sound
Faraclett Head: The east south-east going stream begins at 2 hours and 55 minutes after high water at Aberdeen. The west north-west going stream begins at 3 hours before high water at Aberdeen. The flow reaches a speed of 3 knots at springs. Between Faraclett Head and Wart Holm, a major tidal race, the Rull Rost forms in mid channel, extending 2 miles south east at full strength. Overfalls also form off the Head itself.
Eddy west of Faraclett Head: During the north-west going stream, an eddy forms behind the Head.
Eddy in Saviskaill Bay: A slow moving eddy forms in the bay with tidal flow in either direction. The flow is most noticeable near the headlands of Saviskaill Head and Faraclett Head.
West entrance to Westray Firth: Between Sacquoy Head and Inga Ness: The east south-east going stream begins at 4 hours and 20 minutes after high water at Aberdeen. The west north-west going stream begins at 2 hours before high water at Aberdeen. The flow reaches a speed of 3 knots at springs. The north-west going stream is weak on the north-east side of the Firth and near Skea Skerries, whilst the south-east going stream is strong in these areas.
Sacquoy Head: The east south-east going stream begins at 4 hours and 20 minutes after high water at Aberdeen. The west north-west going stream begins at 2 hours before high water at Aberdeen. The flow reaches a speed of 3 knots at springs. A race, the Rullard Rost, forms during the west-going stream.
North west coast of Rousay: The tidal stream here flows north-east starting 3 hours and 55 minutes after high water at Aberdeen reaching a maximum speed of 2.5 knots at springs. This stream runs until 2 hours and 20 minutes before high water at Aberdeen. At other times the flows are weak.
Grit Ness: (HY 371 264) g Parking area by public toilets, beach and slipway.
Point of Hellia: (HY 380 268) g Large parking area, small beach next to the entrance.
Tingwall: (HY 403 229) g Parking by ferry terminal and slipway. Public toilets. Worth checking the ferry timetable to ensure you don't get in the way!
Brinin, Rousay: (HY 436 275) g Parking spaces by pier and slipway.
Nousty Sand, Rousay: (HY 401 334) g Small gravel and grass parking area a short carry from the beach.