A manual hydraulic steering apparatus of a vessel is provided with a tilting mechanism 1 positioned on one side of a dashboard D and a hydraulic pump 51 positioned on the other side. A tilt housing 2 is fixed to a mounting plate 3 and has an oil feeding tank 11 formed in an upper portion thereof. A semispherical shell 4 is supported turnably in all directions by the tilt housing 2. A steering shaft 5 is supported rotatably by the semispherical shell 4 and is rotatably coupled to the driving shaft 53. The steering shaft 5 is also tiltable on a horizontal axis perpendicular to the driving shaft. The hydraulic pump 51 includes a pump casing 52, which has a mounting part 52b extending into a larger hole D1 of the dashboard D. An oil feeding pipe 13 extends through a smaller hole D2 of the dashboard D and communicates with the oil feeding tank 11 and an oil tank 54 of the hydraulic pump 51.