Course to steer in a tidal stream
Course to steer with leeway
Exercise book 3.2 · on paper you need RYA chart 3, the tidal almanac, the deviation card
On 1 May at 1845 SPDST you leave 45°59.85'N 005°56.66'W for 45°59.01'N 006°07.65'W. The boat makes 6.0 knots, the wind is southerly with 5° of leeway and variation is 6°W. Use tidal diamond J. What compass course should you steer, and how long will it take?
- Starting position
- 45°59.85'N 005°56.66'W
- Destination
- 45°59.01'N 006°07.65'W
- Boat speed
- 6.0 kn
- Leeway
- 5°, wind S
- Variation
- 6°W
- Victoria 1 May (UT)
- HW 1315 5.2 m; LW 0656 0.8 m, 1920 1.2 m
- Diamond J, HW+4
- 293° 2.9 kn springs / 1.5 kn neaps
Solution worked out by us from the course material: to be checked by the instructor.