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Vessel operators in coastal waters need to be very mindful of the effect of tides and tidal currents caused by the gravitational pull of the sun and moon.

Water levels can fluctuate by several meters and some tidal currents are strong enough that pleasure craft may not be able to make headway against the current.

This course will guide you to develop a complete understanding of Tides and Currents, enabling you to make navigational decisions that will enhance safety on your vessel.

Includes digital version of course notes

Tides and Currents
November 30, 2022
1900 - 2200 Eastern Standard Time
Live Stream on Zoom          Cost $45.00
cdn +hst

Seminar Outline

Your day on the water is ruled by tides and their associated currents

If heading out into tidal waters it is critical that you have a complete understanding of them and the impact that they will have on your cruising plans

Cause of Tides and Tidal Currents

Definitions

Sources of Tidal and Current Information

Tides

Deciphering Tide Tables

Primary Ports

Secondary Ports

Currents

Flood and Ebb

Set and Drift

Overfalls, Whirlpools, Rapids

Deciphering Current Tables

Utilizing a Current Atlas

Tidal Diamonds on Charts

Tidal Gates

Non Tidal Currents

Using Vectors to Calculate Affect of Current on Course

Calculating Course to Steer to Counteract Current

Effect of Current on Waves

Concluding with

Completing a passage example utilizing tide and current tables to calculate course to steer to counteract current, timing for slack current to go through narrows and depth of water upon arrival at anchorage using tidal curve. Also calculate scope to accommodate highest tide while anchoring overnight