Navigation and WaterwaysBeginnerπŸ“… Updated 2026-05-05

Tide Reading Scenarios: Departure, Docking, and Return Timing

Conversational examples for using high and low tide times in an operating plan

Start with the key point. Conversational examples for using high and low tide times in an operating plan

Visual guide

Read tide as a curve

Do not read only high and low tide times. Put departure, return, depth margin, wind, and current on the same line.

High tideLow tideDepartReturn
High water does not always mean weak currentAdd more margin if return nears low tideDo not judge rivers, dams, or sluices from a tide table alone

Scenario 1: Depart in the morning and return before lunch

β€œHigh tide is 10:40 and low tide is 16:50. Is 11:00 safe?”

Not by itself. Water level may be high, but current direction and wind still matter. If the planned return gets closer to low tide, shallow ramps and docking areas may have less water, so return earlier.

Scenario 2: Launching from a shallow ramp

β€œLow tide is 08:20. Should we launch at 08:00 to leave early?”

That may be one of the shallowest times. Check ramp-end depth, hull draft, and trailer access. If the ramp is unfamiliar, ask the operator or local authority.

Scenario 3: Passing under a bridge

Higher water can improve depth but reduce bridge clearance. Use actual water level, local signs, and vessel height before deciding.

Final judgment

Tide is a timetable, not a complete yes-or-no answer. Combine it with weather, current, depth, equipment, experience, and return margin.

πŸ“Ž Sources

2

This guide is based on the sources below. Laws, notices, and fees can change, so check the original source before use.

  1. 1
    ν•΄μ–‘μˆ˜μ‚°λΆ€ β€” 바닀에 λ‚˜κ°€κΈ° μ „ 쑰석 정보 확인은 ν•„μˆ˜

    Ministry of Oceans and FisheriesπŸ“… 2025-11-17 Published

  2. 2
    ꡭ립해양쑰사원 β€” 슀마트 μ‘°μ„μ˜ˆλ³΄

    Korea Hydrographic and Oceanographic Agency

Remember before departure

This guide is general information. For actual license booking, renewal, operation, reporting, and restricted-area decisions, confirm the latest Korea Coast Guard portal and relevant authority guidance.

Report errors or outdated information to contact.bbangjae@gmail.com.