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SECTION 4 · 10 LESSONS

Planning your dive

Learn the questions to ask about places, conditions, access and local support.

Start with lesson one

Your ten lessons

Each lesson includes an illustration, a visual explanation, a reference table and a knowledge check. Work through them in order or revisit a question.

  1. 01

    Reading a dive-site page

    Separate a location description from a current dive plan.

  2. 02

    Forecasts and observations

    Tell predicted conditions from recorded conditions.

  3. 03

    Wind, waves and swell

    Recognise different parts of a marine forecast.

  4. 04

    Tides and currents

    Distinguish changing water level from moving water.

  5. 05

    Understanding visibility

    Explain why a visibility estimate needs context.

  6. 06

    Depth and environment

    Look beyond a single depth number.

  7. 07

    Shore access and exits

    Identify the practical questions behind a shore dive.

  8. 08

    Your first dive boat

    Prepare questions for a boat briefing.

  9. 09

    Local briefings and rules

    Combine local information with published rules.

  10. 10

    Alternatives and contingencies

    Treat changing a plan as a normal decision.