Cast-Off Checklist (Sail Boats)
- Weather/wind window, tides/current, and route confirmed
- Float plan shared
- Engine start + warm-up complete (for docking safety)
- Fuel, water, and battery levels checked
- Standing and running rigging visual check
- Halyards, sheets, reef lines run clear (no wraps)
- Sail covers/ties removed and stowed
- VHF, nav lights, chartplotter, and depth sounder working
- Safety gear ready: PFDs, jacklines, tethers, flares, first-aid
- Crew briefed: line handling, MOB callout, and cast-off roles
Sailboat departure rhythm
A sailboat cast-off has all the same dockline decisions as a power boat, plus the extra question of what the rig and deck gear will do once the boat leaves the slip. Before moving, check halyards, sheets, furling lines, boom position, traveler, and anything that can flog, snag, or drag overboard.
On Great Loop or ICW travel days, many sailboats motor for long stretches. Treat that as a cruising-powerboat day with a mast attached: fuel range, cooling water, bridge clearance, deck visibility, and line handling matter more than sailing performance until the water opens up.
Extra checks before leaving the slip
- Confirm the mast, antenna, wind instruments, and any arch gear match the day's bridge plan.
- Secure loose canvas, hatch boards, and cockpit gear before maneuvering in a crosswind.
- Make sure furling lines and sheets cannot fall underfoot during docking or locking.
- Brief crew on when not to grab shrouds, lifelines, or a loaded sheet for balance.
Sailboat departure mistakes
Sailboats add deck and rigging traps to an ordinary departure. A loose halyard, lazy sheet, boom position, or forgotten shore-power cord can turn a simple slip exit into a noisy distraction right when the helm needs quiet.
- Keep sheets and furling lines clear of feet before anyone handles docklines.
- Confirm the boom and traveler are controlled before leaving a gusty slip.
- Check masthead clearance assumptions before the first low bridge day, not during it.
- Motor out conservatively until the crew has room to organize sailing gear.
Publication notes
Written and maintained by TheCenterOf editors. Last reviewed: 2026-07-06. This page is planning guidance for boating and Great Loop readers. It is not a substitute for current charts, notices, marina confirmation, weather forecasts, official rules, professional advice, or onboard judgment.
Corrections, broken links, and first-hand route updates are welcome through the contact and corrections page.