Understanding tides when passage planning
When planning a trip in tidal waters, check the tides before going afloat. Use almanacs, charts, tide tables and tidal stream atlases to gather all the data you need.
It is advisable to have a written note of tidal data for your trip including:
Your boat’s draft.
The predicted times (in Universal Time) of high and low water.
The heights of the tide.
The tidal ranges.
The direction and speeds of the tidal streams en route.
Check when and how the state of the tide will affect local areas including shallows, harbour entrances, sand bars, headlands and estuaries.
Check predictions and forecasts to determine if and when rough seas caused by wind against tide will occur. Be prepared to change your plan to avoid being caught in adverse conditions.
Use all the data you gather to:
Plan your departure time(s).
Take advantage of tidal flow to shorten journey time.
Estimate your journey time.
Plan your arrival time(s).
Avoid potential hazards caused by tidal conditions.
Ensure there will be safe clearance under your keel at all times.
Tips:
Double check all calculations.
Remember to allow for Summer Time, if applicable.
Avoid shallow water on a falling tide.
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Sterndrive maintenance
Sterndrives are a popular form of propulsion in the powerboat market, but require a fair amount of care and maintenance. The main factors to be aware of are salt water corrosion, lubrication and regular inspection of the bellows, the condition of which is vital to prevent water from entering into the hull.
Fire prevention on boats
Is Boating Good for Your Health and Happiness?
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ColRegs Rule 14 – Head-on Situation
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Keels are designed to act as underwater foils that generate lift as the boat moves through the water, counteracting the leeward force of the wind and enabling the boat to sail closer to the wind. Keel maintenance and repair is essential for the performance of your boat.
Antifouling for leisure boats – Part 4
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Sail trimming for cruisers
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Leaking decks are perceived as a nuisance by some boat owners, but if leaks are ignored a much more serious situation may well be developing, especially in the case of boats with balsa or plywood deck cores. So deck leaks do need to be investigated and dealt with.
Keel maintenance and Repair – Part 2
If you have ever witnessed a boat colliding with a rock or other submerged obstacle you will know that there is an almighty thump and the whole boat shakes and judders. While such hard groundings seldom result in catastrophic keel failure, something has to give and even the sturdiest keels can easily be damaged by such an impact.
Always have an emergency ditch bag ready to go…
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Sailing boat rigs need to be checked regularly to reduce the risk of rig failure at sea. In part one of Sail boat rig checks we run through a series of useful checks that owners and skippers can carry out.







