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Seamanship • Winterizing - Now or Later, It Has to Be Done

December 27, 2017

Usually, as soon as I write a column on de-commissioning the boat for the winter season, Indian Summer arrives to bathe us in the last warmth of the year.  But I think we’re safe now! This is but a reminder that the many months of kindly weather are behind us and many months of dark, cold and dreary weather are ahead of us. Even if you hand off your boat to your dock master and say, “see you in the Spring”, there are some tips in here that you will want to be aware of. This column is about that.

“On the Hard” or In The Water
Clearly, there are some basic steps to de-commissioning and one of them is to get the boat safely “onto the hard”, as the old-timers call dry-dock. Storing your winterized boat in the water can only be done in a very controlled environment with, generally, professional and near-constant attention. Even with signs of global-heating all around us, (I think “global warming” sounds too benign), the creeks and coves of “Out East” freeze up for much of the winter. Even Moriches Bay itself has frozen across over the years and I am talking about recent years. The only upside to storing your winterized boat in the water is that you don’t have to pay to haul the boat and return it to the water in the Spring. I still believe that that can be penny-wise and pound-foolish if this watery winter berth isn’t a very controlled environment… Recall that 80% of boat’s that do sink do so at the dock (see, “The Dangerous Dock!”). So, let’s focus this column on spending the winter “on the hard”…
Making a List and Checking It Twice
If you are going to hand the boat over to the dock master and say, “see you in the Spring”, do so with a written check list, especially if you intend to do some of the work yourself. As you’ll see, the advice below is not 100% extensive. I’d need most of the newspaper to give you a check list that could be used by every boat. (BTW, if you want a copy of the Boat-US/Seaworthy article on winterization, email me below and I will email a copy to you.) So, work with your dock master in signing off on what will be done by the yard and, if you desire to be involved, by you. Some ideas/categories:
Change the oil and oil filters
Change the lubricant in engine transmission or the outboard lower unit
Apply fogging if called for by manufacturer
Fill the boat’s fuel tanks completely full
Add biocide and/or stabilizing agents to fuel
Change the fuel filters
Add antifreeze to the engine’s cooling system
Add distilled water to batteries, charge completely and disconnect
Charge batteries to capacity

Before thinking about covering the boat with shrink-wrap or canvas, inspect the hull. Any blisters in the gelcoat? If so, that has to be addressed sooner rather than later as that will lead to water infiltrating the hull, making the boat less sea-worthy. Stress cracks, which often develop at the bow, need professional attention. Just putting a patch over it and sanding, a la the gelcoat blister, won’t fix that one. It’s structural. As to washing and waxing the hull, I opt for cleaning now and waxing in the Spring.
Does the boat have a cabin of any kind? Get the “moisture-soaker-uppers”, i.e., desiccants, in there. Inexpensive and they inhibit the build-up of moisture that leads to mold. And don’t forget the hatches, closets and lazzarettes.
Other than covering the boat, the “mechanical system” is the most obvious place to start. Your mechanical system may only be your gasoline-powered 90-HP Johnson outboard. If so, you are going to flush the engine with fresh water (attached a garden hose to the intake and let it flush – engine OFF!), “fog” the engine with lubricating oil (be sure the fuel system is disconnected from the engine when you start the process), clean/replace the spark plugs and fuel filter, lube the carburetor and anything else that moves – choke, cam, starter linkage etc. Don’t forget the lower unit (what the prop comes out of). Replace the lube oil. BTW, if you open the drain plug and water comes out first (oil floats); you need to replace the seal. Inspect the prop(s). Any dings? Get a professional to look at that. A bad “wheel” can shake your engine apart…
So that’s your outboard. Did I ask if you had a diesel engine or an I/O? Does the boat have a transmission? In-board water system (sink/shower)? Air-conditioner? Are electronics going to stay aboard or come home with the owner? So, as you can see, the list is far more extensive than the short list above.
But have fun! She’s your boat!    


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