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robchappelle
Joined: 26 Oct 2018 Posts: 7 City/Region: Whidbey Island
State or Province: WA
C-Dory Year: 2002
C-Dory Model: 24 Tomcat
Vessel Name: Cattitude
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Posted: Wed Jul 03, 2019 6:09 pm Post subject: Tying up to dock during large tide swings? |
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Hi, here on Whidbey Island in Puget Sound, there's a public floating dock near my house. I'd like to tie up my Tomcat 24 to it during the day, so I can use the boat at low-to-medium tide, instead of only at very high tide. I keep the boat on its trailer normally. Most of the time the floating dock is actually floating, but at lower tides it can spend a few hours on the ground, on the beach. Under the dock is mostly sand with some pebbles, so I'd be comfortable with the Tomcat sitting on the beach if the tide goes way out.
What's a good way to tie the boat to the dock to account for the boat beaching while still tied to the dock? I've measured the height difference between the boat and the dock when it's floating vs. beached, and when beached the relative heights change by about a foot. I've thought about tying the lines a little looser so there's more play (with fenders deployed of course), but sometimes it's also a little windy, and I don't want the boat to get banged up. I also don't want the boat hanging in the air by just its cleats. |
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ssobol
Joined: 27 Oct 2012 Posts: 3386 City/Region: SW Michigan
State or Province: MI
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SoBELLE
Photos: SoBelle
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Posted: Wed Jul 03, 2019 10:23 pm Post subject: |
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Tie the boat to the downwind side so the wind holds the boat away from the dock. |
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hardee
Joined: 30 Oct 2006 Posts: 12633 City/Region: Sequim
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Sleepy-C
Photos: SleepyC
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Posted: Thu Jul 04, 2019 4:00 pm Post subject: |
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ssobol wrote: | Tie the boat to the downwind side so the wind holds the boat away from the dock. |
Might work. It's good advice, but you do need to consider the tidal flow as well. Big and many fenders are your friend there. And, as mentioned, tie loose to the dock, with engines way up.
Harvey
SleepyC _________________ Though in our sleep we are not conscious of our activity or surroundings, we should not, in our wakefulness, be unconscious of our sleep. |
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robchappelle
Joined: 26 Oct 2018 Posts: 7 City/Region: Whidbey Island
State or Province: WA
C-Dory Year: 2002
C-Dory Model: 24 Tomcat
Vessel Name: Cattitude
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thataway
Joined: 02 Nov 2003 Posts: 20858 City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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Posted: Thu Jul 04, 2019 10:26 pm Post subject: |
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Judicious use of spring lines will tend to keep the boat at the relative same place at the deck as tide goes out. It would not hurt the boat--as long as there is no wave action--which would pound the boat on the bottom...
I would put bow and stern breast lines and fore and aft spring lines--enough flexabliltiy so that the lines don't hold the boat up, when the dock is grounded. _________________ Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL |
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hardee
Joined: 30 Oct 2006 Posts: 12633 City/Region: Sequim
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Sleepy-C
Photos: SleepyC
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Posted: Fri Jul 05, 2019 1:15 am Post subject: |
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thataway wrote: | Judicious use of spring lines will tend to keep the boat at the relative same place at the deck as tide goes out. It would not hurt the boat--as long as there is no wave action--which would pound the boat on the bottom...
I would put bow and stern breast lines and fore and aft spring lines--enough flexabliltiy so that the lines don't hold the boat up, when the dock is grounded. |
Or that the boat does not hold up the dock either.
Agree, spring and breast lines and skip the bungee.
Harvey
SleepyC |
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robchappelle
Joined: 26 Oct 2018 Posts: 7 City/Region: Whidbey Island
State or Province: WA
C-Dory Year: 2002
C-Dory Model: 24 Tomcat
Vessel Name: Cattitude
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Posted: Mon Jul 08, 2019 1:08 pm Post subject: |
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Thanks again, everyone! I hadn't thought about the waves pounding the boat against the bottom. I'll keep that in mind and skip the bungees. |
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