Dock Lines: Double Braid vs. 3-Strand

Well, you kind of answered your own question.
How much stretch do you want?

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58' MY
We used to live on board. We used 3/4" twisted as normal ties up lines. This really helps cushion the ride in the slip.
For storms, two sets of twisted drawn tight and one or two lines of braided not so tight on each cleat (8 cleats) in long spider web patterns.
I have the inventory of 3/4, 1 & 1 1/4" of all to select from for storm lines.
My idea is the twisted will stretch and the braided stops the stretch before the line becomes over worked.
Slows that snap down on the cleats also.

When the storm has passed, trash the damaged and over worked rope and go back to 3/4" twisted lines.
Oh, most of my lines have marks or ribbons every 20'. Others are already at known lengths.
Anything beyond known lengths is bad rope and gets trashed.

IMO, your 62' Offshore could use lots of 1" twisted.

Another thought, Chalks, Hawse pipes and cleats on your Offshore,, what size lines are they prepared to take?

I use 3/4 double braid on my 53 in my home slip. Never had an issue even in 50 kts squalls.

For raveling I use 5/8 and they’re lighter to move around the boat.

it also also depends on how exposed you are to chop and wakes. If really exposed then use 1” otherwise 3/4 is fine.

IMO, 3/4" twisted.
Not as pretty or fancy looking but reliable.
Something else;
Any new line will stretch a bit. Some of my regular lines are sloppy when we leave the dock. On return a few days later, we wonder if we have the correct lines in hand (we leave them on the dock).
Lines will shrink a bit if not kept in a working position. Twisted or braided.
Moral; don't splice a loop in each end for that custom or fitted look. Eye on one end only and a nice whipping on the other (over length) end.

In reading about that storm coming up to S Cal, Got a great joke about Hilary;
NWS has declared that any loss of life to be called a suicide. As with any deaths before, around her,,,,

The NWS, IMO, has done a poor job in predicting this storm also.
Last SWAG;


I would advise, get out of the hills and move on your boat.

Floating finger dock? Snug and over to the far side and to the boat on the other side of the same floating dock.
No need for the boats to beat against the floating dock.
Just in case, NOT to the pile the floating dock rides on.
Spider web out if you can tie to anything solid and high.

All boats should be secured to docks or shore, other boats can spider web off of them.
If lines fail, other lines may still hold the boat in place.

Scope or angle of lines help also.
Hard to tie your boat to a floating dock when the lines are vertical.
More line out, more stretch and less snapping on the cleats also.

At the last minute is not the time to be receiving advice on tying up a boat.
When in doubt, open up a Chapman.

So I am assuming you don't live on a hill side. I fear the Sliding Muck factor will be the main issue to come.

Please update us come Monday.