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Help - Anchoring in Omiha Bay (Rocky Bay - Waiheke Island)

Anchoring Omiha Bay Rocky Bay Waiheke Island

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#1 Costa Minta

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Posted 02 May 2019 - 04:06 PM

Has anyone had trouble anchoring in Omiha bay close to the moored yachts. Our anchor has dragged twice on two different occasions. 7.5 trailer yacht - 20 knt SW winds - Delta anchor - yacht does not normally drag it's anchor. Any thoughts anyone? - apart from don't anchor there lol.


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#2 Fish

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Posted 02 May 2019 - 04:11 PM

What weight / size delta?

How much chain, and

How much scope are you putting out?


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#3 Costa Minta

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Posted 02 May 2019 - 04:28 PM

6kg Delta - 8m chain - scope 1:5 - does not usually drag - rock bottom maybe?


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#4 rmiker

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Posted 02 May 2019 - 04:32 PM

I have anchored in rocky bay many times with a manson in 20kn and never dragged.


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#5 Costa Minta

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Posted 02 May 2019 - 04:38 PM

Hi 

rmiker

Was that in 

Omiha Bay among the moored yachts?
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#6 ex Elly

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Posted 03 May 2019 - 12:55 PM

I've never dragged there.  But I now prefer to anchor just off the beach to the west. Maybe you could try there?


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#7 Knot Me... maybe

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Posted 03 May 2019 - 05:05 PM

It could be as simple as a nappy, which is why a boat couldn't get holding down Waiheke way, it hooked a disposable nappy. Also seen a dunny, again down the bottom end. Cables are common as are plastic bags and more than one old partially corroded berr/fizzy drink can. Even mussel shells have been known to cause non anchoring.

 

So you may have just picked up something which then fell off. That is not that uncommon.

 

I'd not be too concerned for a one off occasion like this, but I would definitely keep it in mind, and see how you go next trip. If it happens again then probably something has gone bad on you, if it doesn't you may have just had a good old school 'sh*t happens'.

 

A 6kg Delta is bottom end of average for a 7.5mt vessel. When you lose it go up a kg or 2 or get a newer design. 8mts chain isn't a lot but it maybe a large size. But in saying that a 6kg combined with your comment 'yacht does not normally drag it's anchor' and shortish chain length does strongly suggest you do have good anchoring technique. That is a very very good thing.


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#8 harrytom

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Posted 03 May 2019 - 06:41 PM

Wouldnt be my choice of bays in a sw 20knt, virtually straight in unless you get tucked up behind the point.


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The boss said "see you in the morning"didnt know he liked sailing


#9 chariot

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Posted 04 May 2019 - 10:12 AM

That was my first thought HT.


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#10 Costa Minta

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Posted 04 May 2019 - 10:30 AM

Thank you every one for your comments and your pm's - agree with HT - We get seduced by a pleasant bush walk up to Batch winery - I know we shouldn't - I have concluded that the short, steep chop developed in those conditions was our undoing.

we will avoid anchoring there in those conditions in the future.


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