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  1. #1
    Join Date
    May 2017
    Posts
    26

    Default Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    We are on a bouy at Yarmouth. All is calm , except ... I figured it must be rain , light rain.., but no. Sounds like a crumpled plastic bag expanding , but from all over the hull , any ideas. ?? Thanks.

  2. #2
    Join Date
    May 2005
    Location
    up on the moors.
    Posts
    33,284

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    Shrimps.
    I think, therefore I am. I am, therefore I sail.

  3. #3
    Join Date
    May 2012
    Location
    Second Coast, Ross-shire, overlooking Gruinard Bay.
    Posts
    7,220

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    Quote Originally Posted by sarabande View Post
    Shrimps.
    +1
    Kay Sarah Sarah
    57°51.42' N 5°29.44' W

  4. #4
    Join Date
    Aug 2009
    Location
    Scotland.
    Posts
    14,194

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    It happens up here in Scotland and IIRC from a previous forum post it is the bugs in the water making a noise and being amplified through your hull.
    "'...contradictions .... are deliberate exercises in doublethink." Orwell from 1984

  5. #5
    Join Date
    Nov 2006
    Location
    Ardfern and Malvern
    Posts
    197

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    If you are near a fish farm, perhaps it is a seal scarer?

  6. #6
    Join Date
    Jul 2002
    Location
    Home: Kent. Boat: Chichester
    Posts
    43,423

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    Quote Originally Posted by sarabande View Post
    Shrimps.
    Polyester boring worms.

  7. #7
    Join Date
    Nov 2009
    Location
    Home UK Midlands / Boat Croatia
    Posts
    19,401

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    Quote Originally Posted by sarabande View Post
    Shrimps.
    Either shrimps or those fish with little teeth that graze on your hull.

    Richard

  8. #8
    Join Date
    May 2012
    Location
    Second Coast, Ross-shire, overlooking Gruinard Bay.
    Posts
    7,220

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    Just a thought
    If it was in daylight hours, it might be ducklings scraping the hull for "bits". I had that at Cambrai Island centre in 2014. Sweet wee things, but fearful noise inside!
    Kay Sarah Sarah
    57°51.42' N 5°29.44' W

  9. #9
    Join Date
    Jan 2008
    Posts
    34

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    Pistol shrimps. Here's how. Fascinating! https://www.youtube.com/watch?v=1wBYPjkGRdo

  10. #10
    Join Date
    Nov 2011
    Location
    Sydney, Australia.
    Posts
    5,264

    Default Re: Crackling noise from hull at night. ! NOW. ! Reassurance needed. !

    Up on the Great Barrier Reef the Parrot fish graze on a weedy hull (the AF has never been reported as doing them harm) and you can here the whales singing as they pass by. The latter is a bit surreal.

    Jonathan

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