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  1. #1
    Join Date
    Nov 2002
    Location
    West Mersea
    Posts
    6,299

    Default Notice to Mariners Week 17

    UKHO Preliminary/Temporary/Permanent

    1. ENGLAND - South East Coast - Depths. - Two reduced depths on the west edge of the Goodwin Knoll and two reduced depths at the Goodwin Fork. The latter is more than 6m. The first image also includes reduced depths on the west edge of the Knoll vide NtM No 877 this year.Two reduced depths on the west edge of the Goodwin Knoll and two reduced depths at the Goodwin Fork. The latter is more than 6m. The first image also includes reduced depths on the west edge of the Knoll vide NtM No 877 this year.
    2. ENGLAND - East Coast - Depths. - River Thames - Two new depths at the entrance to the King George V Entrance Lock on the Thames. Depths have improved!

    Images can be seen on: http://www.crossingthethamesestuary.com/page9.html

    Local

    1. GRAVESEND REACH TILBURY2 MARSH FARM JETTY AND MOORING DOLPHIN REMOVAL - Work to remove the Marsh Farm Jetty and the lower end dolphin of the former Tilbury Power Station Jetty will commence the week beginning 22nd April as part of the TILBURY2 development. A 75m spud leg barge will be utilised for the removal of the structures along with a transfer barge and the multi-cat vessel, SEADOG. Scaffolding will be rigged on the structures to assist with removal and lifting. Lifting operations will be carried out at as required during which time London VTS will broadcast a ‘Proceed with Caution on VHF Channel 68. All vessels involved with the works will maintain a continuous listening watch on VHF Channel 68. At times International Code flags “Romeo Yankee” will be exhibited in conjunction with a “Proceed with Caution” being broadcast by London VTS. Removal works are expected to last for approximately 6 weeks.
    2. Seabed obstruction removed from the River Stour (Good-oh) - the identified seabed obstruction with a drying height of 0.5m above chart datum identified in the River Stour up stream of No.15 Buoy has now been removed from the following approximate position: 51º 56.74ˈN 001° 05.39ˈE. Notice to Mariners number 20 of 2019 has been revoked.
    3. RIVER MEDWAY – HALSTOW CREEK LOWER HALSTOW: SUNKEN BARGE NORTH OF LOWER HALSTOW YACHT MOORINGS - the floating dock/converted barge Westmoreland, that has been moored between two large yellow mooring buoys to the north of the Lower Halstow Yacht Moorings, has sunk. It is still made fast to the two yellow marker buoys fore and aft but, is itself, covered at high water. The centre of the barge between the two yellow buoys is marked by floating pellet buoys. Mariners should navigate with caution due to this submerged danger to navigation Approximate position - 510 23.00N 0000 40.60E. The owner is aware and will be dealing with the situation.
    4. Dredging Operations - Burnham Yacht Harbour Marina Ltd have now completed their Maintenance Dredging Operations in the approach to and within Burnham Yacht Harbour, Burnham on Crouch, Essex.
    5. LOWESTOFT - FOR SURVEY OPERATIONS IN LAKE LOTHING (REVISED) - continued hydrographic survey operations will be taking place in Lake Lothing on Monday 15th and Tuesday 16th April. These will be conducted using a remote controlled surface vessel (photo below), operated by ‘Survey Solutions’. The craft will be remotely controlled from the quayside. The survey area will extend across the river from North quay 5 and Kirkley Ham (shown on below chart extract). The survey will only be undertaken in daylight hours and will be subject to favourable weather conditions. The remote craft will be launched from Silo quay steps. A shore side team operating the craft will be monitoring VHF Ch14 during the survey and all river traffic will be given priority.
    6. Port of Wells - dredging;
    7. Blakeney Harbour - starboard Channel Marker buoy number 13 (FlG4s) has been reinstated in position: N 52 degrees 58.089’ E 000 degrees 57.581’.

    That's it.
    www.crossingthethamesestuary.com

  2. #2
    Join Date
    Dec 2003
    Location
    Medway, Gillingham Reach
    Posts
    1,053

    Default Re: Notice to Mariners Week 17

    I did a delivery from the Hamble to teh Medway over the last week [it was cold], coming along the Margate/Copperass Channel on Tuesday I didn't see a single buoy until the red Copperass buoy. It was very hazy and I was having difficulty seeing the northern shore as I came through and maybe as a result I was either too far north or too far south in the channel. It made me think that if they had moved or removed the buoys I should pay more attention to the notice to mariners.
    John Apps

  3. #3
    Join Date
    Nov 2002
    Location
    West Mersea
    Posts
    6,299

    Default Re: Notice to Mariners Week 17

    Well there hasn't been a NtM about the Gore /South Channel. The SE and S Margates should have been to starboard. They are 'Trinity House' buoys so I would have expected them to have replacements immediately if they had been lifted for maintenance. If you had difficulty seeing the northern shore it was very murky, very murky indeed. The cliffs are less than 1nm. This afternoon was quite murky this afternoon - and the sea breeze yesterday afternoon robbed me of a shine on my vanish (sic)! Last week? I thought it bl**dy cold!
    www.crossingthethamesestuary.com

  4. #4
    Join Date
    Dec 2003
    Location
    Medway, Gillingham Reach
    Posts
    1,053

    Default Re: Notice to Mariners Week 17

    I was surprised that I didn't see the East Cardinal, which is the one I pay attention to going up channel as it tends to get shallower after that.

    Last year I am sure there were two Longnose buoys as well, but this year I could only see one, but it might have been the haze obscuring the one that used to be further north.
    John Apps

  5. #5
    Join Date
    Aug 2003
    Location
    Swale/Medway
    Posts
    4,255

    Default Re: Notice to Mariners Week 17

    Re the Longnose, I generally round the corner not far off the big dolphin, John, I don't worry too much about the buoys as there's always plenty of water further in.
    As for that SE Margate, I seem to have trouble spotting that even on a clear day! Somehow it never seems to be where I think it should be, but I'm sure it is.
    Keep up to date with 'East Coast Pilot' at www.eastcoastpilot.com

  6. #6
    Join Date
    Dec 2003
    Location
    Medway, Gillingham Reach
    Posts
    1,053

    Default Re: Notice to Mariners Week 17

    Quote Originally Posted by Cantata View Post
    Re the Longnose, I generally round the corner not far off the big dolphin, John, I don't worry too much about the buoys as there's always plenty of water further in.
    Oh, that's interesting. I have always just cut within about 50 metres of the Longnose because my pilot book (East Coast Rivers) advises that the banks extend quite away out from the dolphin to the Longnose. I also am always cautious around headlands because of wind shifts and strength changes which could drive you onto an obstruction if they hit you unexpectedly.
    John Apps

  7. #7
    Join Date
    Aug 2003
    Location
    Swale/Medway
    Posts
    4,255

    Default Re: Notice to Mariners Week 17

    I probably would stay further out in a blow, but then I'm not generally there in strong weather, I'd rather be somewhere else.
    There's a nice close-up pic of the dolphin in my pilot book!
    Keep up to date with 'East Coast Pilot' at www.eastcoastpilot.com

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