Notice to Mariners

Notice to Mariners No.034 of 2021 - Ecological Surveys in Milford Haven and Pennar Gut



1. MARINERS ARE HEREBY ADVISED that, ecological surveys will take place on the Haven between 13th April 2021 and 3rd August 2021.

2. Ichthyoplankton Trawl surveys will be undertaken in April, May, June, July and August by the vessel “Sea Leopard”, which will maintain a listening watch on VHF channels 12 and 71 during operations.

3. The surveys will take place at the following locations:


 Trawl location  Start  Finish
 Pennar Gut

 51°41’325”N   004°58’693”W

 51°41’066”N  004°58’558”W

 Pennar East

 51°41’688”N   004°58’749”W

 51°41’843”N  004°58’391”W

 Pennar West

 51°41’609”N   004°59’082”W

 51°41’805”N  004°59’386”W

4. Mariners are required to navigate with caution in these areas whilst survey vessels are in operation.

5. For details of the whereabouts of these craft, please contact Port Control on:

i. VHF channel 12
ii. Telephone 01646 696137
iii. Fax 01646 696110
iv. Email

6. Admiralty chart 3275, 3274 and Imray Y26 & 2600 ATLAS refer.

7. This Notice will self cancel at 2359 on 4th August 2021.


Port of Milford Haven
Gorsewood Drive
Milford Haven
SA73 3EP

Tel: 01646 696100

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