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Queen's Harbour Master Portsmouth

NAVWARN No 26/17

NEW PORTSMOUTH APPROACH CHANNEL CHANGES – FINAL UPDATE

1. Following UKHO’s publication of updated Chart 2625, Approaches to Portsmouth, which reflects the widened and re-orientated channel, work to adjust the navigation buoys and port entry lights to reflect the changes is now complete.  The channel lateral marks, including the newly introduced Spit Elbow Buoy (Port Lateral Mark) are all on the edge of the new 9.5 metre maintained channel, with positions and characteristics as follows.  

Ridge Buoy Removed
Spit Refuge       50 46.206N 001 05.677W  Fl 3 R 7.5s
2 Bar                50 46.661N 001 06.154W  Fl 2 R 5s
4 Bar                50 46.977N 001 06.486W  Q R
Spit Elbow         50 45.817N 001 05.555W  Fl 4 R 10.s
Outer Spit Buoy 50 45.442N 001 05.455W  Q 6 + L Fl 15s
Saddle              50 45.103N 001 04.953W  VQ G
Horse Sand       50 45.623N 001 05.123W  Fl G 2.5s
Boyne               50 46.041N 001 05.259W  Fl 4 G 10s
Castle               50 46.460N 001 05.396W  Fl 3 G 7.5s
1 Bar                50 46.772N 001 05.809W  Fl 2 G 5s
3 Bar                 50 47.082N 001 06.232W Q G

2. The following port entry lights are now in operation.

Castle Pile Directional Light - Orientated around 348.5 degree transit with the Naval War Memorial – Characteristics in accordance with new Chart 2625

Fort Blockhouse Directional Light – Adjusted to orientate around 323 degrees – Characteristics in accordance with new Chart 2625

3. Southsea Castle Directional and Isophase lights have now been permanently extinguished in accordance with QHM Portsmouth NAVWARN 25/17.

4. This final update replaces the daily updates and will remain in force for 3 months.

5. The following Portsmouth NAVWARNs remain in force: 25/17, 21/17, 65/16, 55/16, 29/16, 17/16, 83/15, 27/14, 57/12, 52/11, 40/11, 45/10, 78/05 & 10/04.

6. Cancel NAVWARN’s 23/17 & 24/17.

7. Cancel this NAVWARN 8 Jun 17.