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Queen's Harbour Master Portsmouth

NAVWARN No 80/17

TEMPORARY SPECIAL MARKS LAID

1. Two temporary Yellow Special Marks (FL Y 5S) have been laid in Posn 50 DEG 46.428N 001 DEG 04.552W and 50 DEG 46.363N 001 DEG 02.663W (Either side of the Submerged Barrier - south of Southsea seafront).

2. The Buoys have been laid for scientific data gathering.

3. Mariners are to be navigate with due caution in the vicinity of these marks.

4. The following Portsmouth NAVWARNS remain in force: 79/17, 75/17, 70/17, 54/17, 33/17, 21/17, 55/16, 27/14, 57/12, 52/11, 40/11, & 10/04.