18-25 NtoM

01/04/2025 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464

Y Felinheli – Port Dionorwic

Mae tri Marc Rasio Tymhorol wedi’u sefydlu yn y safleoedd canlynol:
CHYF 3 – 53˚10.867N 004˚ 13. 476W
CHYF 4 – 53˚11.110N 004˚ 13. 095W
CHYF 5 – 53˚11.326N 004˚ 12. 936W

Three Seasonal Race Marks have been established in the following positions:
PDSC 3 – 53˚ 10.87N 004˚ 13. 47W
PDSC 4 – 53˚ 11.11N 004˚ 13. 09W
PDSC 5 – 53˚ 11.32N 004˚ 12. 93W