1. HAZARDOUS OPERATIONS CONSIDERED HAZARDOUS TO SURFACE VESSELS WILL BE CONDUCTED WITHIN THE FOLLOWING OFFSHORE AREAS OF NAVAREA XIIl: A. HAZARD AREA 34- 40' 0" N 120- 37' 0" W 34- 31' 0" N 120- 31' 0" W 31- 52' 0" N 121- 9' 0" W 31- 52' 0" N 121- 14' 0" W 34- 36' 0" N 120- 42' 0" W TO BEGINNING
34.66666667 -120.61666667 34.51666667 -120.51666667 31.86666667 -121.15 31.86666667 -121.23333333 34.6 -120.7 34.66666667 -120.61666667 TO BEGINNING B. HAZARDOUS OPERATIONS WILL BE CONDUCTED DURING THE FOLLOWING: DATES/TIMES/MONTH/YEAR---- 300205Z AUG TO 300628Z AUG 2025---- (PRIMARY) 310205Z AUG TO 310628Z AUG 2025---- (BACKUP DAY) 010205Z SEP TO 010628Z SEP 2025---- (BACKUP DAY) 020205Z SEP TO 020628Z SEP 2025---- (BACKUP DAY) 030205Z SEP TO 030628Z SEP 2025---- (BACKUP DAY) 040205Z SEP TO 040628Z SEP 2025---- (BACKUP DAY) 050205Z SEP TO 050628Z SEP 2025---- (BACKUP DAY) A. HAZARD AREA 28- 20' 0" N 122- 2' 0" W 28- 43' 0" N 122- 17' 0" W 29- 50' 0" N 121- 42' 0" W 29- 7' 0" N 121- 19' 0" W 28- 23' 0" N 121- 34' 0" W TO BEGINNING
28.33333333 -122.03333333 28.71666667 -122.28333333 29.83333333 -121.7 29.11666667 -121.31666667 28.38333333 -121.56666667 28.33333333 -122.03333333 TO BEGINNING B. HAZARDOUS OPERATIONS WILL BE CONDUCTED DURING THE FOLLOWING: DATES/TIMES/MONTH/YEAR---- 300205Z AUG TO 300648Z AUG 2025---- (PRIMARY) 310205Z AUG TO 310648Z AUG 2025---- (BACKUP DAY) 010205Z SEP TO 010648Z SEP 2025---- (BACKUP DAY) 020205Z SEP TO 020648Z SEP 2025---- (BACKUP DAY) 030205Z SEP TO 030648Z SEP 2025---- (BACKUP DAY) 040205Z SEP TO 040648Z SEP 2025---- (BACKUP DAY) 050205Z SEP TO 050648Z SEP 2025---- (BACKUP DAY) 2. SURFACE VESSELS ARE STRONGLY ADVISED TO AVOID THIS AREA DEFINED DURING SPECIFIED DATES / TIMES. 3. DURING OPERATIONS, FRONTIER CONTROL WILL BE MANAGING HAZARDOUS AREA SURFACE TRAFFIC ON VHF MARINE BAND CHANNEL 16 AND CHANNEL 6. 5. CANCEL AT//050748Z SEP 25//
