THIS FORECAST WAS AUTOMATICALLY GENERATED FROM NOAA/NWS/OPC FORECAST GRIDS AND SOME MODEL DATA. NO FORECASTER HAS PROOF READ THIS FORECAST. PLEASE USE AS GUIDANCE ONLY. FOR FORECAST COLLABORATION AND QUESTIONS, PLEASE CONTACT OPC'S ATLANTIC REGIONAL FORECASTER AT 301-683-1520 OR NCEP.LIST.OPC-IDSS@NOAA.GOV. FOR TECHNICAL OR FORMATTER QUESTIONS, PLEASE CONTACT OPC'S APPLICATIONS BRANCH AT NCEP.OPC.SUPPORT@NOAA.GOV. FORMATTER VERSION: V1.2.1 - MAY 3, 2019: ADDED EXTENDED 7 DAY FORECAST. ********************************************************************* 1. NATIONAL WEATHER SERVICE HAZARDS AT 301800Z NOV 25: A. 40.100250N 69.917300W: NONE 2. METEOROLOGICAL SITUATION AT 301800Z NOV 25: A WARM FRONT WILL DEVELOP AND MOVE N OVER THE AREA THIS AFTERNOON, AND REACH THE GULF OF MAINE SUN TONIGHT. A COLD FRONT WILL SWEEP E ACROSS THE WATERS TONIGHT, AND MOVE WELL E OF THE AREA MON. HIGH PRESSURE WILL BUILD E ACROSS THE AREA LATE MON, PERSIST MON NIGHT, AND THEN MOVE QUICKLY OFF TO THE E EARLY TUE. INTENSIFYING LOW PRESSURE WILL APPROACH THE WATERS FROM THE SW EARLY TUE AND MOVE INTO THE AREA LATE TUE INTO TUE NIGHT. THE LOW WILL RAPIDLY EXIT NE OF THE REGION WED BEFORE HIGH PRESSURE QUICKLY MOVES ACROSS THE WATERS WED NIGHT. YET ANOTHER COLD FRONT WILL MOVE ACROSS THE AREA THU BEFORE EXITING TO THE E AND SE LATE THU NIGHT. MARINERS SHOULD MONITOR THE LATEST FORECASTS FOR THE INTENSIFYING LOW PRESSURE SYSTEM SET TO IMPACT THE REGION TUE INTO WED, AND BEGIN TO STRONGLY CONSIDER AVOIDANCE ROUTING AT THIS TIME. 3. 40.100250N 69.917300W 24 HOUR FORECAST COMMENCING 301800Z NOV 25 A. NATIONAL WEATHER SERVICE HAZARDS: NONE B. SKY, WEATHER: 30/18Z: MM WITH CHANCE OF RAIN, 01/00Z: RAIN, 01/06Z: CHANCE OF RAIN, CHANCE OF RAIN SHWRS, 01/12Z:. C. VSBY (NM): 30/18Z: GREATER THAN 7NM. D. SURFACE WIND (KTS): 30/18Z: S 15G20, 01/00Z: S 15 TO 20G25, 01/06Z: W 20 TO 25G30, 01/12Z: NW 25G30. E. COMBINED SEAS (FT): 30/18Z: S 3 TO 4, 01/00Z: S 4 TO 5, 01/06Z: SW 6 TO 7, 01/12Z: W 7 TO 8. F. MAX/MIN TEMPS (F): 30/18Z: 57/43. G. SST ANALYSIS (F): 28/00Z: NO DATA AVAILABLE. H. THRESHOLD BASED OPERATING CONDITIONS: (1) SEAS (FT): OPERATIONS: FAVORABLE: NO MORE THAN 4 FT UNFAVORABLE: GREATER THAN 4 FT ROV: FAVORABLE: NO MORE THAN 7 FT UNFAVORABLE: GREATER THAN 7 FT 30/18Z: FAVORABLE CONDITIONS FOR OPERATIONS, ROV, 01/00Z: FAVORABLE CONDITIONS FOR ROV, UNFAVORABLE CONDITIONS FOR OPERATIONS, 01/06Z: UNFAVORABLE CONDITIONS FOR OPERATIONS, ROV. I. OUTLOOK TO 48 HOURS: (1) WINDS (KTS): 01/18Z: NW 15 TO 20G25, 02/00Z: NE 10G15, 02/06Z: SE 5 TO 10G15, 02/12Z: SE 15G20. (2) COMBINED SEAS (FT): 01/18Z: W 7 TO 8, 02/00Z: W 5 TO 6, 02/06Z: W 4, 02/12Z: NW 3. J. EXTENDED FORECAST TO 7 DAYS: (1) WINDS (KTS): 02/18Z: NW 20 TO 30G35, 03/18Z: W 15 TO 20G25, 04/18Z: NW 20 TO 30G40, 05/18Z: S 15 TO 20G25, 06/18Z: N 5 TO 10G15. (2) COMBINED SEAS (FT): 02/18Z: S 10 TO 14, 03/18Z: SE 7 TO 11, 04/18Z: W 10 TO 14, 05/18Z: SE 4 TO 7, 06/18Z: SE 7 TO 9. K. OTHER COMMENTS: (1) VISIBILITY UNRESTRICTED OUTSIDE OF PRECIPITATION. (2) FOR BEST POSSIBLE WEATHER FORECASTS AND SURVEILLANCE, PLEASE SEND WEATHER OBSERVATIONS EVERY SIX HOURS AND PROVIDE TIMELY, ACCURATE MOVREPS. 4. FORECASTER: OCEAN FORECAST BRANCH - OCEAN PREDICTION CENTER/