MARINE WEATHER DISCUSSION NATIONAL WEATHER SERVICE NEW YORK NY AS A WARM FRONT APPROACHES LATE THIS EVENING...SE-S WINDS WILL INCREASE TO 15 TO 20 KT...MAINLY ACROSS THE OCEAN WATERS. OCEAN SEAS OF 3-4 FT...SHOULD REACH SCA CRITERIA OF 5 FT THIS EVENING. SCA LEVEL OCEAN SEAS SHOULD LAST INTO MON AFTERNOON...POSSIBLY INTO MON EVENING OUT EAST. WITH EXPECTATION OF A FRONTAL BOUNDARY TO BE MEANDERING ACROSS THE REGION DURING THE MID WEEK PERIOD...SUB SCA WINDS ARE EXPECTED. WILL HAVE TO MONITOR MAGNITUDE OF SOUTHERLY SWELLS THROUGH MID WEEK...BUT SEAS SHOULD LIKELY REMAIN BELOW SCA WITH WEAK FLOW. A STRENGTHENING S-SW FLOW ON THU COULD BUILD OCEAN SEAS TO SCA... PARTICULARLY OUT EAST. HAVE UNDERCUT WAVEWATCH BY 1-2 FT DURING THIS TIME PERIOD DUE TO THE USUAL WARM SEASON BIAS. COLD FRONTAL PASSAGE SOMETIME THU NIGHT INTO FRI...WITH WIND SHIFT TO THE NW BEHIND IT. A GRADUAL SUBSIDING OF SOUTHERLY SWELLS WOULD BE EXPECTED BEHIND THE FRONT. &&