Marine Interpretation Message
Issued by NWS

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AGNT40 KWNM 011907
MIMATN

MARINE WEATHER DISCUSSION FOR N ATLANTIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
307 PM EDT MON SEP 1 2014

.FORECAST DISCUSSION: MAJOR FEATURES/WINDS/SEAS/SIGNIFICANT
.WEATHER FOR THE NORTH ATLANTIC OCEAN W OF 50W FROM 30N TO 50N.

SUMMARY...A TROF WILL DRIFT E ACROSS THE NT1 AND NRN NT2 WTRS
TONITE INTO TUE...AS A HI PRES RDG PERSISTS OVER THE CNTRL AND
SRN NT2 WTRS. A WEAK COLD FNT WILL MOVE SE OVER THE NT1 AND NRN
NT2 WTRS TUE NITE AND WED...CONT SE INTO THE CNTRL NT2 WTRS WED
NITE INTO THU...THEN STALL AND DSIPT ACROSS THE SRN NT2 WTRS THU
NITE INTO FRI. ANOTHER RDG WILL BLD OVER THE OFSHR WTRS N OF THE
FNT THU...THEN SHIFT SE ACROSS THE OFSHR ZONES THU NITE INTO FRI
NITE. ANOTHER COLD FNT WILL MOVE SLOWLY SE AND APRCH THE NEW ENG
AND NEW JERSEY CSTS FRI NITE AND SAT...THEN MOVE OFSHR INTO THE
NT1 AND NW NT2 WTRS SAT NITE.

MODELS...THE 12Z ECMWF/GFS/UKMET ARE IN VRY GUD OVERALL AGREEMNT
THRU THE FCST PRD. 12Z GEM LOOKS OVERDONE WITH STRENGTH OF THE SW
FLOW AHD OF THE COLD FNTS TUE NITE AND FRI NITE...AND IS ALSO
FASTER THAN THE OTHER MDLS WITH THE COLD FNT DURG THE FRI NITE
THRU SAT NITE PRD. 12Z NOGAPS IS THE ONLY MDL TO WASH OUT THE COLD
FNT DURG THE FRI NITE INTO SAT TIMEFRAME. WILL USE THE GFS 10M FOR
THE WIND GRIDS...BECAUSE IT IS A GUD COMPRIMISE BTWN THE STGR GFS
30M AND THE WKR ECMWF BL WINDS. AM NOT PLANNING TO MAKE ANY SIGNIF
CHANGES TO THE CURRENT FCST TREND.

.SEAS...THE 12Z MULTIGRID WW3 MDL INITIALZED WELL VERSUS THE BUOY
OBS...WITH THE MDL GUIDANCE WITHIN A FOOT OR SO OF THE BUOYS. THE
12Z MWW3 MDL AND 12Z ECMWF WAM ARE WITHIN TWO FT OF EACH OTHER
OVER THE OFSHR WTRS DURG THE FCST PRD...SO WILL GO WITH A
REPRESENTATIVE 70/30 MWW3/ECMWF WAM BLEND FOR THE WAVE HT GRIDS.

.EXTRATROPICAL STORM SURGE GUIDANCE...N/A.


.WARNINGS...PRELIMINARY.

.NT1 NEW ENGLAND WATERS... NONE.

.NT2 MID ATLC WATERS... NONE.

$$

.FORECASTER SCOVIL. OCEAN PREDICTION CENTER.


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