Marine Interpretation Message
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000
AGNT40 KWNM 171251
MIMATN

MARINE WEATHER DISCUSSION FOR N ATLANTIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
851 AM EDT WED SEP 17 2014

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

SUMMARY...THE IR SAT IMGRY IS STILL SHOWING CONVECTION OVER THE
SRN NT2 WTRS THIS MRNG...WITH THE LIGHTNING PRODUCT SHOWING
ISOL/SCT SHOWERS AND TSTMS ACROSS THE SRN NT2 ZONES. LATEST AVAIL
ASCAT PASS AT 0126Z HAD NO WINDS ABOVE 17 KT ACROSS THE OFSHR
AREAS. HURCN EDOUARD WAS AT 35.1N 55.4W AT 17/09Z THIS MRNG BASED
ON THE LATEST NHC ADVISORY...WHICH PUTS IT WELL E OF THE OFSHR
WTRS BUT STILL WITHIN THE MIM AREA. LOW PRES WILL PASS E ACROSS
THE SRN NT2 WTRS TODAY INTO TONITE...THEN MOVE NE AND PASS SE OF
THE GEORGES BANK AREA THU AND STRENGTHEN. STG HI PRES WILL BUILD
IN FROM THE NW THU NIGHT INTO FRI NIGHT...MOVE E OF THE AREA SAT
WHILE EXTENDING A RIDGE W ACROSS THE NT1 AND NRN NT2 WTRS...THEN
WEAKEN SUN. A COLD FRONT WILL APPROACH THE NEW ENG AND NEW JERSEY
COASTS FROM THE W SUN AND SUN NITE.

MODELS...THE MED RNG MDLS ARE ALL IN GUD AGREEMNT THRU THE FCST
PRD...WITH THE ECMWF/GFS IN CLOSEST AGREEMNT ACROSS THE OFSHR
WTRS. WILL BE USING THE REPRESENTATIVE GFS 10M FOR THE WIND GRIDS.
AM NOT PLANNING TO MAKE ANY SIGNIF CHANGES TO THE CURRENT FCST
TREND.

SEAS...ECMWF WAM APRS TO BE UNDER INITIALIZING BY A FEW FEET OVER
THE OFSHR WTRS...AND IS A FEW FEET LOWER THAN THE MULTIGRID WW3
MDL THRU THU. WITH LONGER PRD E TO SE SWELL FROM HURCN EDOUARD
EXPCTD TO MOVE INTO THE OFSHR AREAS THRU THU...WILL BE USING THE
MORE ROBUST MWW3 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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