Marine Interpretation Message
Issued by NWS

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000
AGNT40 KWNM 050712
MIMATN

MARINE WEATHER DISCUSSION FOR N ATLANTIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
312 AM EDT SAT SEP 5 2015

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

SUMMARY...00Z NCEP SFC ANALYSIS SHOWS A HI PRES RIDGE BLDG S OVER
THE NT1 WTRS...AND BROAD WEAK TROFNG S OF BALTIMORE CYN. LATEST
AVAIL ASCAT PASSES FROM EARLIER LAST NITE INDICATED NE FLOW OF 20
TO 25 KT OVER THE SRN NT1 AND NRN NT2 WTRS...BUT OTHW WERE
SHOWING LIGHT WINDS OF 15 KT OR LESS. LIGHTNING DENSITY PRODUCT
DATA AT 0620Z SHOWS A FEW AREAS OF ISOLD SHOWERS/TSTMS OVER THE
CNTRL AND SRN NT2 WTRS. A WEAK SUMMERTIME PATTERN WILL PREVAIL
ACROSS THE OFSHR WTRS THRU WED NITE...WITH WINDS 25 KT OR LESS AND
SEAS 7 FT OR LESS.

MODELS...THE 00Z MED RNG MDLS ARE IN GUD OVERALL AGREEMNT ACROSS
THE OFSHR WTRS THRU THE FCST PRD...EXCEPT THE 00Z GEM IS SLOWER
THAN THE OTHER MDLS FOR THE TUE NITE THRU WED NITE TIMEFRAME. WILL
USE THE CONSISTENT AND REPRESENTATIVE 00Z GFS 30M SOLN FOR TONITE
THRU SUN NITE...THEN GO WITH THE 00Z GFS 10M SOLN FOR MON THRU
WED NITE. AM NOT PLANNING TO MAKE ANY SIGNIF CHANGES TO THE
CURRENT FCST TREND.

SEAS...WNA VERSION OF THE 00Z WAVEWATCH III MDL AND 00Z ECMWF WAM
BOTH INITIALIZED WELL ACROSS THE OFSHR WTRS. THE MDLS ARE IN GUD
OVERALL AGREEMNT THRU THE FCST PRD...SO WILL GO WITH THE WNA
WAVEWATCH III MDL THRU WED NITE.

.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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