Marine Interpretation Message
Issued by NWS

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000
AGNT40 KWNM 030717
MIMATN

MARINE WEATHER DISCUSSION FOR N ATLANTIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
317 AM EDT THU SEP 3 2015

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

SUMMARY...NCEP 00Z SFC ANALYSIS SHOWS HI PRES RIDGING OVER THE
OFSHR WTRS...EXCEPT FOR A LOW PRES TROF EXTNDG NE TO SW ACROSS THE
MAINE COAST. LATEST AVAIL ASCAT PASSES FROM LAST NITE SHOW LIGHT
WINDS OF 15 KT OR LESS ACROSS THE OFSHR AREAS. LIGHTNING DENSITY
PRODUCT DATA AT 0700Z SHOWS SCT SHOWERS/TSTMS OVER THE CNTRL NT2
WTRS E OF 1000 FM...AND IN THE FAR SW PART OF THE NT2 AREA NEAR
THE GA COAST. THE WEAK SUMMERTIME PATTERN IS EXPCTD TO PERSIST
THRU MON NITE...WITH WINDS NOT EXPCTD TO EXCEED 20 TO 25 KT AND
SEAS NOT EXPCTD TO EXCEED 6 TO 7 FT.

MODELS...00Z MED RNG MDLS ARE IN GUD OVERALL AGREEMNT ACROSS THE
OFSHR WTRS THRU THE FCST PRD...EXCEPT THE 00Z GEM LOOKS NOISY
AND/OR OVERDONE IN THE SUBTROPICS W OF 50W FOR SAT THRU SUN AND
OVERDONE IN THE NT2 WTRS FOR SUN NITE THRU MON NITE. THE
REPRESENTATIVE 00Z GFS 30M SOLN WILL BE USED TO POPULATE THE WIND
GRIDS THRU THE ENTIRE FCST PRD. 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 IN THE OFSHR WTRS. THE 00Z WNA WAVEWATCH
III AND 00Z ECMWF WAM ARE IN VRY GUD OVERALL AGREEMNT THRU MON
NITE...SO WILL JUST USE THE 00Z WNA WAVEWATCH III MDL FOR THE SEA
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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