Marine Interpretation Message
Issued by NWS

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AGNT40 KWNM 310726
MIMATN

MARINE WEATHER DISCUSSION FOR N ATLANTIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
326 AM EDT MON AUG 31 2015

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

THE CURR SAT IMG INDC CONV CLDS OVR THE FAR S-WRN WTRS WITH DENSE
LIGHTNG STRIKES. THE RADAR HAS INDC STRNG TSTMS CELLS OVR THE
S-WRN PARTS. AT 06Z AREA OF HGH PRES CONTINUES TO DOMINATE THE
FRCST REGION XCPT THE S-WRN PARTS WHERE INLAND TROF STILL LIES
JUST W OF THE SRN REGION. THE PRES GRDNT IS STILL VERY WEAK WITH
MAX OBSVD WINDS REACHING 15 KT. THE LATST ASCAT PASS AT 0124Z HAD
MAX WINDS REACHING 15 KT ACRS THE REGION.

AN UPPRLVL RIDGE HAS CONINUED TO DOMINATE THE REGION WITH JUST
VERY LITTLE ENERGY EMBDD IN AN UPPRLVL TROF BARELY TOCHING THE NRN
WTRS. THERE IS STILL SOME LOCALLY INDCD ENERGY ALSO INLAND W OF
THE SRN WTRS SLATED TO SHIFT INTO THE WTRS IN THE SHORT
TERM...ALREADY IMPACTING THE S-WRN WTRS. THIS ENRGY WILL BE SO
LITTLE THAT AN UPPRLVL RIDGE WILL SWEEP IT EAST AND THE REGION
WILL AGAIN REMAIN WITH ALMOST NO ENERGY AND WILL BE LIKE THAT IN
THE XTNDD PRD. SINCE THERE ARE NO INDC OF SIG ENRGY THAT WILL
FORCE CHNGS TO THE CURR SYNOP SENARIO...SHUD CONTINUE WITH MEAGRE
WX OVR THE ENTIRE FCST WTRS.

THE GLBL MDLS ARE STILL IN GUD AGRMNT IN THE SHORT TERM AND THEY
HV JUST MNR DIFFS IN THE XTNDD PRD BUT THAT WILL NOT CHNG THE
SYNOP PATTERN. WILL CONTINUE FCST WITH GFS. IN THE SHORT TERM HGH
PRES WILL REMAIN OVR THE REGION WITH VERY SLCK PRES GRDNT AND SO
WINDS WIL REMAIN BELOW GALE FORCE THRESHOLD THRU THE FCST PRD.

.SEAS...THE SEAS ARE ARE SMALL PEAKING AT 6 FT OVR THE FAR SRN
WTRS AND THE FAR ERN PARTS OF THE HATTERAS CNYN. ELSEWHERE SEAS
RANGE BTWN 2 AND 5 FT. BOTH NWW3 AND ECMWFWV MDLS FIT WELL WITH
THE OBSVD SEAS PATTERN AND HV BEEN QUITE CONSSTNT AND SO WILL
CONTINUE WITH WNA.

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

.WARNINGS...PRELIMINARY.

.NT1 NEW ENGLAND WATERS...
     NONE.

.NT2 MID ATLC WATERS...
     NONE.

$$

.FORECASTER MUSONDA. OCEAN PREDICTION CENTER.



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