Marine Interpretation Message
Issued by NWS

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000
AGNT40 KWNM 200802
MIMATN

MARINE WEATHER DISCUSSION FOR N ATLANTIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
402 AM EDT SAT SEP 20 2014

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

THE CURR IR SAT IMG STIL SHOW CONV CLDS OVR THE SRN WTRS AND THE
LIGHTNG IS CONCENTRAED THERE. THE RADAR HAS TSTMS CELLS EMBDD IN
CLDS OVR THE SRN WTRS AND ARE STEADLY SPREADING INTO THE CNTRL
REGION. AT 06Z HGH PRES 1031 MB JUST NE OF MAINE WTRS HAS ITS
RIDGE OVR THE NRN WTRS AND IS BULDING S INTO THE CNTRL WTRS. A CLS
FRNT STRETCHES S FROM LOW PRES SE OF GREENLAND AND PASSES OVR THE
SRN WTRS. THE PRES GRDNT IS FAIRLY SLACK AT THE MOMENT AND THE MAX
OBS WINDS ARE ONLY 20 KT. THE LTAST ASCAT PASS OVR THE REGION AT
0204Z MISSED THE CNTRL REGION AND HAD INDC WINDS TO 25 KT OVR THE
ERN PARTS OF THE CNTRL REGION.

THE GLBL MDLS ARE IN SOME DECENT AGRMNT AND HAVE NOW CONVERGED ON
DVLPNG A LOW PRES THAT WILL APPROACH THE WTRS FROM THE S. THE PRES
GRDNT WILL BECOME TIGHT ENOUGH TO GENERATE GALE FORCE WINDS SUN.
WILL STAY WITH GFS FOR THE GRIDS.

.SEAS...THE SEAS RANGE BETWN 4 AND 8 FT AND THE OBSVD SEAS PATTERN
FITS WELL WITH THE NWW3 WV MDL. WILL USE NWW3 FOR THE GRIDS.


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


.WARNINGS...PRELIMINARY.

.NT1 NEW ENGLAND WATERS...
.ANZ900...GEORGES BANK EAST OF 68W...
     GALE SUN NIGHT.

.NT2 MID ATLC WATERS...
.ANZ920...BALTIMORE CANYON TO THE GREAT SOUTH CHANNEL...
     GALE SUN INTO SUN NIGHT.
.ANZ905...THE GREAT SOUTH CHANNEL TO THE HAGUE LINE...
     GALE SUN NIGHT.
.ANZ910...EAST OF THE GREAT SOUTH CHANNEL AND SOUTH OF 39N...
     GALE SUN NIGHT.
.ANZ925...OUTER WATERS FROM BALTIMORE CANYON TO HATTERAS CANYON...
     GALE SUN INTO SUN NIGHT.
.ANZ930...OUTER WATERS FROM HATTERAS CANYON TO CAPE FEAR...
     GALE SUN INTO SUN NIGHT.
.ANZ935...OUTER WATERS FROM CAPE FEAR TO 31N...
     GALE SUN.

$$

.FORECASTER MUSONDA. OCEAN PREDICTION CENTER.


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