

475 

AGNT40 KWNM 292033

MIMATN



MARINE WEATHER DISCUSSION FOR N ATLANTIC OCEAN

NWS OCEAN PREDICTION CENTER WASHINGTON DC

433 PM EDT MON AUG 29 2016



.FORECAST DISCUSSION: MAJOR FEATURES/WINDS/SEAS/SIGNIFICANT

.WEATHER FOR THE NORTH ATLANTIC OCEAN W OF 50W FROM 30N TO 50N.



THE SAT IMG STILL INDC A HIGH PRES RIDGE OVER THE NRN WATERS. THE

LATEST OBSRERVATIONS INCLUDING ASCAT PASS ABOUT 1452Z SUGGEST

HIGHWER WINDS OVER THE SRN WATERS. THE ASCAT PASS MISSED MOST OF

THE REGION INCLUDING THE AREA AROUND TROPICAL DEPRESSION EIGHT. AT

18Z MAIN SYNOPTIC FEATURES AFFECTING THE NRN WATERS ARE STILL HIGH

PRES 1024 MB NEAR 42N49W THAT EXTENDS A RIDGE W INTO THE NRN

WATERS WITH A SECONDARY HIGH CENTER 1020 MB OVER THE NE BALT

CANYON. A STNRY FRONT HAS WEAKENED ACROSS THE CENTRAL WATERS AND

THE PRES GRADIENT IS FAIRLY SLACK. OVER THE SRN WATERS IS TROPICAL

DEPRESSION EIGHT. HURCN GASTON IS CENTERED ABOUT 800 NM E OF THE

SRN WATERS OR ABOUT 480 NM E OF BERMUDA. TROPICAL DEPRESSION NINE

IS SLATED TO MOVE INTO THE SRN WATERS AS A TROPICAL STORM IN THE

EXTENDED PERIOD. SEE THE NHC FOR THE LATEST ON HURCN GASTON...T.D.

EIGHT AND T.D NINE.



THE MODELS GFS/ECMWFHR/UKMETHR/CMC/NOGAPS/JMA HAVE INITIALIZED

FAIRLY WELL WITH 18Z OBSERVATIONS PATTERN BUT STILL HAVE

DIFFERENCES WITH PEAK VALUES NEAR THE CENTER OF T.D. EIGHT. THE

MODEL WINDS APPEAR TO BE UNDERDONE BUT ARE BETTER THAN THE

PREVIOUS RUNS. WILL STAY WITH GFS THEN APPLY TCM TOOL FOR T.D

EIGHT AND T.D NINE.



.SEAS...THE SEAS ARE HIGHER OVER THE SRN WATRS IN THE VICINITY OF

T.D EIGHT WITH PEAK TO 10 FT. OTHERWISE SEAS RANGE BETWEEN 3 AND

6 FT OVER THE CENTRAL AND NRN WATERS. NWW3 WAVE MODEL HAS

INITALIZED WELL WITH THE SEAS PATTERN AND SEEM TO BE DOING BETTER

THAN IN THE PREVIOUS RUNS AROUND T.D. EIGHT. WILL CONTINUE WITH

NWW3.





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





.WARNINGS...PRELIMINARY.



.NT1 NEW ENGLAND WATERS...

     NONE.



.NT2 MID ATLC WATERS...

.ANZ915...HUDSON CANYON TO THE GREAT SOUTH CHANNEL...

     TROPICAL STORM POSSIBLE WED NIGHT.

.ANZ920...BALTIMORE CANYON TO THE GREAT SOUTH CHANNEL...

     TROPICAL STORM WED.

     TROPICAL STORM POSSIBLE WED NIGHT.

     TROPICAL STORM POSSIBLE SAT.

.ANZ905...THE GREAT SOUTH CHANNEL TO THE HAGUE LINE...

     TROPICAL STORM POSSIBLE WED NIGHT INTO THU. 

     TROPICAL STORM POSSIBLE SAT INTO SAT NIGHT. 

.ANZ910...EAST OF THE GREAT SOUTH CHANNEL AND SOUTH OF 39N...

     TROPICAL STORM POSSIBLE WED NIGHT INTO THU. 

     TROPICAL STORM POSSIBLE SAT INTO SAT NIGHT. 

.ANZ828...INNER WATERS FROM CAPE CHARLES LIGHT TO CURRITUCK BEACH LIGHT...

     TROPICAL STORM TUE NIGHT INTO WED. 

.ANZ925...OUTER WATERS FROM BALTIMORE CANYON TO HATTERAS CANYON...

     TROPICAL STORM TUE NIGHT INTO WED. 

     TROPICAL STORM POSSIBLE FRI NIGHT INTO SAT. 

.ANZ830...INNER WATERS FROM CURRITUCK BEACH LIGHT TO CAPE HATTERAS...

     TROPICAL STORM TUE INTO WED. 

     TROPICAL STORM POSSIBLE FRI NIGHT.

.ANZ833...INNER WATERS FROM CAPE HATTERAS TO CAPE FEAR...

     TROPICAL STORM TUE INTO TUE NIGHT. 

     TROPICAL STORM POSSIBLE FRI INTO FRI NIGHT. 

.ANZ930...OUTER WATERS FROM HATTERAS CANYON TO CAPE FEAR...

     TROPICAL STORM TUE NIGHT INTO WED. 

     TROPICAL STORM POSSIBLE FRI INTO SAT. 

.ANZ835...INNER WATERS FROM CAPE FEAR TO 31N...

     TROPICAL STORM POSSIBLE THU NIGHT INTO FRI NIGHT. 

.ANZ935...OUTER WATERS FROM CAPE FEAR TO 31N...

     TROPICAL STORM POSSIBLE FRI INTO FRI NIGHT. 



$$



.FORECASTER MUSONDA. OCEAN PREDICTION CENTER.

