Marine Interpretation Message
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000
AGNT40 KWNM 300719
MIMATN

MARINE WEATHER DISCUSSION FOR N ATLANTIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
219 AM EST FRI JAN 30 2015

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

A WK HIGH PRES RDG IS OVR THE OFFSHR WTRS EARLY THIS MRNG AND A
CD FNT WAS APPROACHING MID ATLC WTRS. THERE WAS AN ASCAT PASS AT
0130Z WHICH COVERED THE MID ATLC WTRS BETWEEN 70W AND 76W. WINDS
WERE LGT AT THAT TIME INADVOF FNT WITH WINDS TO 20 KT ALG THE NRN
AREAS OF THE PASS. THE CD FNT MOVS OFFSHR BY 7 AM THIS MRNG. A
DVLPG TRIPLE PT LOW DVLPS ON THE FNT AND MOVS NR LONG ISLD EARLY
THIS MRNG AND THEN MOVS NE ACRS THE NEW ENGLAND WTRS TDA...AND
THEN SLOWS AND INTENSIFIES JUST E OF THE GLF OF ME EARLY SAT. MDL
GUID RMNS SMLR TO EARLIER GUID WITH GALES DVLPG INADVOF CD FNT OVR
THE MID ATLC WTRS BY EARLY THIS AFTN. THE CD FNT QUICKLY PASSES E
OF THE AREA BY EARLY TNGT. STG CAA OCCURS LATER THIS AFTN INTO
TNGT ACRS THE MID ATLC INTO THE NEW ENGLAND WTRS WITH WINDS TO 40
KT. THERE IS A PTNL FOR STORM FORCE WINDS TO DVLP OVR THE ERN GLF
OF ME AS THE DVLPG LOW STRENGTHENS JUST E OF THIS AREA SAT. ATTM
WL CONT TO STAY WITH WINDS TO 45 KT. GALES END OVR MOST AREAS ON
SAT NGT...BUT LINGER OVR THE ERN AREAS OF THE NEW ENGLAND WTRS AND
NRN MID ATLC EARLY SUN. A WK HIGH PRES MOVS E ACRS THE WTRS SUN
INADVOF NEXT DVLPG LOW PRES SUN NGT. THE GFS IS SMLR ON THE TRACK
TO 18Z...PERHAPS SLGTLY FURTHER NWD ON THE TRACK...BUT IT RMNS
CONSISTENT WITH STRENGTHENING THE LOW AS MOVS NE ACRS THE NRN MID
ATLC WTRS MON. THE UKMET CONTS TO RMN FURTHER N WITH THE LOW MOVG
NE FM THE NEW ENGLAND COAST AND TRACKING OVR THE NEW ENGLAND WTRS
AND STRENGTHENING OVR THIS REGION. THE GEM CONTS TO BE FURTHER S
WITH THE TRACK AND MOVS NE FM THE OUTER BANKS OF NC. THE 00Z
ECMWF HAS A SMLR TRACK AND PSN TO THE GFS INIT...ALTHO LATER ON
MON IT IS SOMEWHAT SLOWER. PLAN TO CONT TO USE THE GFS
GUID...ALTHO WL NOT GO AS STG WITH WINDS TO GALE FORCE MAINLY DUE
TO DIFFS ON THE STRENGTH AND TRACK BETWEEN MDL GUID.

.SEAS...THE 00Z MULTOGRID WWIII AND ECMWF ARE SMLR INTO EARLY
TNGT AND WL USE A 50/50 BLEND. BY LATER TNGT THE ECMWF WAM BECOMS
HIGHER THAN WWIII AND WL BLEND 70/30 THRU 12Z SUN...THEN USE A
50/50 BLEND SUN INTO MON MRNG. ON MON WITH THE DIFFS WITH THE PSN
OF THE LOW PRES AND THE WKR SLN OFFERED BY ECMWF PLAN TO FAVOR THE
ECMWF MORE THAN WWIII...ALTHO CONFDC IS NOT HIGH WITH THESE
ADJSTMTS.

.EXTRATROPICAL STORM SURGE GUIDANCE...THE ESTOFS IS MORE
PRONOUNCED THAN ETSS WITH A NEG SURGE ALONG THE MID ATLC COAST
LATER TDA INTO TNGT WITH GREATEST VALUES ALG THE NJ COAST TOWARDS
LONG ISLD WITH SURGE VALUES OF 2 TO 3 FT OVR NRN AREAS SAT. THESE
VALUES DMNSH SAT NGT INTO SUN. GFS MDL GUID CONTS TO BE FAVORED
OVR THIS TIME PD.

.WARNINGS...PRELIMINARY.

.NT1 NEW ENGLAND WATERS...
.ANZ800...GULF OF MAINE...
     GALE TONIGHT INTO SAT NIGHT.
     GALE POSSIBLE SUN.
     GALE POSSIBLE MON INTO MON NIGHT.
.ANZ805...GEORGES BANK WEST OF 68W...
     GALE TONIGHT INTO SAT NIGHT.
     GALE POSSIBLE MON INTO MON NIGHT.
.ANZ900...GEORGES BANK EAST OF 68W...
     GALE SAT INTO SAT NIGHT.
     GALE POSSIBLE MON INTO MON NIGHT.
.ANZ810...SOUTH OF NEW ENGLAND...
     GALE TONIGHT INTO SAT NIGHT.
     GALE POSSIBLE MON INTO MON NIGHT.
.ANZ815...SOUTH OF LONG ISLAND...
     GALE TODAY INTO SAT NIGHT.
     GALE POSSIBLE MON INTO MON NIGHT.

.NT2 MID ATLC WATERS...
.ANZ820...HUDSON CANYON TO BALTIMORE CANYON...
     GALE TODAY INTO SAT NIGHT.
     GALE POSSIBLE MON INTO MON NIGHT.
.ANZ915...HUDSON CANYON TO THE GREAT SOUTH CHANNEL...
     GALE TONIGHT INTO SAT NIGHT.
     GALE POSSIBLE MON NIGHT.
.ANZ920...BALTIMORE CANYON TO THE GREAT SOUTH CHANNEL...
     GALE TODAY INTO SAT NIGHT.
     GALE POSSIBLE SUN NIGHT INTO MON NIGHT.
.ANZ905...THE GREAT SOUTH CHANNEL TO THE HAGUE LINE...
     GALE TONIGHT INTO SAT NIGHT.
     GALE POSSIBLE SUN.
     GALE POSSIBLE MON INTO MON NIGHT.
.ANZ910...EAST OF THE GREAT SOUTH CHANNEL AND SOUTH OF 39N...
     GALE TODAY INTO SAT NIGHT.
     GALE POSSIBLE MON INTO MON NIGHT.
.ANZ825...INNER WATERS FROM BALTIMORE CANYON TO CAPE CHARLES LIGHT...
     GALE TODAY INTO SAT.
     GALE POSSIBLE SUN NIGHT INTO MON NIGHT.
.ANZ828...INNER WATERS FROM CAPE CHARLES LIGHT TO CURRITUCK BEACH LIGHT...
     GALE TODAY INTO SAT.
     GALE POSSIBLE MON INTO MON NIGHT.
.ANZ925...OUTER WATERS FROM BALTIMORE CANYON TO HATTERAS CANYON...
     GALE TODAY INTO SAT NIGHT.
     GALE POSSIBLE SUN NIGHT INTO MON NIGHT.
.ANZ830...INNER WATERS FROM CURRITUCK BEACH LIGHT TO CAPE HATTERAS...
     GALE TONIGHT INTO SAT.
     GALE POSSIBLE SUN NIGHT INTO MON NIGHT.
.ANZ833...INNER WATERS FROM CAPE HATTERAS TO CAPE FEAR...
     GALE TODAY INTO TONIGHT.
     GALE POSSIBLE SUN NIGHT INTO MON.
.ANZ930...OUTER WATERS FROM HATTERAS CANYON TO CAPE FEAR...
     GALE TODAY INTO SAT.
     GALE POSSIBLE SUN NIGHT INTO MON NIGHT.
.ANZ835...INNER WATERS FROM CAPE FEAR TO 31N...
     GALE TODAY INTO TONIGHT.
     GALE POSSIBLE SUN NIGHT INTO MON.
.ANZ935...OUTER WATERS FROM CAPE FEAR TO 31N...
     GALE TODAY INTO TONIGHT.
     GALE POSSIBLE MON INTO MON NIGHT.

$$

.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.


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