Marine Interpretation Message
Issued by NWS

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000
AGPN40 KWNM 300854
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
154 AM PDT SAT APR 30 2016

.FORECAST DISCUSSION: MAJOR FEATURES/WINDS/SEAS/SIGNIFICANT
.WEATHER FOR THE NORTH PACIFIC N OF 30N AND E OF 150W.

THERE WAS AN HIGH RESOL ASCAT PASS FM 06Z WHICH HAD A SWATH ACRS
MUCH OF THE OFFSHR WTRS WITH THE EXCEPTION OF MOST OF THE SRN CA
WTRS. THERE WERE SVRL SPEED MAXES. WHERE DATA WAS AVLBL THE FIRST MAX
WAS OVR THE ERN AREAS OF THE NRN AND CNTRL CA WTRS WITH WINDS TO
35 KT. ANOTHER WIND MAX WAS OVR THE NERN AREAS OF THE WTRS WITH
WINDS TO 30 KT JUST NE OF THE OFFSHR WTRS.

HIGH PRES WAS SITU ALG OR JUST W OF THE WA/OR/NRN CA WTRS EARLY
THIS MRNG. ELSW ALG CA A COASTAL TROF WAS DVLPG WITH MDLS SMLR
WITH THE TROF INTENSIFYING OVR THE NRN AND CNTRL AREAS OF CA THRU
LATER THIS AFTN. THIS SCENARIO PERSISTS INTO EARLY TNGT...BEFORE
THE HIGH PRES AND COASTAL TROF BECOM WKR LATER TNGT INTO SUN.
LATER ON SUN NGT INTO EARLY MON A WK CD FNT APPROACHES THE
WTRS...THEN MOVS OVR THE NRN OFFSHR AREAS MON AND MON NGT...THEN
MOVS S OVR THE NRN AND CNTRL AREAS OF THE CA WTRS TUE AND TUE
NGT...AND OVR THE CNTRL AND SRN AREAS LATER WED AND WED NGT. THE
GFS/UKMET/ECMWF LOOK SMLR...ALTHO THE UKMET/ECMWF ARE STGR WITH
THE NLY SURGE OVR THE WTRS. PLAN TO CONT TO FAVOR THE ECMWF DURING
THIS PD OF TIME MAINLY DUE TO STGR WINDS.

SEAS...BOTH THE MULTIGRID WWIII AND ECMWF WAM ARE IN CLOSE AGRMT
INIT AND WL BLEND 50/50 THRU 00Z TUE...THEN FAVOR THE ECMWF WAM
WHICH HAS HIGHER SEAS THAN THE WWIII WITH NLY SURGE LATER MON NGT
THRU WED NGT.

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

.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
.PZZ820...INNER WATERS FROM POINT ST. GEORGE TO POINT ARENA...
     GALE TODAY INTO TONIGHT.
.PZZ920...OUTER WATERS FROM POINT ST. GEORGE TO POINT ARENA...
     GALE TODAY.
.PZZ825...INNER WATERS FROM POINT ARENA TO PIGEON POINT...
     GALE EARLY TODAY INTO TONIGHT.
.PZZ925...OUTER WATERS FROM POINT ARENA TO PIGEON POINT...
     GALE TODAY.
.PZZ830...INNER WATERS FROM PIGEON POINT TO POINT PIEDRAS BLANCAS...
     GALE EARLY TODAY.
.PZZ835...INNER WATERS FROM POINT PIEDRAS BLANCAS TO SANTA CRUZ ISLAND, CA...
     GALE EARLY TODAY.
.PZZ840...INNER WATERS FROM SANTA CRUZ ISLAND, CA TO SAN CLEMENTE ISLAND, CA...
     GALE EARLY TODAY.

$$

.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.



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