Marine Interpretation Message
Issued by NWS

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000
AGPN40 KWNM 210956
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
256 AM PDT THU AUG 21 2014

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


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PREVIOUS DISCUSSION...

SUMMARY...THE 06Z NCEP SFC ANALYSIS SHOWS LOW PRES CNTRD NW OF
THE PZ5 WTRS NEAR 51N137W WITH A WARM FRONT ENTERING PZ5 WTRS AND
A CDFNT TRAILING W OF LOW. HI PRES IS CNTRD W OF NRN CA NR 39N143W
WITH A WEAKENED RIDGE EXTENDING TO W OF PZ5 AREA. ASCAT-A AND B
PASSES FM 05Z-06Z RETURNED MOSTLY LIGHT WNDS WITH AN AREA OF
HIGHER WNDS 20 TO 25 KT IN NRN CA INNER WTRS...FAR SE PZ5 ZONE AND
ADJ CSTL WTRS. THESE CONDS ARE CLOSE TO A BLEND OF 00Z GFS 30M
WNDS WITH THE LOWER 10M WNDS. IN NEAR TERM RDG IS SUPPRESSED AS
THE LOW PRES MOVS INTO NE WA WTRS THU AFTN WHILE PUSHING THE
TRAILING WK CDFNT INTO PZ5 AREA...WITH THE LOW AND FNT DSIPTG THU
NIGHT. RDG REBUILDS W OF WTRS FRI INTO SAT NIGHT AND OTRW PERSISTS
INTO MON NIGHT. LOW PRES TROF NR CA CST STRENGTHENS FRI INTO MON.
AS RDG BLDS EXPECTING WNDS TO INCRS TO 30 KT PORTIONS OF INNER NRN
CA AND FAR SE OREGON ZONE AT TIMES LATE FRI INTO MON. NO HEADLINES
NEEDED THRU PERIOD.

MODELS...THE 00Z GLOBAL MDLS AND NAM ARE IN VRY GUD AGREEMNT THRU
THE FCST PRD...AND THE MDLS KEEP THE WINDS SUB-GALE OVER ALL OF
THE ZONES DURING THE FCST PRD. WILL USE THE REPRESENTATIVE GFS
BLENDED 10M/30M WNDS TO POPULATE THE WIND GRIDS THRU THE PRD. AM
NOT PLANNING TO MAKE ANY SIGNIF CHANGES TO THE CURRENT FCST TREND.

SEAS...INITIALIZING 7 TO 8 FT OR LESS ACRS AREA IN 06Z SEA STATE
ANAL WHICH IS CLOSE TO 00Z ENP WW3 AND 00Z ECMWF WAM. POPULATED
WITH 00Z ENP WW3 FOR SEA STATE GRIDS.

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

.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.


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