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NOAA>NWS>NCEP>OPC>Marine>Pacific>High Seas>East and Central North Pacific High Seas Forecast

East and Central North Pacific High Seas Forecast

[Printable Version]   [Alt Link/Previous Versions]
FZPN02 KWBC 271125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT MAY 27 2017

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY 
BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. 

SECURITE 

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 
TO 50N 160E 

SYNOPSIS VALID 0600 UTC MAY 27. 
24 HOUR FORECAST VALID 0600 UTC MAY 28. 
48 HOUR FORECAST VALID 0600 UTC MAY 29. 

.WARNINGS. 

...GALE WARNING... 
.COMPLEX LOW WITH FIRST CENTER 46N169W 1007 MB MOVING SE 20 KT 
AND SECOND CENTER 48N172E 1000 MB MOVING E 25 KT. WITHIN 360 NM 
S OF A LINE FROM FIRST CENTER TO 45N175W TO 47N178E TO SECOND 
CENTER WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 420 
NM SE OF A LINE FROM SECOND CENTER TO 45N166E TO 43N160E WINDS 
20 TO 30 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 46N171W 992 MB. WITHIN 660 NM S QUADRANT 
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 420 NM N 
AND NW SEMICIRCLES AND 240 NM S OF A LINE FROM 40N176W TO 
40N168E TO 38N160E WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST LOW 46N161W 986 MB. WITHIN 780 NM SE QUADRANT 
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 480 NM SW 
AND 420 NM N AND NE QUADRANTS AND 240 NM S OF A LINE FROM 
37N161W TO 38N177E WINDS 20 TO 30 KT. SEAS TO 11 FT. 

...GALE WARNING... 
.LOW 54N158W 1009 MB MOVING E 05 KT. WITHIN 120 NM E AND S OF A 
FRONT FROM 55N155W TO 53N155W TO 50N156W TO 48N161W WINDS 20 TO 
30 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 54N155W 1005 MB. N OF 58N BETWEEN 143W AND 
152W WINDS 25 TO 35 KT. SEAS TO 10 FT. ELSEWHERE WITHIN 540 NM 
NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW 57N158W 1006 MB. WINDS LESS THAN 25 KT. 
SEAS LESS THAN 8 FT. 

.SYNOPSIS AND FORECAST. 

.BOGOSLOF VOLCANO AT 54N168W IS IN A STATE OF UNREST. MARINERS 
TRAVELING IN THE VICINITY OF BOGOSLOF VOLCANO ARE URGED TO 
EXERCISE CAUTION. IF MARINERS ENCOUNTER ANY VOLCANIC 
ASH...REPORT THE OBSERVATION TO THE OCEAN PREDICTION CENTER BY 
CALLING 301-683-1520. 

.E OF A LINE FROM 48N130W TO 54N135W N WINDS TO 25 KT. SEAS TO 9 
FT. 
.24 HOUR FORECAST CONDITIONS DIMINISHED. 

.24 HOUR FORECAST LOW 54N174E 993 MB. WITHIN 240 NM SW 
SEMICIRCLE AND 240 NM E AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS 
TO 10 FT. 
.48 HOUR FORECAST LOW 51N180W 996 MB. WITHIN 300 NM SW AND N 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 39N167E 1003 MB. WITHIN 180 NM SE OF A 
LINE FROM LOW CENTER TO 36N160E WINDS 20 TO 30 KT. SEAS TO 9 FT. 


.48 HOUR FORECAST FROM 30N TO 40N BETWEEN 119W AND 125W NW WINDS 
TO 25 KT. SEAS TO 8 FT. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AREA 
BOUNDED BY A LINE FROM 34N160E TO 40N180W TO 43N167W TO 46N166W 
TO 50N178E TO 52N167E TO 47N169E TO 34N160E. 
.24 HOUR FORECAST DENSE FOG FROM 38N TO 46N BETWEEN 158W AND 
176W AND FROM 36N TO 43N W OF 174E.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 50N BETWEEN 132W AND 
142W...WITHIN 300 NM NE OF A LINE FROM 47N167W TO 38N152W...AND 
WITHIN 240 NM SW OF A LINE FROM 45N160E TO 38N171E.

.HIGH 51N139W 1026 MB MOVING N 15 KT. 
.24 HOUR FORECAST HIGH ABSORBED BY HIGH 59N138W. 

.HIGH 55N139W 1025 MB MOVING N 10 KT. 
.24 HOUR FORECAST HIGH 59N138W 1024 MB. 
.48 HOUR FORECAST HIGH 60N141W 1018 MB. 

.HIGH 34N176W 1028 MB MOVING SW 15 KT. 
.24 HOUR FORECAST HIGH 31N177E 1022 MB. 
.48 HOUR FORECAST HIGH S OF AREA. 

.HIGH 54N173W 1017 MB MOVING E 15 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.24 HOUR FORECAST NEW HIGH 32N131W 1023 MB. 
.48 HOUR FORECAST HIGH 31N132W 1025 MB. 

.24 HOUR FORECAST HIGH 45N161E 1014 MB. 
.48 HOUR FORECAST HIGH 42N172E 1012 MB. 

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC SAT MAY 27.
24 HOUR FORECAST VALID 0600 UTC SUN MAY 28.
48 HOUR FORECAST VALID 0600 UTC MON MAY 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.S OF 02S W OF 104W WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0900 UTC SAT MAY 27...

TROPICAL WAVE N OF 06N ALONG 94W...SCATTERED MODERATE ISOLATED 
STRONG WITHIN 75 NM E OF AXIS S OF 12N.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N83W TO 11N89W TO 10N95W TO 13N108W TO 
08N124W. ITCZ FROM 08N124W TO BEYOND 06N140W. SCATTERED MODERATE 
WITHIN 30 NM OF AXIS BETWEEN 107W AND 118W.

.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC MAY 27 2017.
24 HOUR FORECAST VALID 0600 UTC MAY 28 2017.
48 HOUR FORECAST VALID 0600 UTC MAY 29 2017.

.WARNINGS. 

.NONE. 

.SYNOPSIS AND FORECAST. 

.FRONT 30N144W 27N145W 25N148W MOVING NE SLOWLY. 
.24 HOUR FORECAST FRONT 30N142W 25N144W. 
.48 HOUR FORECAST FRONT DISSIPATED. 

.TROUGH 20N149W 15N150W MOVING W 10 KT. 
.24 HOUR FORECAST TROUGH 22N151W 16N154W. 
.48 HOUR FORECAST TROUGH 23N152W 19N156W. 

.TROUGH 21N163W 17N164W NEARLY STATIONARY. 
.24 HOUR FORECAST TROUGH 30N168W 19N166W. 
.48 HOUR FORECAST TROUGH 29N158W 18N169W. 

.ITCZ 07N140W 06N159W 07N155W 06N165W 07N170W 06N177W. ISOLATED 
MODERATE TSTMS WITHIN 90 NM OF ITCZ. 

.48 HOUR FORECAST NEW HIGH 28N177E 1018 MB. 

.NE WINDS 20 TO 25 KT FROM 23N TO 20N BETWEEN 165W AND 180W. 
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS. 

.SEAS 8 TO 9 FT BOUNDED BY 28N170E 27N175W 21N163W 19N177E 
28N170E. 
.24 HOUR FORECAST SEAS 8 FT FROM 22N TO 20N BETWEEN 178W AND 
178E. 
.48 HOUR FORECAST SEAS DIMINISHED TO LESS THAN 8 FT. 

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.ISOLATED TSTMS WITHIN 90 NM OF 10N154W AND BOUNDED BY 12N168W 
06N171E 07N161E. 

$$ 
.HONOLULU FORECASTER.


NOAA/ National Weather Service
National Centers for Environmental Prediction
NOAA Center for Weather and Climate Prediction (NCWCP)
Ocean Prediction Center
Mr. Darin Figurskey
Chief, Ocean Forecast Branch
NCWCP, W/NP41
5830 University Research Court
College Park, Maryland 20740-3818

Phone: 301-683-1520
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Page last modified:  Monday, July 25, 2016 12:55:46 UTC