High Seas Forecast
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000
FZPN02 KWBC 241125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 24.
24 HOUR FORECAST VALID 0600 UTC SEP 25.
48 HOUR FORECAST VALID 0600 UTC SEP 26.

.WARNINGS.

...GALE WARNING...
.LOW 58N152W 993 MB MOVING NE 10 KT. OVER FORECAST WATERS WITHIN
300 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 60N147W 1007 MB. WITHIN 240 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 42N169W 1000 MB MOVING NE 15 KT. WITHIN 540 NM SE AND 420
NM NW SEMICIRCLES WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 46N160W 996 MB. WITHIN 720 NM SE...360 NM
NE...420 NM NW...AND 540 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS
8 TO 13 FT.
.48 HOUR FORECAST LOW 52N153W 994 MB. WITHIN 300 NM NW...480 NM
NE...720 NM SE...540 NM W...AND 960 NM S QUADRANTS WINDS 25 TO
35 KT. SEAS TO 12 FT.

...GALE WARNING...
.LOW 46N154W 1004 MB MOVING NE 25 KT. OVER FORECAST WATERS
WITHIN 420 NM S QUADRANT AND WITHIN 360 NM SE OF A FRONT FROM
LOW CENTER TO 51N137W TO 54N134W WINDS 20 TO 30 KT. SEAS TO 11
FT.
.12 HOUR FORECAST LOW 49N144W 1006 MB. WITHIN 420 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 52N134W 1008 MB. WITHIN 480 NM SE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.12 HOUR FORECAST LOW W OF AREA 37N158E 1002 MB. OVER FORECAST
WATERS WITHIN 420 NM E SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 10
FT.
.24 HOUR FORECAST LOW 37N162E 1000 MB. WITHIN 300 NM NE
SEMICIRCLE WINDS 35 TO 45 KT. SEAS 12 TO 18 FT. ELSEWHERE FROM
30N TO 43N W OF 174E WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 38N167E 1001 MB. WITHIN 300 NM N
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 12 TO 17 FT. ELSEWHERE FROM
30N TO 45N W OF 180W WINDS 20 TO 30 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 53.92N 168.03W IS CURRENTLY IN A HEIGHTENED
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.

.LOW INLAND NEAR 61N160W 994 MB MOVING SE 10 KT. OVER FORECAST
WATERS WITHIN 420 NM W SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 8
FT.
.24 HOUR FORECAST LOW 57N162W 1000 MB. WITHIN 360 NM NE AND N OF
A LINE FROM 54N164W TO 57N173W TO 62N174W WINDS 20 TO 30 KT.
SEAS TO 10 FT.
.48 HOUR FORECAST LOW 54N162W 1005 MB. WITHIN 240 NM NW AND W OF
A LINE FROM 64N161W TO 56N169W TO 50N166W WINDS TO 25 KT. SEAS
TO 8 FT.

.OVER FORECAST WATERS E OF A LINE FROM 44N129W TO 34N127W WINDS
TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST E OF A LINE FROM 43N129W TO 31N130W WINDS 20
TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST E OF A LINE FROM 41N128W TO 31N133W WINDS 20
TO 30 KT. SEAS 8 TO 14 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 360 NM NW OF
A LINE FROM 37N161W TO 46N141W.
.24 HOUR FORECAST DENSE FOG WITHIN 420 NM NW OF A LINE FROM
40N157W TO 47N134W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 54N BETWEEN 153W AND
135W.

.HIGH 40N136W 1026 MB MOVING S 10 KT.
.24 HOUR FORECAST HIGH 37N136W 1026 MB.
.48 HOUR FORECAST HIGH 39N135W 1026 MB.

.HIGH 52N173E 1021 MB MOVING S 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 47N163E 1025 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 48N172E 1026 MB.
.48 HOUR FORECAST HIGH 50N171E 1026 MB.

.24 HOUR FORECAST HIGH 54N145W 1016 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER SOMMERVILLE. 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 SUN SEP 24.
24 HOUR FORECAST VALID 0600 UTC MON SEP 25.
48 HOUR FORECAST VALID 0600 UTC TUE SEP 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM PILAR NEAR 19.1N 105.6W 1002 MB AT 0900 UTC SEP
24 MOVING NNW OR 335 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S
SEMICIRCLE...50 NM NE QUADRANT AND 70 NM NW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 60 NM N SEMICIRCLE AND 45 NM S SEMICIRCLE WITH
SEAS TO 14 FT. ELSEWHERE WITHIN 90 NM NE AND 150 NM SW
SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM PILAR NEAR 20.2N 105.9W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...30 NM SE QUADRANT...0 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
45 NM SW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 90 NM E
AND 120 NM W SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 10 FT.
ELSEWHERE E OF LINE FROM FROM 18.5N109W TO 22N109W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION PILAR NEAR 22.0N 106.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 60 NM N
QUADRANT WINDS 20 TO 33 KT. SEAS TO 10 FT. ELSEWHERE WITHIN 120
NM OF CENTER WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW PILAR NEAR 24.0N
107.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 13N BETWEEN 105W AND 110W SW TO W WINDS 20 TO 25
KT. SEAS 9 TO 10 FT. ELSEWHERE FROM 09N TO 14N BETWEEN 98W AND
116W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 09N TO 13N BETWEEN 101W AND 113W WINDS 20
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 09N TO 11N BETWEEN 105W AND 108W WINDS 20
KT OR LESS. SEAS 8 FT IN MIXED SWELL.

.LOW PRES NEAR 14N127W 1010 MB. WITHIN 300 NM S QUADRANT OF LOW
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES NEAR 14N126W 1008 MB. WITHIN 240 NM
OF CENTER WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES NEAR 14N123W 1008 MB. WITHIN 330 NM
SW AND 180 NM NE SEMICIRCLES OF LOW WINDS 20 TO 25 KT. SEAS 8 TO
10 FT.

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

CONVECTION VALID AT 0900 UTC SAT SEP 23...

.TROPICAL STORM PILAR...SCATTERED MODERATE ISOLATED STRONG
WITHIN 150 NM NW QUADRANT. SCATTERED MODERATE WITHIN 120 NM SE
QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N74W TO 11N90W TO 16N101W...THEN RESUMES
FROM NEAR 18N108W TO 12N118W TO LOW PRES 1010 MB NEAR 14N127W TO
12N135W TO BEYOND 12N140W. SCATTERED MODERATE ISOLATED STRONG
WITHIN 180 NM EITHER SIDE OF TROUGH AXIS BETWEEN 86W AND 100W.
SCATTERED MODERATE ALONG AND UP TO 120 NM SE OF TROUGH AXIS
BETWEEN 110W AND 117W.

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC SEP 24 2017.
24 HOUR FORECAST VALID 0600 UTC SEP 25 2017.
48 HOUR FORECAST VALID 0600 UTC SEP 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 1011 MB JUST E OF AREA MOVING W SLOWLY.
.24 HOUR FORECAST LOW 12N144W 1012 MB.
.48 HOUR FORECAST LOW 12N146W 1012 MB.

.FRONT FROM 30N180E TO 28N171E TO 30N163E MOVING ESE 10 KT.
.24 HOUR FORECAST FRONT FROM 30N173W TO 28N180E 27N175E.
.48 HOUR FORECAST FRONT FROM 30N170W TO 27N180W.

.TROUGH FROM 30N177W TO 27N178E.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST FRONT NEAR 30N160E.
.48 HOUR FORECAST FRONT 30N164E TO 29N160E.

.TROUGH FROM 14N165W TO 09N170E MOVING W 10 KT. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 14N168W TO 10N180E TO 07N168E.
.48 HOUR FORECAST TROUGH FROM 11N173E TO 08N160E.

.HIGH 28N160E 1018 MB MOVING E 10 KT. RIDGE FROM HIGH TO 26N180E
MOVING NE SLOWLY.
.24 HOUR FORECAST HIGH 27N170E 1017 MB.
.48 HOUR FORECAST HIGH 26N175E 1017 MB.

.RIDGE FROM 30N161W TO 26N179W MOVING SE SLOWLY.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER ENTIRE AREA.

.ISOLATED MODERATE TSTMS FROM 12N TO 16N W OF 165E...AND FROM
26N TO 28N BETWEEN 147W AND 151W.

.MONSOON TROUGH FROM 11N140W TO 11N152W.

$$

.FORECASTER MORRISION. HONOLULU HI.


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