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High Seas Forecast (North Pacific)



000
FZPN01 KWBC 251609
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1630 UTC WED SEP 25 2013 

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC SEP 25. 
24 HOUR FORECAST VALID 1200 UTC SEP 26. 
48 HOUR FORECAST VALID 1200 UTC SEP 27. 

.WARNINGS. 

...STORM WARNING... 
.24 HOUR FORECAST LOW 56N179E 994 MB WITH A FRONT FROM CENTER TO 
46N160E. WITHIN 660 NM S QUADRANT AND ELSEWHERE WITHIN 360 NM S 
AND SE OF THE FRONT WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. 
.48 HOUR FORECAST LOW 58N159W 971 MB. WITHIN 240 NM SW AND S 
QUADRANTS AND WITHIN 240 NM E AND SE OF A FRONT FROM 51N151W TO 
50N158W WINDS 40 TO 50 KT. SEAS 15 TO 25 FT. ELSEWHERE WITHIN 
840 NM S AND 360 NM N SEMICIRCLES WINDS 25 TO 40 KT. SEAS 8 TO 
17 FT. 
...STORM WARNING... 
.48 HOUR FORECAST POST-TROPICAL PABUK W OF FORECAST AREA NEAR 
44N158E 987 MB. OVER FORECAST WATERS WITHIN 180 NM SE QUADRANT 
WINDS 35 TO 50 KT. SEAS 18 TO 28 FT. ELSEWHERE FROM 39N TO 50N W 
OF 174E WINDS 25 TO 35 KT. SEAS 10 TO 19 FT.

...GALE WARNING... 
.LOW 57N166W 976 MB MOVING E 20 KT. OVER FORECAST WATERS WITHIN 
660 NM SE SEMICIRCLE AND WITHIN 420 NM NW AND W QUADRANTS WINDS 
25 TO 40 KT. SEAS 12 TO 22 FT...HIGHEST OVER S QUADRANT. 
.24 HOUR FORECAST LOW 58N150W 998 MB. WITHIN 540 NM S AND 360 NM 
W QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH 
LOW 58N159W NOTED ABOVE. 

...GALE WARNING... 
.LOW NW OF FORECAST AREA NEAR 57N166E 998 MB MOVING NE 15 KT. 
OVER FORECAST WATERS N OF A LINE FROM 43N160E TO 47N174E WINDS 
25 TO 35 KT. SEAS 8 TO 13 FT. 
.24 HOUR FORECAST LOW 60N175E 989 MB. BETWEEN 180 NM AND 420 NM 
E QUADRANT WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW ABSORBED BY LOW 58N159W NOTED ABOVE. 

...GALE WARNING... 
.FROM 30N TO 38N BETWEEN 119W AND 126W AREA OF N TO NW WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST FROM 33N TO 39N BETWEEN 120W AND 125W N TO NW 
WINDS 25 TO 35 KT. SEAS 11 TO 16 FT. ELSEWHERE FROM 30N TO 42N 
BETWEEN 118W AND 129W N TO NW WINDS TO 25 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST FROM 31N TO 41N BETWEEN 120W AND 128W N TO NW 
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

...GALE WARNING... 
.OVER FORECAST WATERS W OF A LINE FROM 30N176E TO 38N174W AREA 
OF WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.12 HOUR FORECAST FROM 30N TO 37N BETWEEN 165E AND 179E WINDS 25 
TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST FROM 30N TO 36N BETWEEN 164E AND 176E WINDS 25 
TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE W OF A LINE FROM 30N169W TO 
40N157W WINDS TO 25 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST W OF A LINE FROM 30N168W TO 38N159W TO 176E 
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

.SYNOPSIS AND FORECAST. 

.FROM 38N TO 50N BETWEEN 126W AND 135W AREA OF N TO NW WINDS TO 
25 KT. SEAS 10 TO 14 FT. 
.24 HOUR FORECAST FROM 39N TO 49N E OF 130W N TO NW WINDS TO 25 
KT. SEAS TO 10 FT. 
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 59N 
BETWEEN 143W AND 155W AND OVER FORECAST WATERS N OF 46N AND W OF 
174E. 
.24 HOUR FORECAST DENSE FOG FROM 44N TO 54N BETWEEN 135W AND 
144W AND WITHIN 360 NM S AND SE OF A LINE FROM 57N176W TO 
50N167E TO 47N160E. 
.48 HOUR FORECAST DENSE FOG WITHIN 540 NM S AND SE OF A LINE 
FROM 52N177W TO 47N160E. 

.HIGH 39N149W 1031 MB NEARLY STATIONARY. 
.24 HOUR FORECAST HIGH 40N145W 1028 MB. 
.48 HOUR FORECAST HIGH 38N138W 1027 MB. 

.HIGH 41N177E 1032 MB MOVING E 30 KT. 
.24 HOUR FORECAST HIGH 42N174W 1036 MB. 
.48 HOUR FORECAST HIGH 41N172W 1034 MB. 

.FORECASTER VUKITS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W. 

SYNOPSIS VALID 1200 UTC WED SEP 25.
24 HOUR FORECAST VALID 1200 UTC THU SEP 26.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST. 

.NW OF A LINE FROM 29N115W TO 23N125W TO 21N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL...EXCEPT 10 TO 11 FT N OF 26N 
BETWEEN 120W AND 130W.
.24 HOUR FORECAST N OF 29N BETWEEN 118W AND 125W NW TO N WINDS 
20 TO 25 KT. SEAS 10 TO 12 FT IN NW SWELL. ELSEWHERE N OF A LINE 
FROM 30N116W TO 15N120W TO 22N135W TO 27N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL...HIGHEST N OF 26N E OF 125W.
.48 HOUR FORECAST WITHIN AN AREA BOUNDED BY A LINE FROM 30N117W 
TO 10N115W TO 07N127W TO 30N130W TO 30N117W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL...HIGHEST N OF 27N BETWEEN 118W AND 
126W.

.LOW PRES NEAR 14N123W 1009 MB DRIFTING NE. WITHIN 120 NM NW 
QUADRANT WINDS 20 TO 25 KT. SEAS TO 9 FT. WITHIN 120 SE QUADRANT 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN MERGING SE AND NW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 14N121W 1008 MB. WITHIN 120 NM 
SE SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 FT IN PRIMARILY NW 
SWELL.
.48 HOUR FORECAST LOW PRES DISSIPATED. CONDITIONS MERGE WITH 
AREA 
ABOVE.

.S OF A LINE FROM 00N110W TO 05N125W TO 05N140W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SE AND NW SWELL.
.24 HOUR FORECAST S OF A LINE FROM 00N110W TO 06N125W TO 04N140W 
WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN SE SWELL.
.48 HOUR FORECAST S OF 07N BETWEEN 115W AND 130W. WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MERGING SE AND NW SWELL.

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

CONVECTION VALID 1430 UTC WED SEP 25...

.LOW PRES NEAR 15N98W 1007 MB...SCATTERED STRONG N OF 14N 
BETWEEN 101W AND 104W...AND ELSEWHERE WITHIN 90 NM OF THE COAST 
OF MEXICO BETWEEN 104W AND 107W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...             
MONSOON TROUGH AXIS FROM 08N82W TO LOW PRES NEAR 15N98W 1007 MB 
TO LOW PRES NEAR 13N115W 1010 MB TO LOW PRES NEAR 14N123W 1009 
MB TO 09N140W. SCATTERED MODERATE TO STRONG WITHIN 150 NM N OF 
MONSOON TROUGH BETWEEN 82W AND 89W. 

$$
.FORECASTER COBB. NATIONAL HURRICANE CENTER.