East and Central North Pacific High Seas Forecast

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FZPN02 KWBC 241725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN JUN 24 2018

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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. 

SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION 
IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE). 

SECURITE 

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

SYNOPSIS VALID 1200 UTC JUN 24. 
24 HOUR FORECAST VALID 1200 UTC JUN 25. 
48 HOUR FORECAST VALID 1200 UTC JUN 26. 

.WARNINGS. 

...GALE WARNING... 
.LOW 51N141W 1003 MB MOVING E 15 KT. BETWEEN 120 NM AND 300 NM S 
AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 11 TO 16 FT. ELSEWHERE 
WITHIN 420 NM SE AND E AND 540 NM SW QUADRANTS AND BETWEEN 120 
NM AND 360 NM NW AND N QUADRANTS WINDS TO 25 KT. SEAS 8 TO 13 
FT...HIGHEST S OF LOW.
.24 HOUR FORECAST LOW 50N131W 1011 MB. WITHIN 300 NM S...480 NM 
SW AND 420 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND. FROM 49N TO 58N E OF 
138W AREA OF NW WINDS TO 25 KT. SEAS TO 8 FT. 

...GALE WARNING... 
.LOW 51N179W 997 MB MOVING E 10 KT THEN TURNING MORE N AFTER 12 
HOURS. FRONT EXTENDS FROM LOW TO 45N172W TO 40N173W TO 34N177E. 
WITHIN 120 NM E OF FRONT FROM 40N TO 45N WINDS 25 TO 35 KT. SEAS 
9 TO 13 FT. ELSEWHERE WITHIN 240 NM NE AND E SEMICIRCLES AND 
WITHIN 420 NM E OF FRONT S OF 49N WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 53N177W 994 MB WITH FRONT TO EXTEND FROM 
55N175W TO 53N162W TO 45N160W TO 36N169W. WITHIN 240 NM NE AND E 
OF FRONT N OF 51N AND WITHIN 360 NM E OF FRONT S OF 51N WINDS 20 
TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 54N171W 993 MB. FRONT TO EXTEND FROM 
58N170W TO 56N155W TO 48N149W TO 38N158W. FROM 40N TO 48N WITHIN 
	180 NM E OF FRONT WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. 
ELSEWHERE WITHIN 240 NM NE AND E OF FRONT N OF 50N AND WITHIN 
360 NM E OF FRONT S OF 50N WINDS TO 25 KT. SEAS TO 9 FT. 

...GALE WARNING... 
.LOW 41N159E 997 MB JUST W OF AREA MOVING NE 30 KT. OVER 
FORECAST WATERS WITHIN 240 NM S AND SE QUADRANTS WINDS 25 TO 35 
KT. SEAS 9 TO 15 FT. ELSEWHERE FROM 34N TO 43N W OF 165E WINDS 
TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW 44N175E 1003 MB. WITHIN 240 NM SE AND 480 
NM S QUADRANTS AND FROM 35N TO 40N W OF 171E WINDS 20 TO 30 KT. 
SEAS TO 11 FT. 
.48 HOUR FORECAST LOW 48N170W 1002 MB. WITHIN 420 NM S AND 300 
NM E QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT. 

.SYNOPSIS AND FORECAST. 

.OVER FORECAST WATERS FROM 32N TO 43N BETWEEN 124W AND 130W AREA 
OF NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST BETWEEN 124W AND A LINE FROM 43N125W TO 
30N141W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST LITTLE CHANGE.

.LOW 50N170E 997 MB MOVING E 15 KT. WITHIN 300 NM NW SEMICIRCLE 
AND 420 NM S QUADRANT WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW 
53N177W IN WARNINGS SECTION.

.48 HOUR FORECAST LOW 43N169E 1003 MB. WITHIN 240 NM S AND SW 
QUADRANTS AND OVER FORECAST WATERS FROM 36N TO 41N W OF 178E 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM E AND 
SE OF A LINE FROM 48N174W TO 40N175W TO 34N177E AND OVER 
FORECAST WATERS FROM 39N TO 44N W OF 170E. 
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM 
45N161W TO 40N163W TO 39N170W...WITHIN 240 NM SE OF A LINE FROM 
46N172W TO 45N177E TO 41N171E...FROM 33N TO 36N BETWEEN 176W AND 
175E AND FROM 42N TO 45N W OF 163E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM SE AND S OF A LINE 
FROM 49N149W TO 42N153W TO 39N165W...FROM 36N TO 47N BETWEEN 
165W AND 175W AND WITHIN 300 NM SW OF A LINE FROM 43N176E TO 
36N175W.

.HIGH 40N154W 1034 MB MOVING E 15 KT. 
.24 HOUR FORECAST HIGH 40N146W 1033 MB. 
.48 HOUR FORECAST HIGH 41N139W 1030 MB. 

.HIGH 31N161E 1019 MB MOVING SE 10 KT. 
.24 HOUR FORECAST HIGH 30N165E 1020 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 

.FORECASTER BANCROFT. 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 1200 UTC SUN JUN 24.
24 HOUR FORECAST VALID 1200 UTC MON JUN 25.
48 HOUR FORECAST VALID 1200 UTC TUE JUN 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM DANIEL NEAR 16.0N 115.9W 1006 MB AT 1500 UTC JUN 
24 MOVING N OR 350 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM E 
SEMICIRCLE AND 0 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 
120 NM E SEMICIRCLE...30 NM SW QUADRANT AND 0 NM NW QUADRANT 
WITH SEAS TO 13 FT. ELSEWHERE WITHIN 90 NM NE...120 NM SE...75 
NM SW AND 00 NM NW QUADRANTS WINDS 20 TO 33 KT. SEAS TO 9 FT. 
REMAINDER OF AREA WITHIN 300 NM SE SEMICIRCLE OF DANIEL WINDS 20 
KT OR LESS. SEAS TO 9 FT IN S SWELL.
.24 HOUR FORECAST TROPICAL STORM DANIEL NEAR 18.6N 117.4W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM E SEMICIRCLE AND 20 NM W SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 45 NM OF CENTER WITH SEAS TO 13 FT. 
ELSEWHERE FROM 17N TO 19N BETWEEN 115W AND 117W WINDS 20 TO 33 
KT. SEAS 9 TO 11 FT. REMAINDER AREA FROM 16N TO 19N BETWEEN 114W 
AND 117W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION DANIEL NEAR 20.0N 120.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER 
WITHIN 90 NM NW SEMICIRCLE OF CENTER. ELSEWHERE WITHIN 90 NM W 
SEMICIRCLE N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW DANIEL NEAR 20.5N 
123.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW DANIEL NEAR 20.0N 
127.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 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 00N TO 08N BETWEEN 79W AND 87W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN SW SWELL. S OF LINE FROM 11N90W TO 15N110W TO 08N123W 
TO 00N137W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW 
SWELL.  
.24 HOUR FORECAST S OF 01S BETWEEN 112W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN S TO SW SWELL.
.48 HOUR FORECAST S OF 01S BETWEEN 114W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN S TO SW SWELL.

.N OF 27N BETWEEN 121W AND 132W WINDS 20 KT OR LESS. SEAS TO 9 
FT IN NW TO N SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 127W AND 135W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.48 HOUR FORECAST NW OF LINE FROM 30N126W TO 25N132W TO 25N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.

.12 HOUR FORECAST GULF OF PAPAGAYO W TO 87W NE TO E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10.5N TO 12N E OF 90.5W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED E AND SW SWELL.
.30 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 1500 UTC SUN JUN 24...

.TROPICAL STORM DANIEL...SCATTERED TO NUMEROUS STRONG IN BANDS 
WITHIN 90 NM SE SEMICIRCLE. ELSEWHERE SCATTERED MODERATE TO 
STRONG WITHIN 120 NM SE AND 75 NM NW SEMICIRCLES.

.SURFACE TROUGH FROM 06N136W TO 14N134W SCATTERED MODERATE 
CONVECTION FROM 06N TO 11N BETWEEN 134W AND 140W.

.FROM 03N TO 06N BETWEEN 130W AND 135W SCATTERED MODERATE 
CONVECTION.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

MONSOON TROUGH FROM 10N75W TO 10.5N87W TO 10N95W TO LOW PRESSURE 
NEAR 15.5N105W 1010 MB TO 15N108W...THEN RESUMES NEAR 12N118W TO 
08N124W. THE ITCZ BEGINS NEAR 08N124W AND CONTINUES TO 09N132W. 
SCATTERED TO NUMEROUS MODERATE TO STRONG CONVECTION N OF 04N 
BETWEEN 78W AND 92W. SCATTERED MODERATE TO STRONG CONVECTION 
FROM 05.5N TO 12N BETWEEN 92W AND 103W...FROM 12N TO 19N BETWEEN 
96W AND 110W...FROM 06N TO 12N BETWEEN 117W AND 123W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1200 UTC JUN 24 2018.
24 HOUR FORECAST VALID 1200 UTC JUN 25 2018.
48 HOUR FORECAST VALID 1200 UTC JUN 26 2018.

.WARNINGS. 

.NONE. 

.SYNOPSIS AND FORECAST. 

.TROUGH 30N170E 25N165E NEARLY STATIONARY. 
.24 HOUR FORECAST TROUGH DISSIPATED. 

.24 HOUR FORECAST FRONT 30N171E 25N160E. 
.48 HOUR FORECAST FRONT DISSIPATED. 

.WINDS NE 20 TO 25 KT N OF 15N BETWEEN 165W AND 148W. 
.24 HOUR FORECAST WINDS NE 20 TO 25 KT N OF 20N E OF 165W. 
.48 HOUR FORECAST WINDS NE 20 TO 25 KT N OF 25N AND E OF 151W. 

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA. 

.SEAS 8 FT OR LOWER ENTIRE FORECAST AREA. 

.TROPICAL WAVES ALONG 06N162W 09N159W 11N155W MOVING NW 10 KT 
AND ALSO ALONG 07N147W 10N146W 13N144W MOVING NW SLOWLY. 
ISOLATED MODERATE TSTMS FROM 02N TO 14N E OF 158W. 

.OTHERWISE ISOLATED MODERATE TSTMS FROM 24N TO 06N BETWEEN 160E 
AND 170E. 

$$ 

.FORECASTER POWELL. HONOLULU HI.