East and Central North Pacific High Seas Forecast

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FZPN02 KWBC 240525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUN 24. 
24 HOUR FORECAST VALID 0000 UTC JUN 25. 
48 HOUR FORECAST VALID 0000 UTC JUN 26. 

.WARNINGS. 

...GALE WARNING... 
.LOW 51N145W 1003 MB MOVING E 15 KT. BETWEEN 150 NM AND 360 NM S 
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 17 FT. ELSEWHERE WITHIN 
300 NM N AND 420 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 11 
FT. 
.24 HOUR FORECAST LOW 50N136W 1008 MB. WITHIN 360 NM SW QUADRANT 
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 42N TO 53N 
BETWEEN 132W AND 145W WINDS TO 25 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST LOW 49N126W 1015 MB. WITHIN 480 NM SW AND W 
QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT. 

...GALE WARNING... 
.LOW 51N169E 995 MB MOVING NE 15 KT. FRONT EXTENDS FROM 51N177E 
TO 45N180W TO 37N177E. WITHIN 240 NM E OF THE FRONT WINDS 25 TO 
35 KT. SEAS 8 TO 13 FT. ELSEWHERE OVER FORECAST WATERS FROM 45N 
TO 55N BETWEEN 160E AND 177E...AND FROM 33N TO 53N BETWEEN 177E 
AND 174W WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST LOW 52N178E 999 MB WITH NEW SECOND LOW TO FORM 
51N171W 999 MB. FROM 38N TO 52N BETWEEN 160W AND 168W WINDS 25 
TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
50N170E TO 52N166W TO 38N170W TO 50N170E WINDS TO 25 KT. SEAS TO 
10 FT. 
.48 HOUR FORECAST LOW 54N172W 995 MB. FRONT TO EXTEND FROM 
52N158W TO 45N156W TO 40N160W. WITHIN 240 NM E AND SE OF THE 
FRONT WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 900 NM 
SE AND 480 NM S QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT. 

...GALE WARNING... 
.OVER FORECAST WATERS FROM 34N TO 43N BETWEEN 124W AND 128W AREA 
OF NW TO N WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 
32N TO 45N BETWEEN 123W AND 130W NW TO N WINDS 20 TO 30 KT. SEAS 
TO 12 FT. 
.24 HOUR FORECAST FROM 32N TO 45N BETWEEN 124W AND 133W AREA OF 
N WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST WITHIN 360 NM SE OF A LINE FROM 42N126W TO 
32N136W N TO NE WINDS 20 TO 30 KT. SEAS TO 12 FT. 

...GALE WARNING...
.12 HOUR FORECAST LOW W OF AREA 41N159E 1000 MB. OVER FORECAST 
WATERS WITHIN 300 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS TO 12 
FT.
.24 HOUR FORECAST LOW 42N167E 1002 MB. WITHIN 300 NM SE AND 420 
NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 
.48 HOUR FORECAST LOW 46N172W 1003 MB. WITHIN 360 NM SE AND 540 
NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT...HIGHEST S. 

.SYNOPSIS AND FORECAST. 

.LOW NW OF AREA 62N179W 1007 MB MOVING W 10 KT. OVER FORECAST 
WATERS WITHIN 180 NM E QUADRANT WINDS TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 

.48 HOUR FORECAST LOW 43N160E 1004 MB. OVER FORECAST WATERS 
WITHIN 360 NM S QUADRANT WINDS TO 25 KT. SEAS TO 9 FT. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM E OF A 
LINE FROM 47N135W TO 43N136W TO 39N139W...WITHIN 240 NM SE OF A 
LINE FROM 46N179W TO 40N178E TO 35N175E AND FROM 42N TO 45N 
BETWEEN 160E AND 169E. 
.24 HOUR FORECAST DENSE FOG FROM 36N TO 46N BETWEEN 165W AND 
170W...FROM 40N TO 44N BETWEEN 163E AND 173E AND WITHIN 60 NM OF 
36N162E. 
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM E AND SE OF A LINE 
FROM 50N156W TO 42N157W TO 36N169W...FROM 39N TO 47N BETWEEN 
168W AND 179E...FROM 34N TO 38N BETWEEN 176W AND 175E AND FROM 
42N TO 44N BETWEEN 160E AND 165E. 

.HIGH 44N130W 1026 MB DRIFTING NE. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.HIGH 40N158W 1034 MB MOVING E 15 KT. 
.24 HOUR FORECAST HIGH 40N150W 1033 MB. 
.48 HOUR FORECAST HIGH 41N142W 1033 MB. 

.HIGH 36N166E 1018 MB MOVING E 25 KT. 
.24 HOUR FORECAST HIGH 37N179E 1019 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 

.48 HOUR FORECAST NEW HIGH 50N165E 1012 MB. 

.48 HOUR FORECAST NEW HIGH 31N171E 1021 MB.

.FORECASTER HUFFMAN. 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 0000 UTC SUN JUN 24.
24 HOUR FORECAST VALID 0000 UTC MON JUN 25.
48 HOUR FORECAST VALID 0000 UTC TUE JUN 26.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FIVE-E NEAR 14.3N 115.7W 1007 MB AT 0300 
UTC JUN 24 MOVING N OR 355 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT. ELSEWHERE WITHIN 120 NM SE SEMICIRCLE OF LOW 
SE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM FIVE-E NEAR 17.4N 116.3W.
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 16 FT. 
ELSEWHERE WITHIN 60 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.
.48 HOUR FORECAST TROPICAL STORM FIVE-E NEAR 19.5N 118.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 20 NM NW AND SE QUADRANTS...30 NM NE QUADRANT AND 0 
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM E SEMICIRCLE 
OF STORM CENTER WITH SEAS TO 13 FT. ELSEWHERE WITHIN 60 NM SE 
QUADRANT AND 90 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT.
.72 HOUR FORECAST TROPICAL DEPRESSION FIVE-E NEAR 20.3N 121.3W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION FIVE-E NEAR 20.3N 121.3W.
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION FIVE-E NEAR 20.3N 121.3W.
MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT.

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.

.S OF 01S BETWEEN 107W AND 117W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN S TO SW SWELL. ELSEWHERE FROM 04N TO 09N BETWEEN 91W AND 
105W WINDS 20 KT OR LESS. SEAS TO 8 FT.  
.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.

.GULF OF CALIFORNIA N OF 29N S TO SE WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.06 HOUR FORECAST GULF OF CALIFORNIA WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.12 HOUR FORECAST N OF 29N BETWEEN 123W AND 127W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN NW TO N SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST N OF 29N BETWEEN 127W AND 134W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN NW TO N SWELL.
.42 HOUR FORECAST N OF 28N BETWEEN 127W AND 135W NE WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST N OF 29N BETWEEN 128W AND 133W NE WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 26N BETWEEN 127W AND 138W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN N SWELL.

.24 HOUR FORECAST FROM 10.5N TO 11.5N E OF 87W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.30 HOUR FORECAST FROM 10.5N TO 12.5N E OF 88W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST FROM 09.5N TO 11.5N BETWEEN 87.5W AND 93.5W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED E AND SW SWELL.

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

CONVECTION VALID AT 0345 UTC SUN JUN 24...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

MONSOON TROUGH FROM 09N85W TO 10N93W TO LOW PRESSURE NEAR 
13N107W 1010 MB TO LOW PRESSURE NEAR 14N115W 1007 MB TO 10N124W. 
ITCZ FROM 10N124W TO 12N139W. NUMEROUS MODERATE TO STRONG 
CONVECTION WITHIN 120 NM OF THE COAST OF PANAMA. SCATTERED 
MODERATE WITHIN 90 NM SOUTHERN COAST OF COSTA RICA.
SCATTERED MODERATE CONVECTION FROM 04N TO 11N BETWEEN 86W AND 
100W...N OF 10N BETWEEN 97W AND 108W...FROM 08N TO 15N BETWEEN 
110W AND 120W AND FROM 01N TO 10N BETWEEN 130W AND 140W.

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC JUN 24 2018.
24 HOUR FORECAST VALID 0000 UTC JUN 25 2018.
48 HOUR FORECAST VALID 0000 UTC JUN 26 2018.

.WARNINGS. 

.NONE. 

.SYNOPSIS AND FORECAST. 

.COLD FRONT RAPIDLY APPROACHING FORECAST AREA FROM N. 
.24 HOUR FORECAST FRONT FROM 30N168E TO 28N164E TO 27N160E. 
.48 HOUR FORECAST FRONT DISSIPATED. 

.RIDGE FROM 30N176W TO 27N177E. 
.24 HOUR FORECAST RIDGE FROM 30N171W TO 27N177E. 
.48 HOUR FORECAST RIDGE FROM 30N171W TO 30N177E. 

.WINDS 20 KT OR LESS ENTIRE FORECAST AREA. 

.SEAS 8 FT OR LOWER ENTIRE FORECAST AREA. 

.TROPICAL WAVES ALONG 04N161W 08N160W 11N156W MOVING NW 10 KT 
AND ALSO ALONG 09N146W 12N145W 15N143W MOVING NW SLOWLY. 
SCATTERED MODERATE TSTMS FROM 13N TO 03N BETWEEN 165W AND 150W. 
ISOLATED MODERATE TSTMS FROM 18N TO 08N BETWEEN 150W AND 140W. 

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

$$ 

.FORECASTER BEDAL. HONOLULU HI.