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North Pacific High Seas Forecast

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FZPN01 KWBC 241603
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
ISSUED BY NWS HONOLULU HI
1630 UTC MON JUN 24 2019 

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(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. 

.NONE. 

.SYNOPSIS AND FORECAST. 

.FROM 35N TO 41N BETWEEN 122W AND 128W WINDS 20 TO 30 KT. SEAS 8 TO 
12 FT. 
.24 HOUR FORECAST FROM 36N TO 40N BETWEEN 122W AND 126W WINDS TO 
25 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

.LOW 52N136W 1014 MB MOVING SE 10 KT. WITHIN 480 NM SW SEMICIRCLE 
WINDS TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW 47N135W 1010 MB. WITHIN 420 NM SW QUADRANT 
WINDS TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW 44N128W 1011 MB. WITHIN 420 NM W SEMICIRCLE 
WINDS TO 25 KT. SEAS TO 8 FT. 

.LOW 30N171W 1009 MB NEARLY STATIONARY NEXT 6 HOURS THEN WILL MOVE 
E. WITHIN 300 NM E AND NE OF A FRONT FROM 34N166W TO 32N163W TO 
30N161W WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW 31N166W 1006 MB. CONDITIONS DESCRIBED WITH LOW 
38N167W. 

.LOW 38N179E 1008 MB MOVING SE 10 KT. WITHIN 180 NM SE SEMICIRCLE 
AND 240 NM W AND NW QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW 35N175W 1005 MB. N OF 30N AND WITHIN 480 NM W 
AND SW QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW 32N173W 1005 MB. N OF 30N AND WITHIN 600 
NM W AND SW QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 

.LOW 54N178E 1000 MB MOVING NE 10 KT. WITHIN 480 NM NE AND 420 NM SW 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.24 HOUR FORECAST LOW 54N180W 998 MB. WITHIN 480 NM N AND NW AND 720 
NM E QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW 55N176E 997 MB. WITHIN 420 NM NW SEMICIRCLE 
WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW 41N172E 1004 MB. WITHIN 240 NM N AND 360 NM S 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW 38N178W 1003 MB. WITHIN 360 NM S AND SW 
QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST NEW LOW 38N167W 1006 MB. WITHIN 240 NM E AND NE OF 
A LINE FROM 39N164W TO 34N160W TO 30N159W WINDS 20 TO 30 KT. SEAS TO 
11 FT. 
.48 HOUR FORECAST LOW 48N169W 999 MB. WITHIN 480 NM NE QUADRANT AND 
360 NM E AND NE OF A LINE FROM LOW CENTER TO 41N160W TO 34N157W TO 
30N158W WINDS 20 TO 30 KT. SEAS TO 12 FT. 

.48 HOUR FORECAST LOW 37N162E 1008 MB. WITHIN 240 NM SW AND N 
SEMICIRCLES WINDS TO 25 KT. SEAS TO 9 FT. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 52N 
BETWEEN 162W AND 175W AND FROM 39N TO 44N W OF 164E. 
.24 HOUR FORECAST DENSE FOG FROM 40N TO 52N BETWEEN 162W AND 
175W AND FROM 41N TO 43N BETWEEN 170E AND 165E AND FROM 52N TO 
56N BETWEEN 175E AND 172E. 
.48 HOUR FORECAST DENSE FOG FROM 41N TO 53N BETWEEN 162W AND 
172W AND FROM 58N TO 62N BETWEEN 167W AND 173W. 

.HIGH 38N140W 1029 MB MOVING S 05 KT. 
.24 HOUR FORECAST HIGH 35N141W 1024 MB. 
.48 HOUR FORECAST HIGH 34N142W 1022 MB. 

.HIGH 46N155W 1030 MB DRIFTING NE. 
.24 HOUR FORECAST HIGH 47N152W 1025 MB. 
.48 HOUR FORECAST HIGH 50N149W 1027 MB. 

.HIGH 44N171E 1020 MB MOVING E 10 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.48 HOUR FORECAST HIGH 45N162E 1015 MB.

.FORECASTER BRENCHLEY. HONOLULU FORECAST OFFICE.

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 MON JUN 24.
24 HOUR FORECAST VALID 1200 UTC TUE JUN 25.
48 HOUR FORECAST VALID 1200 UTC WED JUN 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.06 HOUR FORECAST FROM FROM 10N TO 12N BETWEEN 98W AND 101W SW WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 09N TO 14N BETWEEN 97W 
AND 105W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.18 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N101W 1006 MB. WITHIN 150 NM SE SEMICIRCLE WINDS 20 TO 25 KT. SEAS 
9 TO 11 FT. ELSEWHERE WITHIN 240 NM SE AND 150 NM NW SEMICIRCLES OF 
LOW WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN S TO SW SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N102W 1006 MB. LITTLE CHANGE IN CONDITIONS.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16N108W 1004 MB. WITHIN 150 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS 
10 TO 13 FT. WITHIN 90 NM W SEMICIRCLE WINDS 20 TO 25 KT.
SEAS 8 TO 11 FT. ELSEWHERE WITHIN 210 NM SE AND 120 NM NW 
SEMICIRCLES OF LOW WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.

.18 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO 
11N88W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N88W TO 11N90W WINDS 
20 KT OR LESS. SEAS TO 8 FT IN DECAYING MIXED E AND SW SWELL.
.42 HOUR FORECAST FROM 10N TO 11.5N E OF 89W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.S OF LINE FROM 01S120W TO 03.4S104W WINDS 20 KT OR LESS. SEAS 8 TO 
9 FT IN SE TO S SWELL.
.24 HOUR FORECAST S OF LINE FROM 02S120W TO 03.4S104W WINDS 20 KT OR 
LESS. SEAS 8 FT IN SE TO S SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1445 UTC MON JUN 24...

.SCATTERED MODERATE ISOLATED STRONG FROM 11N TO 17N BETWEEN 98W AND 
103W.  

.TROPICAL WAVE FROM 14N135W TO 04N136W...SCATTERED MODERATE 
WITHIN 60 NM EITHER SIDE OF WAVE FROM 05N TO 09N. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXETNDS FROM LOW PRES NEAR 10N76W 1010 MB TO 07N80W 
TO 10N93W TO 11N104W TO 11N116W TO 10N132W. ITCZ EXTENDS FROM 
08N136W TO BEYOND 07N140W. SCATTERED MODERATE TO STRONG WITHIN 210 
NM S OF TROUGH BETWEEN 78W AND 81W AND WITHIN 180 NM S OF TROUGH 
BETWEEN 87W AND 90W. SCATTERED MODERATE ISOLATED STRONG WITHIN 240 
NM S OF TROUGH BETWEEN 97W AND 100W AND WITHIN 180 NM S OF TROUGH 
BETWEEN 127W AND 132W. SCATTERED MODERATE WITHIN 240 NM S OF TROUGH 
BETWEEN 90W AND 94W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.