FZPN01 KWBC 190942

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 UTC TUE AUG 19 2025 



SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 



FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 

THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). 



SECURITE 



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

TO 50N 160E 



ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS 



SYNOPSIS VALID 0600 UTC AUG 19. 

24 HOUR FORECAST VALID 0600 UTC AUG 20. 

48 HOUR FORECAST VALID 0600 UTC AUG 21. 



.WARNINGS. 



.NONE. 



.SYNOPSIS AND FORECAST. 



.FROM 32N TO 39N BETWEEN 119W AND 125W WINDS TO 25 KT. SEAS LESS 

THAN 2.5 M. 

.24 HOUR FORECAST FROM 31N TO 41N BETWEEN 119W AND 125W WINDS TO 

25 KT. SEAS LESS THAN 2.5 M. 

.48 HOUR FORECAST S OF 45N BETWEEN 119W AND 127W WINDS 20 TO 30 

KT. SEAS TO 3 M. 



.LOW 52N168E 1005 MB MOVING NE 25 KT. N OF 50N BETWEEN 175E AND 

168E WINDS TO 25 KT. SEAS TO 2.5 M. 

.24 HOUR FORECAST LOW 61N174E 1004 MB. N OF 57N W OF 174W WINDS 

TO 25 KT. SEAS TO 2.5 M. 

.48 HOUR FORECAST LOW WELL N OF AREA. N OF 61N W OF ALASKA WINDS 

TO 25 KT. SEAS LESS THAN 2.5 M. 



.COMPLEX LOW WITH MEAN CENTER 52N159W 1006 MB MOVING SE 15 KT. 

FROM 44N TO 55N BETWEEN 154W AND 172W WINDS TO 25 KT. SEAS TO 

2.5 M. 

.24 HOUR FORECAST LOW 51N152W 1008 MB. FROM 43N TO 53N BETWEEN 

141W AND 150W WINDS TO 25 KT. SEAS TO 2.5 M. 

.48 HOUR FORECAST LOW 51N149W 1004 MB. WITHIN 120 NM N AND NW OF 

A LINE FROM 54N142W TO 54N149W TO LOW CENTER...FROM 46N TO 55N 

BETWEEN 136W AND 142W WINDS 20 TO 30 KT. SEAS TO 3 M. 



.48 HOUR FORECAST COMPLEX LOW W OF AREA WITH MEAN CENTER 45N154E 

1001 MB. FROM 43N TO 49N W OF 164E WINDS 20 TO 30 KT. SEAS TO 

2.5 M. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 52N 

BETWEEN 153W AND 164W...AND N OF 44N BETWEEN 171E AND 166E. 

.24 HOUR FORECAST DENSE FOG WITHIN 90 NM SE OF A LINE FROM 

50N147W TO 47N149W...AND FROM 43N TO 48N BETWEEN 179E AND 

165E...AND N OF 49N BETWEEN 179W AND 175E. 

.48 HOUR FORECAST DENSE FOG FROM 45N TO 54N BETWEEN 177W AND 

167E...AND N OF 48N W OF 164E. 



.FORECASTER POCHE. 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 TUE AUG 19.

24 HOUR FORECAST VALID 0600 UTC WED AUG 20.

48 HOUR FORECAST VALID 0600 UTC THU AUG 21.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 02S95W TO 01S103W TO 01S111W TO 03.4S120W TO 03.4S93W TO

02S95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

.24 HOUR FORECAST WITHIN 01S104W TO 00N110W TO 00N120W TO 

03.4S120W TO 03.4S96W TO 01S104W WINDS 20 KT OR LESS. SEAS 2.5 TO

3.0 M IN SE TO S SWELL. 

.48 HOUR FORECAST LITTLE CHANGE.



.WITHIN 07N109W TO 07N114W TO 04N114W TO 05N109W TO 07N109W

WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

.24 HOUR FORECAST WITHIN 06N104W TO 08N122W TO 04N122W TO

04N119W TO 05N105W TO 06N104W WINDS 20 KT OR LESS. SEAS 2.5 TO

3.0 M IN SE TO S SWELL.

.48 HOUR FORECAST WITHIN 08N104W TO 08N118W TO 02N111W TO

08N104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.



.36 HOUR FORECAST WITHIN 17N132W TO 17N135W TO 16N136W TO

15N132W TO 17N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE

SWELL.

.48 HOUR FORECAST WITHIN 18N131W TO 18N135W TO 18N139W TO

15N138W TO 15N132W TO 18N131W WINDS 20 KT OR LESS. SEAS 2.5 TO

3.0 M IN NE TO E SWELL.



.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.



CONVECTIONVALID AT 0930 UTC TUE AUG 19...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N84W TO 11N90W TO 09N100W TO 12N135W TO 

10N140W. SCATTERED MODERATE CONVECTION N OF 10N BETWEEN 85W AND 

90W, FROM 10N TO 13N BETWEEN 95W AND 110W...AND FROM 17N TO 19N 

BETWEEN 104W AND 108W. NUMEROUS MODERATE TO ISOLATED STRONG 

CONVECTION N OF 13N BETWEEN 93W AND 98W.



$$

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.