FZPN01 KWBC 192150

HSFEP1



HIGH SEAS FORECAST

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC AUG 19. 

24 HOUR FORECAST VALID 1800 UTC AUG 20.

48 HOUR FORECAST VALID 1800 UTC AUG 21.



.WARNINGS.



...GALE WARNING...

.LOW 50N155W 1007 MB MOVING SE 15 KT. FROM 44N TO 53N BETWEEN

146W AND 167W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST LOW 50N148W 1006 MB. WITHIN 180 NM NW QUADRANT

AND WITHIN 180 NM N AND NW OF A LINE FROM LOW CENTER TO 52N145W

TO 50N142W TO 45N143W TO 42N144W WINDS 20 TO 30 KT. SEAS TO 2.5

M.

.30 HOUR FORECAST LOW 51N148W 1003 MB. WITHIN 120 NM N AND NW OF

A LINE FROM 52N149W TO 53N146W TO 52N142W TO 48N142W WINDS 25 TO

35 KT. SEAS TO 3 M.

.48 HOUR FORECAST LOW 50N149W 1003 MB. WITHIN 240 NM SW AND 360

NM NW QUADRANTS...AND WITHIN 240 NM NE AND E OF A FRONT FROM

53N149W TO 53N142W TO 50N139W TO 45N141W WINDS 20 TO 30 KT. SEAS

TO 3 M.



.SYNOPSIS AND FORECAST.



.FROM 33N TO 39N BETWEEN 119W AND 125W WINDS TO 25 KT. SEAS LESS

THAN 2.5 M.

.24 HOUR FORECAST FROM 31N TO 43N BETWEEN 120W AND 126W WINDS TO

25 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST S OF 46N BETWEEN 121W AND 128W WINDS 20 TO 30

KT. SEAS TO 2.5 M.



.LOW NW OF AREA NEAR 59N167E 1001 MB MOVING NE 25 KT. N OF 52N

BETWEEN 180W AND 172E WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.24 HOUR FORECAST LOW NW OF AREA NEAR 65N180E 1002 MB. N OF 59N W

OF 167W WINDS TO 25 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST LOW WELL N OF AREA. ASSOCIATED CONDITIONS

DIMINISHED.



.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 50N160E 999 MB. N

OF 41N W OF 170E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 50N

BETWEEN 148W AND 157W...AND N OF 43N BETWEEN 179E AND 167E.

.24 HOUR FORECAST DENSE FOG FROM 47N TO 52N BETWEEN 143W AND

145W...FROM 44N TO 53N BETWEEN 177W AND 165E...AND N OF 60N

BETWEEN 173W AND 175E.

.48 HOUR FORECAST DENSE FOG FROM 45N TO 56N E OF 172W.



.FORECASTER HYDE. OCEAN PREDICTION CENTER.



NWS 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 1800 UTC TUE AUG 19.

24 HOUR FORECAST VALID 1800 UTC WED AUG 20.

48 HOUR FORECAST VALID 1800 UTC THU AUG 21.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 02S94W TO 01S103W TO 01S120W TO 03.4S120W TO 03.4S93W TO

02S94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.

.24 HOUR FORECAST WITHIN 00N100W TO 01N115W TO 00N120W TO

03.4S120W TO 03.4S96W TO 00N100W WINDS 20 KT OR LESS. SEAS 2.5

TO 3.0 M IN SE TO S SWELL.

.48 HOUR FORECAST WITHIN 01S109W TO 01S120W TO 03.4S120W TO

03.4S103W TO 01S109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN

SE SWELL.



.WITHIN 09N109W TO 09N115W TO 08N116W TO 05N116W TO 04N112W TO

06N109W TO 09N109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S

SWELL.

.24 HOUR FORECAST WITHIN 09N104W TO 09N110W TO 06N112W TO

04N111W TO 03N104W TO 06N102W TO 09N104W WINDS 20 KT OR LESS.

SEAS 2.5 TO 3.0 M IN SE TO S SWELL.

.48 HOUR FORECAST WITHIN 09N104W TO 09N110W TO 06N112W TO

04N111W TO 03N104W TO 06N102W TO 09N104W WINDS 20 KT OR LESS.

SEAS 2.5 TO 3.0 M IN SE TO S SWELL.



.24 HOUR FORECAST WITHIN 09N128W TO 10N131W TO 05N136W TO

03N136W TO 03N131W TO 06N129W TO 09N128W WINDS 20 KT OR LESS.

SEAS 2.5 TO 3.0 M IN SE SWELL.

.48 HOUR FORECAST WITHIN 20N130W TO 20N140W TO 13N140W TO

14N131W TO 16N129W TO 20N130W 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.



CONVECTION VALID AT 2030 UTC TUE AUG 19...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N85W TO 11N108W TO 10N140W. SCATTERED 

MODERATE ISOLATED STRONG FROM 08N TO 13N BETWEEN 89W AND 

93W...FROM 07N TO 14N BETWEEN 100W AND 130W...AND FROM 10N TO 

13N BETWEEN 132W AND 140W.





.FORECASTER AL. NATIONAL HURRICANE CENTER.



$$