451
FZPN02 KWBC 201125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN APR 20 2025

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC APR 20.
24 HOUR FORECAST VALID 0600 UTC APR 21.
48 HOUR FORECAST VALID 0600 UTC APR 22.

.WARNINGS.

...GALE WARNING...
.AREA FROM 39N TO 44N E OF 127W WINDS 25 TO 35 KT. SEAS TO 13 FT.
ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 46N124W TO
36N141W TO 34N139W TO 37N122W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST FROM 38N TO 43N E OF 126W WINDS 25 TO 35 KT.
SEAS TO 13 FT. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM
36N121W TO 32N126W TO 32N139W TO 37N139W TO 43N124W WINDS 20 TO
30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST FROM 38N TO 43N E OF 126W WINDS 25 TO 35 KT.
SEAS TO 13 FT. ELSEWHERE FROM 31N TO 44N BETWEEN 131W AND 121W
WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.30 HOUR FORECAST RAPIDLY INTENSIFYING LOW W OF AREA 41N156E 992
MB. FROM 33N TO 42N BETWEEN 160E AND 163E WINDS 30 TO 40 KT. SEAS
TO 12 FT.
.48 HOUR FORECAST LOW JUST W OF AREA 45N159E 974 MB. WITHIN 540
NM SE QUADRANT...FROM 31N TO 49N BETWEEN 165E AND 172E...AND FROM
49N TO 53N W OF 170E...WINDS 30 TO 45 KT. SEAS 8 TO 21
FT...HIGHEST WITHIN 360 NM SE QUADRANT OF LOW AND NEAR 41N167E.
ELSEWHERE AND EXCEPT WHERE NOTED ABOVE FROM 31N TO 49N BETWEEN
160E AND 170E WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

.SYNOPSIS AND FORECAST.

.WITHIN AN AREA BOUNDED BY A LINE FROM 50N128W TO 44N132W TO
48N148W TO 52N147W TO 52N131W TO 50N128W WINDS TO 25 KT. SEAS TO
11 FT.
.24 HOUR FORECAST BETWEEN A LINE FROM 49N131W TO 47N126W AND
VANCOUVER ISLAND WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 56N175W 1002 MB MOVING N 20 KT. FROM 41N TO THE ALEUTIAN
ISLANDS BETWEEN 178E AND 168W...AND FROM A LINE FROM 41N168W TO
49N158W TO THE ALEUTIAN ISLANDS BETWEEN 168W AND 158W...WINDS 20
TO 30 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW ABSORBED BY LOW NEAR 56N172E 1003 MB. AREA
BETWEEN A LINE FROM 48N169W TO 51N149W AND THE ALEUTIAN ISLANDS
WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW NW OF AREA 57N170E 998 MB. WITHIN 240 NM SW QUADRANT WINDS
TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 56N172E 1003 MB. WITHIN 240 NM SE AND S
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 14 FT.
.48 HOUR FORECAST FROM 53N TO 57N BETWEEN 176W AND 170W WINDS TO
25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST WITHIN 180 NM EITHER SIDE OF A LINE FROM
48N174W TO 52N162W WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM NE OF A LINE FROM
58N176W TO 56N170W TO 56N162W.
.24 HOUR FORECAST DENSE FOG N OF 58N W OF 171W...AND WITHIN 90 NM
EITHER SIDE OF A LINE FROM 48N164E TO 46N172E.
.48 HOUR FORECAST DENSE FOG N OF 55N BETWEEN 168W AND 164W...FROM
42N TO 49N BETWEEN 160E AND 168E...AND WITHIN 90 NM EITHER SIDE
OF A LINE FROM 51N164E TO 48N174E TO 48N179W.

.FORECASTER CONNELLY. 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 0600 UTC SUN APR 20.
24 HOUR FORECAST VALID 0600 UTC MON APR 21.
48 HOUR FORECAST VALID 0600 UTC TUE APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 12N86W TO 12N88W TO 11N89W TO 11N86W TO
12N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 11.5N86W TO 11.5N87.5W TO 11N87.5W TO
10.5N87W TO 10.5N86.5W TO 11N86W TO 11.5N86W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 11N89W TO
10N89W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.WITHIN 15N122W TO 19N140W TO 04N140W TO 08N132W TO 07N118W TO
10N116W TO 15N122W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E
SWELL.
.24 HOUR FORECAST WITHIN 10N121W TO 15N131W TO 17N140W TO
04N140W TO 06N125W TO 10N121W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN NE SWELL.
.48 HOUR FORECAST WITHIN 11N119W TO 10N130W TO 13N140W TO
05N140W TO 05N130W TO 11N119W WINDS 20 KT OR LESS. SEAS 8 FT IN E
SWELL.

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

CONVECTION VALID AT 0600 UTC SUN APR 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N77W TO 09N84W TO 06N108W. ITCZ FROM
06N108W TO BEYOND 02N140. SECOND ITCZ FROM 01S119W TO 07S140W.
MODERATE TO STRONG FROM 02N TO 09N E OF 85W. SCATTERED MODERATE
ISOLATED STRONG FROM 03N TO 10N BETWEEN 86W AND 127W.

.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC APR 20 2025.
24 HOUR FORECAST VALID 0600 UTC APR 21 2025.
48 HOUR FORECAST VALID 0600 UTC APR 22 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST NEW FRONT 30N164E 24N160E.

.48 HOUR FORECAST NEW TROUGH 30N168W 27N170W 23N173W. WINDS 20 TO
25 KT N OF 26N BETWEEN 169W AND 176W.

.NE WINDS 20 TO 25 KT E OF LINE 18N140W 18N148W 13N158W 06N170W
07N140W.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 12N TO 06N E OF 171W.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 15N TO 07N E OF 151W.

.SEAS 8 TO 10 FT E OF LINE 18N140W 19N148W 14N162W 09N174E 03N178E
02N145W 05N140W. SEAS 8 TO 9 FT FROM 26N TO 16N BETWEEN 177W AND
167E.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 16N TO 01N E OF 177W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 14N TO 03N E OF 178W.

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

.ITCZ 06N171E 05N165E 03N160E. ISOLATED MODERATE TSTMS WITHIN 120
NM OF ITCZ.


$$

.FORECASTER PIERCE. HONOLULU HI.