HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT APR 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 26.
24 HOUR FORECAST VALID 0000 UTC APR 27.
48 HOUR FORECAST VALID 0000 UTC APR 28.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER W OF AREA 41N158E 1004 MB MOVING
NE
15 KT. WITHIN 180 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 10
FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 45N165E 1000 MB
AND SECOND CENTER JUST W OF AREA 37N159E 1007 MB. FROM 34N TO
48N
W OF 173E WINDS TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 45N167E 998 MB
AND SECOND CENTER 39N164E 1004 MB. WITHIN 180 NM SW AND W
QUADRANTS OF SECOND CENTER WINDS 25 TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 48N171E 980 MB. WITHIN 300 NM NE AND 240
NM
S SEMICIRCLES WINDS 35 TO 45 KT. SEAS 9 TO 17 FT. ELSEWHERE FROM
37N TO 54N W OF 170W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.SYNOPSIS AND FORECAST.
.LOW 36N126W 1013 MB MOVING E 20 KT. WITHIN 420 NM SW AND 480 NM
NW QUADRANTS...AND FROM 42N TO 52N E OF 132W WINDS 20 TO 30 KT.
SEAS TO 12 FT...HIGHEST W AND SW OF CENTER.
.24 HOUR FORECAST LOW DISSIPATED INLAND. FROM 32N TO 51N E OF
131W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 33N TO 51N E OF 128W AREA OF N TO NW WINDS
TO 25 KT. SEAS TO 10 FT.
.LOW 54N169W 995 MB MOVING NE 05 KT. WITHIN 420 NM SE...AND 600
NM S AND SW QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 57N166W 997 MB. FROM 54N TO 60N BETWEEN
135W AND 176E WINDS TO 25 KT. SEAS TO 11 FT...HIGHEST IN W BERING
SEA.
.48 HOUR FORECAST LOW 59N168W 996 MB. WITHIN 300 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 10 FT.
.LOW 57N176W 997 MB DRIFTING SE THEN DISSIPATING. WITHIN 420 NM W
AND NW SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 57N166W ABOVE.
.LOW 30N166W 1012 MB MOVING NE 15 KT. S OF 45N BETWEEN 150W AND
161W WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED AND NEW LOW TO FORM NEAR 46N155W
1006 MB. WITHIN 420 NM SE OF A LINE FROM 50N150W TO 30N160W WINDS
20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 54N145W 998 MB. FROM 50N TO 60N BETWEEN
134W AND 154W...AND WITHIN 420 NM SE OF A LINE FROM 50N145W TO
30N154W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT...HIGHEST NEAR
46N144W.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 34N TO 50N
BETWEEN 152W AND 164W...FROM 34N TO 39N BETWEEN 177E AND
172E...AND WITHIN THE BERING SEA N OF 56N.
.24 HOUR FORECAST DENSE FOG FROM 37N TO 52N BETWEEN 146W AND
160W...N OF 56N W OF 148W...AND FROM 35N TO 51N W OF 175E.
.48 HOUR FORECAST DENSE FOG FROM 37N TO 58N BETWEEN 137W AND
152W...N OF 56N BETWEEN 157W AND 172W...AND FROM 44N TO 53N W OF
173W.
.FORECASTER ANDERSON. 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 0000 UTC SAT APR 26.
24 HOUR FORECAST VALID 0000 UTC SUN APR 27.
48 HOUR FORECAST VALID 0000 UTC MON APR 28.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 09N123W TO 15N136W TO 16N140W TO 05N140W TO 05N131W TO
07N122W TO 09N123W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL
AND NE WIND WAVES.
.24 HOUR FORECAST WITHIN 11N122W TO 16N127W TO 18N140W TO
05N140W TO 05N125W TO 11N122W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 23N114W TO 18N127W TO 20N140W TO
05N140W TO 08N117W TO 12N111W TO 23N114W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NE AND S SWELL.
.WITHIN 01S93W TO 02N115W TO 00N128W TO 03.4S120W TO 03.4S85W TO
01S93W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 02N83W TO 11N110W TO 10N118W TO 00N123W
TO 03.4S120W TO 03S82W TO 02N83W...EXCEPT LEE OF GALAPAGOS
ISLANDS... WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 12N93W TO 15N94W TO 12N99W TO 08N99W TO
08N95W TO 07N94W TO 12N93W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO
SW SWELL.
.06 HOUR FORECAST WITHIN 30N126W TO 30N132W TO 29N130W TO
28N129W TO 28N127W TO 30N126W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.
.24 HOUR FORECAST WITHIN 30N121W TO 30N133W TO 27N130W TO
27N127W TO 28N124W TO 30N121W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.
.48 HOUR FORECAST WITHIN 30N118W TO 30N124W TO 29N122W TO
29N121W TO 29N119W TO 30N118W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NW SWELL.
.06 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO
30N115W TO 30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA... SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
CONVECTION VALID AT 0130 UTC SAT APR 26...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 06N110W. ITCZ FROM 06N110W TO
BEYOND 06N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO
10N BETWEEN 80W AND 120W...AND FROM 01N TO 10N BETWEEN 120W AND
140W.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 0000 UTC APR 26 2025.
24 HOUR FORECAST VALID 0000 UTC APR 27 2025.
48 HOUR FORECAST VALID 0000 UTC APR 28 2025.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 29N166W 1012 MB. TROUGH 30N166W TO LOW TO 23N168W 14N172W.
TROUGH AND LOW MOVING NE 10 KT. WINDS 20 TO 30 KT AND SEAS 8 TO 10
FT N OF 25N BETWEEN 155W AND 161W. SCATTERED MODERATE TSTMS N OF
22N BETWEEN 159W AND 162W.
.24 HOUR FORECAST LOW MOVED N OF AREA. TROUGH 30N161W 22N166W.
WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT N OF 28N BETWEEN 153W AND
157W.
.48 HOUR FORECAST TROUGH 30N156W 23N160W. WINDS EASED TO 20 KT OR
LESS AND SEAS LOWERED TO 8 FT OR LOWER.
.48 HOUR FORECAST NEW FRONT 30N169E 26N160E.
.WINDS 20 TO 25 KT FROM 04N TO 15N E OF 162W...AND FROM 17N TO
25N E OF 147W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 8 TO 9 FT FROM 03N TO 15N E OF 162W.
.24 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.
.SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.
.ITCZ 03N140W 02N158W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF
ITCZ.
.ISOLATED MODERATE TSTMS WITHIN 90 NM OF 16N165E...AND FROM 02N TO
07N BETWEEN 178W AND 177E.
$$
.FORECASTER ALMANZA. HONOLULU HI.=