HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC MON DEC 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 29.
24 HOUR FORECAST VALID 1200 UTC DEC 30.
48 HOUR FORECAST VALID 1200 UTC DEC 31.
.WARNINGS.
...STORM WARNING...
.LOW 42N166E 973 MB MOVING N 10 KT. WITHIN 360 NM NE AND N...AND
180 NM W QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE S
OF 48N W OF 176E WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 45N167E 976 MB. WITHIN 180 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE FROM 36N TO 55N W OF
176W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 52N167E 983 MB. N OF 45N W OF 170W WINDS 25
TO 35 KT. SEAS 3 TO 6 M.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 53N150W 977 MB MOVING NE 20 KT.
FROM 48N TO 60N BETWEEN 129W AND 170W WINDS 25 TO 40 KT. SEAS 4
TO 7 M...EXCEPT N OF 56N SEAS 3 TO 5 M.
.06 HOUR FORECAST LOW 53N149W 977 MB. WITHIN 90 NM SE QUADRANT
WINDS 40 TO 50 KT. SEAS 6 TO 8 M.
.24 HOUR FORECAST LOW 57N150W 985 MB. WITHIN 120 NM S OF A LINE
FROM 59N152W TO 55N163W WINDS 35 TO 50 KT. SEAS 3 TO 5 M.
ELSEWHERE WITHIN 860 NM SE... 780 NM SW QUADRANTS AND 540 NM N
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 58N143W 989 MB. FROM 54N TO 60N BETWEEN
150W AND 157W WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE N OF
52N BETWEEN 135W AND 161W AND FROM 38N TO 52N BETWEEN 150W AND
170W WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST W OF 150W.
...GALE WARNING...
.LOW 45N160W 992 MB MOVING NE 35 KT. WITHIN 360 NM NE...540 NM
SE...360 NM SW...AND 420 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
4 TO 7 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 57N150W
DESCRIBED ABOVE.
...GALE WARNING...
.36 HOUR FORECAST LOW 37N164E 1009 MB. WITHIN 240 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 40N172E 1009 MB. WITHIN 180 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
...GALE WARNING...
.48 HOUR FORECAST LOW W OF AREA. FROM 33N TO 40N W OF 164E AREA
OF SW WINDS 25 TO 35 KT. SEAS TO 4 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY IN THE COOK INLET...AND N OF
56N BETWEEN 154W AND 171W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF A LINE FROM 59N141W TO
58N150W TO 55N158W TO 55N169W TO 58N175W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY IN THE COOK
INLET...AND N OF 56N BETWEEN 154W AND 164W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY N OF A LINE FROM 53N154W TO 57N168W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 57N153W TO 63N174W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF A LINE FROM 58N151W TO 56N154W TO 60N178W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF LINE EXTENDING
FROM 48N126W TO 59N140W TO 59N146W...FROM 46N TO 60N BETWEEN 146W
AND 160W...AND FROM 40N TO 46N W OF 170E.
.24 HOUR FORECAST DENSE FOG N OF 50N E OF 155W AND N OF 40N W OF
174E.
.48 HOUR FORECAST DENSE FOG N OF 52N E OF 146W AND N OF 48N W OF
178W.
.FORECASTER KREKELER. 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 1200 UTC MON DEC 29.
24 HOUR FORECAST VALID 1200 UTC TUE DEC 30.
48 HOUR FORECAST VALID 1200 UTC WED DEC 31.
.WARNINGS.
...GALE WARNING...
.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WITHIN 16N94W TO 16N94.5W TO 16N95W TO
15.5N95.5W TO 15.5N95W TO 15.5N94W TO 16N94W...INCLUDING THE
GULF OF TEHUANTEPEC... N WINDS 25 TO 35 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 15N94W TO 15N95W TO 13N96W TO 14N95W TO
15N94W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 13N97W TO
13N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 30 TO 45 KT. SEAS 3.0 TO 4.5 M. ELSEWHERE WITHIN 13N95W TO
13N98W TO 13N100W TO 12N101W TO 11N98W TO 12N96W TO 13N95W NE TO
E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N96W TO 14N97W TO
13N96W TO 13N94W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 35 TO 45 KT. SEAS 3.0 TO 4.5 M.
ELSEWHERE WITHIN 14N97W TO 12N101W TO 11N99W TO 12N94W TO 14N97W
NE TO E WINDS 20 TO 30 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA
WITHIN 13N92W TO 15N97W TO 13N104W TO 10N106W TO 07N98W TO 10N93W
TO 13N92W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.SYNOPSIS AND FORECAST.
.WITHIN 11N86W TO 11N88W TO 10N89W TO 10N88W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 11N86W TO 11N89W TO 10N90W TO 09N89W TO
09N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.SURFACE TROUGH FROM 22N125W TO 13N127W. WITHIN 25N120W TO
28N126W TO 25N140W TO 14N140W TO 18N127W TO 19N115W TO 25N120W NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN N SWELL. ELSEWHERE WITHIN
26N119W TO 27N140W TO 05N140W TO 02N121W TO 13N112W TO 26N119W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST LOW PRESSURE NEAR 19N127W 1008 MB. WITHIN
25N120W TO 28N123W TO 26N128W TO 22N127W TO 21N123W TO 23N120W TO
25N120W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NW TO N
SWELL. ELSEWHERE WITHIN 27N117W TO 27N140W TO 07N140W TO 09N119W
TO 16N125W TO 27N117W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN
N TO NE SWELL.
.48 HOUR FORECAST WITHIN 30N120W TO 30N122W TO 27N121W TO
23N116W TO 21N110W TO 24N111W TO 30N120W SE TO S WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 22N137W TO 24N140W TO
15N140W TO 17N137W TO 18N136W TO 22N137W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.WITHIN 31N113W TO 32N115W TO 30N115W TO 25N111W TO 25N109W TO
27N110W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA... NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC MON DEC 29...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 08N95W TO 10N100W. ITCZ FROM
10N100W TO 13N120W TO 07N140W. NUMEROUS MODERATE TO ISOLATED
STRONG FROM 15N TO 20N BETWEEN 115W AND 120W. SCATTERED MODERATE
FROM 20N TO 22N BETWEEN 125W AND 128W.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1200 UTC DEC 29 2025.
24 HOUR FORECAST VALID 1200 UTC DEC 30 2025.
48 HOUR FORECAST VALID 1200 UTC DEC 31 2025.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N171E 23N160E MOVING E 25 KT.
.24 HOUR FORECAST FRONT 30N176E 25N171E 21N160E.
.48 HOUR FORECAST FRONT 30N178W 22N171E THENCE TROUGH 20N160E.
WINDS DIMINISHED TO 20 KT OR LESS.
.FRONT 30N153W 24N158W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT 30N152W 24N157W.
.48 HOUR FORECAST FRONT 30N151W 25N156W.
.TROUGH 04N164W 05N160W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 30N165W 28N170W 28N173W. MOVING E 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.
.WINDS 20 TO 30 KT N OF 27N BETWEEN 174E AND 169E. WINDS 20 TO
25 KT FROM 21N TO 11N E OF 148W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 25N TO 20N W OF 167E.
.48 HOUR FORECAST WINDS LOWERED TO 20 KT OR LESS.
.SEAS 4 TO 4.5 M N OF 28N W OF 163E. SEAS 2.5 TO 4 M ELSEWHERE
N OF A LINE 07N140W 23N177E 25N160E.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF 25N W OF 172E. SEAS 2.5
TO 4 M ELSEWHERE N OF A LINE 07N140W 13N160E.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF A LINE 04N140W 07N174E
14N160E.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
.ITCZ 06N140W 05N152W 07N163W 03N177W. SCATTERED MODERATE TSTMS
FROM 05N TO 08N BETWEEN 173W AND 177W.
.ISOLATED MODERATE TSTMS FROM 14N TO 05N BETWEEN 160W AND 164W.
$$
.FORECASTER THOMAS. HONOLULU HI.=