HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC MON APR 13 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC APR 13.
24 HOUR FORECAST VALID 0000 UTC APR 14.
48 HOUR FORECAST VALID 0000 UTC APR 15.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 60N146W 997 MB MOVING S 10 KT. WITHIN
660 NM SE...480 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5
TO 4 M. ELSEWHERE E AND NE OF A LINE FROM 36N135W TO 45N137W TO
50N144W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 57N145W 1001 MB.
WITHIN 300 NM W AND 360 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
2.5 TO 4 M. ELSEWHERE WITHIN 600 NM SE...420 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 53N131W 1000 MB. WITHIN 660 NM SE...480 NM
SW AND 360 NM NW QUADRANTS AND WITHIN 180 NM S OF A FRONT FROM
46N124W TO 41N140W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...HIGHEST
NEAR 51N135W.
...GALE WARNING...
.LOW W OF THE AREA 55N166E MOVING NW 15 KT THROUGH 12 HOURS THEN
TURNING SW. N OF 52N N OF THE ALEUTIAN ISLANDS W OF 180W AND FROM
48N TO 52N W OF 176W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW WELL W OF THE AREA. N AND NE OF A FRONT
FROM 55N170W TO 57N178W TO 58N177E AREA OF E TO SE WINDS 25 TO 40
KT. SEAS 2.5 TO 5 M...EXCEPT TO 3.5 M E OF 180W.
.48 HOUR FORECAST NEW LOW 60N178W 997 MB. WITHIN 240 NM SE AND S
QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.SYNOPSIS AND FORECAST.
.LOW 37N168W 1000 MB NEARLY STATIONARY. WITHIN 420 NM SE...600 NM
SW...480 NM NW AND 540 NM N QUADRANTS AND WITHIN 120 NM NE AND E
OF A FRONT FROM 42N156W TO 39N152W TO 30N153W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 37N167W 1004 MB. WITHIN 300 NM NW...360 NM
N...BETWEEN 120 NM AND 360 NM SW QUADRANTS AND WITHIN 240 NM E
AND SE OF A LINE FROM 46N148W TO 30N152W WINDS TO 25 KT. SEAS TO
3 M.
.48 HOUR FORECAST LOW 38N164W 1010 MB. WITHIN 180 NM NE OF A LINE
FROM 43N163W TO 36N156W WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 60 NM E OF A
LINE FROM 34N153W TO 39N154W...WITHIN 60 NM NE OF A LINE FROM
56N179W TO 55N176W AND WITHIN 90 NM NE OF A LINE FROM 60N168W TO
58N163W.
.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 49N178W TO
51N178W...N OF THE ALEUTIAN ISLANDS FROM 51N TO 60N W OF 170W...N
OF THE ALEUTIAN ISLANDS FROM 54N TO 58N BETWEEN 165W AND
170E...FROM 40N TO 43N BETWEEN 162W AND 168W...WITHIN 90 NM E OF
A LINE FROM 39N150W TO 45N150W AND FROM 53N TO 57N BETWEEN 132W
AND 140W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM N AND NE OF A LINE FROM
41N169W TO 39N160W...WITHIN 180 NM NE AND E OF LINE FROM 39N160W
TO 35N156W...N OF THE ALEUTIAN ISLANDS FROM 54N TO 58N W OF 177W
AND NE OF A LINE FROM 61N177W TO 55N163W.
.LIGHT FREEZING SPRAY N OF 59N W OF 174W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N AND NE OF A LINE FROM
55N164W TO 60N179W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER FUTTERMAN. 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 MON APR 13.
24 HOUR FORECAST VALID 0000 UTC TUE APR 14.
48 HOUR FORECAST VALID 0000 UTC WED APR 15.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 11N86W TO 12N87W TO 11N88W TO 10N88W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M. FROM 08.5N TO 10N BETWEEN 88.5W AND 90W
WINDS 20 KT OR LESS. SEAS 2.5 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N87W TO 10N88W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF TEHUANTEPEC N OF 15.5N NW TO N WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 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 0200 UTC MON APR 13...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 10N75W TO 03N83W TO 05.5N97W. ITCZ
EXTENDS FROM 06N98W TO 07N130W TO 05N135W TO BEYOND 05.5N140W. A
SOUTHERN HEMISPHERIC ITCZ EXTENDS FROM 03.4S93W TO 02.5S99W TO
03S104W TO 02.5S110W TO BEYOND 03.4S114W. SCATTERED MODERATE
CONVECTION FROM 01.5N TO 08N BETWEEN 81W AND 101W. SCATTERED
MODERATE ISOLATED STRONG CONVECTION FROM 06N TO 08.5N BETWEEN
103W AND 118W...AND FROM 02N TO 05N BETWEEN 120W AND 130W.
SCATTERED MODERATE CONVECTION S OF 02S BETWEEN 88W AND 104W NEAR
THE SOUTHERN HEMISPHERIC ITCZ.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0000 UTC APR 13 2026.
24 HOUR FORECAST VALID 0000 UTC APR 14 2026.
48 HOUR FORECAST VALID 0000 UTC APR 15 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N152W 26N153W THENCE TROUGH 21N156W 19N158W 15N164W.
FRONT AND TROUGH NEARLY STATIONARY. SE TO S WINDS 20 TO 25 KT
WITHIN 120 NM E OF FRONT N OF 26N. ISOLATED MODERATE TSTMS WITHIN
120 NM OF TROUGH S OF 20N.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH. TROUGH 30N151W
25N154W 22N158W. WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 22N166W 15N172W 10N179W NEARLY STATIONARY. SCATTERED
MODERATE TSTMS WITHIN 210 NM E OF TROUGH AND WITHIN 90 NM W OF
TROUGH.
.24 HOUR FORECAST TROUGH 30N162W 27N162W 19N165W 12N173W.
.48 HOUR FORECAST NEW FRONT 30N159W 25N160W THENCE TROUGH 21N164W
14N173W.
.WINDS 20 KT OR LESS OVER REMAINDER FORECAST AREA.
.SEAS 2.5 TO 3 M N OF LINE 30N160W 19N165W 17N173W 22N180W.
.24 HOUR FORECAST SEAS LOWERED TO 2.5 M OR LOWER.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 04N140W 06N154W 06N166W. SCATTERED MODERATE TSTMS FROM 09N
TO 03N BETWEEN 159W AND 146W.
$$
.FORECASTER TROTTER. HONOLULU HI.=