HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 13.
24 HOUR FORECAST VALID 0600 UTC APR 14.
48 HOUR FORECAST VALID 0600 UTC APR 15.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 59N149W 999 MB MOVING SE 15 KT. WITHIN
720 NM SE...360 NM S AND 420 NM SW QUADRANTS WINDS 25 TO 35 KT.
SEAS 2.5 TO 4 M. ELSEWHERE FROM 46N TO 52N BETWEEN 127W AND 133W
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 56N138W 1001 MB.
BETWEEN 120 NM AND 480 NM NW QUADRANT...INCLUDING THE SHELIKOF
STRAIT...WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE BETWEEN
180 NM AND 600 NM SE...120 NM AND 660 NM S AND 120 NM AND 420 NM
SW QUADRANTS AND WITHIN 180 NM E AND SE OF A LINE FROM 47N140W TO
41N147W WINDS TO 20 TO 30 KT. SEAS TO 3.5 M
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 52N129W 1005 MB.
BETWEEN 90 NM AND 300 NM SW AND 120 NM AND 360 NM NW QUADRANTS
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR 50N133W.
ELSEWHERE BETWEEN 180 NM AND 300 NM SE...WITHIN 420 NM SW AND 480
NM NW QUADRANTS AND WITHIN 120 NM S OF A FRONT FROM 45N124W TO
40N136W WINDS 20 TO 30 KT. SEAS TO 3.5 M
...GALE WARNING...
.LOW W OF THE AREA 56N167E MOVING NW 20 KT THROUGH 12 HOURS THEN
TURNING SW. N OF 52N N OF THE ALEUTIAN ISLANDS W OF 180W WINDS 25
TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 47N TO 60N BETWEEN 174W
AND 180W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M W OF 177W. SEAS TO
2.5 M E OF 177W.
.24 HOUR FORECAST LOW WELL W OF THE AREA. N AND NE OF A FRONT
FROM 59N178E TO 57N172W AREA OF SW TO W WINDS 30 TO 40 KT. SEAS
2.5 TO 5 M...HIGHEST NEAR 59N180W. ELSEWHERE FROM 50N TO 57N
BETWEEN 164W AND 177W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW W OF THE AREA 54N167E 999 MB. FROM 47N
TO 52N W OF 176W WINDS 20 TO 30 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 37N168W 1001 MB NEARLY STATIONARY. WITHIN 360 NM E...600 NM
SW...420 NM NW AND N QUADRANTS AND WITHIN 180 NM NE AND E OF A
FRONT FROM 43N156W TO 36N152W TO 30N153W WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.
.24 HOUR FORECAST LOW 36N166W 1005 MB. WITHIN 480 NM N...360 NM
NE...300 W AND NW QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M
.48 HOUR FORECAST LOW 39N163W 1011 MB. WITHIN 180 NM NE OF A LINE
FROM 43N163W TO 38N154W WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 60 NM NE AND
E OF A LINE FROM 59N142W TO 56N135W TO ALASKA...N OF THE ALEUTIAN
ISLANDS FROM 53N TO 57N W OF 173W.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 58N E OF 177W...FROM 58N
TO 60N W OF 173W...FROM 39N TO 44N BETWEEN 163W AND 168W...WITHIN
120 NM NW OF A LINE FROM 36N150W TO 44N144W AND E OF A LINE FROM
50N137W TO 57N135W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM N AND NE OF A LINE FROM
41N169W TO 36N155W...FROM 45N TO 47N BETWEEN 163W AND 167W AND N
OF 58N W OF 173W.
.LIGHT FREEZING SPRAY N OF 57N W OF 170W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 59N W OF 174W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 60N W OF 176W.
.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 0600 UTC MON APR 13.
24 HOUR FORECAST VALID 0600 UTC TUE APR 14.
48 HOUR FORECAST VALID 0600 UTC WED APR 15.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 11N86W TO 11N88W TO 11N90W TO 10N90W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 11N87W TO 11N88W TO 10N89W TO 10N88W TO
11N86W TO 11N87W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 11.5N86.5W TO 11.5N87.5W TO 11.5N88W TO
10.5N88.5W TO 11N87W TO 11N86W TO 11.5N86.5W...INCLUDING THE
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.WITHIN 30N122W TO 30N132W TO 28N128W TO 29N125W TO 30N122W
WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.03 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.18 HOUR FORECAST WITHIN 03S109W TO 03S110W TO 03S110W TO
03S111W TO 03.4S111.5W TO 03.4S108W TO 03S109W WINDS 20 KT OR
LESS. SEAS 2.5 M IN MIXED SW AND SE SWELL.
.24 HOUR FORECAST WITHIN 03S109.5W TO 03S111W TO 03S112W TO
03.4S112.5W TO 03.4S107.5W TO 03S109.5W WINDS 20 KT OR LESS. SEAS
2.5 M IN MIXED SW AND SE SWELL.
.48 HOUR FORECAST WITHIN 03S97W TO 02S97W TO 02S98W TO 03.4S101W
TO 03.4S93W TO 03S97W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
.21 HOUR FORECAST GULF OF CALIFORNIA WITHIN 30.5N113.5W TO
31N113.5W TO 30.5N114.5W TO 30N114.5W TO 30N114W TO 30.5N113.5W
SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST GULF OF CALIFORNIA WITHIN 31.5N114W TO
31.5N115W TO 31N114.5W TO 31N114W TO 31N113.5W TO 31.5N114W NW
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. FROM 30N TO 31N W WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 18N134W TO 19N138W TO 19N140W TO
17N138W TO 15N135W TO 16N133W TO 18N134W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED N AND E SWELL.
.48 HOUR FORECAST WITHIN 17N136W TO 17N137W TO 19N140W TO
17N139W TO 16N137W TO 16N135W TO 17N136W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED N AND E SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0800 UTC MON APR 13...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 09.5N74.5W TO 03N84W TO 04.5N98W.
ITCZ EXTENDS FROM 05.5N100W TO 06.5N117W TO 04N130W TO BEYOND
05N140W. A SOUTHERN HEMISPHERIC ITCZ EXTENDS FROM 03.4S92W TO
02S106W TO BEYOND 03.4S120W. SCATTERED MODERATE CONVECTION E OF
79W...FROM 01N TO 08N BETWEEN 83W AND 93W...AND FROM 03.5N AND
06.5N BETWEEN 120W AND 136W. SCATTERED TO LOCALLY NUMEROUS
MODERATE TO STRONG CONVECTION FROM 04N TO 08N BETWEEN 92W AND
120W. SCATTERED MODERATE CONVECTION S OF 02.5S BETWEEN 86W AND
96W 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 0600 UTC APR 13 2026.
24 HOUR FORECAST VALID 0600 UTC APR 14 2026.
48 HOUR FORECAST VALID 0600 UTC APR 15 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 30N153W 25N153W 20N157W 14N165W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 30N154W 28N153W 22N157W 14N170W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 24N160W 22N166W 13N174W 12N180W NEARLY STATIONARY.
SCATTERED MODERATE TSTMS FROM 14N TO 19N WITHIN 180 NM E OF
TROUGH.
.24 HOUR FORECAST TROUGH 30N160W 20N166W 12N175W.
.48 HOUR FORECAST TROUGH 30N158W 20N166W 18N171W 14N174W.
.24 HOUR FORECAST NEW FRONT 30N165W 25N170W 23N175W 22N180W.
.48 HOUR FORECAST FRONT DISSIPATED.
.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.
.SEAS 2.5 TO 3 M N OF 27N W OF 162W.
.24 HOUR FORECAST SEAS LOWERED TO 2.5 M OR LOWER.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 04N140W 04N145W 07N157W 05N170W. SCATTERED MODERATE TSTMS
WITHIN 150 NM OF ITCZ BETWEEN 156W AND 144W.
$$
.FORECASTER JELSEMA. HONOLULU HI.=