HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC FRI APR 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10.
24 HOUR FORECAST VALID 0000 UTC APR 11.
48 HOUR FORECAST VALID 0000 UTC APR 12.
.WARNINGS.
...GALE WARNING...
.IN THE BERING SEA W AND NW OF A LINE FROM 53N179E TO 58N174W
AREA OF SW WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE IN THE
BERING SEA N OF 52N E OF 174W AREA SW TO W WINDS TO 25 KT. SEAS
TO 3.5 M.
.24 HOUR FORECAST LOW NW OF AREA 61N176E 994 MB. N OF THE
ALEUTIAN ISLANDS N OF 51N BETWEEN 171E AND 168W WINDS 25 TO 35
KT. SEAS 3 TO 6 M...EXCEPT SEAS TO 3 M E OF 170W. ALSO FROM 48N
TO 52N BETWEEN 174W AND 180W WINDS TO 25 KT. SEAS TO 3.5 M
.48 HOUR FORECAST LOW WELL NW OF THE AREA. IN THE BERING SEA N
AND NE OF A LINE FROM 55N165W TO 55N176W TO 57N175E AREA OF W TO
NW WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.LOW S OF AREA 28N166W 1002 MB MOVING NW 15 KT. WITHIN AN AREA
BOUNDED BY A LINE FROM 30N151W TO 46N160W TO 45N166W TO 30N179W
TO 30N151W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M....HIGHEST NEAR
30N.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 34N166W 992 MB.
WITHIN 180 NM SE...300 NM SW AND 600 NM W QUADRANTS...WITHIN 180
NM W AND NW OF A LINE FROM 34N171W TO 38N171W...WITHIN 240 NW AND
N OF LINE FROM 38N171W TO 38N163W AND WITHIN 240 NM N AND NE OF
LINE FROM 38N163W TO 30N155W WINDS 30 TO 45 KT. SEAS 3.5 TO 6 M.
ELSEWHERE FROM 30N TO 45N BETWEEN 150W AND 180W WINDS 20 TO 30
KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 37N167W 995 MB.
WITHIN 720 NM NE...420 NM SE...600 NM NW AND BETWEEN 240 NM AND
720 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE
FROM 30N TO 38N BETWEEN 150W AND 156W WINDS 20 TO 30 KT. SEAS 2.5
TO 4 M.
...GALE WARNING...
.12 HOUR FORECAST NEW LOW 49N141W 1012 MB. FROM 44N TO 53N
BETWEEN 141W AND 150W WINDS 20 TO 30 KT. SEAS TO 2.5 M
.24 HOUR FORECAST LOW 43N136W 1008 MB. WITHIN 300 NM S...360 NM
SW...480 NM W...540 NM NW AND 720 NM N QUADRANTS WINDS 25 TO 35
KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 38N127W 1001 MB. WITHIN 360 NM S SEMICIRCLE
AND WITHIN 720 NM NW AND 1080 NM N QUADRANTS WINDS 25 TO 35 KT.
SEAS 2.5 TO 5 M...HIGHEST SW QUADRANT.
.SYNOPSIS AND FORECAST.
.LOW 37N128W 1008 MB MOVING SE 10 KT. BETWEEN 90 NM AND 360 NM SW
AND 90 NM...300 NM NW QUADRANTS AND WITHIN 120 NM E AND NE OF A
LINE FROM 42N133W TO 48N132W TO 53N132W WINDS TO 25 KT. SEAS TO 3
M
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
.WITHIN 120 NM E AND SE OF A FRONT FROM 56N168W TO 46N177W AREA
OF SW WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST CONDITIONS DESCRIBED ABOVE IN WARNINGS SECTION
WITH LOW NW OF AREA 61N176E.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 34N TO 43N
BETWEEN 160W AND 164W AND WITHIN 90 NM NE OF A LINE FROM 59N140W
TO 55N134W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM NW AND N OF A LINE FROM
52N179W TO 57N171W...FROM 45N TO 47N BETWEEN 134W AND 136W AND IN
COOK INLET.
.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 FRI APR 10.
24 HOUR FORECAST VALID 0000 UTC SAT APR 11.
48 HOUR FORECAST VALID 0000 UTC SUN APR 12.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 11N86W TO 12N86W TO 11N88W TO 10N87W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N88W TO 10N89W TO
10N88W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0300 UTC FRI APR 10...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 05N78W TO A 1007 MB LOW NEAR 03.5N86W TO
05N96W. ITCZ FROM 05N100W TO 06N120W TO 04N140W. SECOND ITCZ FROM
05.5S88W TO 02S110W TO 01S123.5W. SCATTERED MODERATE TO ISOLATED
STRONG FROM 00N TO 06N BETWEEN 83W AND 91.5W. SCATTERED MODERATE
FROM 00.5N TO 09.5N BETWEEN 116W AND 140W.
.FORECASTER KRV. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0000 UTC APR 10 2026.
24 HOUR FORECAST VALID 0000 UTC APR 11 2026.
48 HOUR FORECAST VALID 0000 UTC APR 12 2026.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW 28N166W 1002 MB MOVING NNE SLOWLY. FRONT FROM LOW TO
30N165W 30N164W 25N162W 17N165W THENCE TROUGH 12N170W 07N180W.
FRONT MOVING E 10 KT AND TROUGH NEARLY STATIONARY. SECOND TROUGH
FROM LOW TO 25N168W MOVING ESE 15 KT. WINDS 30 TO 40 KT WITHIN 390
NM NW QUADRANT OF LOW. WINDS 30 TO 35 KT WITHIN 90 NM E OF FRONT N
OF 25N. WINDS 20 TO 30 KT ELSEWHERE BETWEEN FRONT AND LINE 30N152W
20N155W 14N160W...AND N OF 24N W OF 165W. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 240 NM E OF FRONT AND IN AREA BOUNDED BY
17N165W 10N152W 10N170W 17N165W. ISOLATED MODERATE TSTMS WITHIN
120
NM NW QUADRANT OF LOW...AND WITHIN 120 NM OF TROUGH W OF 170W.
.24 HOUR FORECAST LOW MOVED N OF AREA. FRONT 30N156W 26N157W
22N159W THENCE TROUGH 13N165W 06N175W. WINDS 30 TO 35 KT KT WITHIN
180 NM E OF FRONT N OF 26N. WINDS 20 TO 30 KT ELSEWHERE WITHIN 300
NM E OF FRONT AND TROUGH N OF 18N. WINDS 20 TO 25 KT N OF 28N
BETWEEN 157W AND 177W.
.48 HOUR FORECAST FRONT DISSIPATED. TROUGH 30N155W 26N155W
18N158W.
SECOND TROUGH 15N169W 11N180W. WINDS 20 TO 25 KT WITHIN 150 NM E
OF
TROUGH N OF 26N...AND N OF 28N BETWEEN 164W AND 177W.
.SYNOPSIS AND FORECAST.
.WINDS 20 KT OR LESS OVER REMAINDER FORECAST AREA.
.SEAS 3 TO 4.5 M N OF LINE 30N165W 26N167W 10N175W 30N177W. SEAS
2.5 TO 3 M ELSEWHERE N OF LINE 10N150W 12N163W 26N165W 13N180W.
.24 HOUR FORECAST SEAS 3 TO 4 M N OF LINE 30N154W 21N167W 30N175W.
SEAS 2.5 TO 3 M ELSEWHERE N OF 18N W OF 152W.
.48 HOUR FORECAST SEAS 3 TO 4.5 M N OF LINE 30N162W 27N170W
30N178W. SEAS 2.5 TO 3 M ELSEWHERE N OF LINE 30N153W 23N155W
28N180W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 04N140W 04N143W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF
ITCZ.
$$
.FORECASTER WROE. HONOLULU HI.=