HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN APR 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 19.
24 HOUR FORECAST VALID 0600 UTC APR 20.
48 HOUR FORECAST VALID 0600 UTC APR 21.
.WARNINGS.
...STORM WARNING...
.LOW 57N179E 963 MB MOVING NE 05 KT. WITHIN 360 NM S SEMICIRCLE
AND N OF A LINE FROM 578N177E TO 61N168W WINDS 35 TO 50 KT. SEAS
5 TO 8 M. ELSEWHERE N OF 43N W OF 152W WINDS 25 TO 40 KT. SEAS
2.5 TO 7.5 M...HIGHEST N OF 46N W OF 162W.
.24 HOUR FORECAST LOW 58N176W 988 MB. EXCEPT WHERE DESCRIBED
BELOW WITH LOW 49N171E...N OF A LINE FROM 50N172W TO 56N144W AND
WITHIN THE ENTIRE BERING SEA WINDS 25 TO 40 KT. SEAS 2.5 TO 8
M...HIGHEST NEAR 56N172W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER WELL INLAND
ALASKA. N OF 54N BETWEEN 135W AND 160W WINDS 20 TO 30 KT. SEAS TO
3.5 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 47N138W 995 MB MOVING S 20 KT.
WITHIN 420 NM W SEMICIRCLE AND FROM 49N TO 54N E OF 133W WINDS 25
TO 40 KT. SEAS 3 TO 7 M...HIGHEST NEAR 46N141W. ELSEWHERE FROM
33N TO 55N BETWEEN 125W AND 152W WINDS 20 TO 30 KT. SEAS 2.5 TO
4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 39N137W 1000 MB.
FROM 31N TO 49N BETWEEN 133W AND 150W WINDS 25 TO 35 KT. SEAS 3
TO 6.5 M. ELSEWHERE S OF 50N BETWEEN 126W AND 152W WINDS LESS
THAN 25 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 37N129W 1008 MB. S
OF 55N BETWEEN 124W AND 154W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA NEAR 49N171E 990 MB. WITHIN 540
NM E AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
ELSEWHERE WITHIN 1080 NM SE QUADRANT WINDS LESS THAN 25 KT. SEAS
TO 4 M IN MIXED SWELL.
.30 HOUR FORECAST LOW W OF AREA NEAR 50N175E 992 MB. WITHIN 540
NM E AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5
M...HIGHEST NEAR 180W.
.48 HOUR FORECAST LOW 51N178E 988 MB. N OF 40N W OF 169W WINDS 25
TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE N OF 40N BETWEEN 160W AND
169W WINDS TO 25 KT. SEAS TO 3 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF 178W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF 178W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF
175W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 57N W OF
170W.
.SYNOPSIS AND FORECAST.
.LOW 31N180W 1015 MB MOVING N 05 KT. W OF A FRONT FROM 30N180W TO
LOW CENTER TO 43N167W WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 33N179W 1015 MB. CONDITIONS DESCRIBED IN
WARNINGS SECTION ABOVE WITH LOW 49N171E.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.
.24 HOUR FORECAST FROM 30N TO 37N BETWEEN 155W AND 166W WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 30N TO 41N BETWEEN 153W AND 168W WINDS
LESS 25 KT. SEAS TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 54N W OF 174W
AND WITHIN 90 NM OF 45N138W.
.24 HOUR FORECAST DENSE FOG N OF 56N W OF 170W...N OF 58N E OF
143W...AND WITHIN 120 NM NW OF A LINE FROM 51N175E TO 55N163W.
.48 HOUR FORECAST DENSE FOG FROM 37N TO 52N BETWEEN 163W AND
177W...FROM 51N TO 56N W OF 179E...AND FROM 55N TO 58N BETWEEN
169W AND 179E.
.FORECASTER JOSEPH. 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 SUN APR 19.
24 HOUR FORECAST VALID 0600 UTC MON APR 20.
48 HOUR FORECAST VALID 0600 UTC TUE APR 21.
.WARNINGS.
...GALE WARNING...
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO 35
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.36 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 12N99W TO 12N96W TO
13N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN S
SWELL.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST WITHIN 30N136W TO 30N140W TO 29N140W TO
29N138W TO 30N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.48 HOUR FORECAST WITHIN 30N127W TO 30N140W TO 25N140W TO
26N133W TO 30N127W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW
TO N SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0800 UTC SUN APR 19...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM NORTHWEST COLOMBIA TO 08N83W TO 05N120W.
ITCZ FROM 05N120W TO BEYOND 05N140W. SECOND ITCZ FROM 02S91W TO
03S131W. SCATTERED MODERATE FROM 04S TO 06N BETWEEN 84W AND
103W. SIMILAR CONVECTION FROM 02.5N TO 08.5N BETWEEN 118.5W AND
130W.
.FORECASTER KRV. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC APR 19 2026.
24 HOUR FORECAST VALID 0600 UTC APR 20 2026.
48 HOUR FORECAST VALID 0600 UTC APR 21 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 29N140W 27N144W 26N150W 26N158W MOVING SE 10 KT E OF 150W
AND NEARLY STATIONARY W OF 150W.
.24 HOUR FORECAST FRONT 25N140W 24N150W 27N156W.
.48 HOUR FORECAST FRONT 22N140W 22N148W 25N153W.
.TROUGH 28N159W 24N161W 20N165W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 90 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 28N159W 26N160W 23N163W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 29N166W 25N169W 20N172W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 210 NM E OF TROUGH S OF 25N...AND WITHIN 90
NM NW OF TROUGH N OF 29N.
.24 HOUR FORECAST TROUGH 30N168W 26N166W 20N169W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.24 HOUR FORECAST NEW TROUGH 30N162W 27N156W. E TO SE WINDS 20 TO
25 KT N OF TROUGH.
.48 HOUR FORECAST TROUGH 30N161W 29N160W 27N152W. E TO SE WINDS
20 TO 25 KT N OF TROUGH.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF 25N W OF 177W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N158W 25N145W
24N140W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ISOLATED TO SCATTERED MODERATE TSTMS FROM 10N TO 20N BETWEEN
175W AND 157W...AND FROM 05N TO 10N BETWEEN 176W AND 159W.
.ITCZ 06N140N 06N146W 05N151W 05N155W 04N159W. ISOLATED TO
SCATTERED MODERATE TSTMS FROM 02N TO 10N E OF 160W.
$$
.FORECASTER JELSEMA. HONOLULU HI.=