HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC FRI FEB 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FEB 27.
24 HOUR FORECAST VALID 1200 UTC FEB 28.
48 HOUR FORECAST VALID 1200 UTC MAR 01.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN LOW 47N175W 992 MB MOVING SW 20 KT.
WITHIN 360 NM N OF A LINE FROM 49N180W TO 51N164W WINDS 35 TO 50
KT. SEAS 4 TO 8 M. ELSEWHERE FROM 45N TO 50N BETWEEN 155W AND
170W AND WITHIN 720 NM NE AND N QUADRANTS WINDS 25 TO 40 KT.
SEAS 3 TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW W OF THE AREA
42N176E 996 MB. WITHIN 360 NM N OF A LINE FROM 47N180W TO
50N173W WINDS 35 TO 45 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 50N TO
55N BETWEEN 165W AND 180W WINDS 25 TO 40 KT. SEAS 3.5 TO 6.5 M.
ALSO FROM 45N TO 58N BETWEEN 155W AND 165W AND N OF 55N BETWEEN
165W AND 180W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M...EXCEPT LESS
THAN 2.5 M N OF THE ALEUTIAN ISLANDS N OF 57N.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 44N174W 991 MB AND
SECOND NEW LOW 52N160W 998 MB. WITHIN 300 NM W AND NW OF A LINE
FROM 45N175W TO 55N155W WINDS 35 TO 45 KT. SEAS 4 TO 8 M...EXCEPT
2.5 TO 5 M N OF THE ALEUTIAN ISLANDS. ELSEWHERE WITHIN 780 NM NW
AND 840 NM SW QUADRANTS OF SECOND LOW AND BETWEEN 240 NM AND 900
NM SE AND WITHIN 780 NM S AND SW QUADRANTS OF MAIN LOW WINDS 25
TO 35 KT. SEAS 3 TO 6 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER NEAR 44N180W 988 MB MOVING NE 15
KT. WITHIN 480 NM NE...420 NM E AND 540 NM SE AND S QUADRANTS
WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 44N174W 990 MB.
WITHIN 600 NM SE...780 NM S AND 840 NM SW QUADRANTS WINDS 25 TO
35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 44N174W.
...GALE WARNING...
.LOW 37N142W 997 MB MOVING E 10 KT. WITHIN 240 NM SW SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 3.5 TO 6.5 M...HIGHEST NEAR 37N144W.
ELSEWHERE FROM 32N TO 43M BETWEEN 132W AND 149W WINDS 25 TO 35
KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 37N138W 1004 MB. WITHIN 300 NM SE AND SW
QUADRANTS AND WITHIN 240 NM N AND NE OF A LINE FROM 41N131W TO
42N141W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 38N124W 1010 MB. CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 58N138W 1009 MB MOVING SE 15 KT. WITHIN 540 NM SE...300 NM
SW AND 480 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 6
M...HIGHEST NEAR 52N133W.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A LINE FROM 58N151W
TO 55N157W AND N AND NE OF A LINE FROM 56N163W TO 59N175W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW AND N OF A LINE
FROM 57N133W TO 52N152W AND N OF 52N W OF 152W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A
LINE FROM 56N161W TO 58N172W TO 61N178W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY NW AND N OF A LINE FROM 56N132W TO
57N150W TO 52N180W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY IN COOK INLET
AND N AND NE OF A LINE FROM 56N161W TO 57N171W TO 60N179W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW AND N OF A LINE
FROM 58N134W TO 57N149W TO 50N180W.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST LOW 56N148W 1011 MB. FROM 52N TO 57N BETWEEN
155W AND 140W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR
155W.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM NE OF A
LINE FROM 59N143W TO 50N127W...WITHIN 300 NM NW AND N OF A LINE
FROM 48N180W TO 51N154W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM N OF A LINE FROM
47N180W TO 47N159W AND WITHIN 180 NM N OF A LINE FROM 55N150W TO
54N140W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM
45N177W TO 48N171W...WITHIN 240 NM NW AND N OF A LINE FROM
50N167W TO 54N154W...WITHIN 120 NM N OF LINE FROM 54N154W TO
55N137W AND WITHIN 120 NM W OF A LINE FROM 54N153W TO 47N153W.
.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 1200 UTC FRI FEB 27.
24 HOUR FORECAST VALID 1200 UTC SAT FEB 28.
48 HOUR FORECAST VALID 1200 UTC SUN MAR 01.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
FROM 10N TO 11.5N E OF 89W...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 LITTLE CHANGE.
.STATIONARY FRONT FROM 30N130W TO 21N140W. NW OF A LINE FROM
30N138W TO 29N140W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N
SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N130W TO 21N140W.
NW OF A LINE FROM 30N137W TO 29N140W WINDS 20 KT OR LESS. SEAS
2.5 M
IN NW TO N SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.FROM 02N TO 11N BETWEEN 111W AND 129W WINDS 20 KT OR LESS. SEAS
2.5 TO 3 M PRIMARILY IN NW TO N SWELL. FROM 04N TO 07N W OF 137W
WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC FRI FEB 27...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH IS ANALYZED FROM A 1009 MB LOW PRESSURE LOCATED
OVER NORTHERN COLOMBIA NEAR 09N75W TO 04S83W TO 02S100W. THE ITCZ
IS SOUTH OF THE EQUATOR AND RUNS FROM 02S100W TO BEYOND 06S120W.
NO
SIGNIFICANT CONVECTION IS ASSOCIATED WITH THE ITCZ. A CLUSTER OF
MODERATE CONVECTION IS S OF THE GALAPAGOS ISLANDS NEAR 03S90W.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1200 UTC FEB 27 2026.
24 HOUR FORECAST VALID 1200 UTC FEB 28 2026.
48 HOUR FORECAST VALID 1200 UTC MAR 01 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N162W 25N162W 20N168W THENCE TROUGH 14N179W MOVING E 15
KT. WINDS 20 TO 25 KT WITHIN 150 NM E OF FRONT N OF 25N.
.24 HOUR FORECAST FRONT 30N157W 25N162W THENCE TROUGH 19N170W.
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH. TROUGH 30N158W
25N161W 20N170W. WINDS DECREASING TO 20 KT OR LESS.
.TROUGH 20N140W 17N143W MOVING SE SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 27N140W 26N142W MOVING S SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.
.24 HOUR FORECAST NEW FRONT 30N172W 26N180W. WINDS 20 TO 25 KT NW
OF FRONT.
.48 HOUR FORECAST FRONT 30N165W 26N170W 22N180W. WINDS 20 TO 25
KT NW OF FRONT.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 06N TO 16N BETWEEN 160W
AND 145W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 07N TO 20N E OF 160W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 4 M N OF 10N W OF 175W. SEAS 2.5 TO 3 M FROM 03N TO
10N E OF 155W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M NW OF LINE 30N170W 25N180W...
AND FROM 06N TO 21N W OF 175W. SEAS 2.5 TO 3 M FROM 05N TO 14N
BETWEEN 165W AND 150W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M NW OF A LINE 30N165W 24N180W.
SEAS 2.5 TO 3 M FROM 06N TO 14N BETWEEN 170W AND 150W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
$$
.FORECASTER SHIGESATO. HONOLULU HI.=