HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC TUE MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 10.
24 HOUR FORECAST VALID 0000 UTC MAR 11.
48 HOUR FORECAST VALID 0000 UTC MAR 12.
.WARNINGS.
...STORM WARNING...
.LOW 33N174W 990 MB MOVING NW 05 KT. WITHIN 180 NM EITHER SIDE OF
A LINE FROM 38N180W TO 41N172W TO 42N163W WINDS 40 TO 55 KT. SEAS
6 TO 9.5 M IN NE SWELL. ELSEWHERE S OF 48N W OF 158W WINDS 25 TO
40 KT. SEAS 2.5 TO 6 M...HIGHEST CONDITIONS N OF CENTER.
.24 HOUR FORECAST LOW 35N176W 991 MB. FROM 37N TO 45N W OF 165W
WINDS 40 TO 55 KT. SEAS 6 TO 10.5 M. ALSO S OF 49N W OF
155W...EXCEPT WITHIN 600 NM E AND SE QUADRANTS...WINDS 25 TO 40
KT. SEAS 3 TO 7 M. ELSEWHERE S OF 40N W OF 160W WINDS TO 25 KT.
SEAS 2.5 TO 6 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 34N174W 994
MB. FROM 37N TO 43N W OF 160W WINDS 40 TO 55 KT. SEAS 6 TO 10.5
M. ELSEWHERE...EXCEPT WHERE OTHERWISE DESCRIBED...S OF 50N W OF
150W...EXCEPT S OF 36N BETWEEN 159W AND 165W...WINDS 25 TO 40 KT.
SEAS 3 TO 7 M.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 57N140W 999 MB NEARLY STATIONARY
AND SECOND CENTER 59N146W 1002 MB MOVING S 10 KT. BETWEEN 120 NM
AND 420 NM SW QUADRANT OF SECOND CENTER WINDS 35 TO 45 KT. SEAS 3
TO 5.5 M. ELSEWHERE BETWEEN 120 NM AND 840 NM SE AND S QUADRANTS
OF FIRST CENTER...AND BETWEEN 120 NM AND 780 NM S AND SW
QUADRANTS OF SECOND CENTER WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5
M...HIGHEST NEAR 50N139W.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 57N141W 998 MB
AND SECOND CENTER 57N149W 1000 MB. BETWEEN 180 NM AND 600 NM SE
AND S QUADRANTS OF FIRST CENTER...AND WITHIN 420 NM S AND SW
QUADRANTS OF SECOND CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5
M...HIGHEST NEAR 50N136W.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 55N144W 1000
MB. FROM 46N TO 56N BETWEEN 135W AND 165W WINDS 25 TO 35 KT. SEAS
2.5 TO 5.5 M IN MIXED SWELL.
...GALE WARNING...
.S OF 43N BETWEEN 121W AND 129W AREA OF N WINDS 25 TO 35 KT. SEAS
2.5 TO 4 M.
.24 HOUR FORECAST S OF 41N BETWEEN 120W AND 126W AREA OF N WINDS
20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
...GALE WARNING...
.12 HOUR FORECAST LOW 52N158W 1017 MB. WITHIN 360 NM W AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 51N150W 1006 MB. WITHIN 120 NM OF LOW
CENTER...AND N OF 47W BETWEEN 149W AND 169W...EXCEPT WHERE
OTHERWISE DESCRIBED...WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW NEAR 53N138W 1000 MB. WITHIN 360 NM SE AND
300 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
...GALE WARNING...
.42 HOUR FORECAST NEW LOW NEAR 46N133W 1014 MB. WITHIN 180 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW NEAR 49N128W 1000 MB. WITHIN 300 NM SE AND
S QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 55N BETWEEN 151W AND 162W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 50N BETWEEN 147W
AND 168W...AND NE OF A LINE FROM 54N167W TO 59N180W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 53N
BETWEEN 150W AND 170W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF 50N BETWEEN 144W AND 177W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 55N
BETWEEN 152W AND 163W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF 50N BETWEEN 149W AND 169W...AND N OF 58N BETWEEN 138W AND
152W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 37N TO 44N
BETWEEN 155W AND 174W...FROM 42N TO 44N BETWEEN 143W AND
155W...AND NE OF A LINE FROM 53N169W TO 58N180W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 37N171W TO 46N136W...N OF 46N BETWEEN 143W AND 156W...AND N
OF 56N BETWEEN 172W AND 177W.
.48 HOUR FORECAST DENSE FOG FROM 49N TO 55N E OF 153W...AND FROM
35N TO 45N BETWEEN 145W AND 160W.
.FORECASTER ANDERSON. 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 TUE MAR 10.
24 HOUR FORECAST VALID 0000 UTC WED MAR 11.
48 HOUR FORECAST VALID 0000 UTC THU MAR 12.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 05N109W TO 09N112W TO 11N140W TO 07N140W TO 03.4S120W TO
03.4S89W TO 05N109W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 11N90W TO 17N121W TO 14N140W TO 04N140W
TO 03N110W TO 02S92W TO 11N90W...EXCEPT LEE OF GALAPAGOS
ISLANDS...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN
01S81W TO 03N84W TO 02N88W TO 03.4S92W TO 03.4S81W TO
01S81W...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.48 HOUR FORECAST WITHIN 15N113W TO 19N131W TO 26N140W TO 05N140W
TO 04N131W TO 09N111W TO 15N113W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN E SWELL.
.WITHIN 27N113W TO 27N115W TO 26N116W TO 24N121W TO 23N119W TO
23N114W TO 27N113W...INCLUDING WITHIN 60 NM OF SHORE... W TO NW
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 30N122W TO 30N129W TO 29N127W TO 28N124W TO 29N122W TO
30N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 30N120W TO 30N129W TO 27N124W TO
27N122W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.48 HOUR FORECAST WITHIN 30N118W TO 30N140W TO 26N140W TO
23N125W TO 27N119W TO 30N118W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N SWELL.
.03 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 12N88W 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.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.27 HOUR FORECAST WITHIN 12N87W TO 12N88W TO 11N88W TO 10N88W
TO 10N86W TO 11N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N89W TO 12N92W TO 10N93W TO 09N91W
TO 10N89W TO 11N89W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.15 HOUR FORECAST WITHIN 20N105W TO 21N106W TO 21N107W TO
19N107W TO 19N106W TO 18N106W TO 20N105W...INCLUDING NEAR CABO
CORRIENTES...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 19N105W TO 20N106W TO 18N107W TO 17N107W
TO 17N105W TO 19N105W...INCLUDING NEAR CABO CORRIENTES...NW TO N
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 20N105W TO 21N109W TO 19N110W TO
16N109W TO 16N107W TO 18N104W TO 20N105W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0320 UTC TUE MAR 10...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 05N77W TO 04N88W TO 03N97W. THE
ITCZ IS ANALYZED FROM 03N100W TO 01N120W AND BEYOND 02N140W.
WIDELY SCATTERED MODERATE FROM 02N TO 07N E OF 95W. NUMEROUS
MODERATE TO STRONG S OF THE EQUATOR BETWEEN 82W AND 92W.
SCATTERED MODERATE FROM 01N TO 14N BETWEEN 130W AND 140W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0000 UTC MAR 10 2026.
24 HOUR FORECAST VALID 0000 UTC MAR 11 2026.
48 HOUR FORECAST VALID 0000 UTC MAR 12 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N163W 25N165W 19N172W AND TROUGH 30N163W 23N162W.
FRONT AND TROUGH MOVING E SLOWLY INCREASING TO 15 KT. WINDS
20 TO 30 KT N OF 22N BETWEEN 180W AND FRONT. SCATTERED TO
NUMEROUS STRONG TSTMS WITHIN 120NM OF FRONT AND TROUGH.
.24 HOUR FORECAST FRONT 30N1632W 25N164W. TROUGH ABSORBED
BY FRONT. WINDS 20 TO 30 KT N OF 21N BETWEEN 180W AND FRONT.
.48 HOUR FORECAST FRONT 30N158W 25N159W 21N161W. WINDS 20 TO 30 KT
N OF 20N BETWEEN 180W AND FRONT.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 4 TO 5 M N OF 25N W OF 170W. SEAS 2.5 TO 4 M ELSEWHERE N OF
LINE 15N180W 20N170W 20N160W 30N150W.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF 24N W OF 172W. SEAS 2.5 TO 4
M
ELSEWHERE N OF LINE 17N180W 17N170W 20N165W 30N158W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF 22N W OF 173W. SEAS 2.5 TO 4
M
ELSEWHERE N OF LINE 17N180W 17N170W 20N160W 25N155W 30N155W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
$$
.FORECASTER PECHACEK. HONOLULU HI.=