HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 10.
24 HOUR FORECAST VALID 0600 UTC MAR 11.
48 HOUR FORECAST VALID 0600 UTC MAR 12.
.WARNINGS.
...STORM WARNING...
.LOW 35N173W 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 10 M IN NE SWELL. ELSEWHERE S OF 48N W OF 157W WINDS 25 TO
40 KT. SEAS 3 TO 7 M...HIGHEST CONDITIONS N OF CENTER.
.24 HOUR FORECAST LOW 35N178W 993 MB. FROM 37N TO 45N W OF 161W
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 7.5 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 34N175W 993
MB. FROM 37N TO 43N W OF 157W WINDS 40 TO 55 KT. SEAS 6 TO 10.5
M. ELSEWHERE...EXCEPT WHERE OTHERWISE DESCRIBED...S OF 50N W OF
152W...EXCEPT S OF 36N BETWEEN 159W AND 166W...WINDS 25 TO 40 KT.
SEAS 3 TO 7 M.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 57N140W 998 MB NEARLY STATIONARY
AND SECOND CENTER 59N146W 1000 MB MOVING SW 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 49N135W.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 57N140W 1004 MB
AND SECOND CENTER 57N149W 1000 MB. WITHIN 180 NM SW SEMICIRCLE OF
SECOND CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 52N138W 1004
MB. FROM 46N TO 54N E OF 153W...AND BETWEEN 420 NM AND 660 NM NW
QUADRANT OF MEAN CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 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 CONDITIONS DIMINISHED.
...GALE WARNING...
.06 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 51N147W 1004 MB. WITHIN 120 NM OF LOW
CENTER...AND N OF 47W BETWEEN 147W AND 167W...EXCEPT WHERE
OTHERWISE DESCRIBED...WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 52N138W
ABOVE.
...GALE WARNING...
.36 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 AND CONDITIONS DESCRIBED WITH LOW 52N138W
ABOVE.
...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 0600 UTC TUE MAR 10.
24 HOUR FORECAST VALID 0600 UTC WED MAR 11.
48 HOUR FORECAST VALID 0600 UTC THU MAR 12.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 12N124W TO 10N135W TO 03N133W TO 00N119W TO 03.4S115W TO
03.4S86W TO 12N124W...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 18N116W TO 16N135W TO 07N138W TO
08N120W TO 03N99W TO 06N93W TO 18N116W NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 12N113W TO 17N121W TO 16N129W TO
20N139W TO 04N140W TO 09N115W TO 12N113W NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M.
.WITHIN 11N86W TO 12N87W TO 11N89W TO 10N89W TO 10N88W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 12N87W TO 11N89W TO 10N89W TO 10N87W
TO 11N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.45 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 27N114W TO 28N116W TO 25N115W TO 24N115W TO 24N114W TO
25N113W TO 27N114W...INCLUDING WITHIN 60 NM OF SHORE... W TO NW
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 30N121W TO 30N128W TO 29N127W TO 29N125W TO 29N123W TO
30N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 30N119W TO 30N130W TO 28N126W TO
28N121W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.48 HOUR FORECAST WITHIN 30N117W TO 30N131W TO 25N136W TO
21N128W TO 25N119W TO 30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N SWELL.
.06 HOUR FORECAST WITHIN 19N105W TO 20N106W TO 18N106W TO
19N105W...INCLUDING NEAR CABO CORRIENTES... NW TO N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 19N104W TO 21N106W TO 20N107W TO
17N108W TO 16N105W TO 18N104W TO 19N104W...INCLUDING NEAR CABO
CORRIENTES... NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 25N108W TO 26N110W TO 25N111W TO
24N110W TO 23N110W TO 23N108W TO 25N108W...INCLUDING THE GULF OF
CALIFORNIA... NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 29N112W TO 29N113W TO 26N111W TO
25N110W TO 27N110W TO 29N112W...INCLUDING THE GULF OF
CALIFORNIA... NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0850 UTC TUE MAR 10...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 05N77W TO 04N87W TO 03N98W. THE
ITCZ IS ANALYZED FROM 02N99W TO 01N120W AND BEYOND 02N140W.
SCATTERED MODERATE FROM 05N TO 17N BETWEEN 111W AND 137W.
NUMEROUS MODERATE TO STRONG S OF THE EQUATOR BETWEEN 86W AND
93W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC MAR 10 2026.
24 HOUR FORECAST VALID 0600 UTC MAR 11 2026.
48 HOUR FORECAST VALID 0600 UTC MAR 12 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N165W 24N166W 17N170W AND TROUGH 30N164W 22N162W. FRONT
AND TROUGH MOVING E 10 KT. WINDS 20 TO 30 KT N OF 22N W OF 170W...
AND WITHIN 150 NM E OF TROUGH. ISOLATED MODERATE TSTMS FROM 20N
TO 27N BETWEEN FRONT AND 160W... AND N OF 27N W OF FRONT.
.24 HOUR FORECAST FRONT 30N160W 22N165W 17N170W. TROUGH MERGED
WITH FRONT. WINDS 20 TO 30 KT N OF 20N BETWEEN FRONT AND 156W...
AND N OF 24N W OF 170W.
.48 HOUR FORECAST FRONT 30N158W 24N160W 19N165W. WINDS 20 TO 30
KT N OF 22N W OF 167W... AND N OF 24N BETWEEN FRONT AND 154W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 4 TO 5 M N OF 22N W OF 170W. SEAS 2.5 TO 4 M ELSEWHERE N OF
LINE 16N180W 18N170W 23N160W 30N157W.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF 21N W OF 172W. SEAS 2.5 TO 4
M ELSEWHERE N OF LINE 16N180W 17N170W 25N156W 30N156W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 20N180W 28N170W. SEAS
2.5 TO 4 M ELSEWHERE N OF LINE 14N180W 20N165W 22N157W 20N153W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 00N140W 01N150W 01N157W... AND 07N174W 06N180W.
.SCATTERED MODERATE TSTMS FROM 12N TO 17N BETWEEN 150W AND 144W...
AND FROM 20N TO 22N BETWEEN 146W AND 143W.
$$
.FORECASTER SHIGESATO. HONOLULU HI.=