HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAR 10.
24 HOUR FORECAST VALID 1800 UTC MAR 11.
48 HOUR FORECAST VALID 1800 UTC MAR 12.
.WARNINGS.
...STORM WARNING...
.LOW 35N175W 990 MB MOVING S 05 KT. FROM 37N TO 46N W OF 162W
WINDS 35 TO 50 KT. SEAS 5 TO 10.5 M...HIGHEST NEAR 180W.
ELSEWHERE S OF 49N W OF 152W WINDS 25 TO 35 KT. SEAS 2.5 TO 8
M...HIGHEST NEAR 180W.
.24 HOUR FORECAST LOW 34N175W 995 MB. FROM 37N TO 45N W OF 158W
WINDS 35 TO 50 KT. SEAS 4.5 TO 9.5 M. ELSEWHERE S OF 49N W OF
151W WINDS 25 TO 40 KT. SEAS 3 TO 8 M...HIGHEST NEAR 45N180W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 32N175W 995 MB.
FROM 35N TO 45N W OF 150W WINDS 30 TO 45 KT. SEAS 3.5 TO 9.5
M...HIGHEST NEAR 39N180W. ELSEWHERE S OF 48N W OF 135W WINDS 20
TO 30 KT. SEAS 2.5 TO 7 M...HIGHEST NEAR 180W.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 58N149W 1005 MB MOVING S 10 KT.
WITHIN 360 NM W QUADRANT WINDS 30 TO 45 KT. SEAS 3 TO 5 M.
ELSEWHERE N OF 46N E OF 154W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 57N149W 999 MB.
WITHIN 360 NM W QUADRANT WINDS 35 TO 50 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 55N149W 1005 MB.
WITHIN 360 NM NW QUADRANT WINDS 30 TO 45 KT. SEAS 2.5 TO 4.5 M.
ELSEWHERE N OF 49N BETWEEN 168W AND 146W AND WITHIN 480 NM NE
QUADRANT N OF 57N WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW DISSIPATED AND ASSOCIATED
CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 51N154W 1014 MB MOVING NE 20 KT. N OF 48N BETWEEN 154W AND
171W WINDS 25 TO 40 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 53N142W 1000 MB. FROM 44N TO 54N BETWEEN
136W AND 148W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 52N134W 1008 MB. WITHIN 240 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW TO FORM NEAR 47N132W 1006 MB. BETWEEN
40N AND A FRONT FROM LOW CENTER TO 42N141W AND WITHIN 360 NM E
AND 420 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND ASSOCIATED CONDITIONS
DIMINISHED.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 55N BETWEEN 152W AND
165W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
61N180W TO 53N172W TO 51N160W TO 55N144W AND N OF 59N E OF 144W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 55N
BETWEEN 151W AND 163W AND N OF 60N BETWEEN 143W AND 146W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
56N170W TO 50N158W TO 50N149W AND N OF 58N E OF 149W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN THE
COOK INLET AND SHELIKOF STRAIT. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N OF 55N E OF 161W.
.SYNOPSIS AND FORECAST.
.S OF 41N BETWEEN 120W AND 128W AREA OF N WINDS 20 TO 30 KT. SEAS
TO 4 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 44N
BETWEEN 145W AND 171W AND WITHIN 90 NM OF 58N148W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 53N E OF 139W...FROM 37N
TO 39N BETWEEN 154W AND 163W...AND FROM 52N TO 58N BETWEEN 142W
AND 155W.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM NW OF A LINE FROM
34N158W TO 36N151W TO 45N143W TO 46N131W.
.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 1800 UTC TUE MAR 10.
24 HOUR FORECAST VALID 1800 UTC WED MAR 11.
48 HOUR FORECAST VALID 1800 UTC THU MAR 12.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 20N105.5W TO 20.5N106W TO 20N106.5W TO 19N106.5W TO
18.5N106W TO 19N105.5W TO 20N105.5W...INCLUDING NEAR CABO
CORRIENTES...NW TO N WINDS 20 TO 25 KT. SEAS TO 2.5 M IN S TO SW
SWELL.
.24 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF S TO SW SWELL
DESCRIBED BELOW.
.WITHIN 30N121W TO 30N128W TO 29N127W TO 28N123W TO 29N122W TO
30N121W WINDS 20 KT OR LESS. SEAS 2.5 M IN N SWELL.
.24 HOUR FORECAST WITHIN 30N119W TO 30N140W TO 20N140W TO
27N131W TO 25N127W TO 26N122W TO 30N119W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N SWELL.
.48 HOUR FORECAST WITHIN 30N119W TO 30N130W TO 23N134W TO
21N126W TO 24N125W TO 24N117W TO 30N119W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.WITHIN 18N131W TO 22N136W TO 21N139W TO 15N139W TO 14N133W TO
16N131W TO 18N131W WINDS 20 KT OR LESS. SEAS 2.5 M IN N TO NE
SWELL.
.24 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF S TO SW SWELL
DESCRIBED BELOW.
.WITHIN 08N93W TO 16N115W TO 08N140W TO 02N140W TO 03N114W TO
03.4S81W TO 08N93W...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 12N90W TO 13N106W TO 05N109W TO 04N92W
TO 01S83W TO 05N80W TO 12N90W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL. WITHIN 22N109W TO 17N130W TO 20N140W TO
06N140W TO 04N133W TO 07N110W TO 22N109W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MERING S
AND E SWELL.
.48 HOUR FORECAST WITHIN 23N134W TO 21N140W TO 04N140W TO
07N120W TO 11N116W TO 23N134W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MIXED SWELL.
.FROM 09.5N TO 10.5N BETWEEN 90W AND 92W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED S AND E SWELL.
.09 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 10N88W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 30 KT. SEAS TO 2.5 M IN S TO SW SWELL.
.24 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF S TO SW SWELL
DESCRIBED ABOVE.
.45 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15N95.5W TO
15N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...
N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS TO 3.0 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2000 UTC TUE MAR 10...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 04.5N77W TO 00.5N83W TO 01.5N93W TO
01.5N104W. ITCZ FROM 02N105W TO 02N127W TO BEYOND 01N140W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION S OF 03N BETWEEN
85W AND 96W. SCATTERED MODERATE CONVECTION FROM 04N TO 05N
BETWEEN 92W AND 105W AND FROM 01N TO 02.5N BETWEEN 123W AND 127W.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC MAR 10 2026.
24 HOUR FORECAST VALID 1800 UTC MAR 11 2026.
48 HOUR FORECAST VALID 1800 UTC MAR 12 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WEAK FRONT 30N167W 25N167W 17N172W MOVING E 15 KT AND FRONT
30N165W 19N165W NEARLY STATIONARY. WINDS 20 TO 30 KT N OF 20N
W OF 160W.
.24 HOUR FORECAST FRONT 30N159W 20N162W. STATIONARY FRONT
DISSIPATED. WINDS 20 TO 30 KT W OF 155W. WINDS 20 TO 25 KT
N OF 22N BETWEEN 160W AND 155W...AND N OF 22N W OF 170W.
.48 HOUR FORECAST FRONT 30N155W 22N160W. WINDS 20 TO 30 KT WITHIN
150 NM OF FRONT.
.48 HOUR FORECAST NEW FRONT 30N175W 27N180W. WINDS 20 TO 30 KT
N OF 22N W OF 170W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 4 TO 4.5 M N OF 23N W OF 175W. SEAS 2.5 TO 4 M ELSEWHERE
N OF LINE 15N180W 15N170W 20N165W 24N160W 30N158W.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF 25N W OF 175W. SEAS 2.5 TO 4
M
ELSEWHERE N OF LINE 25N180W 27N170W 20N160W 30N155W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF 25N W OF 173W. SEAS 2.5 TO 4
M
ELSEWHERE N OF LINE 17N180W 19N170W 20N163W 30N150W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 00N140W 01N158W... AND 07N174W 06N180W. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF ITCZ W OF 174W.
.SCATTERED MODERATE TSTMS N OF LINE 25N180W 25N170W 20N160W
30N160W...AND FROM 08N TO 16N BETWEEN 148W AND 142W...AND
WITHIN 180 NM OF POINT 23N143W.
$$
.FORECASTER PECHACEK. HONOLULU HI.=