HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC WED MAR 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 11.
24 HOUR FORECAST VALID 0600 UTC MAR 12.
48 HOUR FORECAST VALID 0600 UTC MAR 13.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 36N170W 995 MB MOVING W 15 KT AND
SECOND CENTER 35N177W 992 MB MOVING SE 05 KT. FROM 38N TO 44N W
OF 162W WINDS 40 TO 55 KT. SEAS 7 TO 10.5 M. ELSEWHERE S OF 49N W
OF 158W...EXCEPT S OF 35N BETWEEN 165W AND 171W...WINDS 25 TO 40
KT. SEAS 3 TO 7 M...HIGHEST N AND W OF CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 36N180W 993 MB
AND SECOND CENTER 33N177W 995 MB. FROM 37N TO 44N W OF 156W WINDS
40 TO 50 KT. SEAS 6 TO 10.5 M...HIGHEST N OF SECOND CENTER.
ELSEWHERE S OF 49N W OF 150W...EXCEPT WITHIN 240 NM OF
34N163W...WINDS 25 TO 40 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST COMBINED LOW 32N173W 997 MB. FROM 37N TO 42N W
OF 161W WINDS 35 TO 45 KT. SEAS 6 TO 8.5 M. ALSO WITHIN 360 NM W
SEMICIRCLE...AND FROM 35N TO 47N W OF 150W WINDS 25 TO 35 KT.
SEAS 3 TO 7 M. ELSEWHERE S OF 48N W OF 148W WINDS TO 25 KT. SEAS
2.5 TO 5 M.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 57N149W 1001 MB MOVING S 10 KT.
AND SECOND CENTER 52N146W 1004 MB MOVING E 15 KT. NW OF A LINE
FROM 52N162W TO 57N150W WINDS 35 TO 45 KT. SEAS 3 TO 5.5 M.
ELSEWHERE N OF 46N BETWEEN 146W AND 167W WINDS 25 TO 35 KT. SEAS
2.5 TO 5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N149W 1012 MB
AND SECOND CENTER 52N137W 1006 MB. WITHIN 240 NM EITHER SIDE OF A
LINE FROM 48N125W TO 49N140W TO 56N156W WINDS 25 TO 40 KT. SEAS
2.5 TO 5.5 M...HIGHEST NEAR 49N133W.
.48 HOUR FORECAST COMPLEX LOW DISSIPATED AND ASSOCIATED
CONDITIONS DIMINISHED.
...GALE WARNING...
.12 HOUR FORECAST LOW 48N131W 1008 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED WITH LOW 52N137W ABOVE.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW NEAR 41N150W 1016 MB. WITHIN 420 NM NW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 53N BETWEEN 151W AND 170W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 49N BETWEEN 149W
AND 173W...AND WITHIN 90 NM OF S ALASKAN COAST BETWEEN 137W AND
149W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE
FROM 54N160W TO 58N150W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 50N BETWEEN 149W AND 161W...AND N OF 57N BETWEEN 136W
AND 149W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY WITHIN 180 NM
OF S ALASKAN COAST BETWEEN 134W AND 159W...WITHIN BRISTOL
BAY...AND N OF 58N W OF 175W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM EITHER
SIDE OF A LINE FROM 37N170W TO 40N154W TO 46N136W...N OF 47N
BETWEEN 138W AND 157W...AND N OF 57N BETWEEN 173W AND 177W.
.24 HOUR FORECAST DENSE FOG FROM 35N TO 45N BETWEEN 147W AND
162W...AND FROM 49N TO 60N E OF 156W.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM EITHER SIDE OF A LINE
FROM 37N165W TO 48N125W...NE OF A LINE FROM 53N137W TO
59N146W...AND WITHIN BRISTOL BAY.
.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 WED MAR 11.
24 HOUR FORECAST VALID 0600 UTC THU MAR 12.
48 HOUR FORECAST VALID 0600 UTC FRI MAR 13.
.WARNINGS.
...GALE WARNING...
.30 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
25 TO 35 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 14N96W TO 13N96W TO
13N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 30 TO 40 KT. SEAS 2.5 TO 5.5 M.
WITHIN 14N93W TO 16N94W TO 15N96W TO 11N98W TO 11N97W TO 12N95W
TO 14N93W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.SYNOPSIS AND FORECAST.
.WITHIN 18N114W TO 19N138W TO 07N139W TO 04N131W TO 07N117W TO
06N95W TO 18N114W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 12N111W TO 18N130W TO 24N140W TO
03N140W TO 10N114W TO 12N111W NE TO E WINDS 20 TO 25 KT. SEAS
2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 18N124W TO 20N140W TO 03N140W TO
06N122W TO 10N121W TO 18N124W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE TO E SWELL.
.WITHIN 19N104W TO 21N105W TO 19N110W TO 16N108W TO 15N106W TO
16N104W TO 19N104W...INCLUDING NEAR CABO CORRIENTES... NW TO N
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 11N86W TO 12N86W TO 12N88W TO 11N89W TO 10N89W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 12N86W TO 12N87W TO 11N89W TO 10N89W
TO 10N87W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N87W TO 10N88W
TO 10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.WITHIN 30N120W TO 30N128W TO 29N126W TO 28N123W TO 29N121W TO
30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 30N118W TO 30N140W TO 25N138W TO
21N132W TO 23N124W TO 30N118W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 30N124W TO 30N128W TO 28N125W TO
28N124W TO 30N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.WITHIN 04N91W TO 05N93W TO 04N94W TO 01N94W TO 01S93W TO 01N91W
TO 04N91W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. WITHIN 00N82W TO
01N87W TO 01S89W TO 03S87W TO 03.4S82W TO 00N82W...EXCEPT LEE OF
GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.18 HOUR FORECAST WITHIN 27N109W TO 29N113W TO 28N113W TO
24N111W TO 23N109W TO 24N108W TO 27N109W...INCLUDING THE GULF OF
CALIFORNIA... NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 28N111W TO 29N112W TO 28N113W TO
26N111W TO 27N110W TO 28N111W...INCLUDING THE GULF OF
CALIFORNIA... NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0900 UTC WED MAR 11...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 05N77W TO 01N91W TO 00N101W. THE
ITCZ IS ANALYZED FROM 00N103W TO 00N122W AND BEYOND 01N140W.
SCATTERED MODERATE FROM 01S TO 03S BETWEEN 96W AND 105W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC MAR 11 2026.
24 HOUR FORECAST VALID 0600 UTC MAR 12 2026.
48 HOUR FORECAST VALID 0600 UTC MAR 13 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 30N161W 26N161W 23N162W 19N164W 16N167W 12N172W MOVING E
10 KT. S WINDS 20 TO 30 KT N OF 20N BETWEEN TROUGH AND 155W.
NUMEROUS MODERATE TO STRONG TSTMS WITHIN 270 NM E OF FRONT AND
TROUGH...AND WITHIN 90 NM W OF FRONT AND TROUGH N OF 17N.
.24 HOUR FORECAST TROUGH 30N157W 26N157W 22N161W 17N167W 14N174W.
S WINDS 20 TO 30 KT N OF 23N BETWEEN 158W AND 151W.
.48 HOUR FORECAST TROUGH DISSIPATED. WINDS DECREASED TO 20 KT OR
LESS.
.TROUGH 30N170W 28N170W 26N171W 24N173W 23N178W 22N180W MOVING ENE
25 KT. NW TO W WINDS 20 TO 25 KT N OF 21N W OF 170W. SCATTERED
MODERATE TSTMS WITHIN 120 NM OF TROUGH N OF 25N.
.24 HOUR FORECAST TROUGH MOVED N OF AREA. WINDS INCLUDED WITH
FEATURE BELOW.
.24 HOUR FORECAST NEW TROUGH NW OF AREA. WNW WINDS 20 TO 30 KT N
OF 23N W OF 170W.
.48 HOUR FORECAST TROUGH 30N162W 24N162W 13N173W. S WINDS 20 TO 30
KT N OF 20N WITHIN 210 NM E OF TROUGH...AND WITHIN 90 NM W OF
TROUGH. NW WINDS 20 TO 30 KT N OF 21N W OF 170W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 4 TO 5.5 M N OF A LINE 30N172W 22N175W 21N180W. SEAS 2.5 TO
4 M ELSEWHERE N OF 16N W OF 158W.
.24 HOUR FORECAST SEAS 4 TO 5 M NW OF A LINE 30N170W 20N180E. SEAS
2.5 TO 4 M ELSEWHERE N OF LINE 30N151W 22N153W 11N180W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF 22N W OF 170W. SEAS 2.5 TO 4
M ELSEWHERE N OF LINE 30N149W 08N180W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 01N140W 01N158W... AND 06N179W 06N180W.
.SCATTERED MODERATE TSTMS FROM 11N TO 14N BETWEEN 142W AND
147W...AND FROM 20N TO 24N E OF 143W.
$$
.FORECASTER TSAMOUS. HONOLULU HI.=