HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED MAR 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04.
24 HOUR FORECAST VALID 1800 UTC MAR 05.
48 HOUR FORECAST VALID 1800 UTC MAR 06.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 43N178W 986 MB MOVING SE 15 KT.
WITHIN 300 NM N QUADRANT WINDS 35 TO 45 KT. SEAS 5 TO 7 M.
ELSEWHERE S OF 54N W OF 144W WINDS 25 TO 40 KT. SEAS 2.5 TO 6
M...HIGHEST W OF 175W.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 43N178W 987
MB. WITHIN 240 NM N QUADRANT WINDS 40 TO 50 KT. SEAS 5.5 TO 7 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 48N166W 987 MB. S
OF 57N W OF 158W AND WITHIN 540 NM S...SE...AND E OF A LINE FROM
52N143W TO 45N160W TO 30N168W WINDS 25 TO 40 KT. SEAS 2.5 TO 7
M...HIGHEST NEAR 41N177W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 59N152W 969 MB.
WITHIN 360 NM SE AND S QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 6.5
M...HIGHEST NEAR 53N152W. ELSEWHERE N OF 49N W OF 130W WINDS 25
TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST NEAR 51N155W. ALSO WITHIN 540
NM E AND SE OF FRONT FROM 49N147W TO 41N156W TO 33N161W WINDS 20
TO 30 KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 60N142W 994 MB MOVING E 10 KT. E OF
A LINE FROM 59N154W TO 50N139W TO 41N135W WINDS 25 TO 35 KT. SEAS
2.5 TO 5.5 M...HIGHEST NEAR 53N136W.
.24 HOUR FORECAST COMPLEX LOW DISSIPATED INLAND AND ASSOCIATED
CONDITIONS DIMINISHED.
...GALE WARNING...
.S OF 39N BETWEEN 118W AND 124W AREA OF N TO NW WINDS 20 TO 30
KT. SEAS TO 3 M.
.24 HOUR FORECAST S OF 41N BETWEEN 118W AND 130W AREA OF N TO NW
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST S OF 42N BETWEEN 119W AND 131W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.24 HOUR FORECAST LOW 48N180W 1005 MB. WITHIN 480 NM NW QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE W OF A LINE FROM
51N178E TO 60N177W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 43N169W 1011 MB. S OF 47N W OF 153W WINDS
TO 25 KT. SEAS 2.5 TO 4.5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 61N179W TO
56N171W TO 56N161W AND WITHIN THE COOK INLET AND SHELIKOF STRAIT.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
56N174E TO 51N177W TO 53N162W TO 60N143W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 60N180W TO 56N169W TO 56N161W AND WITHIN THE COOK INLET.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
52N172E TO 51N169W TO 60N148W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 60N179E TO 56N170W TO 56N161W. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY WITHIN THE COOK INLET AND N OF A LINE FROM 54N172E
TO 50N166W TO 56N155W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NW AND
N OF A LINE FROM 45N180W TO 51N165W TO 53N153W TO 50N143W AND
FROM 34N TO 47N BETWEEN 155W AND 168W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 55N BETWEEN 143W AND 171W
AND N OF 58N E OF 151W.
.48 HOUR FORECAST DENSE FOG FROM 51N TO 55N BETWEEN 132W AND 144W
AND FROM 44N TO 47N BETWEEN 160W AND 163W.
.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 WED MAR 4.
24 HOUR FORECAST VALID 1800 UTC THU MAR 5.
48 HOUR FORECAST VALID 1800 UTC FRI MAR 6.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 22N134W TO 24N138W TO 23N140W TO 19N140W TO 20N137W TO
20N135W TO 22N134W NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M IN
NE TO E SWELL. ELSEWHERE WITHIN 22N137W TO 22N138W TO 22N139W TO
23N140W TO 18N140W TO 21N139W TO 22N137W WINDS 20 KT OR LESS.
SEAS 2.5 M IN NE TO E SWELL. WITHIN 08N137W TO 07N138W TO
08N140W TO 06N140W TO 06N139W TO 07N137W TO 08N137W WINDS 20 KT
OR LESS. SEAS 2.5 M IN MIXED N AND E SWELL.
.24 HOUR FORECAST WITHIN 27N127W TO 28N131W TO 28N133W TO
28N135W TO 26N135W TO 25N129W TO 27N127W NE WINDS 20 TO 25 KT.
SEAS 2.5 M IN NE SWELL. ELSEWHERE WITHIN 24N128W TO 26N132W TO
27N140W TO 15N140W TO 14N137W TO 24N128W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED NE AND E SWELL.
.48 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF WINDS AND
SEAS DESCRIBED BELOW.
.WITHIN 10.5N89W TO 10.5N90.5W TO 10N90.5W TO 09.5N90W TO
10N89.5W TO 10.5N89W NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M IN
E SWELL. ELSEWHERE WITHIN 10N89W TO 10N90W TO 10N91W TO 09N91W
TO 09N90W TO 09N89W TO 10N89W WINDS 20 KT OR LESS. SEAS 2.5 M IN
NE TO E SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.06 HOUR FORECAST WITHIN 30N121W TO 30N125W TO 29N125W TO
29N123W TO 29N121W TO 30N121W N WINDS 20 TO 25 KT. SEAS TO 2.5 M
IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 30N118W TO 30N130W TO 29N130W TO
27N126W TO 29N120W TO 30N118W N WINDS 20 TO 30 KT. SEAS 3.0 TO
4.0 M IN N TO NE SWELL.ELSEWHERE WITHIN 30N117W TO 28N123W TO
30N131W TO 28N132W TO 25N128W TO 25N122W TO 30N117W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 30N122W TO 30N131W TO 26N140W TO
18N140W TO 19N131W TO 23N130W TO 30N122W NE WINDS 20 TO 25 KT
EXCEPT N TO NE WINDS E OF 130W. SEAS 3.0 TO 4.0 M IN N TO NE
SWELL. ELSEWHERE WITHIN 23N118W TO 30N117W TO 24N129W TO 18N140W
TO 07N140W TO 18N130W TO 23N118W WINDS 20 KT OR LESS. SEAS 2.5
TO 4.0 M IN N TO NE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2000 UTC WED MAR 4...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 08N84W TO 02.5N93W TO 02.5N111W.
ITCZ EXTENDS FROM 02.5N113W TO 04.5N124W TO BEYOND 04N140W.
SCATTERED MODERATE CONVECTION ALONG THE TROUGH BETWEEN 83W AND
88.5W AND ALSO S OF 02S BETWEEN 122W AND 126W. SCATTERED
MODERATE TO STRONG CONVECTION NEAR THE ITCZ FROM 02N TO 07N W OF
125W.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC MAR 04 2026.
24 HOUR FORECAST VALID 1800 UTC MAR 05 2026.
48 HOUR FORECAST VALID 1800 UTC MAR 06 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N171W 23N180W NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 300 NM E AND SE OF FRONT.
.24 HOUR FORECAST FRONT 30N168W 26N170W 18N180W. WINDS 20 TO 30 KT
BETWEEN FRONT AND 160W N OF 26N.
.48 HOUR FORECAST FRONT 30N163W 23N170W THENCE TROUGH 17N176W.
WINDS 20 TO 25 KT WITHIN 180 NM N OF FRONT E OF 170W.
.12 HOUR FORECAST NEW FRONT 30N177W 27N180W. WINDS 20 TO 25 KT N
OF FRONT.
.24 HOUR FORECAST WEAK FRONT 30N172W 24N180W 22N170E. WINDS EASED
TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT DISSIPATED.
.WINDS 20 TO 25 KT FROM 07N TO 27N E OF 160W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 08N E OF 160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 09N E OF 155W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M IN AREA BOUNDED BY 25N155W 23N140W 05N140W
05N170W 25N155W...AND N OF LINE 30N176W 26N180W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 06N140W 04N164W
27N165W 20N180W...EXCEPT SEAS LESS THAN 2.5 M N OF 28N E OF 157W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 07N140W 08N160W
25N165W 20N180W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 03N140W 02N150W AND FROM 04N154W 05N167W 05N180W. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF ITCZ.
$$
.FORECASTER WROE. HONOLULU HI.=