HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC WED SEP 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
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 SEP 16.
24 HOUR FORECAST VALID 0600 UTC SEP 17.
48 HOUR FORECAST VALID 0600 UTC SEP 18.
.WARNINGS.
...GALE WARNING...
.LOW 63N163W 988 MB MOVING NE 20 KT. WITHIN 300 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN THE BERING SEA
N OF 55N E OF 178W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...HIGHEST S
OF CENTER.
.24 HOUR FORECAST LOW INLAND 68N153W 1005 MB. CONDITIONS
DIMINISHED.
...GALE WARNING...
.48 HOUR FORECAST LOW 55N178E 1009 MB. BETWEEN 120 NM AND 360 NM
S AND SW QUADRANTS WINDS 25 T0 35 KT. SEAS TO 3 M. ELSEWHERE
WITHIN 480 NM SW SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
.SYNOPSIS AND FORECAST.
.S OF 50N BETWEEN 120W AND 131W AREA OF N TO NW WINDS TO 25 KT.
SEAS TO 3 M.
.24 HOUR FORECAST FROM 36N TO 52N BETWEEN 123W AND 132W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 41N TO 50N BETWEEN 125W AND 131W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.LOW 61N149W 1011 MB MOVING NE 05 KT. WITHIN 240 NM SE OF A FRONT
FROM LOW CENTER TO 56N150W TO 51N55W WINDS 20 TO 30 KT. SEAS TO 3
M.
.24 HOUR FORECAST LOW 60N148W 1015 MB. WITHIN 540 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
.COMPLEX LOW WITH MEAN CENTER S OF AREA NEAR 28N178W 1007 MB
MOVING SW 10 KT. S OF 42N W OF 167W WINDS 20 TO 30 KT. SEAS 2.5
TO 4.5 M...HIGHEST NW OF MEAN CENTER.
.24 HOUR FORECAST COMBINED LOW SW OF AREA. S OF 36N W OF 172W
AREA OF SE TO E WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS W OF AREA.
.LOW W OF AREA 57N170E 996 MB MOVING NE 10 KT. WITHIN 600 NM SE
QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 59N177W 1003 MB. WITHIN 720 NM SE AND 540
NM S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 61N166W 1005
MB. BETWEEN 180 NM AND 600 NM S QUADRANT WINDS TO 25 KT. SEAS TO
3 M.
.48 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER NEAR 50N147W
1014 MB. WITHIN 240 NM EITHER SIDE OF A LINE FROM 42N159W TO
52N140W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 48N177W 1015 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 20 T0 30 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM EITHER
SIDE OF A LINE FROM 46N161W TO 59N150W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM EITHER SIDE OF A LINE
FROM 46N155W TO 53N147W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM EITHER SIDE OF A LINE
FROM 48N148W TO 54N140W...AND FROM 45N TO 50N W OF 172W.
.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 SEP 16.
24 HOUR FORECAST VALID 0600 UTC THU SEP 17.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 18.
.WARNINGS.
...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15.5N95.5W TO
15.5N93.5W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N
WINDS 25 TO 35 KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 15N94W
TO 15N96W TO 14N97W TO 14N96W TO 14N95W TO 15N94W N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N97W TO 13N96W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
25 TO 35 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 16.5N94.5W TO 16.5N95W TO 16N95.5W TO
15.5N95.5W TO 15.5N94W TO 16.5N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 25 TO 35 KT. SEAS LESS THAN 2.5 M.
ELSEWHERE WITHIN 15N94W TO 15N96W TO 14N96W TO 15N95W TO 15N94W N
TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.SYNOPSIS AND FORECAST.
.WITHIN 24N127W TO 26N140W TO 20N140W TO 13N129W TO 15N121W TO
24N127W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.24 HOUR FORECAST WITHIN 21N122W TO 25N140W TO 14N140W TO
14N124W TO 21N122W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 23N126W TO 24N140W TO 12N140W TO
19N129W TO 23N126W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M
IN E SWELL.
.WITHIN 11N86W TO 12N88W TO 11N90W TO 10N90W TO 10N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 06N107W TO 07N116W TO 00N125W TO 03.4S120W TO 03.4S104W
TO 06N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.24 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 0830 UTC WED SEP 16...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 08N95W TO 1007 MB LOW PRESSURE NEAR
15N126W...THEN FROM 13N130W TO BEYOND 11N140W. SCATTERED MODERATE
FROM 05N TO 10N BETWEEN 85W AND 95W...FROM 10N TO 15N BETWEEN
105W
AND 115W...FROM 12N TO 15N BETWEEN 122W AND 128W...AND FROM 09N
TO 12N BETWEEN 135W AND 140W.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC SEP 16 2026.
24 HOUR FORECAST VALID 0600 UTC SEP 17 2026.
48 HOUR FORECAST VALID 0600 UTC SEP 18 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW NEAR 11N153W 1008 MB MOVING W 10 KT. SCATTERED MODERATE
TSTMS FROM LOW TO 16N BETWEEN 150W AND 155W.
.24 HOUR FORECAST LOW NEAR 11N157W.
.48 HOUR FORECAST LOW WEAKENED TO TROUGH FROM 12N158W TO 09N160W.
.TROUGH FROM 24N144W TO 20N147W TO 16N149W MOVING W 15 KT. WINDS
20 TO 25 KT FROM 20N TO 24N BETWEEN 145W AND 149W. SEAS 2.5 TO 3 M
FROM 20N TO 25 N E OF 149W.
.24 HOUR FORECAST TROUGH FROM 21N153W TO 18N154W. WINDS 20 TO 25
KT W OF TROUGH TO 140W. SEAS 2.5 TO 3 M BETWEEN TWO LINE FROM
15N140W TO 22N154W AND 25N140W TO 25N153W.
.48 HOUR FORECAST TROUGH FROM 21N158W TO 19N160W. WINDS LOWERED
TO 20 KT OR LESS. SEAS 2.5 TO 3 M FROM 15N TO 25 N E OF 153W.
.LOW NEAR 28N179W 1007 MB MOVING SLOWLY WSW. FRONT FROM 30N173W
TO 24N175W TO 21N180W MOVING W SLOWLY. LEADING TROUGH FROM
30N173W TO 24N172W TO 18N173W MOVING W SLOWLY. WINDS 20 TO 25 KT
N OF 28N BETWEEN 172W AND 175W. SEAS 2.5 TO 4 M W OF LINE FROM
30N173W TO 26N180W. SCATTERED MODERATE TSTMS WITHIN 60 NM EITHER
SIDE OF FRONT N OF 25N AND WITHIN 120 NM EITHER SIDE OF TROUGH.
.24 HOUR FORECAST LOW...FRONT AND TROUGH MOVED W OF AREA. WINDS
LOWERING TO 20 KT OR LESS WITH SEAS SUBSIDING TO 2.5 M OR LOWER.
.OTHERWISE...WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER THE
REMAINDER OF FORECAST AREA.
.SCATTERED MODERATE TSTMS W OF A LINE FROM 04N180W TO 13N171W.
.MONSOON TROUGH FROM 11N140W TO 10N150W...AND FROM FIRST LOW
MENTIONED ABOVE AT 11N153W TO 09N162W. SCATTERED MODERATE TSTMS
FROM 05N TO 14N E OF 145W.
$$
.FORECASTER BLOOD . HONOLULU HI.=