HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 10.
24 HOUR FORECAST VALID 1200 UTC MAR 11.
48 HOUR FORECAST VALID 1200 UTC MAR 12.
.WARNINGS.
...STORM WARNING...
.LOW 35N173W 990 MB MOVING NW 05 KT. FROM 37N TO 43N BETWEEN 161W
AND 180W WINDS 40 TO 55 KT. SEAS 5 TO 10 M. ELSEWHERE S OF 48N W
OF 155W WINDS 25 TO 40 KT. SEAS 3 TO TO 8 M...HIGHEST 180W.
.24 HOUR FORECAST LOW 32N174W 995 MB. FROM 37N TO 45N W OF 157W
WINDS 40 TO 55 KT. SEAS 4.5 TO 9.5 M. ELSEWHERE...EXCEPT WHERE
DESCRIBED BELOW...S OF 49N W OF 150W WINDS 25 TO 40 KT. SEAS 3 TO
7.5 M...HIGHEST NEAR 180W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 32N175W 996 MB.
FROM 35N TO 44N W OF 155W WINDS 35 TO 50 KT. SEAS 5 TO 10 M.
ELSEWHERE S OF 48N W OF 135W WINDS 25 TO 35 KT. SEAS 2.5 TO 8
M...HIGHEST NEAR 180W.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 58N149W 1002 MB MOVING S 05 KT.
WITHIN 360 NM W QUADRANT WINDS 30 TO 45 KT. SEAS TO 4 M.
ELSEWHERE N OF A LINE FROM 48N157W TO 43N129W WINDS 20 TO 30 KT.
SEAS 2.5 TO 5 M.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 57N148W 1001 MB.
WITHIN 420 NM W QUADRANT WINDS 35 TO 50 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N148W 1003 MB.
WITHIN 600 NM W QUADRANT WINDS 30 TO 45 KT. SEAS 2.5 TO 4.5 M.
ELSEWHERE WITHIN 720 NM SW AND 660 NM NW QUADRANTS AND N OF 57N E
OF 148W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW DISSIPATED. CONDITIONS DESCRIBED
BELOW WITH LOW 52N137W.
...GALE WARNING...
.LOW 52N158W 1017 MB MOVING E 20 KT. N OF 50N BETWEEN 157W AND
171W WINDS 25 TO 40 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 52N144W 1003 MB. FROM 45N TO 53N BETWEEN
140W AND 151W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 52N137W 1008 MB. FROM 45N TO 53N E OF 137W
WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE WITHIN 360 NM SW AND
600 NM NW QUADRANTS AND BETWEEN 240 NM AND 480 NM NE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
...GALE WARNING...
.S OF 41N BETWEEN 121W AND 128W AREA OF N WINDS 25 TO 35 KT. SEAS
2.5 TO 4.5 M.
.24 HOUR FORECAST S OF 40N BETWEEN 121W AND 126W AREA OF N WINDS
20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST S OF 39N BETWEEN 120W AND 127W AREA OF N WINDS
TO 25 KT. SEAS TO 3 M.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW TO FORM NEAR 45N138W 1010 MB. FROM 39N
TO 46N BETWEEN 123W AND 145W WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW MOVED WELL INLAND. CONDITIONS DESCRIBED
ABOVE WITH LOW 52N137W.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 55N BETWEEN 151W AND
168W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
61N180W TO 54N171W TO 51N160W TO 53N145W AND N OF 59N E OF 145W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 55N
BETWEEN 151W AND 166W AND N OF 60N BETWEEN 144W AND 148W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
57N173W TO 52N167W TO 50N147W AND N OF 59N E OF 147W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 55N
BETWEEN 151W AND 163W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF A LINE FROM 56N169W TO 50N156W TO 59N145W TO 58N137W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 37N TO 44N
BETWEEN 148W AND 170W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 49N BETWEEN 130W AND
143W...FROM 51N TO 58N BETWEEN 144W AND 154W...AND WITHIN 60 NM N
OF A LINE FROM 37N167W TO 38N156W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 48N BETWEEN 138W AND 151W
AND FROM 36N TO 42N BETWEEN 148W AND 159W.
.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 1200 UTC TUE MAR 10.
24 HOUR FORECAST VALID 1200 UTC WED MAR 11.
48 HOUR FORECAST VALID 1200 UTC THU MAR 12.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 11N86W TO 11N89W TO 10N91W TO 10N90W 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 11N86W TO 11N88W TO 11N89W TO 10N90W TO
10N88W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS TO 3.0 M IN S TO SW SWELL. ELSEWHERE
WITHIN 11N87W TO 12N88W TO 12N90W TO 10N90W TO 09N89W TO 10N87W
TO 11N87W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED E AND S SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 10N103W TO 12N128W TO 07N136W TO 03N114W TO 03.4S105W TO
03.4S82W TO 10N103W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN PRIMARILY S TO SW SWELL.
.24 HOUR FORECAST WITHIN 17N130W TO 18N131W TO 15N132W TO
12N133W TO 09N133W TO 11N131W TO 17N130W NE TO E WINDS 20 TO 25
KT. SEAS 2.5 M IN MIXED E AND N SWELL. ELSEWHERE WITHIN 16N112W
TO 17N124W TO 15N135W TO 07N138W TO 05N130W TO 09N112W TO 16N112W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MERGING S AND N SWELL.
WITHIN 07N90W TO 10N93W TO 09N102W TO 11N108W TO 06N110W TO
03N98W TO 07N90W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
.48 HOUR FORECAST WITHIN 15N122W TO 21N140W TO 05N140W TO
06N128W TO 10N115W TO 15N122W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MERGING N AND E SWELL.
.WITHIN 26.5N114W TO 26.5N114.5W TO 26.5N115W TO 26.5N114.5W TO
26N114W TO 26.5N114W...INCLUDING WITHIN 60 NM OF SHORE... NW
WINDS 20 TO 25 KT. SEAS 2.5 M IN NW SWELL. WITHIN 20N105.5W TO
20N106W TO 19.5N106W TO 19N105.5W TO 19N105W TO
20N105.5W...INCLUDING
NEAR CABO CORRIENTES...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST WITHIN 20N106W TO 20N107W TO 19N106W TO
18N105W TO 20N106W...INCLUDING NEAR CABO CORRIENTES...NW TO N
WINDS 20 TO 25 KT. SEAS TO 2.5 M IN S TO SW SWELL. ELSEWHERE
WITHIN 18N105W TO 20N106W TO 18N109W TO 17N109W TO 16N107W TO
17N105W TO 18N105W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 30N122W TO 30N126W TO 29N126W TO 29N124W TO 29N123W TO
30N122W WINDS 20 KT OR LESS. SEAS 2.5 M IN N SWELL.
.24 HOUR FORECAST WITHIN 30N120W TO 30N135W TO 28N126W TO
28N122W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 M IN N SWELL.
.48 HOUR FORECAST WITHIN 30N118W TO 30N129W TO 25N133W TO
20N132W TO 24N127W TO 26N118W TO 30N118W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC TUE MAR 10...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 08.55N84W TO 01N104W. ITCZ FROM
01.5S110W TO BEYOND 00N140W. SCATTERED TO NUMEROUS MODERATE
ISOLATED STRONG CONVECTION S OF 02N BETWEEN 84.5W AND 94.5W.
SCATTERED MODERATE CONVECTION FROM 03.5N TO 05.5N BETWEEN 95W
AND 105W AND FROM 01N TO 11.5N BETWEEN 120W AND 130W.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1200 UTC MAR 10 2026.
24 HOUR FORECAST VALID 1200 UTC MAR 11 2026.
48 HOUR FORECAST VALID 1200 UTC MAR 12 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N165W 23N167W 18N172W 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 N OF 21N
BETWEEN 170W AND 161W... AND N OF 25N W OF 174W.
.24 HOUR FORECAST FRONT 30N159W 23N162W 19N168W. TROUGH MERGED
WITH FRONT. WINDS 20 TO 30 KT N OF 20N BETWEEN FRONT AND 155W...
AND N OF 20N W OF 168W.
.48 HOUR FORECAST WEAK FRONT 30N158W 2N160W 20N164W. WINDS 20 TO
30 KT N OF 22N W OF 170W... AND N OF 24N BETWEEN FRONT AND 151W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 06N TO 14N E OF 155W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 4 TO 5 M N OF 22N W OF 168W. SEAS 2.5 TO 4 M ELSEWHERE N OF
LINE 16N180W 17N168W 23N158W 30N157W.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF 21N W OF 171W... AND N OF 23N
BETWEEN 161W AND 158W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 16N180W
17N165W 25N155W 30N154W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 20N180W 30N168W. SEAS
2.5
TO 4 M ELSEWHERE N OF LINE 14N180W 20N165W 25N154W 30N152W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 00N140W 01N158W... AND 07N174W 06N180W.
.SCATTERED MODERATE TSTMS FROM 10N TO 17N BETWEEN 150W AND
143W... AND FROM 20N TO 23N BETWEEN 146W AND 142W.
$$
.FORECASTER SHIGESATO. HONOLULU HI.=