HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC FRI MAY 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 29.
24 HOUR FORECAST VALID 0600 UTC MAY 30.
48 HOUR FORECAST VALID 0600 UTC MAY 31.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FROM 44N TO 51N E OF 131W AREA OF NW WINDS 20 TO 30 KT SEAS TO
3.5 M. ELSEWHERE S OF 52N BETWEEN 120W AND 137W AREA OF N TO NW
WINDS TO 25 KT.
SEAS TO 3.5 M.
.24 HOUR FORECAST S OF 49N BETWEEN 118W AND 132W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST S OF 44N BETWEEN 117W AND 129W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS TO 5 M.
.LOW 57N145W 1007 MB MOVING SW 05 KT. FROM 44N TO 55N BETWEEN
134W AND 156W WINDS TO 25 KT. SEAS TO 3.5 M. ELSEWHERE S OF 55N
BETWEEN 132W AND 140W WINDS LESS THAN 25 KT. SEAS TO 2.5 M IN
MIXED SWELL.
.24 HOUR FORECAST LOW 55N146W 1010 MB. FROM 40N TO 55N BETWEEN
132W AND 146W WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.
.LOW 57N178E 1008 MB MOVING SE 30 KT. FROM 46N TO 54N W OF 160W
WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 53N163E 1008 MB. FROM 42N TO 51N W OF 153W
WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 47N158W 999 MB. FROM 36N TO 52N BETWEEN
148W AND 173W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.S OF 36N BETWEEN 152W AND 175W AREA OF NE TO E WINDS TO 25 KT.
SEAS TO 3 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.48 HOUR FORECAST N OF 51N W OF 178E AREA OF SE WINDS 20 TO 30
KT. SEAS TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 55N TO 57N
BETWEEN 159W AND 162W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 49N W OF 168W.
.48 HOUR FORECAST DENSE FOG FROM 39N TO 44N W OF 174W.
.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 0600 UTC FRI MAY 29.
24 HOUR FORECAST VALID 0600 UTC SAT MAY 30.
48 HOUR FORECAST VALID 0600 UTC SUN MAY 31.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 30N119W TO 30N140W TO 13N140W TO 20N128W TO 22N118W TO
30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 30N120W TO 30N130W TO 29N130W TO
29N125W TO 29N121W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL. WITHIN 21N112W TO 21N140W TO 10N140W TO
09N130W TO 11N115W TO 15N110W TO 21N112W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 23N114W TO 20N140W TO 10N140W TO
08N133W TO 11N99W TO 23N114W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN W TO NW SWELL.
.WITHIN 01S90W TO 01S93W TO 02S94W TO 02S97W TO 03.4S100W TO
03.4S88W TO 01S90W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.24 HOUR FORECAST WITHIN 02N82W TO 06N122W TO 00N130W TO
03.4S120W TO 03.4S81W TO 02N82W...EXCEPT LEE OF GALAPAGOS
ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.48 HOUR FORECAST WITHIN 07N94W TO 09N99W TO 10N127W TO 00N129W
TO 03.4S120W TO 03.4S89W TO 07N94W...EXCEPT LEE OF GALAPAGOS
ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.42 HOUR FORECAST WITHIN 30N116W TO 30N123W TO 29N120W TO
28N117W TO 28N115W TO 30N116W...INCLUDING SEBASTIAN VIZCAINO
BAY... NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N116W TO 30N125W TO 29N122W TO
28N119W TO 27N117W TO 28N115W TO 30N116W...INCLUDING SEBASTIAN
VIZCAINO BAY... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0900 UTC FRI MAY 29...
.TROPICAL WAVE ALONG 95W...SCATTERED MODERATE FROM 03N TO 16N
BETWEEN 90W AND 100W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM NORTHWEST COLOMBIA
SOUTHWESTWARD TO 08N82W AND CONTINUES NORTHWESTWARD TO 11N102W
TO 08N122W. THE ITCZ BEGINS NEAR 06N132W AND CONTINUES BEYOND
07N140W. ASIDE FROM THE CONVECTION ASSOCIATED WITH THE TROPICAL
WAVE...NUMEROUS MODERATE TO STRONG FROM 02N TO 13N BETWEEN 77W
AND 89W. OTHERWISE...SCATTERED MODERATE ISOLATED STRONG FROM 02N
TO 13N BETWEEN 100W AND 128W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC MAY 29 2026.
24 HOUR FORECAST VALID 0600 UTC MAY 30 2026.
48 HOUR FORECAST VALID 0600 UTC MAY 31 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 13N141W 05N145W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH 16N147W 10N147W.
.48 HOUR FORECAST TROUGH 20N151W 10N151W.
.TROUGH 07N168W 04N180W MOVING W SLOWLY. ISOLATED STRONG TSTMS
WITHIN 300 NM OF TROUGH.
.24 HOUR FORECAST NEW LOW 06N179W 1009 MB. TROUGH 07N169W 07N177W
TO LOW TO 05N180W.
.48 HOUR FORECAST LOW 08N180W 1009 MB. TROUGH 12N167W 10N170W TO
LOW TO 07N180W.
.WINDS 20 TO 25 KT FROM 16N TO 20N E OF 147W...AND N OF 20N
BETWEEN
160W AND 180W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 16N TO 19N E OF 147W.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M BETWEEN 15N AND 27N E OF 147W...
AND N OF 20N W OF 168W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 14N TO 20N E OF 149W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 12N TO 20N E OF 150W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 07N140W 08N142W...AND 04N148W 03N156W 06N165W. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS WITHIN 210 NM OF ITCZ W OF 155W.
$$
.FORECASTER M BALLARD. HONOLULU HI.=