HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN JUN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUN 21.
24 HOUR FORECAST VALID 0000 UTC JUN 22.
48 HOUR FORECAST VALID 0000 UTC JUN 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FROM 47N TO 57N BETWEEN 127W AND 135W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 34N TO 52N BETWEEN 124W
AND 135W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 35N TO 44N BETWEEN 123W AND 129W WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST FROM 38N TO 50N BETWEEN 124W AND 130W WINDS 20
TO 30 KT. SEAS TO 3 M.
.LOW W OF AREA 48N164E 1002 MB DRIFTING NW 05 KT. FROM 37N TO 53N
W OF 177W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW W OF AREA 48N169E 991 MB. FROM 36N TO 55N W
OF 167W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW WELL W OF AREA WITH NEW COMPLEX LOW TO FORM
WITH FIRST CENTER NEAR 48N162W 1012 MB AND SECOND CENTER NEAR
41N178W 1008 MB. WITHIN 540 NM S QUADRANT OF FIRST CENTER AND 420
NM SE QUADRANT OF SECOND CENTER WINDS 20 TO 30 KT. SEAS 2.5 TO
3.5 M.
.COMPLEX LOW WITH MAIN CENTER 52N157W 1011 MB MOVING NW 15 KT.
FROM 42N TO 54N BETWEEN 143W AND 164W WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST LOW 54N156W 1012 MB. ASSOCIATED CONDITIONS
DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 60 NM NE OF A
LINE FROM 49N180W TO 44N177W AND FROM 58N TO 61N BETWEEN 166W AND
170W.
.24 HOUR FORECAST DENSE FOG FROM 38N TO 50N BETWEEN 170W AND 180W
AND FROM 56N TO 58N BETWEEN 160W AND 166W.
.48 HOUR FORECAST DENSE FOG FROM 56N TO 58N BETWEEN 163W AND 167W
AND WITHIN 120 NM SE OF A LINE FROM 48N162W TO 45N164W TO 43N169W
TO 42N177W TO 39N180W.
.FORECASTER HYDE. 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 0000 UTC SUN JUN 21.
24 HOUR FORECAST VALID 0000 UTC MON JUN 22.
48 HOUR FORECAST VALID 0000 UTC TUE JUN 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 01S109W TO 02N124W TO 00N125W TO 02S120W TO 03.4S120W TO
03.4S104W TO 01S109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 00N102W TO 05N123W TO 00N131W TO
02S120W TO 03.4S120W TO 03.4S98W TO 00N102W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 01N96W TO 03N107W TO 01N112W TO
03.4S120W TO 03.4S93W TO 01N96W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0305 UTC SUN JUN 21...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 06N131W. ITCZ FROM 06N131W TO
BEYOND 05N140W. SCATTERED MODERATE FROM 04N TO 08N EAST OF
86W...FROM 02N TO 15N BETWEEN 90W AND 100W...FROM 03N TO 15N
BETWEEN 100W AND 115W.
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0000 UTC JUN 21 2026.
24 HOUR FORECAST VALID 0000 UTC JUN 22 2026.
48 HOUR FORECAST VALID 0000 UTC JUN 23 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 30N157W 24N165W MOVING E SLOWLY.
.24 HOUR FORECAST TROUGH 30N156W 25N157W.
.48 HOUR FORECAST TROUGH 30N156W 25N159W.
.TROUGH 24N165W 20N167W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 23N141W 17N142W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 20N145W 16N145W.
.48 HOUR FORECAST TROUGH 20N149W 17N148W 14N150W.
.ITCZ 04N140W 05N165W 03N176W...SCATTERED MODERATE TSTMS WITHIN
300 NM OF ITCZ.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER ENTIRE FORECAST
AREA.
$$
.FORECASTER FOSTER. HONOLULU HI.=