HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED JUN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUN 17.
24 HOUR FORECAST VALID 1800 UTC JUN 18.
48 HOUR FORECAST VALID 1800 UTC JUN 19.
.WARNINGS.
...GALE WARNING...
.FROM 39N TO 44N BETWEEN 124W AND 130W AREA OF N TO NE WINDS 25
TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 33N TO 45N BETWEEN 123W
AND 137W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 39N TO 44N BETWEEN 124W AND 130W AREA OF N
TO NE WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 33N TO
45N BETWEEN 123W AND 139W AREA OF N TO NE WINDS TO 25 KT. SEAS TO
3.5 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH SECOND GALE WARNING.
...GALE WARNING...
.WITHIN 120 NM OF 48N127W AREA OF NW WINDS 20 TO 30 KT. SEAS 2.5
TO 3.5 M.
.06 HOUR FORECAST WITHIN 90 NM OF 48N127W AREA OF NW WINDS 25 TO
35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 120 NM OF 49N128W AREA OF NW WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 45N TO 54N E OF 134W AREA
OF N TO NW WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 45N TO 51N BETWEEN 125W AND 133W AREA OF N
TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR
48N127W. ELSEWHERE S OF 56N BETWEEN 123W AND 142W AREA OF N TO NW
WINDS TO 25 KT. SEAS TO 3 M.
...GALE WARNING...
.18 HOUR FORECAST LOW W OF AREA 48N167E 995 MB. WITHIN 420 NM NE
QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW W OF AREA 48N168E 997 MB. WITHIN 420 NM NE
QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 37N
TO 50N W OF 177W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW W OF AREA 49N167E 1002 MB. WITHIN 540 NM NE
QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.SYNOPSIS AND FORECAST.
.LOW 34N168W 1016 MB MOVING SE 10 KT. WITHIN 180 NM NW SEMICIRCLE
WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 31N163W 1016 MB. WITHIN 600 NM NW QUADRANT
WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 32N163W 1017
MB. WITHIN 480 NM NW QUADRANT WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 48N158W 1010 MB. WITHIN 420 NM NE...540 NM
SE...240 NM SW...AND 360 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS
2.5 TO 3.5 M.
.48 HOUR FORECAST NEW LOW NEAR 44N179W 1017 MB. WITHIN 240 NM E
SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 63N W OF
ALASKA...AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 36N158W TO
47N148W.
.24 HOUR FORECAST DENSE FOG N OF 66N W OF ALASKA...FROM 57N TO
63N BETWEEN 165W AND 172W...AND FROM 40N TO 52N BETWEEN 148W AND
156W.
.48 HOUR FORECAST DENSE FOG N OF 66N W OF ALASKA...FROM 56N TO
60N BETWEEN 160W AND 168W...AND FROM 42N TO 54N BETWEEN 148W AND
159W.
.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 1800 UTC WED JUN 17.
24 HOUR FORECAST VALID 1800 UTC THU JUN 18.
48 HOUR FORECAST VALID 1800 UTC FRI JUN 19.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 00N107W TO 01S116W TO 01N122W TO 00N127W TO 03.4S120W TO
03.4S105W TO 00N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SE AND SW SWELL.
.24 HOUR FORECAST WITHIN 02N108W TO 02N110W TO 01S114W TO
00N120W TO 03.4S120W TO 03.4S105W TO 02N108W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SE AND SW SWELL.
.42 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 1900 UTC WED JUN 17...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08.8N84W TO 14.5N93.5W. ITCZ FROM 14N101W TO
13N109W...THEN RESUMES FROM 12N111W TO 08N127W TO 09N139W.
SCATTERED MODERATE ISOLATED STRONG FROM 01N TO 09N BETWEEN 77W
AND 88W...AND FROM 01N TO 06.5N BETWEEN 136W AND 140W. ISOLATED
TO WIDELY SCATTERED MODERATE FROM 09N TO 13N BETWEEN 89W AND
98W...FROM 11N TO 15N BETWEEN 102W AND 109W...FROM 04N TO 07N
BETWEEN 106W AND 111W...AND WITHIN 180 NM EITHER SIDE OF ITCZ
BETWEEN 112W AND 124W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC JUN 17 2026.
24 HOUR FORECAST VALID 1800 UTC JUN 18 2026.
48 HOUR FORECAST VALID 1800 UTC JUN 19 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N169W 25N175W 25N180W MOVING E 10 KT E OF 175W STATIONARY
W OF 175W.
.24 HOUR FORECAST FRONT 30N165W 26N170W 25N180W.
.48 HOUR FORECAST FRONT 30N161W 25N165W 25N180W.
.FRONT 30N164W 26N167W MOVING E SLOWLY.
.24 HOUR FORECAST FRONT DISSIPATED.
.TROUGH 21N155W 18N156W 15N155W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 19N160W 15N159W.
.48 HOUR FORECAST TROUGH 20N163W 15N162W.
.TROUGH 15N140W 12N142W 10N141W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 16N143W 12N145W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.ITCZ 07N180W 08N170W 04N150W 04N144W. SCATTERED MODERATE TSTMS
WITHIN 180 NM OF ITCZ.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LESS OVER ENTIRE FORECAST
AREA.
$$
.FORECASTER PECHACEK. HONOLULU HI.=