HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN JUN 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28.
24 HOUR FORECAST VALID 0000 UTC JUN 29.
48 HOUR FORECAST VALID 0000 UTC JUN 30.
.WARNINGS.
...GALE WARNING...
.30 HOUR FORECAST LOW W OF AREA NEAR 49N166E 984 MB. FROM 43N TO
54N W OF 176W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW W OF AREA NEAR 49N168E 988 MB. W OF A LINE
FROM 40N179W TO 50N172W TO 55N180W WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M.
.SYNOPSIS AND FORECAST.
.FROM 35N TO 40N E OF 127W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
ELSEWHERE FROM 43N TO 52N E OF 134W WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST E OF A LINE FROM 52N135W TO 40N130W TO 33N126W
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST E OF A LINE FROM 35N130W TO 46N130W TO 52N133W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.LOW 56N176W 1008 MB MOVING NE 10 KT. WITHIN 480 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 61N168W 1012 MB. BETWEEN 180 NM AND 540 NM
SE QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 50N
BETWEEN 150W AND 163W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 50N BETWEEN 145W AND
157W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 52N W OF 145W.
.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.
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 28.
24 HOUR FORECAST VALID 0000 UTC MON JUN 29.
48 HOUR FORECAST VALID 0000 UTC TUE JUN 30.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 11N86W TO 12N87W TO 12N88W TO 10N89W TO 10N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20
TO 30 KT. SEAS LESS THAN 2.5 M. WITHIN 10N89W TO 11N93W TO
11N95W TO 10N96W TO 09N93W TO 09N88W TO 10N89W E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN SE SWELL.
.24 HOUR FORECAST WITHIN 11N86W TO 12N88W TO 10N98W TO 09N98W TO
09N89W TO 09N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS.
SEAS LESS THAN 2.5 M.
.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO
25 KT. SEAS 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.33 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 31N113W TO 31N114W TO 30N114W TO 30N113W TO
31N113W...INCLUDING THE GULF OF CALIFORNIA...S TO SW WINDS 20
TO 30 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 30N114W TO
30N113W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...S TO SW
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 15N112W TO 18N115W TO 17N117W TO 15N117W TO 14N116W TO
12N112W TO 15N112W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
TO SE SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 20N132W TO 24N133W TO 23N136W TO 18N140W TO 13N140W TO
13N138W TO 20N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.24 HOUR FORECAST WITHIN 23N137W TO 25N138W TO 25N140W TO
21N140W TO 21N138W TO 23N137W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 21N139W TO 22N140W TO 19N140W TO
19N139W TO 20N139W TO 21N139W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE TO E SWELL.
.WITHIN 03N98W TO 00N123W TO 03.4S120W TO 03.4S87W TO
03N98W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE SWELL.
.24 HOUR FORECAST WITHIN 02N101W TO 04N110W TO 03N125W TO
00N133W TO 03.4S120W TO 03.4S95W TO 02N101W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE SWELL.
.48 HOUR FORECAST WITHIN 03N106W TO 04N124W TO 00N133W TO
03.4S120W TO 03.4S93W TO 03N106W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SE SWELL.
.48 HOUR FORECAST WITHIN 30N118W TO 30N125W TO 29N123W TO
29N120W 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 0230 UTC SUN JUN 28...
.TROPICAL WAVE ALONG 90W...SCATTERED MODERATE FROM 04N TO 09N
BETWEEN 87W AND 94W.
.TROPICAL WAVE ALONG 118W...SCATTERED MODERATE FROM 04N TO 16N
BETWEEN 110W AND 124W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 1007 MB LOW PRES IN NORTHWEST COLOMBIA TO
08N78W TO 08N91W. ITCZ FROM THAT POINT TO 08N117W...THEN RESUMES
W OF TROPICAL WAVE NEAR 08N120W TO 07N140W. ASIDE FROM
CONVECTION RELATED TO TROPICAL WAVES DESCRIBED ABOVE...SCATTERED
MODERATE WITHIN 200 NM ON EITHER SIDE OF ITCZ.
$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0000 UTC JUN 28 2026.
24 HOUR FORECAST VALID 0000 UTC JUN 29 2026.
48 HOUR FORECAST VALID 0000 UTC JUN 30 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 0N176W 26N178W 24N179W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.
.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.
.SEAS 2.5 TO 3 M FROM 18N TO 13N BETWEEN 159W AND 152W.
.24 HOUR FORECAST SEAS SUBSIDED TO 2.5 M OR LESS.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 07N140W 06N148W 05N152W 05N163W 06N170W 03N174W. ISOLATED
MODERATE TSTMS WITHIN 210 NM OF ITCZ.
$$
.FORECASTER M BALLARD. HONOLULU HI.=