HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SUN MAY 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 03.
24 HOUR FORECAST VALID 1800 UTC MAY 04.
48 HOUR FORECAST VALID 1800 UTC MAY 05.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 44N155W 1001 MB MOVING N 20 KT.
WITHIN 420 NM NE...480 NM SE...360 NM SW AND 240 NM NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M.
.06 HOUR FORECAST LOW 45N154W 992 MB. WITHIN 120 NM S AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 4 TO 6 M.
.24 HOUR FORECAST LOW 52N152W 990 MB. WITHIN 300 NM SE SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 42N TO 69N
BETWEEN 143W AND 168W WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 57N152W 996 MB. WITHIN 480 NM S QUADRANT
WINDS TO 25 KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.FROM 39N TO 51N W OF 178W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST NEW LOW 46N177W 1003 MB. FROM 36N TO 52N W OF
165W WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 42N166W 1000 MB.
FROM 32N TO 50N BETWEEN 155W AND 175W WINDS 25 TO 35 KT. SEAS 3
TO 6 M. ELSEWHERE FROM 31N TO 52N W OF 158W WINDS 20 TO 30 KT.
SEAS 2.5 TO 5 M.
...GALE WARNING...
.N OF 37N E OF 138W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.06 HOUR FORECAST N OF 47N E OF 134W WINDS 25 TO 35 KT. SEAS TO
3.5 M.
.24 HOUR FORECAST FROM 49N TO 55N BETWEEN 129W AND 134W WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 55N
BETWEEN 151W AND 158W.
.24 HOUR FORECAST DENSE FOG FROM 50N TO 58N BETWEEN 158W AND 164W
AND WITHIN 60 NM NE OF A LINE FROM 50N179W TO 47N170W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.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 1800 UTC SUN MAY 03.
24 HOUR FORECAST VALID 1800 UTC MON MAY 04.
48 HOUR FORECAST VALID 1800 UTC TUE MAY 05.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.N OF 14N BETWEEN 94W AND 95W...INCLUDING GULF OF TEHUANTEPEC...N
WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.18 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 14N95W TO
12N95.5W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FROM 10N TO 18N W OF 135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN
NE TO E SWELL.
.12 HOUR FORECAST FROM 10N TO 16N W OF 131W NE TO E WINDS 20 TO
25
KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST FROM 07N TO 15N W OF 130W NE TO E WINDS 20 TO
25
KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST FROM 10N TO 16N W OF 135W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN MIXED NE AND NW SWELL.
.06 HOUR FORECAST GULF OF CALIFORNIA N OF 30N W OF 113W S WINDS
20
TO 30 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST 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 2100 UTC SUN MAY 3...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM NEAR THE COSTA RICA/PANAMA BORDER
TO
07N94W. THE ITCZ CONTINUES FROM 07N94W TO 06N120W TO BEYOND
07N140W.
SCATTERED MODERATE CONVECTION IS OCCURRING FROM 03N TO 11N
BETWEEN
80W AND 113W. SIMILAR CONVECTIVE ACTIVITY IS ALSO NOTED FROM 08N
TO
11N BETWEEN 123W AND 128W.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC MAY 03 2026.
24 HOUR FORECAST VALID 1800 UTC MAY 04 2026.
48 HOUR FORECAST VALID 1800 UTC MAY 05 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N155W 27N158W THENCE SHEAR LINE 25N165W 23N175W MOVING
E 5 KT. WINDS 20 TO 25 KT WITHIN 90 NM W OF SHEAR LINE.
.24 HOUR FORECAST FRONT 30N152W 25N160W. SHEAR LINE DISSIPATED.
.48 HOUR FORECAST FRONT 30N152W 28N157W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 15N BETWEEN 178W
AND 173W.
.48 HOUR FORECAST WINDS 20 KT OR LESS.
.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M WITHIN 210 NM OF LINE 30N169W 25N175W
22N180W...AND FROM 10N TO 15N BETWEEN 155W AND 145W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 22N W OF 170W...AND
FROM 08N TO 14N E OF 143W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 15N.
.OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 02N180W 05N160W 07N150W 08N140W. SCATTERED MODERATE TSTMS
WITHIN 90 NM OF ITCZ BETWEEN 165W AND 145W.
$$
.FORECASTER PECHACEK. HONOLULU HI.=