257
FZPN03 KNHC 270420
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED AUG 27 2025
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.
SECURITE
E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W
SYNOPSIS VALID 0000 UTC WED AUG 27.
24 HOUR FORECAST VALID 0000 UTC THU AUG 28.
48 HOUR FORECAST VALID 0000 UTC FRI AUG 29.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM JULIETTE NEAR 20.9N 118.1W 996 MB AT 0300 UTC
AUG 27 MOVING NW OR 325 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 55
KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E
SEMICIRCLE AND 40 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN
90 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 60 NM SW
QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 22N112W TO 23N117W
TO 23N120W TO 18N120W TO 16N115W TO 19N112W TO 22N112W WINDS 20
TO 33 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST TROPICAL STORM JULIETTE NEAR 24.0N 120.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM OF CENTER EXCEPT 30 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 60 NM N SEMICIRCLE AND SE QUADRANT AND 75 NM SW
QUADRANT WITH SEAS TO 5.0 M. ELSEWHERE WITHIN 26N119W TO 26N121W
TO 24N123W TO 20N122W TO 21N119W TO 23N117W TO 26N119W WINDS 20
TO 33 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JULIETTE NEAR 26.2N
121.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN
26N120W TO 27N121W TO 26N121W TO 25N121W TO 25N120W TO 26N120W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 01S100W TO 01S106W TO 02S109W TO 03S118W TO 03.4S120W TO
03.4S96W TO 01S100W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
SWELL. WITHIN 04N102W TO 05N105W TO 04N107W TO 02N109W TO
01N108W TO 02N102W TO 04N102W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN SE SWELL.
.24 HOUR FORECAST WITHIN 03S110W TO 02S117W TO 01S120W TO
03.4S120W TO 03.4S109W TO 03S110W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN E TO SE SWELL.
.48 HOUR FORECAST WITHIN 02S103W TO 00N111W TO 00N120W TO
03.4S120W TO 03.4S102W TO 02S103W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SE TO S SWELL. WITHIN 03N118W TO 03N120W TO 02N121W
TO 01N119W TO 02N117W TO 03N118W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN E TO SE SWELL.
.WITHIN 11N88W TO 11N89W TO 10N92W TO 09N92W TO 08N89W TO 10N88W
TO 11N88W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.06 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 0350 UTC WED AUG 27...
TROPICAL STORM JULIETTE CENTERED NEAR 20.9N 118.1W
NUMEROUS
MODERATE TO STRONG FROM 19N TO 22N BETWEEN 116W AND 120W.
SCATTERED MODERATE ELSEWHERE FROM 16N TO 23N BETWEEN 114W AND
124W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH AXIS EXTENDS FROM 07N78W TO 10N95W TO 16N112W
AND THEN RESUMES SW OF JULIETTE FROM 14N121W TO 10N140W. SCATTERED
MODERATE TO ISOLATED STRONG N OF 02N E OF 84W. SCATTERED MODERATE
FROM 11N TO 13N BETWEEN 122W AND 129W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page