604
FZPN03 KNHC 042118
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT OCT 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT OCT 04.
24 HOUR FORECAST VALID 1800 UTC SUN OCT 05.
48 HOUR FORECAST VALID 1800 UTC MON OCT 06.
.WARNINGS.
..HURRICANE WARNING
.TROPICAL STORM PRISCILLA NEAR 15.5N 106.6W 1002 MB AT 2100 UTC OCT
04 MOVING NW OR 315 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS
50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...120 NM
NE QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM
N SEMICIRCLE...60 NM SE QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO
4.5 M. ELSEWHERE WITHIN 120 NM OF CENTER...EXCEPT 150 NM NE QUADRANT
WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA FROM 10N TO
13N BETWEEN 102W AND 109W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3
FT.
.24 HOUR FORECAST TROPICAL STORM PRISCILLA NEAR 16.3N 106.9W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM S SEMICIRCLE...200 NM NE QUADRANT AND 150 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM S AND 150 NM N
SEMICIRCLES WITH SEAS TO 5 M. ELSEWHERE WITHIN 180 NM OF CENTER...
EXCEPT 240 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 3 TO 4 M.
REMAINDER OF THE AREA FROM 10N TO 14N BETWEEN 101W AND 112W SW TO W
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 FT.
.36 HOUR FORECAST HURRICANE PRISCILLA NEAR 17.0N 107.3W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.48 HOUR FORECAST HURRICANE PRISCILLA NEAR 17.8N 108.2W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN
120 NM S SEMICIRCLE...200 NM NE QUADRANT AND 160 NM NW QUADRANT.
SEAS 4 M OR GREATER WITHIN 150 NM S AND 180 NM N SEMICIRCLES WITH
SEAS TO 6 M. ELSEWHERE WITHIN 180 NM OF CENTER...EXCEPT 240 NM NE
QUADRANT WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA
FROM 10N TO 20N BETWEEN 100W AND 112W SW TO W WINDS 20 TO 25 KT.
SEAS 2.5 TO 3 FT.
..TROPICAL STORM WARNING
.TROPICAL STORM OCTAVE NEAR 14.9N 123.9W 997 MB AT 2100 UTC OCT 04
MOVING NNW OR 330 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS
65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE
QUADRANTS...70 NM NE QUADRANT AND 30 NM SW QUADRANT. SEAS 4 M OR
GREATER WITHIN 90 NM N SEMICIRCLE...75 NM SE QUADRANT AND 60 NM SW
QUADRANT WITH SEAS TO TO 6 M. ELSEWHERE WITHIN 120 NM OF CENTER...
EXCEPT 90 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 3 TO 5 FT.
REMAINDER OF THE AREA FROM 10N TO 20N BETWEEN 116W AND 128W WINDS 20
KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 15.7N 123.6W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM
OF CENTER...EXCEPT 60 NM SW QUADRANT WITH SEAS TO 6 M. ELSEWHERE
WITHIN 120 NM OF CENTER...EXCEPT 90 NM SW QUADRANT WINDS 20 TO 33
KT. SEAS 3 TO 5 FT. REMAINDER OF THE AREA FROM 12N TO 19N BETWEEN
121W AND 129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 16.0N 121.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM S SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM OF CENTER...EXCEPT 60 NM
SW QUADRANT WITH SEAS TO 5 M. ELSEWHERE WITHIN 120 NM OF CENTER...
EXCEPT 90 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 3 TO 5 FT.
REMAINDER OF THE AREA FROM 14N TO 18N BETWEEN 121W AND 126W WINDS 20
KT OR LESS. SEAS 2.5 TO 3 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.
N OF 20N W OF 130W
AND FROM 20N TO 25N BETWEEN 115W AND 130W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
N OF 15N BETWEEN 94.5W AND 95.5W
INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 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 SAT OCT 4...
TROPICAL STORM OCTAVE
NUMEROUS MODERATE TO STRONG WITHIN 90
NM W SEMICIRCLE.
TROPICAL STORM PRISCILLA
NUMEROUS MODERATE TO SCATTERED STRONG
FROM 14N TO 19N BETWEEN 102W AND 111W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 14N103W, THEN RESUMES SW
OF OCTAVE FROM 11N129W TO 09N140W. ASIDE FROM THE CONVECTION
ASSOCIATED WITH TROPICAL STORMS OCTAVE AND PRISCILLA...SCATTERED
MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 05N TO 15N
BETWEEN 83W AND 100W.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page