510
FZPN03 KNHC 100326
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN AUG 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN AUG 10.
24 HOUR FORECAST VALID 0000 UTC MON AUG 11.
48 HOUR FORECAST VALID 0000 UTC TUE AUG 12.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM IVO NEAR 21.2N 114.1W 1003 MB AT 0300 UTC AUG 10
MOVING WNW OR 285 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS
55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N SEMICIRCLE...40 NM
SE QUADRANT AND 20 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 30 NM
NW AND SE QUADRANTS...45 NM NE QUADRANT AND 0 NM SW QUADRANT WITH
SEAS TO 4.5 M. ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 120 NM NE
QUADRANT WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST TROPICAL STORM IVO NEAR 22.4N 117.3W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN
20 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS TO 4 M WITHIN 30 NM E
SEMICIRCLE...AND 0 NM W SEMICIRCLE. ELSEWHERE WITHIN 60 NM
E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 2.5 TO 3.5 M. WITHIN 60 NM
W SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 22.8N 119.4W.
WITHIN 60 NM N SEMICIRCLE WINDS 20 TO 30 KT WITH GUSTS TO 40 KT.
SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW IVO NEAR 23.0N 121.6W.
WITHIN 60 NM NW QUADRANT WINDS 20 TO 30 KT WITH GUSTS TO 35 KT.
SEAS TO 2.5 M.
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.
.S OF 11N BETWEEN 121W AND 130W WINDS 20 KT OR LESS. SEAS 2.5 TO
3 M IN S TO SW SWELL.
.24 HOUR FORECAST S OF 09N BETWEEN 127W AND 132W WINDS 20 KT OR
LESS. SEAS TO 2.5 M IN DECAYING S TO SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST N OF 29N BETWEEN 133W AND 140W WINDS 20 KT OR
LESS. SEAS TO 2.5 M IN NE SWELL.
.48 HOUR FORECAST N OF 28N W OF 134W WINDS 20 KT OR LESS. SEAS
2.5 M IN NE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0315 UTC SUN AUG 10...
TROPICAL STORM IVO
NUMEROUS MODERATE ISOLATED STRONG WITHIN
60 NM SE AND NW QUADRANT AND WITHIN 90 NM SW QUADRANT. SCATTERED
MODERATE WITHIN 30 NM NE QUADRANT.
TROPICAL WAVE ALONG 128W FROM 04N TO 17N
SCATTERED MODERATE
FROM 10N TO 14N BETWEEN 127W AND 130W.
.SCATTERED MODERATE WITHIN 30 NM OF A LINE FROM 12N118W TO
12N123W AND WITHIN 60 NM OF 15N113W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH AXIS EXTENDS FROM 11N86W TO 09N92W TO 09N100W TO
12N109W. IT RESUMES AT 14N121W TO 07N140W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 120 NM N OF THE TROUGH 124W AND 127W.
SCATTERED MODERATE WITHIN 120 NM S OF THE TROUGH BETWEEN 130W AND
134W...WITHIN 60 NM S OF THE TROUGH BETWEEN 93W AND 98W AND WITHIN
60 NM OF THE TROUGH BETWEEN 101W AND 108W.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
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