351
FZPN03 KNHC 081613
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI AUG 8 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI AUG 8.
24 HOUR FORECAST VALID 1200 UTC SAT AUG 9.
48 HOUR FORECAST VALID 1200 UTC SUN AUG 10.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM IVO NEAR 20.7N 110.1W 1001 MB AT 1500 UTC AUG 08
MOVING WNW OR 295 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM E
SEMICIRCLE...0 NM SW QUADRANT AND 30 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 120 NM E SEMICIRCLE...30 NM SW QUADRANT AND 60
NM NW QUADRANT WITH SEAS TO 6 M. ELSEWHERE WITHIN 22N109W TO 22N111W
TO 21N111W TO 20N110W TO 20N109W TO 22N109W WINDS 20 TO 33 KT.
SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 22N108W TO 22N109W
TO 20N109W TO 20N108W TO 22N108W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SE SWELL.
.24 HOUR FORECAST TROPICAL STORM IVO NEAR 21.3N 113.4W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 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 90 NM NE QUADRANT...60 NM SE
AND NW QUADRANTS...AND 30 NM SW QUADRANT WITH SEAS TO 7 M.
ELSEWHERE WITHIN 22N113W TO 22N114W TO 21N114W TO 21N113W TO
22N113W WINDS 20 TO 33 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF AREA
WITHIN 24N112W TO 24N114W TO 22N115W TO 21N114W TO 20N112W TO
21N111W TO 24N112W...INCLUDING WITHIN 60 NM OF SHORE...WINDS 20
KT OR LESS. SEAS 2.5 TO 4.0 M IN SE TO E SWELL
.48 HOUR FORECAST TROPICAL STORM IVO NEAR 21.5N 116.6W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 4 M OR
GREATER WITHIN 60 NM N SEMICIRCLE WITH SEAS TO 4.5 M. ELSEWHERE
WITHIN 22N116W TO 22N116.5W TO 22N117W TO 21.5N117W TO 21N116.5W
TO 21.5N116W TO 22N116W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M.
REMAINDER OF AREA WITHIN 23N115W TO 23N117W TO 22N117W TO 21N117W
TO 21N116W TO 22N115W TO 23N115W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN E TO SE 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.
.TROPICAL STORM HENRIETTE NEAR 19.7N 141.5W 1008 MB AT 1500 UTC
AUG 08 MOVING W OR 280 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 35
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 60
NM OF CENTER EXCEPT 90 NM NE QUADRANT WITH SEAS TO 6 M. OVER
FORECAST WATERS WITHIN 21N139W TO 21.5N140W TO 18.5N140W TO 19.5N139.5W
TO 21N139W E TO SE WINDS 20 TO 30 KT. SEAS 3.5 TO 5.0 M IN E
SWELL. REMAINDER OF AREA WITHIN 21N137W TO 24N139W TO 24N140W TO
21N139W TO 19N140W TO 15N139W TO 21N137W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST POST-TROPICAL HENRIETTE W OF AREA NEAR 21.3N
146.3W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. OVER FORECAST
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.GULF OF CALIFORNIA WITHIN 31N113.5W TO 31N114W TO 30.5N114W TO
30N113.5W TO 30N113W TO 30.5N113W TO 31N113.5W SE TO S WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 07N112W TO 09N117W TO 07N121W TO 06N122W TO 03N120W TO
03N113W TO 07N112W WINDS 20 KT OR LESS. SEAS 2.5 M IN S SWELL.
.24 HOUR FORECAST WITHIN 08N121W TO 08N124W TO 07N126W TO
04N128W TO 03N125W TO 05N121W TO 08N121W WINDS 20 KT OR LESS.
SEAS 2.5 M IN S TO SW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.09 HOUR FORECAST WITHIN 03S119.5W TO 03S119.5W TO 03S120W TO
03.4S120W TO 03.4S118.5W TO 03S119.5W WINDS 20 KT OR LESS. SEAS
2.5 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 02S114W TO 02S117W TO 02S120W TO
03.4S120W TO 03.4S112W TO 02S114W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SW SWELL.
.48 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 1500 UTC FRI AUG 8...
TROPICAL STORM IVO
NUMEROUS STRONG FROM 18.5N TO 21N BETWEEN
108.5W AND 111.5W. SCATTERED MODERATE TO STRONG ELSEWHERE FROM
15N TO 24.5N BETWEEN 102W AND 112W
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 1010 MB LOW PRESSURE NEAR 10N75W TO 08N87W
TO 14N120W TO 08N126 11N140W. SCATTERED MODERATE CONVECTION
FROM 02.5N TO 09.5N E OF 88W...FROM 06N TO 14.5N BETWEEN 89W AND
101W...FROM 07.5N TO 11N BETWEEN 105W AND 111W...AND FROM 09N TO
12N W OF 135W.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
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