000
FZPN03 KNHC 121531
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI SEP 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 12.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 13.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 14.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM MARIO NEAR 17.2N 101.9W 1006 MB AT 1500 UTC SEP
12 MOVING WNW OR 295 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 20 NM NW QUADRANT. ELSEWHERE WITHIN 17N101W TO 18N102W TO
17N102W TO 17N101W WINDS 20 TO 33 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST TROPICAL STORM MARIO NEAR 18.2N 105.5W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 20 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. ELSEWHERE 
WITHIN 19N105W TO 19N106W TO 18N106W TO 18N105W TO 
19N105W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT. 
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST TROPICAL STORM MARIO NEAR 19.1N 108.5W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM E SEMICIRCLE AND 20 NM W SEMICIRCLE. SEAS 4 M 
OR GREATER WITHIN THE TROPICAL STORM FORCE WIND AREA WITH SEAS 
TO 6.0 M. ELSEWHERE WITHIN 20N108W TO 20N109W TO 19N109W TO 
18N109W TO 18N108W TO 19N108W TO 20N108W WINDS 20 TO 33 KT. SEAS 
2.5 TO 5.5 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.

.WITHIN 16N95W TO 16N96W TO 15N96W TO 15N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 15N135W TO 16N137W TO 15N138W TO 14N138W TO 13N136W TO
14N135W TO 15N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.24 HOUR FORECAST WITHIN 17N136W TO 19N139W TO 19N140W TO
15N140W TO 15N137W TO 16N136W TO 17N136W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN E SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.24 HOUR FORECAST WITHIN 01S105W TO 00N120W TO 03.4S120W TO
03.4S96W TO 01S105W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.48 HOUR FORECAST WITHIN 06N93W TO 07N109W TO 03N110W TO 03S120W
TO 03.4S86W TO 06N93W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1500 UTC FRI SEP 12...

.T.S. MARIO...SCATTERED TO NUMEROUS MODERATE TO STRONG N OF 
10N BETWEEN 101W AND 108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 11N140W. SCATTERED MODERATE WITHIN
200 NM EITHER SIDE OF BOUNDARY E OF 90W AND W OF 112W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.