000
FZPN03 KNHC 170246
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 17.
24 HOUR FORECAST VALID 0000 UTC THU SEP 18.
48 HOUR FORECAST VALID 0000 UTC FRI SEP 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.POST-TROPICAL CYCLONE MARIO NEAR 23.7N 118.3W 1006 MB AT 0300
UTC SEP 17 MOVING NW OR 310 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS
25 KT GUSTS 35 KT. WITHIN 24.5N118W TO 25N118W TO 25N119W TO
24.5N119W TO 24N118.5W TO 24.5N118W WINDS 20 TO 25 KT. SEAS 2.5 
TO 3.0 M. ELSEWHERE WITHIN 25N117W TO 25N118W TO 25N119W TO 
24N119W TO 23N118W TO 24N117W TO 25N117W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN MIXED SWELL. 
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW MARIO NEAR 24.7N 
119.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW MARIO NEAR 25.6N 
119.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. CONDITIONS 
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW MARIO NEAR 26.3N 
120.2W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT.
.48 HOUR FORECAST...DISSIPATED.

.LOW PRES NEAR 12.5N103.5W 1007 MB. WITHIN 13N101W TO 14N102W TO
12N104W TO 09N103W TO 09N102W TO 10N100W TO 13N101W WINDS 20 TO 
30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 14N102W TO 12N104W TO
13N113W TO 10N121W TO 06N110W TO 06N91W TO 14N102W WINDS 20 KT 
OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N107W 1007 MB. WITHIN 12N103W TO 14N104W TO 14N107W TO 13N109W
TO 11N109W TO 10N107W TO 12N103W WINDS 20 TO 30 KT. SEAS 2.5 TO 
3.0 M. ELSEWHERE WITHIN 12N102W TO 16N105W TO 13N106W TO 11N111W
TO 09N110W TO 09N104W TO 12N102W WINDS 20 KT OR LESS. SEAS 2.5 
TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15.5N110.5W 1006 MB. WITHIN 16N109W TO 16N113W TO 14N113W TO 
14N112W TO 13N108W TO 14N107W TO 16N109W WINDS 20 TO 30 KT. SEAS
2.5 TO 3.0 M. ELSEWHERE WITHIN 15N105W TO 16N107W TO 13N110W TO 
11N109W TO 10N107W TO 11N105W TO 15N105W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN SW SWELL.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO N E WINDS 
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.WITHIN 03N78W TO 06N79W TO 06N85W TO 02N87W TO 03.4S86W TO
02S81W TO 03N78W...INCLUDING THE GULF OF PANAMA AND THE GULF OF
GUAYAQUIL... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.24 HOUR FORECAST WITHIN 07N78W TO 08N84W TO 06N87W TO 01N86W TO
02N80W TO 07N78W...INCLUDING THE GULF OF PANAMA AND NEAR THE
AZUERO PENINSULA... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN S TO SW SWELL.

.WITHIN 12N125W TO 13N126W TO 12N127W TO 11N127W TO 11N125W TO
12N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M IN S SWELL.

.30 HOUR FORECAST WITHIN 30N136W TO 30N140W TO 28N140W TO
29N138W TO 30N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.48 HOUR FORECAST WITHIN 30N133W TO 30N140W TO 27N140W TO
28N137W TO 30N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.

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

CONVECTION VALID AT 0240 UTC WED SEP 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO LOW PRES NEAR 12.5N103.5W TO 14N114W 
TO 10N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 10N EAST 
OF 90W...AND FROM 08N TO 16N BETWEEN 102W AND 120W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.