975
FZPN03 KNHC 152215
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON SEP 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON SEP 15.
24 HOUR FORECAST VALID 1800 UTC TUE SEP 16.
48 HOUR FORECAST VALID 1800 UTC WED SEP 17.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM MARIO NEAR 20.8N 114.4W 993 MB AT 2100 UTC SEP
15 MOVING NW OR 305 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N
SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 15
NM S SEMICIRCLE...60 NM NE QUADRANT AND 45 NM NW QUADRANT WITH
SEAS TO 5 M. WITHIN 21N113W TO 21N114W TO 21N115W TO 20N115W TO
20N114W TO 20N113W TO 21N113W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.0
M. ELSEWHERE WITHIN 21N112W TO 22N114W TO 21N115W TO 20N115W TO
19N114W TO 19N112W TO 21N112W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM MARIO NEAR 23.3N 117.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 20
NM SW QUADRANT. WITHIN 24N117W TO 24N118W TO 23N118W TO 23N117W
TO 24N117W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN
23N116W TO 24N117W TO 24N118W TO 23N118W TO 22N117W TO 22N116W
TO 23N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL MARIO NEAR 24.4N 118.8W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW MARIO NEAR 25.4N
119.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 26N119W
TO 26N120W TO 26N119W TO 25N119W TO 26N118W TO 26N119W WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 26N119W TO 26N120W
TO 25.5N120W TO 25N119W TO 25.5N119W TO 26N119W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 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.
.WITHIN 13N109W TO 14N112W TO 13N117W TO 12N117W TO 11N112W TO
11N110W TO 13N109W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 04N80W TO 11N94W TO 14N116W TO 11N122W TO
01S106W TO 03.4S81W TO 04N80W...INCLUDING THE GULF OF PANAMA AND
EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 12N99W TO 13N101W TO 13N118W TO 11N118W
TO 09N101W TO 10N99W TO 12N99W SW TO W WINDS 20 TO 30 KT. SEAS
2.5 TO 3.0 M. ELSEWHERE WITHIN 10N92W TO 16N104W TO 15N112W TO
09N122W TO 05N107W TO 04N91W TO 10N92W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M. REMAINDER OF AREA WITHIN 03N79W TO 05N80W TO 04N86W
TO 01S87W TO 03.4S90W TO 03.4S82W TO 03N79W...INCLUDING THE GULF
OF PANAMA AND EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 14N103W TO 14N104W TO 12N108W TO
10N107W TO 10N103W TO 11N102W TO 14N103W SW WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 12N98W TO 17N101W TO 17N105W
TO 14N106W TO 10N114W TO 07N103W TO 12N98W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M. REMAINDER OF AREA WITHIN 05N80W TO 06N82W TO
04N86W TO 03N86W TO 02N81W TO 03N80W TO 05N80W...INCLUDING THE
GULF OF PANAMA...WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
.WITHIN 12N130W TO 12N131W TO 13N131W TO 12N131W TO 11N130W TO
12N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SW AND NW
SWELL.
.24 HOUR FORECAST WITHIN 12N126W TO 13N127W TO 12N128W TO
11N127W TO 11N125W TO 12N126W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MIXED S AND NW SWELL.
.42 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 1800 UTC MON SEP 15...
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 08N78W TO 09N83W TO 16N111W...AND 14N120W TO
BEYOND 11N140W. NUMEROUS MODERATE TO STRONG FROM 19N TO 22N
BETWEEN 113W AND 115W. SCATTERED MODERATE ISOLATED STRONG FROM
04N TO 11N E OF 87W...AND 08N TO 16N BETWEEN 92W AND 108W.
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page