444
FZPN03 KNHC 151618
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON SEP 15.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 16.
48 HOUR FORECAST VALID 1200 UTC WED SEP 17.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM MARIO NEAR 20.0N 113.2W 995 MB AT 1500 UTC SEP
15 MOVING WNW OR 300 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER.
SEAS 4 M OR GREATER WITHIN 0 NM OF CENTER EXCEPT 30 NM NE
QUADRANT WITH SEAS TO 4.5 M. WITHIN 21N112W TO 20N113W TO
19N113W TO 19N112W TO 20N112W TO 21N112W WINDS 20 TO 33 KT. SEAS
2.5 TO 4.0 M. ELSEWHERE WITHIN 21N111W TO 21N112W TO 20N114W TO
19N114W TO 18N113W TO 18N111W TO 21N111W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM MARIO NEAR 22.0N 116.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM OF CENTER. SEAS 4 M OR GREATER WITHIN 0 NM OF
CENTER EXCEPT 30 NM NE QUADRANT WITH SEAS TO 4.0 M. WITHIN
22N116W TO 22N117W TO 21N117W TO 21N116W TO 21N115W TO 22N116W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 23N115W TO
24N116W TO 23N118W TO 21N118W TO 21N117W TO 21N115W TO 23N115W
WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW MARIO NEAR 24.7N
119.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 26N118W
TO 26N119W TO 25N120W TO 25N119W TO 24N119W TO 25N118W TO
26N118W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN
25N119W TO 26N120W TO 25N121W TO 24N120W TO 24N119W TO 25N119W N
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 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 14N111W TO 14N116W TO 13N120W TO 12N120W TO 11N118W TO
11N112W TO 14N111W W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 04N80W TO 14N110W TO 11N122W TO 02N108W TO
02S109W TO 03.4S81W TO 04N80W...INCLUDING THE GULF OF GUAYAQUIL
AND EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS
2.5 TO 3.5 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 12N114W TO 13N115W TO 11N117W TO
10N116W TO 10N114W TO 12N114W W WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0 M. ELSEWHERE WITHIN 16N109W TO 09N120W TO 02N101W TO 01S101W
TO 03S81W TO 03N79W TO 16N109W...INCLUDING THE GULF OF PANAMA AND
THE GULF OF GUAYAQUIL 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 12N109W TO 12N118W TO 11N118W TO
11N111W TO 11N109W TO 11N108W TO 12N109W W WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 17N101W TO 10N116W TO 07N109W
TO 07N99W TO 02N80W TO 08N94W TO 17N101W...INCLUDING THE GULF OF
PANAMA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.WITHIN 13N126W TO 13N130W TO 12N130W TO 11N129W TO 11N127W TO
12N126W TO 13N126W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 M IN MIXED
NW AND S SWELL.
.24 HOUR FORECAST WITHIN 13N122W TO 11N124W TO 13N127W TO
11N128W TO 10N123W TO 10N121W TO 13N122W SW TO W WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN MIXED NW AND S SWELL.
.30 HOUR FORECAST CONDITIONS MERGED WITH AREA DESCRIBED ABOVE.
.12 HOUR FORECAST WITHIN 12N132W TO 12.5N132W TO 13N132.5W TO
12.5N133W TO 11.5N133W TO 11.5N132.5W TO 12N132W N TO NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 11N132W TO
12N132W TO 11N135W TO 10N136W TO 09N136W TO 09N135W TO 11N132W SW
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 12N131W TO 12.5N131W TO 12N131.5W TO
11.5N131.5W TO 11.5N131W TO 12N131W NE WINDS 20 TO 25 KT. SEAS
2.5 TO 3.0 M IN MIXED NW AND S SWELL. ELSEWHERE WITHIN 11N130W TO
12N130W TO 11N135W TO 10N135W TO 11N130W SW TO W WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 15.5N95.5W TO 15.5N96.5W TO 15.5N97W TO
15N97W TO 15N96W TO 15N95.5W TO 15.5N95.5W WINDS 20 KT OR LESS.
SEAS 2.5 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15N95.5W TO
14.5N95.5W TO 15N95W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 2.5 M IN S TO SW
SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1200 UTC MON SEP 15...
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 08N78W TO 09N84W TO 14N104W...AND FROM
15N116W TO BEYOND 11N140W. NUMEROUS MODERATE TO STRONG FROM 19N
TO 21N BETWEEN 112W AND 114W. SCATTERED MODERATE ISOLATED STRONG
FROM 03N TO 08N E OF 87W...AND 07N TO 18N BETWEEN 92W AND 106W.
SCATTERED MODERATE FROM 10N TO 15N BETWEEN 111W AND 124W.
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.
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