267  
FZPN03 KNHC 102215  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC WED SEP 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 WED SEP 10.  
24 HOUR FORECAST VALID 1800 UTC THU SEP 11.  
48 HOUR FORECAST VALID 1800 UTC FRI SEP 12.  
 
.WARNINGS.  
   
..GALE WARNING  
   
LOW PRESSURE...PSBL TRPCL CYCLONE  
NEAR 13N97W 1008 MB. WITHIN  
15N96W TO 15N97W TO 15N98W TO 14N98W TO 14N95W TO 15N96W WINDS  
20 TO 25 KT. SEAS 2.5 TO 3.0 M IN MIXED SWELL.   
24 HOUR FORECAST LOW PRESSURE...PSBL TRPCL CYCLONE  
NEAR  
15N100W 1006 MB. WITHIN 15.5N99W TO 15.5N99.5W TO 15N99.5W TO  
14.5N99W TO 15N98.5W TO 15.5N99W WINDS 25 TO 35 KT. SEAS 2.5 TO  
4.5 M. ELSEWHERE WITHIN 16N98W TO 16N99W TO 15N100W TO 14N99W TO  
15N98W TO 16N98W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN MIXED  
SWELL.   
48 HOUR FORECAST LOW PRESSURE...PSBL TRPCL CYCLONE  
NEAR  
16N104W 1004 MB. WITHIN 17N103W TO 17N104W TO 16.5N104.5W TO  
16.5N104W TO 16.5N103.5W TO 16.5N103W TO 17N103W WINDS 30 TO 45  
KT. SEAS 4.0 TO 5.5 M. ELSEWHERE WITHIN 17N103W TO 18N104W TO  
17N104W TO 16N104W TO 16N103W TO 17N103W WINDS 20 TO 33 KT. SEAS  
2.5 TO 4.5 M. REMAINDER OF AREA WITHIN 18N102W TO 18N104W TO  
17N105W TO 16N104W TO 16N103W TO 16N102W TO 18N102W WINDS 20 KT  
OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 10N108W TO 11N108W TO 11N109W TO 10N110W TO 09N111W TO  
09N109W TO 10N108W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW  
SWELL.  
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.WITHIN 02.5S109W TO 03S113W TO 03.4S114W TO 03.4S107W TO  
02.5S109W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW SWELL.  
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.12 HOUR FORECAST WITHIN 17N129W TO 18N130W TO 18N133W TO  
16N132W TO 16N130W TO 17N129W WINDS 20 KT OR LESS. SEAS 2.5 M IN  
MIXED SE AND NE TO E SWELL.  
.24 HOUR FORECAST WITHIN 17N130W TO 18N135W TO 17N138W TO  
15N136W TO 15N131W TO 17N130W WINDS 20 KT OR LESS. SEAS 2.5 M IN  
MIXED SE AND NE TO E SWELL.  
.48 HOUR FORECAST WITHIN 16N134W TO 17N134W TO 17N140W TO  
13N140W TO 14N137W TO 16N134W WINDS 20 KT OR LESS. SEAS 2.5 TO  
3.0 M IN MIXED SE AND NE TO E SWELL.  
 
.18 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO  
15N95.5W TO 15N95W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE  
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN  
2.5 M.  
.24 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO  
15N95.5W TO 15N95W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF  
OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5  
M.  
.48 HOUR FORECAST WITHIN 16.5N94.5W TO 16N95W TO 15N95.5W TO  
15N95W TO 15N94.5W TO 16.5N94.5W...INCLUDING THE GULF OF  
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. 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 WED SEP 10...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
MONSOON TROUGH FROM 10N86W TO A 1011 MB LOW PRES NEAR  
13N96W...EP95...TO A 1011 MB LOW NEAR 12N130W TO 10N134W. ITCZ  
FROM 10N134W TO BEYOND 10N140W. NUMEROUS MODERATE TO STRONG FROM  
12N TO 16N BETWEEN 93W AND 99W. SCATTERED MODERATE FROM 04N TO  
09N E OF 85W...09N TO 13N BETWEEN 91W AND 93W...AND 10N TO 18N  
BETWEEN 100W AND 132W.  
 
 
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.  
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