421  
FZPN03 KNHC 260308  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC SAT SEP 26 2026  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 SAT SEP 26.  
24 HOUR FORECAST VALID 0000 UTC SUN SEP 27.  
48 HOUR FORECAST VALID 0000 UTC MON SEP 28.  
 
.WARNINGS.  
   
..HURRICANE WARNING  
 
.HURRICANE POLO NEAR 17.4N 110.1W 911 MB AT 0300 UTC SEP 26  
MOVING WNW OR 298 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 150 KT  
GUSTS 185 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM S  
SEMICIRCLE...120 NM NE QUADRANT AND 100 NM NW QUADRANT. SEAS 4  
M OR GREATER WITHIN 210 NM N SEMICIRCLE...150 NM SE QUADRANT AND  
180 NM SW QUADRANT WITH SEAS TO 14 M. ELSEWHERE WITHIN 19N105W  
TO 20N108W TO 19N111W TO 17N113W TO 15N112W TO 14N111W TO 15N109W  
TO 19N105W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT.  
SEAS 3.5 TO 5.5 M. REMAINDER OF AREA WITHIN 17N103W TO 23N109W  
TO 24N118W TO 12N118W TO 09N109W TO 10N105W TO 17N103W...WITHIN  
60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 3 TO 3.5 M IN MIXED  
SWELL.  
.24 HOUR FORECAST HURRICANE POLO NEAR 19.0N 112.8W. MAXIMUM  
SUSTAINED WINDS 135 KT GUSTS 165 KT. TROPICAL STORM FORCE WINDS  
WITHIN 90 NM OF CENTER EXCEPT 110 NM NE QUADRANT. SEAS 4 M OR  
GREATER WITHIN 180 NM N SEMICIRCLE...210 NM SE QUADRANT AND 150  
NM W SEMICIRCLE OF CENTER WITH SEAS TO 13.5 M. ELSEWHERE WITHIN  
19N110W TO 21N111W TO 21N114W TO 18N116W TO 16N114W TO 16N111W TO  
19N110W WINDS 20 TO 33 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF  
AREA...WITHIN 21N106W TO 27N119W TO 10N119W TO 09N108W TO 11N106W  
TO 21N106W...INCLUDING NEAR CABO CORRIENTES AND WITHIN 60 NM OF  
SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.  
.48 HOUR FORECAST HURRICANE POLO NEAR NEAR 22.6N 113.8W. MAXIMUM  
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS  
WITHIN 90 NM S SEMICIRCLE...100 NM NE QUADRANT AND 80 NM NW  
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE QUADRANT...240 NM  
SE QUADRANT AND 150 NM W SEMICIRCLE OF CENTER WITH SEAS TO 13 M.  
ELSEWHERE WITHIN 22N112W TO 24N113W TO 23N116W TO 20N116.5W TO  
18N116W TO 17N115W TO 19N113W TO 22N112W WINDS 20 TO 33 KT. SEAS  
3 TO 5 M. REMAINDER OF AREA WITHIN 23N109W TO 30N121W TO 15N121W  
TO 13N118W TO 13N110W TO 23N109W....INCLUDING SEBASTIAN VIZCAINO  
BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO  
3.5 M IN MIXED SWELL.  
   
..HURRICANE WARNING  
 
.HURRICANE ODALYS NEAR 18.8N 123.6W 947 MB AT 0300 UTC SEP 26  
MOVING N OR 010 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 105 KT GUSTS  
130 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF CENTER  
EXCEPT 100 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM E  
SEMICIRCLE AND 210 NM W SEMICIRCLE WITH SEAS TO 11.5 M. ELSEWHERE  
WITHIN 20N121W TO 22N125W TO 20N127.5W TO 17N127W TO 16N125W TO  
16N124W TO 17N122W TO 20N121W WINDS 20 TO 33 KT. SEAS 3 TO 5.5 M.  
REMAINDER OF AREA WITHIN 24N118W TO 25N125W TO 21N131W TO  
15N132W TO 10N129W TO 12N117W TO 24N118W WINDS 20 KT OR LESS.  
SEAS 2.5 TO 3.5 M IN MIXED SWELL.  
.24 HOUR FORECAST HURRICANE ODALYS NEAR 20.8N 123.4W. MAXIMUM  
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS  
WITHIN 90 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 70 NM SW  
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM S SEMICIRCLE AND 150  
NM N SEMICIRCLE OF CENTER WITH SEAS TO 9.5 M. ELSEWHERE WITHIN  
22N122W TO 23N125W TO 22N127W TO 19N126W TO 18N125W TO 19N122W TO  
22N122W WINDS 20 TO 33 KT. SEAS 3 TO 5 M. REMAINDER OF AREA  
WITHIN 27N119W TO 29N127W TO 26N131W TO 16N131W TO 10N127W TO  
10N119W TO 27N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN  
MIXED SWELL.  
.48 HOUR FORECAST TROPICAL STORM ODALYS NEAR 22.4N 122.6W.  
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE  
WINDS WITHIN 40 NM W SEMICIRCLE...60 NM NE QUADRANT AND 50 NM SE  
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER WITH SEAS  
TO 7 M. ELSEWHERE WITHIN 23N122W TO 25N123W TO 26N127W TO 23N127W  
TO 20N125W TO 21N124W TO 23N122W WINDS 20 TO 33 KT. SEAS 3 TO 5  
M. REMAINDER OF AREA WITHIN 30N121W TO 30N130W TO 26N140W TO  
18N140W TO 16N129W TO 15N121W TO 30N121W 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.  
   
18 HOUR FORECAST NEW LOW PRES...INVEST EP90  
POSSIBLE TROPICAL  
CYCLONE...NEAR 11N97.5W 1008 MB. WITHIN 10N96W TO 11N96W TO  
11N97W TO 10N97W TO 09N97W TO 09N96W TO 10N96W SW TO W WINDS 20  
TO 25 KT. SEAS TO 2.5 M.   
24 HOUR FORECAST LOW PRES...INVEST EP90  
POSSIBLE TROPICAL  
CYCLONE...NEAR 11.5N98W 1006 MB. LITTLE CHANGE...EXCEPT WINDS 20  
TO 30 KT. SEAS 2.5 TO 3.5 M.   
48 HOUR FORECAST LOW PRES...INVEST EP90  
POSSIBLE TROPICAL  
CYCLONE...NEAR 13N100W 1003 MB. WITHIN 13N96.5W TO 16N97W TO  
14N101W TO 13N101.5W TO 10N101W TO 09N98W TO 10N96W TO 13N96.5W  
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.  
 
.30 HOUR FORECAST NEW LOW PRES JUST W OF AREA NEAR 12N141W 1008  
MB. WITHIN 10N140W TO 09N140W TO 08N136W TO 08N132W TO 09N135W  
TO 10N137W TO 10N140W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.  
.48 HOUR FORECAST LOW PRES NEAR 12N140W 1006 MB. WITHIN 09N131W  
TO 09.5N134W TO 11N137W TO 11N140W TO 07N140W TO 08N136W TO  
09N131W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN  
12N121W TO 11.5N131W TO 12N137W TO 13N140W TO 08N140W TO 07N130W  
TO 12N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 0300 UTC SAT SEP 26...  
   
HURRICANE POLO...NUMEROUS STRONG WITHIN 90 NM NE QUADRANT  
 
150 NM SE AND NW QUADRANTS AND 120 NM SW QUADRANT.  
   
HURRICANE ODALYS...NUMEROUS STRONG WITHIN 120 NM NE QUADRANT  
 
75 NM SE QUADRANT...60 NM SW QUADRANT AND 90 NM NW QUADRANT.  
   
TROPICAL WAVE FROM 16N96W TO LOW PRES...INVEST EP90  
NEAR  
11N97W 1007 MB AND TO 10N97W...SCATTERED MODERATE ISOLATED  
STRONG FROM 06N TO 13N BETWEEN 95W AND 100W AND FROM 03N TO 13N  
BETWEEN 93W AND 95W.  
 
.SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 07N BETWEEN  
82W AND 87W.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 11.5N91W TO INVEST  
EP90 AND TO 14N99W. IT RESUMES TO THE SW OF ODALYS AT 12N127W  
AND TO 11N132.5W TO 14N140W. NUMEROUS MODERATE TO ISOLATED  
FROM 02N TO 10N BETWEEN 129W AND 140W. SCATTERED MODERATE  
ISOLATED WITHIN 120 NM S OF THE TROUGH BETWEEN 85W AND 90W.  
 
 
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.  
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