569  
FZPN03 KNHC 171552  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI  
1630 UTC MON MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 1200 UTC MON MAR 17.  
24 HOUR FORECAST VALID 1200 UTC TUE MAR 18.  
48 HOUR FORECAST VALID 1200 UTC WED MAR 19.  
 
.WARNINGS.  
   
..GALE WARNING  
 
.WITHIN 16N94W TO 16N96W TO 13N97W TO 13N96W TO 13N94W TO 16N94W   
..INCLUDING THE GULF OF TEHUANTEPEC  
N TO NE WINDS 30 TO 45  
KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN 15N93W TO 16N95W TO  
16N97W TO 13N99W TO 11N99W TO 13N94W TO 15N93W N TO NE WINDS 20  
TO 30 KT. SEAS 8 TO 12 FT.  
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO  
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO  
35 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 16N94W TO 16N96W TO  
13N98W TO 12N98W TO 12N96W TO 13N95W TO 16N94W N TO NE WINDS 20  
TO 25 KT. SEAS 8 TO 11 FT IN MIXED SWELL. REMAINDER OF AREA  
WITHIN 15N94W TO 14N99W TO 11N104W TO 09N103W TO 07N98W TO 08N95W  
TO 15N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.   
27 HOUR FORECAST LITTLE CHANGE  
EXCEPT WINDS BELOW GALE FORCE.  
.36 HOUR FORECAST CONDITIONS IMPROVE IN THE TEHUANTEPEC REGION.  
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 28N120W TO 20N140W TO 04N140W TO 02N127W TO 09N114W TO  
14N128W TO 28N120W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO  
N SWELL.  
.24 HOUR FORECAST CONDITIONS MERGED.  
 
.COLD FRONT FROM 30N127W TO 25N140W. WITHIN 30N126W TO 30N140W  
TO 25N140W TO 27N133W TO 30N126W WINDS 20 KT OR LESS. SEAS 8 TO  
13 FT IN NW SWELL...HIGHEST NEAR 30N136W.  
.24 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 29N114W TO  
30N116W TO 30N121W TO 25N122W TO 24N120W TO 24N115W TO 29N114W    
..INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE  
 
N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 24N116W  
TO 30N121W TO 30N140W TO 06N140W TO 06N118W TO 17N129W TO 24N116W  
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.  
.48 HOUR FORECAST WITHIN 29N116W TO 28N120W TO 23N121W TO  
22N117W TO 23N115W TO 29N116W N TO NE WINDS 20 TO 25 KT. SEAS 9  
TO 11 FT IN MIXED SWELL. ELSEWHERE WITHIN 15N119W TO 30N116W TO  
25N140W TO 04N140W TO 02N126W TO 04N101W TO 15N119W...INCLUDING  
NEAR SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...WINDS 20  
KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.  
   
03 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N87W TO 11N86W  
 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS  
LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 12N87W TO 11N91W TO 10N91W TO 09N89W TO  
09N86W TO 10N85W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...  
NE TO E WINDS 20 TO 30 KT. SEAS TO 8 FT.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.12 HOUR FORECAST WITHIN 09N79W TO 09N80W TO 08N80W TO 07N80W TO  
07N79W TO 08N79W TO 09N79W...INCLUDING THE GULF OF PANAMA...N TO  
NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 06N79W TO 08N79W TO 08N80W TO 04N83W TO  
04N82W TO 04N81W TO 06N79W...INCLUDING THE GULF OF PANAMA AND  
NEAR THE AZUERO PENINSULA...N TO NE WINDS 20 TO 25 KT. SEAS LESS  
THAN 8 FT.   
48 HOUR FORECAST LITTLE CHANGE  
EXCEPT SEAS TO 8 FT NEAR  
04N80W.  
 
.12 HOUR FORECAST WITHIN 02S118W TO 02S119W TO 02S120W TO  
03.4S120W TO 03.4S117W TO 02S118W WINDS 20 KT OR LESS. SEAS 8 FT  
IN MIXED S TO SW AND NW TO N SWELL.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST WITHIN 02S114W TO 00N116W TO 01S120W TO  
03.4S120W TO 03.4S110W TO 02S114W WINDS 20 KT OR LESS. SEAS 8 FT  
IN MIXED S TO SW AND NW TO N SWELL.  
 
.18 HOUR FORECAST WITHIN 31.5N114W TO 31.5N115W TO 31N115W TO  
31N114W TO 31.5N114W...INCLUDING THE GULF OF CALIFORNIA...NW  
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 31N113W TO 32N114W TO 31N114W TO  
32N115W TO 31N115W TO 31N114W TO 31N113W...INCLUDING THE GULF OF  
CALIFORNIA...NW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST WITHIN 27N110W TO 28N111W TO 28N113W TO  
24N111W TO 23N109W TO 25N108W TO 27N110W...INCLUDING THE GULF OF  
CALIFORNIA...NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 1500 UTC MON MAR 17...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
MONSOON TROUGH FROM 06.5N77W TO 03N790W. ITCZ FROM 00N100W TO  
00N120W CONTINUING SW TO S OF DISCUSSION WATERS. SCATTERED  
MODERATE WITHIN 120 NM OF COASTS OF COLOMBIA AND ECUADOR.  
 
 
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.  
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