000
FZPN03 KNHC 100917
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON APR 10 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON APR 10.
24 HOUR FORECAST VALID 0600 UTC TUE APR 11.
48 HOUR FORECAST VALID 0600 UTC WED APR 12.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 14N TO 18N W OF 135W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 
FT. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST FROM 08N TO 14N W OF 135W NE TO E WINDS 20 TO 
25 KT. SEAS 8 FT.
.48 HOUR FORECAST FROM 06N TO 10N W OF 135W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED NE AND NW SWELL.

.N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 
BUILDING 8 TO 9 FT.
.06 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W 
TO 12.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 30 KT WITH HIGHER GUSTS. SEAS 8 TO 10 FT.
.24 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT WITH HIGHER 
GUSTS. SEAS 8 TO 10 FT.
.30 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 16N95W TO 15N95W 
TO 12N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT WITH HIGHER GUSTS. SEAS 8 TO 11 FT.
.48 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT WITH HIGHER 
GUSTS. SEAS 8 TO 9 FT.

.FROM 10N TO 11.5N E OF 88W...INCLUDING THE GULF OF PAPAGAYO... 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
06 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 11N86W TO 10N90W... 
INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS 8 
FT. 
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 89W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.N OF 06N BETWEEN 78.5W AND 80W...INCLUDING THE GULF OF PANAMA 
AND NEAR THE AZUERO PENINSULA...N WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.06 HOUR FORECAST FROM 04N TO 07N BETWEEN 79W AND 81W N WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 HOUR FORECAST COLD FRONT FROM 30N137W TO 28N140W. NW OF 
FRONT N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST COLD FRONT FROM 30N129W TO 27N140W. NW OF 
FRONT N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.36 HOUR FORECAST COLD FRONT FROM 30N126W TO 26N140W. N OF FRONT 
W OF 135W NE WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE N OF 
FRONT WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. FROM 23N 
TO 26N W OF 138W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N124W TO 25N140W. 
N OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. 
ELSEWHERE FROM 17N TO 25N W OF 138W WINDS 20 KT OR LESS. SEAS 8 
FT IN NW SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0900 UTC MON APR 10...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

A SURFACE TROUGH EXTENDS FROM THE COAST OF PANAMA NEAR 08N78W TO 
06N93W. THE ITCZ CONTINUES FROM 06N93W TO 04N115W TO 04N140W. 
SCATTERED MODERATE CONVECTION IS PRESENT FROM 05N TO 07N BETWEEN 
87W AND 90W. ISOLATED MODERATE CONVECTION IS WITHIN ABOUT 150 NM 
N OF THE ITCZ BETWEEN 93W AND 104W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.