667 
FZPN03 KNHC 110919
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE APR 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE APR 11.
24 HOUR FORECAST VALID 0600 UTC WED APR 12.
48 HOUR FORECAST VALID 0600 UTC THU APR 13.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N135W TO 28N140W. NW OF FRONT N TO NE WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT IN NW SWELL. 
.24 HOUR FORECAST COLD FRONT FROM 30N124W TO 27N140W. N OF FRONT 
TO 28.5N AND W OF 135W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. ELSEWHERE NW OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
NW SWELL. FROM 20N TO 26N W OF 136W WINDS 20 KT OR LESS. SEAS 8 
FT IN NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N116W TO 25N130W 
TO 25N140W. N OF 29N BETWEEN 118W AND 123W NW WINDS 20 TO 25 KT. 
SEAS 9 TO 11 FT. ELSEWHERE NW OF FRONT WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN NW SWELL E OF 130W. 

.FROM 17N TO 20N W OF 135W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 
FT. 
.24 HOUR FORECAST FROM 07N TO 13N W OF 130W NE TO E WINDS 20 TO 
25 KT. SEAS 8 FT.
.48 HOUR FORECAST FROM 16N TO 25N W OF 134W NE TO E WINDS 20 TO 
25 KT. SEAS 8 FT.

.WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO 13N95.5W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT 
WITH HIGHER GUSTS. SEAS 8 TO 10 FT.
.06 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 16N95W TO 15N95W 
TO 12N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT WITH HIGHER GUSTS. SEAS 8 TO 11 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 9 FT.
.30 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W 
TO 12.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 30 KT WITH HIGHER GUSTS. SEAS 8 TO 10 FT.
.48 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 8 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 TO 8 
FT. 
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 88W...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 TO NE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST 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.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST GULF OF CALIFORNIA N OF 30N AND SE OF A LINE 
FROM 31.5N114W TO 30N115W SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.

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

CONVECTION VALID AT 0900 UTC TUE APR 11...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

A SURFACE TROUGH EXTENDS FROM THE COAST OF COLOMBIA NEAR 07N77W 
TO 05N93W. THE ITCZ CONTINUES FROM 05N93W TO 04N120W TO BEYOND 
04N140W. SCATTERED MODERATE CONVECTION IS EVIDENT ON SATELLITE 
IMAGERY FROM 03N TO 08N BETWEEN 90W AND 100W. SCATTERED MODERATE 
TO ISOLATED STRONG CONVECTION IS OBSERVED FROM 02N TO 05N WEST 
OF 130W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.