000
FZPN03 KNHC 041523
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU MAR 04 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU MAR 04.
24 HOUR FORECAST VALID 1200 UTC FRI MAR 05.
48 HOUR FORECAST VALID 1200 UTC SAT MAR 06.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO 13N96W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. ELSEWHERE FROM 10N TO 12N BETWEEN 94W AND 100W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NW AND SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS BUILDING TO 
8 FT.

.FROM 10N TO 12N E OF 89W...INCLUDING THE GULF OF PAPAGAYO...NE 
TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.COLD FRONT NEAR 30N140W. NW OF A LINE FROM 30N116W TO 23N116W 
TO 16N130W TO 16N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
SWELL.
.12 HOUR FORECAST FROM 30N140W TO 29N141W. N OF 29N E OF FRONT 
TO 135W SW WINDS 20 TO 25 KT. SEAS 10 TO 16 FT IN NW SWELL. 
ELSEWHERE NW OF A LINE FROM 30N132W TO 28N140W WINDS 20 KT OR 
LESS. SEAS 9 TO 13 FT IN NW SWELL. REMAINDER OF AREA N OF 06N W 
OF 112W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.  
.24 HOUR FORECAST COLD FRONT FROM 30N135W TO 27N140W. N OF 05N W 
OF 112W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL... 
EXCEPT 12 TO 17 FT NW OF A LINE FROM 30N129W TO 24N140W.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N126W TO 27N134W. 
ELSEWHERE N OF 05N W OF 112W WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN NW SWELL...EXCEPT 12 TO 14 FT N OF 21N AND W OF A LINE 
FROM 30N124W TO 21N130W.

.FROM 06N TO 12N W OF 115W...AND FROM 04N TO 11N BETWEEN 93W 
AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 05N TO 10N BETWEEN 98W AND 112W WINDS 20 
KT OR LESS. SEAS 8 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA 12 HOUR FORECAST S OF 28N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST N OF 05N BETWEEN 79W AND 81W...INCLUDING THE 
GULF OF PANAMA...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST N OF 04N BETWEEN 79W AND 81W...INCLUDING THE 
GULF OF PANAMA...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT NEAR 
80W.
.48 HOUR FORECAST N OF 05N BETWEEN 79W AND 81W...INCLUDING THE 
GULF OF PANAMA...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 

.48 HOUR FORECAST FROM 08N TO 12N W OF 123W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL.

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

CONVECTION VALID AT 1500 UTC THU MAR 4...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM NORTHERN COLOMBIA NEAR 10N74W TO 
05N90W TO 03N100W. THE ITCZ CONTINUES FROM 03N100W TO 03N120W TO 
04N140W. A WEAK SURFACE TROUGH IS WITHIN THE ITCZ JUST W OF 140W.
SCATTERED MODERATE CONVECTION IS NOTED FROM 02N-06N BETWEEN 87W-
95W. SIMILAR CONVECTION IS FROM 05N-07N BETWEEN 135W-140W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.