444 
FZPN03 KNHC 042122
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU MAR 04.
24 HOUR FORECAST VALID 1800 UTC FRI MAR 05.
48 HOUR FORECAST VALID 1800 UTC SAT MAR 06.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT NEAR 30N140W. N OF 29N E OF FRONT TO 136W SW WINDS 
20 TO 25 KT. SEAS 9 TO 14 FT...HIGHEST NEAR 30N140W. ELSEWHERE 
NW OF A LINE FROM 30N116W TO 23N116W TO 15N130W TO 15N140W WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.12 HOUR FORECAST COLD FRONT FROM 30N137W TO 29N140W. NW OF A 
LINE FROM 30N132W TO 26N140W WINDS 20 KT OR LESS. SEAS 12 TO 17 
FT IN NW SWELL. ELSEWHERE N OF 06N W OF 112W WINDS 20 KT OR 
LESS. SEAS 8 TO 12 FT IN NW SWELL...HIGHEST NW OF A LINE FROM 
30N128W TO 23N140W.  
.24 HOUR FORECAST COLD FRONT FROM 30N134W TO 27N140W. NW OF A 
LINE FROM 30N127W TO 23N140W WINDS 20 KT OR LESS. SEAS 12 TO 16 
FT IN NW SWELL. ELSEWHERE N OF 05N W OF 112W WINDS 20 KT OR 
LESS. SEAS 8 TO 12 FT IN NW SWELL...HIGHEST NW OF A LINE FROM 
30N120W TO 15N140W.  
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N121W TO 25N140W. 
ELSEWHERE N OF 04N W OF 110W WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN NW SWELL.

.FROM 06N TO 12N W OF 115W...AND FROM 04N TO 11N BETWEEN 94W 
AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 05N TO 10N BETWEEN 100W AND 112W WINDS 20 
KT OR LESS. SEAS 8 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST CONDITIONS MERGED.

.N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC..4N TO NE WINDS 20 TO 25 KT. SEAS 8 FT. ELSEWHERE 
FROM 12N TO 12N BETWEEN 94W AND 96W WINDS 20 KT OR LESS. SEAS TO 
8 FT IN MIXED NE 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 30 KT. SEAS BUILDING TO 
9 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.

.GULF OF CALIFORNIA 06 HOUR FORECAST S OF 28N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 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. 
.18 HOUR FORECAST N OF 04N BETWEEN 79W AND 81.5W...INCLUDING THE 
GULF OF PANAMA...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT NEAR 
80W.
.24 HOUR FORECAST LITTLE CHANGE.
.42 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 WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST FROM 08N TO 17N W OF 130W...AND FROM 08N TO 
15N BETWEEN 120W AND 130W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT.
.48 HOUR FORECAST FROM 07N TO 13N W OF 120W NE TO E WINDS 20 TO 
25 KT. SEAS 9 TO 12 FT IN MIXED NE AND NW SWELL.

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

CONVECTION VALID AT 2100 UTC THU MAR 4...

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.