860 
FZPN03 KNHC 090923
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE MAR 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE MAR 09.
24 HOUR FORECAST VALID 0600 UTC WED MAR 10.
48 HOUR FORECAST VALID 0600 UTC THU MAR 11.

.WARNINGS.

...GALE WARNING...
.WITHIN 13N95W TO 13N97W TO 16N96W TO 16N95W TO 15N94W TO
13N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
40 KT. SEAS 12 TO 19 FT. ELSEWHERE WITHIN 12N94W TO 10N97W TO 
13N99W TO 15N96W TO 16N94W TO 12N94W NE WINDS 20 TO 30 KT. SEAS 
10 TO 14 FT. REMAINDER OF AREA WITHIN 09N92W TO 02N97W TO 
14N114W TO 13N99W TO 10N97W TO 09N92W WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT IN NW SWELL...EXCEPT IN MIXED NE AND NW SWELL BETWEEN 
92W AND 100W.  
.24 HOUR FORECAST WITHIN 13N95W TO 14N96W TO 16N96W TO 16N95W TO 
16N93W TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 16N94W TO 
14N94W TO 13N96W TO 14N97W TO 16N97W TO 16N94W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 07N91W TO 
01N98W TO 05N114W TO 13N101W TO 14N94W TO 07N91W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL...EXCEPT IN MIXED NE AND NW 
SWELL BETWEEN 91W AND 98W. 
.42 HOUR FORECAST WITHIN 15N94W TO 15N95W TO 15N96W TO 16N96W TO 
16N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN 15N95W TO 07N92W TO 01N98W 
TO 07N113W TO 11N105W TO 15N95W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN MIXED NE AND NW SWELL. 
.48 HOUR FORECAST LITTLE CHANGE. 

.SYNOPSIS AND FORECAST.

.WITHIN 09N133W TO 05N140W TO 21N140W TO 20N125W TO 12N129W TO 
09N133W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE 
WITHIN 04N114W TO 02N140W TO 30N140W TO 30N116W TO 18N112W TO 
04N114W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL... 
EXCEPT 10 TO 12 FT IN NW SWELL N OF 27N.  
.24 HOUR FORECAST WITHIN 12N128W TO 08N133W TO 08N140W TO 
25N140W TO 21N148W TO 12N128W NE TO E WINDS 20 TO 25 KT. SEAS 10 
TO 12 FT. ELSEWHERE WITHIN 06N121W TO 03N140W TO 30N140W TO 
30N116W TO 22N113W TO 06N121W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN NW TO N SWELL. 
.30 HOUR FORECAST COLD FRONT JUST N OF AREA. WITHIN 23N111W TO 
24N115W TO 27N117W TO 30N116W TO 27N113W TO 23N111W NW TO N 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. WITHIN 19N124W TO 12N128W TO 
08N140W TO 24N140W TO 21N128W TO 19N124W NE TO E WINDS 20 TO 25 
KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 20N111W TO 07N113W TO 
03N140W TO 30N140W TO 30N116W TO 20N111W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW TO N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N124W TO 28N140W. WITHIN 
30N126W TO 29N127W TO 29N131W TO 30N132W 30N129W TO 30N126W NW 
TO N WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN NW SWELL. ELSEWHERE 
LITTLE CHANGE.

.WITHIN 07N89W TO 09N91W TO 12N89W TO 12N86W TO 10N85W TO 
07N89W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT. ELSEWHERE WITHIN 06N92W TO 05N94W TO 05N96W TO 
07N97W TO 08N92W TO 06N92W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN N SWELL. 
.24 HOUR FORECAST WITHIN 10N85W TO 09N88W TO 09N89W TO 10N89W TO
11N86W TO 10N85W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 
TO 30 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST WITHIN 10N85W TO 10N87W TO 09N88W TO 10N88W TO 
11N87W TO 10N85W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN 08N89W TO 07N90W TO 
07N92W TO 08N94W TO 09N91W TO 08N89W WINDS 20 KT OR LESS. SEAS 8 
FT IN DECAYING MIXED NE AND NW SWELL.

.WITHIN 06N79W TO 06N80W TO 08N80W TO 08N79W TO 07N78W TO
06N79W...INCLUDING THE GULF OF PANAMA...N WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST WITHIN 06N80W TO 04N79W TO 03N81W TO 04N82W TO 
05N81W TO 06N80W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.18 HOUR FORECAST WITHIN 06N79W TO 06N80W TO 08N80W TO 08N79W TO 
08N78W TO 06N79W...INCLUDING THE GULF OF PANAMA...N 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.

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

CONVECTION VALID AT 0915 UTC TUE MAR 09...

.SCATTERED MODERATE ISOLATED STRONG FROM 06N TO 08N E OF 79W TO 
INLAND FAR NW COLOMBIA AND SOUTHERN PANAMA.

.SCATTERED MODERATE WITHIN 30 NM OF LINE FROM 08N119W TO 07N122W 
TO 07N126W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 07N78W TO 03N90W TO 02N99W TO 03N109W. 
ITCZ AXIS EXTENDS FROM 03N109W TO 04N118W TO 02N130W TO 03N140W. 
SCATTERED MODERATE WITHIN 60 NM OF ITCZ BETWEEN 109W AND 113W... 
ALSO WITHIN 30 NM OF ITCZ BETWEEN 125W AND 129W AND BETWEEN 134W 
AND 139W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.