000
FZPN03 KNHC 180919
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU JAN 18 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU JAN 18.
24 HOUR FORECAST VALID 0600 UTC FRI JAN 19.
48 HOUR FORECAST VALID 0600 UTC SAT JAN 20.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N95W TO 15N96W TO 14N96W TO 14N95W TO 15N94.5W TO 
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 16N94W TO 16N95W TO 
14N98W TO 12N101W TO 12N97W TO 12N95W TO 16N94W NE WINDS 20 TO 30
KT. SEAS 8 TO 14 FT. REMAINDER OF AREA WITHIN 16N94W TO 16N95W 
TO 12N101W TO 10N98W TO 10N95W TO 12N93W TO 16N94W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.03 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 13N96W TO 14N95W TO 
15N94W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 14N93W TO 
16N95W TO 13N99W TO 12N104W TO 09N102W TO 07N96W TO 14N93W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.12 HOUR FORECAST WITHIN 12N104W TO 08N103W TO 07N97W TO 09N97W 
TO 12N103W WINDS 20 KT OR LESS. SEAS TO 8 FT IN DECAYING NE 
SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO 
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO 
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...
N WINDS 25 TO 35 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO 
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 40 
KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 16N94W TO 16N95W TO 14N96W 
TO 13N96W TO 13N95W TO 14N94W TO 16N94W N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 12N87W TO 12N88W TO 10N89W TO 09N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 
30 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N91W TO 09N91W TO 
09N89W TO 10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... 
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 11N86W TO 12N88W TO 10N88W TO 10N87W TO 
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 11N87W TO 11N88W TO 10N89W TO 10N88W TO 
10N87W TO 10N86W TO 11N87W...INCLUDING THE GULF OF PAPAGAYO...NE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.

.COLD FRONT FROM 30N138W TO 28N140W. WITHIN 30N137W TO 30N140W 
TO 27N140W TO 29N137W TO 30N137W S WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N136W TO 26N140W. WITHIN 
30N131W TO 30N140W TO 28N140W TO 27N135W TO 30N131W S TO SW 
WINDS 20 TO 25 KT...EXCEPT W WINDS 20 TO 25 KT W OF FRONT. SEAS 
8 TO 12 FT...EXCEPT 11 TO 15 FT IN NW SWELL N OF 28N W OF 138W. 
.42 HOUR FORECAST COLD FRONT FROM 30N129W TO 25N138W. WITHIN 
30N126W TO 30N140W TO 15N140W TO 22N135W TO 30N126W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN W TO NW SWELL...EXCEPT 11 TO 14 FT N 
OF 28N W OF 135W.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N126W TO 26N135W.
WITHIN 30N125W TO 30N140W TO 15N140W TO 24N132W TO 30N125W WINDS 
20 KT OR LESS. SEAS 8 TO 12 FT...HIGHEST N OF 28N BETWEEN 131W 
AND 139W.

.WITHIN 11N118W TO 23N132W TO 18N140W TO 00N140W TO 03.4S120W TO 
03.4S113W TO 11N118W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED NE TO E WIND WAVES AND NW SWELL.
.24 HOUR FORECAST WITHIN 14N123W TO 14N140W TO 00N140W TO 
03.4S112W TO 05127W TO 14N123W  WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 09N123W TO 15N140W TO 03.4S113W TO 
04N127W TO 09N123W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
PRIMARILY IN MIXED NE AND NW SWELL.

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

CONVECTION VALID AT 0900 UTC THU JAN 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N83W TO 06N88W TO 05N90W.
ITCZ EXTENDS FROM 05N90W TO 05N99W TO 07N106W TO 06N120W TO 
05N128W TO 06N132W TO 07N140W. SCATTERED MODERATE WITHIN 60 NM S 
OF THE ITCZ BETWEEN 131W AND 135W AND WITHIN 30 NM N OF THE ITCZ
BETWEEN 101W AND 104W AND ALSO BETWEEN 120W AND 124W. 

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.