890 
FZPN03 KNHC 222116
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU DEC 22 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 22.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 23.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 24.

.WARNINGS.

...STORM WARNING...
.21 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 16N94.5W TO 
16.5N94.5W TO 16N95.5W TO 15N95.5W TO 14.5N95W TO 15N94.5W TO 
16N94.5W N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND
95W NW TO N WINDS 30 TO 35 KT. SEAS TO 9 FT. ELSEWHERE WITHIN 
15N94W TO 16N95W TO 14N96W TO 14N95W TO 15N94W N WINDS 20 TO 30 
KT. SEAS TO 8 FT.
.30 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94W AND 
95W NW TO N WINDS 40 TO 50 KT. SEAS 11 TO 17 FT. ELSEWHERE WITHIN
15N94W TO 16N95W TO 14N96W TO 14N95W TO 15N94W N WINDS 30 TO 40 
KT. SEAS 8 TO 15 FT. REMAINDER OF AREA WITHIN 15N93W TO 16N94W 
TO 16N96W TO 14N96W TO 13N96W TO 14N94W TO 15N93W N TO NE WINDS 
20 TO 30 KT. SEAS 8 TO 11 FT IN N TO NE SWELL.
.39 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 13N96W TO
13N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC... N TO NE WINDS 30 TO 45 KT. SEAS 10 TO 21 FT. 
ELSEWHERE WITHIN 13N93W TO 16N95W TO 13N97W TO 12N99W TO 11N99W 
TO 11N96W TO 13N93W N TO NE WINDS 20 TO 30 KT. SEAS TO 17 FT IN N
TO NE SWELL. REMAINDER OF AREA WITHIN 16N94W TO 16N96W TO 13N98W
TO 11N95W TO 13N93W TO 16N94W N TO NE WINDS 20 TO 25 KT. SEAS 10
TO 12 FT IN NW TO N SWELL. 
.48 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 15N96W TO 13N96W TO
13N95W TO 14N94W TO 15N94W...INCLUDING THE GULF OF 
TEHUANTEPEC... N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 18 FT. 
ELSEWHERE WITHIN 16N94W TO 16N95W TO 13N97W TO 10N101W TO 10N99W 
TO 12N94W TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 16 FT IN
N TO NE SWELL. REMAINDER OF AREA WITHIN 13N92W TO 16N94W TO 
16N96W TO 12N100W TO 10N100W TO 09N95W TO 13N92W WINDS 20 KT OR 
LESS. SEAS 8 TO 13 FT IN N SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 09N131W TO 09N136W TO 10N138W TO 08N140W TO 08N136W TO
07N133W TO 09N131W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO 11 FT
IN NW SWELL. ELSEWHERE WITHIN 30N132W TO 30N140W TO 06N140W TO 
07N118W TO 15N132W TO 30N132W WINDS 20 KT OR LESS. SEAS 8 TO 13 
FT IN NW SWELL...EXCEPT 8 TO 10 FT IN MIXED NW AND E SWELL S OF
14N.
.24 HOUR FORECAST WITHIN 09N137W TO 09N139W TO 09N140W TO 
08N140W TO 08N139W TO 08N137W TO 09N137W NE TO E WINDS 20 TO 25 
KT. SEAS 11 FT IN NW SWELL. ELSEWHERE WITHIN 27N133W TO 30N140W 
TO 00N140W TO 05N125W TO 10N120W TO 27N133W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL...EXCEPT 8 TO 11 FT IN MIXED NW AND E
SWELL S OF 15N.
.48 HOUR FORECAST WITHIN 10N133W TO 11N131W TO 11N136W TO 
08N135W TO 08N134W TO 09N131W TO 10N133W NE TO E WINDS 20 TO 25 
KT. SEAS 10 TO 11 FT IN NW SWELL. ELSEWHERE WITHIN 16N125W TO 
30N130W TO 30N140W TO 00N140W TO 00N131W TO 11N119W TO 16N125W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL...EXCEPT 8 TO 
10 FT IN MIXED NW AND E SWELL S OF 14N.

.WITHIN 09.5N101W TO 09.5N102W TO 09N102.5W TO 09N102W TO
09N101W TO 09.5N101W E WINDS 20 TO 25 KT. SEAS 9 TO 10 FT IN
MERGING NE AND S SWELL. ELSEWHERE WITHIN 10N99W TO 11N101W TO 
10N103W TO 08N103W TO 07N101W TO 08N99W TO 10N99W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN MERGING NE AND S SWELL.
.21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.39 HOUR FORECAST WITHIN 13N109W TO 13N110W TO 12N111W TO 
11N111W TO 11N110W TO 12N108W TO 13N109W NE TO E WINDS 20 TO 25 
KT. SEAS TO 8 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 12N109W TO 13N110W TO 11N111W TO 
11N113W TO 10N113W TO 10N109W TO 12N109W NE TO E WINDS 20 TO 30 
KT. SEAS 9 TO 11 FT IN NW SWELL. ELSEWHERE WITHIN 13N110W TO 
13N112W TO 10N113W TO 10N112W TO 10N110W TO 12N111W TO 13N110W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MERGING NW AND S SWELL.

.15 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10.5N87.5W TO
10.5N86.5W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 11N86W TO 10N88W TO 09N88W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE 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 2030 UTC THU DEC 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N75W TO 09.5N86W TO 07N104W. ITCZ 
EXTENDS FROM 07N104W TO 07N116W TO 06N130W...THEN RESUMES NEAR 
06N134W TO BEYOND 05N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION FROM 03.5N TO 06.5N E OF 85W...AND WITHIN 120 NM N OF
ITCZ BETWEEN 101W AND 136W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.