029 
FZPN03 KNHC 182117
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT FEB 18 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT FEB 18.
24 HOUR FORECAST VALID 1800 UTC SUN FEB 19.
48 HOUR FORECAST VALID 1800 UTC MON FEB 20.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 14N97W TO 13N97W TO 13N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 45 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN 13N91W TO 16N94W 
TO 12N103W TO 08N101W TO 08N95W TO 10N92W TO 13N91W NE WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N96W TO 13N97W TO
13N96W TO 13N95W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 9 TO 11 FT.
ELSEWHERE WITHIN 13N93W TO 15N96W TO 13N108W TO 09N110W TO 05N106W 
TO 04N102W TO 13N93W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
13N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN
08N95W TO 11N100W TO 10N110W TO 07N113W TO 04N109W TO 05N97W TO
08N95W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 28N128W 1012 MB. COLD FRONT FROM LOW TO 21N129W. 
WITHIN 30N127W TO 30N140W TO 23N140W TO 24N135W TO 30N127W N TO
NE WINDS 20 TO 30 KT. SEAS 12 TO 14 FT. ELSEWHERE WITHIN 17N134W 
TO 30N125W TO 24N135W TO 30N140W TO 07N140W TO 10N128W TO 17N134W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 28N122W 1013 MB. COLD FRONT FROM 
LOW TO 19N127W. WITHIN 22N124W TO 30N124W TO 30N140W TO
09N140W TO 09N131W TO 16N132W TO 22N124W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 29N119W 1015 MB. COLD FRONT FROM 
LOW TO 15N125W. WITHIN 22N123W TO 30N125W TO 30N140W TO
06N140W TO 07N130W TO 22N123W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL.

.WITHIN 11N86W TO 12N87W TO 10N91W TO 08N94W TO 06N92W TO 07N88W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 30
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 10N86W TO 12N87W TO 11N92W TO 08N96W TO
07N94W TO 08N89W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 09N88W 
TO 07N94W TO 13N90W TO 11N94W TO 04N101W TO 03N94W TO 09N88W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 09N89W TO
09N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 11N89W TO
10N92W TO 09N93W TO 07N92W TO 07N89W TO 08N88W TO 11N89W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.WITHIN 06N79W TO 08N80W TO 07N81W TO 05N82W TO 04N82W TO 05N80W
TO 06N79W...INCLUDING THE GULF OF PANAMA AND NEAR THE AZUERO
PENINSULA...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. 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 2100 UTC SAT FEB 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N81W TO 00N107W. ITCZ FROM 01N107W TO 
04N140W. SCATTERED MODERATE FROM 07N TO 18N AND W OF 133W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.