000
FZPN03 KNHC 181529
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON OCT 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON OCT 18.
24 HOUR FORECAST VALID 1200 UTC TUE OCT 19.
48 HOUR FORECAST VALID 1200 UTC WED OCT 20.

.WARNINGS.

...GALE WARNING...
.WITHIN 15N95W TO 15N96W TO 16N95W TO 16N94W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35 
KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN 13N94W TO 12N95W TO 11N98W 
TO 15N96W TO 15N95W TO 13N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 
TO 9 FT. 
.06 HOUR FORECAST WITHIN 10N96W TO 11N99W TO 13N96W TO 16N95W TO
14N94W TO 10N96W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST WITHIN 14N95W TO 14N97W TO 15N96W TO 16N95W TO
16N94W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.12 HOUR FORECAST WITHIN 28N131W TO 28N139W TO 30N139W TO
30N130W TO 28N131W WINDS 20 KT OR LESS. SEAS 8 FT IN NW TO N
SWELL.
.24 HOUR FORECAST WITHIN 28N124W TO 28N129W TO 30N129W TO
30N123W TO 28N124W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO
N SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.36 HOUR FORECAST WITHIN 27N140W TO 30N140W TO 30N133W TO
27N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 27N134W TO 26N140W TO 30N140W TO
30N129W TO 27N134W WINDS 20 KT OR LESS. SEAS 9 TO 11 FT IN NW
SWELL.

.42 HOUR FORECAST WITHIN 01N98W TO 02N102W TO 07N101W TO 06N96W
TO 01N98W WINDS 20 KT OR LESS. SEAS 8 FT IN SE TO S SWELL.
.48 HOUR FORECAST WITHIN 03N97W TO 04N103W TO 05N106W TO 08N104W
TO 08N96W TO 03N97W WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL.

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

CONVECTION VALID AT 1500 UTC MON OCT 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N78W TO 11N100W TO 1010 MB LOW PRESSURE NEAR
11N112W TO 10N125W TO 13N135W TO BEYOND 11N140W. SCATTERED 
MODERATE N OF 03N AND W OF 82W. SCATTERED MODERATE FROM 06N TO 
10N BETWEEN 88W AND 90W. SCATTERED MODERATE FROM 07N TO 12N 
BETWEEN 95W AND 100W...AND FROM 08N TO 10N BETWEEN 107W AN 114W. 
SCATTERED MODERATE TO ISOLATED STRONG FROM 08N TO 11N BETWEEN 
118W AND 130W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.