000
FZPN03 KNHC 182130
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON OCT 18.
24 HOUR FORECAST VALID 1800 UTC TUE OCT 19.
48 HOUR FORECAST VALID 1800 UTC WED OCT 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N96W TO 11N98W TO 13N96W TO 16N95W TO 14N94W TO
11N96W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 15N95W TO 14N95W TO 14N96W TO 16N95W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 29N132W TO 28N134W TO 29N139W TO
30N139W TO 30N132W TO 29N132W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.
.24 HOUR FORECAST WITHIN 29N123W TO 28N125W TO 28N126W TO
30N126W TO 30N121W TO 29N123W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.30 HOUR FORECAST WITHIN 29N137W TO 29N140W TO 30N140W TO
30N136W TO 29N137W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.48 HOUR FORECAST WITHIN 26N136W TO 25N140W TO 30N140W TO
30N128W TO 26N136W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW
SWELL.

.42 HOUR FORECAST WITHIN 03N98W TO 04N102W TO 06N104W TO 07N102W
TO 05N97W TO 03N98W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S
SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2100 UTC MON OCT 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 07N78W TO 11N100W TO 1010 MB LOW 
PRESSURE NEAR 11N111W TO 09N125W TO 13N135W. ITCZ FROM 13N135W 
TO BEYOND 13N140W. SCATTERED MODERATE N OF 03N AND W OF 82W. 
SCATTERED MODERATE FROM 07N TO 12N BETWEEN 95W AND 100W...AND 
FROM 08N TO 10N BETWEEN 110W AND 115W. SCATTERED MODERATE FROM 
08N TO 11N BETWEEN 115W AND 130W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.