000
FZPN03 KNHC 180259
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN OCT 18 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN OCT 18.
24 HOUR FORECAST VALID 0000 UTC MON OCT 19.
48 HOUR FORECAST VALID 0000 UTC TUE OCT 20.

.WARNINGS.

...GALE WARNING...
.GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 95.5W N TO NE
WINDS 30 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 15N95W TO 
14N95W TO 14N96W TO 16N95W TO 16N94W TO 15N95W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA WITHIN 11N96W TO 
11N98W TO 13N101W TO 13N100W TO 15N94W TO 11N96W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.06 HOUR FORECAST WITHIN 15N95W TO 13N96W TO 14N96W TO 16N95W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 11N97W TO 11N98W TO 
13N101W TO 13N99W TO 16N94W TO 11N97W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN N TO NE SWELL. 
.24 HOUR FORECAST WITHIN 15N94.5W TO 15N95W TO 16N95W TO 
16N94.5W TO 15.5N94.5W TO 15N94.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE 
FROM 14N TO 15.5N BETWEEN 94.5W AND 96W WINDS 20 KT OR LESS. SEAS
8 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 15.5N94W TO 15N94W TO 15N95W TO 16N95W 
TO 16N94.5W TO 15.5N94W...INCLUDING THE GULF OF TEHUANTEPEC... NW
TO N WINDS 20 TO 30 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 29N137W TO 29N140W TO 30N140W TO 30N135W TO 29N137W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.30 HOUR FORECAST WITHIN 02N81W TO 02N82W TO 04N83W TO 04N81W TO
04N79W TO 02N81W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW
SWELL.
.48 HOUR FORECAST WITHIN 01N83W TO 02N87W TO 05N87W TO 06N84W TO
06N79W TO 01N83W...INCLUDING THE GULF OF PANAMA...WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN S TO SW SWELL.

.30 HOUR FORECAST WITHIN 03.4S104.5W TO 03.4S106.5W TO
03.5S106.5W TO 03S106W TO 03S105W TO 03.4S104.5W WINDS 20 KT OR
LESS. SEAS 8 FT IN S TO SW SWELL.
.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 0240 UTC SUN OCT 18...

.LOW PRESSURE 1007 MB NEAR 15N134W...SCATTERED MODERATE 
ISOLATED STRONG FROM 09N TO 23N BETWEEN 129W AND 136W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N75W TO 07.5N82W TO 13N90W TO
09N111W TO 1007 MB LOW PRESSURE NEAR 15N134W TO BEYOND 11N140W. 
SCATTERED MODERATE TO STRONG CONVECTION FROM 03.5N TO 10N E OF 
85W...AND FROM 08N TO 13.5N BETWEEN 103W AND 111W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION FROM 09N TO 15.5N BETWEEN 
94W AND 101W...AND FROM 07.5N TO 14N BETWEEN 112W AND 125W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.