000
FZPN03 KNHC 181018
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU APR 18 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU APR 18.
24 HOUR FORECAST VALID 0600 UTC FRI APR 19.
48 HOUR FORECAST VALID 0600 UTC SAT APR 20.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...
.30 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94W AND 
95.5W N WINDS 25 TO 35 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95.5W TO 13N96W N TO NE WINDS 30 TO 40 KT. SEAS 8 TO 18 
FT. ELSEWHERE WITHIN 90 NM EITHER SIDE OF LINE FROM 16N95W TO 
14N95W TO 11N98W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

.SYNOPSIS AND FORECAST.

.FROM 10.5N TO 11.5N E OF 88W...INCLUDING GULF OF PAPAGAYO...NE 
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.N OF 29N BETWEEN 119W AND 125W WINDS 20 KT OR LESS. SEAS 8 FT
IN NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 04N TO 14N W OF 123W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED SWELL.
.24 HOUR FORECAST FROM 08N TO 12N W OF 128W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED NW AND SE SWELL.
.48 HOUR FORECAST FROM 07N TO 15N W OF 135W NE WINDS 20 TO 25 
KT. SEAS 9 FT. ELSEWHERE FROM 04N TO 16N W OF 130W WINDS 20 KT 
OR LESS. SEAS 8 FT IN MIXED NW AND SE SWELL.

.03 HOUR FORECAST GULF OF CALIFORNIA FROM 23N TO 26N NW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST FROM 27N TO 28N NW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0900 UTC THU APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N83W TO 08N88W TO 06N94W TO 06N99W. TROUGH 
FROM 09N102W TO 03N105W. ITCZ FROM 05N106W TO 04N109W TO 06N117W 
TO 06N121W. SECOND TROUGH FROM 11N122W TO 03N124W. ITCZ FROM 
04N126W BEYOND 02N140W. SCATTERED TO NUMEROUS STRONG FROM 05N TO 
08N BETWEEN 121W AND 125W. 

$$ 
.FORECASTER MT. NATIONAL HURRICANE CENTER.