000
FZPN03 KNHC 190320
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC THU APR 19 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU APR 19.
24 HOUR FORECAST VALID 0000 UTC FRI APR 20.
48 HOUR FORECAST VALID 0000 UTC SAT APR 21.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 
95.5W N WINDS 25 TO 35 KT. SEAS 8 TO 10 FT.
.30 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N95.5W 
INCLUDING GULF OF TEHUANTEPEC...N WINDS 25 TO 40 KT. SEAS 8 TO 
13 FT.
.42 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95.5W 
TO 12N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
30 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM 
16N95W TO 11N97W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED 
NE AND SW SWELL.
.48 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 
96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. FROM 10N TO 15N 
BETWEEN 94W AND 99W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED NE AND SW SWELL.

.SYNOPSIS AND FORECAST.

.FROM 12N TO 21N W OF 130W WINDS 20 KT OR LESS. SEAS 8 FT IN NW 
SWELL. 
.24 HOUR FORECAST TROUGH FROM 05N129W TO 12N122W. FROM 10N TO 
14N BETWEEN 126W AND 130W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE W OF LINE FROM 21N140W TO 15N115W TO 07N130W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. 
.48 HOUR FORECAST TROUGH FROM 04N132W TO 08N129W. FROM 11N TO 
14N BETWEEN 123W AND 129W NE WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. 
ELSEWHERE W OF LINE FROM 24N140W TO 12N115W TO 05N135W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.S OF LINE FROM 03.4S90W TO 13N111W TO 00N120W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SW AND NW SWELL.
.24 HOUR FORECAST S OF 00S BETWEEN 102W AND 115W WINDS 20 KT OR 
LESS. SEAS 8 FT IN MIXED SW AND NW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 10N89W...
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 
10N89W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.48 HOUR FORECAST FROM 10N TO 11N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST N OF 25N E OF 116W...INCLUDING SEBASTIAN 
VIZCAINO BAY...NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST 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 0300 UTC THU APR 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N78W TO 07N100W. ITCZ FROM 07N100W TO 
08N110W TO 05N124W TO 07N140W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 60 NM S AND 150 NM N OF ITCZ AXIS BETWEEN 104W 
AND 131W. 

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.