000
FZPN03 KNHC 042107
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE APR 04 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE APR 04.
24 HOUR FORECAST VALID 1800 UTC WED APR 05.
48 HOUR FORECAST VALID 1800 UTC THU APR 06.

.WARNINGS.

...GALE WARNING...
.36 HOUR FORECAST GULF OF TEHUANTEPEC N WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
15N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS TO 10 FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 
16N95W TO 13.5N95.5W N TO NE NE WINDS 20 TO 30 KT. SEAS TO 8 FT.

.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM 
16N95W TO 12.5N97W N TO NE NE WINDS 20 TO 30 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST.

.EPAC N OF 06N W OF 108W WINDS 20 KT OR LESS. SEAS TO 10 FT 
PRIMARILY IN MIXED N AND NW SWELL.
.24 HOUR FORECAST FROM 06N TO 13N BETWEEN 103W AND 119W WINDS 20 
KT OR LESS. SEAS TO 8 FT. 
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.S OF 02S BETWEEN 93W AND 112W WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN MIXED SW AND NW SWELL.
.24 HOUR FORECAST S OF 00N BETWEEN 98W AND 109W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED SW AND NW SWELL.
.48 HOUR FORECAST S OF 02S BETWEEN 106W AND 114W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED SW AND NW SWELL.

.18 HOUR FORECAST COLD FRONT NW OF AREA. NW OF LINE FROM 30N137W 
TO 28N140W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN NW 
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N138W TO 29N140W. NW OF LINE 
FROM 30N134W TO 27N140W WINDS 20 KT OR LESS. SEAS TO 11 FT 
PRIMARILY IN NW SWELL.
.48 HOUR FORECAST FRONTAL TROUGH FROM 30N131W TO 26N140W. N OF 
29.5N W OF 138W W WINDS 20T O 35 KT. SEAS 10 FT. ELSEWHERE W OF 
LINE FROM 30N125W TO 25N133W TO 26N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT PRIMARILY IN NW SWELL. 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 2100 UTC TUE APR 4...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

A TROUGH EXTENDS SW FROM 07N78W TO 05N84W TO 04N98W. ITCZ FROM 
04N98W TO 02N110W TO 06N123W TO 04N140W. SCATTERED MODERATE 
ISOLATED STRONG FROM 01N TO 07N BETWEEN 83W AND 93W AND WITHIN 
180 NM OF LINE FROM 05N130W TO 05N140W. SECOND ITCZ FROM 03S96W 
TO 03.4S105W. SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM OF 
LINE FROM 03S99W TO 03S111W. SCATTERED MODERATE WITHIN 30 NM OF 
LINE FROM 11N90W TO 13N88W AND WITHIN 30 NM OF 12N105W.  
                                                            
$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.