000
FZPN03 KNHC 101502
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON APR 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON APR 10.
24 HOUR FORECAST VALID 1200 UTC TUE APR 11.
48 HOUR FORECAST VALID 1200 UTC WED APR 12.

.WARNINGS.

...GALE WARNING...

.42 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15.5N BETWEEN 94.5W 
AND 95.5W NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS BUILDING TO 9 FT. ELSEWHERE WITHIN 45 NM EITHER 
SIDE OF LINE FROM 16N95W TO 15N95W TO 14N96W N TO NE WINDS 20 TO 
30 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.W OF LINE FROM 16N140W TO 12N129W TO 07N134W NE WINDS 20 TO 25 
KT. SEAS 8 TO 9 FT. ELSEWHERE N OF LINE FROM 22N112W TO 11N117W 
TO 05N127W TO 04N140W AND E OF LINE FROM 04N140W TO 19N140W TO 
25N125W TO 30N124W...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT PRIMARILY IN NW SWELL...EXCEPT 8 TO 
10 FT N OF 26N.
.12 HOUR FORECAST W OF LINE FROM 19N124W TO 08N123W TO 05N135W 
AND N OF 22N BETWEEN 115W AND 122W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST W OF LINE FROM 19N140W TO 16N129W TO 11N124W 
TO 04N133W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST W OF LINE FROM 18N130W TO 08N121W TO 06N125W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.

.FROM 10.5N TO 11.5N E OF 87W...INCLUDING THE GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST FROM 10.5N TO 11.5N E OF 87.5W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST FROM 10.5N TO 11.5N E OF 87.5W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.48 HOUR FORECAST FROM 10N TO 11.5N E OF 88W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.N OF 29N W OF 138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW 
SWELL.
.06 HOUR FORECAST COLD FRONT APPROACHING 30N140W. N OF 29.5N W 
OF 138W SW WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE N OF 
LINE FROM 30N134W TO 28N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NW SWELL. 
.18 HOUR FORECAST COLD FRONT FROM 30N138W TO 29N140W. N OF 28N W 
OF 127W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N135W TO 28N140W. N OF 28N W 
OF 119W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N128W TO 25.5N140W.
N OF LINE FROM 28N115W TO 25N117W TO 25N120W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC MON APR 10...

.TROUGH FROM 06N119W TO 08N119W TO 10N118W. SCATTERED MODERATE 
ISOLATED STRONG FROM 05N TO 10N BETWEEN 115W AND 122W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 04N89W TO 05N93W TO LOW PRES 1010 MB NEAR 04N97W TO 
02N103W. ITCZ FROM 04N106W TO 06N119W. ITCZ RESUMES FROM 05N120W 
TO 04N124W TO 04N130W TO 02N136W. SCATTERED MODERATE ISOLATED 
STRONG FROM 02N TO 06N BETWEEN 87W AND 98W. SCATTERED MODERATE 
WITHIN 90 NM EITHER SIDE OF LINE FROM 04N124W TO 03N140W AND 
FROM 05N TO 07N BETWEEN 109W AND 114W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.