000
FZPN03 KNHC 202132
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU APR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU APR 20.
24 HOUR FORECAST VALID 1800 UTC FRI APR 21.
48 HOUR FORECAST VALID 1800 UTC SAT APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 23N BETWEEN 115W AND 121W...INCLUDING SEBASTIAN VIZCAINO 
BAY...NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE NW 
OF LINE FROM 23N112W TO 10N124W TO 09N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST BETWEEN A LINE FROM 21N111W TO 11N119W TO 
06N123W TO 05N140W AND ANOTHER LINE FROM 30N126W TO 24N131W TO 
18N140W WINDS 20 KT OF LESS. SEAS 8 TO 11 FT IN NW SWELL... 
HIGHEST NE.
.48 HOUR FORECAST FROM 12N TO 22N BETWEEN 109W AND 123W...N OF 
22N BETWEEN 114W AND 124W...INCLUDING SEBASTIAN VIZCAINO BAY... 
AND ALSO FROM 05N TO 19N W OF 123W  WINDS 20 KT OR LESS. SEAS TO 
9 FT IN NW SWELL.

.FROM 06N TO 10N BETWEEN 120W AND 133W AND FROM 06N TO 09N W OF 
133W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SW AND NW SWELL.
.24 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE DESCRIBED IN 
PARAGRAPH ABOVE.

.09 HOUR FORECAST NW OF LINE FROM 30N137W TO 28N140W. S TO 
SW WINDS 20 TO 25 KT. SEAS TO 9 FT.
.18 HOUR FORECAST COLD FRONT TO APPROACH FAR NW CORNER OF AREA.
NW OF LINE FROM 30N137W TO 28N140W S TO SW WINDS 20 TO 25 KT. 
SEAS 8 TO 12 FT...HIGHEST NW.
.24 HOUR FORECAST COLD FRONT FROM 30N139W TO 28N140W. N OF 29N 
WITHIN 120 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
ELSEWHERE W OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N132W TO 28N135W 
AND STATIONARY TO 26N140W. W OF LINE FROM 30N131W TO 24N134W TO 
19N131W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL... 
HIGHEST FAR NW.

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

CONVECTION VALID AT 2115 UTC THU APR 20...

.SURFACE TROUGH FROM 14N109W TO 07N108W...SCATTERED MODERATE 
WITHIN 60 NM OF TROUGH FROM 07N TO 12N.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... TROUGH AXIS 
EXTENDS FROM 08N84W TO 06N90W. ITCZ AXIS EXTENDS FROM 07N113W TO 
06N124W TO 06N133W TO 05N140W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 30 NM OF AXIS BETWEEN 90W AND 95W. SCATTERED 
MODERATE WITHIN 30 NM OF AXIS BETWEEN 126W AND 130W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.