000
AXPZ20 KNHC 120301
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
159 UTC Thu Apr 12 2018

Tropical Weather Discussion for the eastern Pacific Ocean from
the Equator to 32N, east of 140W. The following information is
based on satellite imagery, weather observations, radar, and
meteorological analysis.

Based on 0000 UTC surface analysis and satellite imagery through
0300 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

A surface trough extends from 09N84W 04.5N101W. The ITCZ
continues from 04.5N101W to 07N117W to 05N140W. Scattered
moderate isolated strong convection was noted within 30 nm of the
trough between 87W and 100W. Scattered moderate isolated strong
convection was noted from 04N to 11N between 107W and 130W. 

...DISCUSSION...

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

Fresh to strong winds are expected in the Gulf of Tehuantepec 
through Thu. Strong NW winds and large NW swell will move into 
the waters off Baja California Norte Thu. Strong winds are 
possible across the length of the Gulf of California Fri night 
into Sat. Gale force winds are possible in the Gulf of 
Tehuantepec Sun and Mon. 

OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND 
WITHIN 750 NM OF ECUADOR... 

Light to gentle winds are expected through the forecast period. 
Seas in the 2 to 4 ft range will continue, except south of 05N 
where southerly swell will maintain seas of 3 to 5 ft. Fresh gap 
winds are possible in the Gulf of Papagayo Thu through Fri.

REMAINDER OF THE AREA... 

The pressure gradient between lower pressure in the vicinity of
the ITCZ and high pressure over the northern waters is producing
gentle to moderate winds north of the ITCZ and west of 120W. High
pressure will build the next 24 hours, bringing an increase in
trades Thu through Sat. NW swell is propagating across the
forecast waters, with seas greater than 8 ft currently west of a
line from 30N123W to 13N140W. The swell will continue to
propagate SE, with seas greater than 8 ft covering the waters
west of 110W by Sunday night. 

$$
AL