000
AXPZ20 KNHC 101500
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1230 UTC Tue Oct 10 2017

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 1200 UTC surface analysis and satellite imagery through
1500 UTC.

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

The monsoon trough extends from 10N83W to 16N97W to low pres 
near 14N106W to low pres near 15N116W to low pres near 13N125W to
low pres near 11N137W. Scattered moderate isolated strong
convection was noted from 06N to 08N between 79W and 88W.
Scattered moderate isolated strong convection was noted north of
13N between 90W and 98W. Scattered moderate isolated strong
convection was noted within 90 nm south of the monsoon trough
between 121W and 126W. Scattered moderate convection was noted 
within 90 nm south of the monsoon trough between 135W and 137W. 

...DISCUSSION...

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

A surface ridge extends west of the Baja California Peninsula. 
Light to gentle NW winds, and 6 to 9 ft seas in NW swell are 
observed N of 23N W of the Baja Peninsula. This swell is expected
to subside today, with seas of 3 to 6 ft forecast W of Baja on 
Wed and Wed night. Another round of NW swell will propagate into
the area Thursday, building seas to 7-10 ft N of 25N by Fri.

Strong N winds will develop across the Gulf of Tehuantepec late 
tonight. Winds will further increase to around 30 kt by early 
Thu, then continue well into the upcoming weekend. Seas will 
build to 10 ft downstream of the gulf waters near 15N95W by early
Thu morning. 

OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND 
WITHIN 750 NM OF ECUADOR...
    
Light and variable winds and 3 to 5 ft seas are expected to the 
N of 08N through Fri night. Gentle to moderate SW to W winds, 
and 4 to 7 ft seas are currently observed across the area S of 
08N, except S winds eastward of 84W, with little change expected 
through the remainder of the week.

REMAINDER OF THE AREA...

Mainly gentle to moderate winds prevail north of the monsoon 
trough and west of 130W. Long period NW swell is producing seas 
of 8 to 10 ft over the waters north of 24N between 116W and 132W.
This area of seas will subside to less than 8 ft tonight. 
Another set of long period N swell will reach along 30N late 
tonight. This swell will propagate southward, with seas building 
to 8 to 12 ft north of a line from 33N118W to 27N118W to 14N140W 
on Fri.

$$
AL