000
AXPZ20 KNHC 150920
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1005 UTC Wed Sep 15 2021

Tropical Weather Discussion for the eastern Pacific Ocean from
03.4S to 30N, east of 120W including the Gulf of California, and
from the Equator to 30N, between 120W and 140W. The following
information is based on satellite imagery, weather observations,
radar, and meteorological analysis.

Based on 0600 UTC surface analysis and satellite imagery through
0900 UTC.

...TROPICAL WAVES...

The axis of a tropical wave is near 83W north of 03N to across 
western Panama and into the Caribbean Sea, moving west at 10 to 
15 kt. Scattered moderate convection is noted from 03N to 08N 
between 80W and 83W.

The axis of a tropical wave is near 94W north of 04N, moving 
west at 5 to 10 kt. Scattered moderate convection is noted from 
12N to 14N between 91W and 94W.

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

The monsoon trough extends from 10N86W to 18N106W to 11N125W. 
The ITCZ continues from 11N125W to 10N134W and resumes from
10N138W to beyond 10N140W. Aside from convection noted in the
tropical waves section above, scattered moderate and isolated
strong convection is from 08N to 12N between 134W and 140W.

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

The overnight ASCAT pass shows gentle to moderate winds prevail 
west of Baja California with light to gentle winds elsewhere.
Seas are in the 6-7 ft range over the open waters, and 3 ft or
less over the Gulf of California. 

For the forecast, gentle to moderate winds will prevail across 
the waters west of Baja California the next several days. Light 
to gentle winds will prevail elsewhere. SW swell across the area 
will continue to subside through the end of the week. 

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

Light to gentle winds prevail over the offshore waters, along 
with seas in the 6 to 8 ft range. 

For the forecast, SW swell across the region will continue to 
subside through end of the week. Winds over the Papagayo region 
will pulse to moderate to fresh at night during the upcoming 
weekend. Otherwise, gentle to moderate winds will prevail. 

REMAINDER OF THE AREA...

Moderate to locally fresh southerly winds prevail south of 10N 
and west of 120W. Seas are in the 6-7 ft range over this area.
Light to gentle winds prevail south of the monsoon trough east of
120W. Seas continue to subside over this area, with seas in the
6-8 ft range. North of 10N and the monsoon trough, gentle to
moderate winds are west of 130W and light to gentle east of 130W.
Seas are in the 7 to 8 ft range north of 29N between 120W and 
128W in NW to N swell, and 6-7 ft elsewhere. 

For the forecast, winds and seas will continue to gradually 
diminish and subside across the region through the rest of the 
into the weekend.

$$
AL