AXPZ20 KNHC 171432
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1605 UTC Wed Aug 17 2022
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 1200 UTC surface analysis and satellite imagery through
A tropical wave has its axis near 85W north of 03N, moving west
at 5 kt. No significant convection is evident near the wave axis.
A tropical wave has its axis near 100W north of 03N, moving west
at around 10 kt. Nearby convection is discussed below.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
The monsoon trough extends from 11N85W to 11N100W to 17N115W to
11N129W to 11N140W. Scattered moderate convection is noted from
07N to 15N between 89W and 109W. Scattered moderate isolated
strong convection is noted from 08N to 13N between 120W and 140W.
OFFSHORE WATERS WITHIN 250 NM OF MEXICO...
A relatively weak pressure pattern is supporting gentle to
moderate NW winds off Baja California north of Cabo San Lazaro.
Seas are 5 ft north of Punta Eugenia in NW swell, reaching near 6
ft close to Guadalupe Island. Light to gentle breezes are noted
elsewhere, with 3 to 5 ft seas in open waters in mostly SW swell
south of 20N, and NW to N swell north of 20N. Gentle to moderate
winds are over the northern Gulf of California, with light to
gentle winds and slight seas in the remainder of the Gulf of
For the forecast, gentle to moderate winds and slight to
moderate seas will persist through Sat.
OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND
WITHIN 750 NM OF ECUADOR...
Light to gentle breezes persist north of 05N, with 3 to 5 ft
seas. Gentle to moderate SW winds and 7 to 10 ft seas in SW
swell are noted south of 05N.
For the forecast, moderate SW winds will prevail across the
offshore waters between Ecuador and the Galapagos Island through
the forecast period. SW swell with seas of 7 to 8 ft in this
region will continue to spread northward towards the Central
America offshore waters south of 05N through Thu night. Fresh
winds will pulse across the Gulf of Papagayo and the coast of
Nicaragua Thu night and Fri. Light to gentle winds and moderate
seas will prevail across the northern Central America offshore
waters through Sun.
REMAINDER OF THE AREA...
Winds around the remnant low of Ivette is supporting fresh winds
and seas to 6 ft west of Clarion Island. Winds and seas will
Elsewhere, a broad surface ridge dominates the waters north of
the monsoon trough and west of 120W. Gentle to moderate NE to E
winds are north of the monsoon trough and west of 120W, where
seas are 4-7 ft. Moderate S to SW winds are S of the monsoon
trough with seas in the 5 to 7 ft range.
For the forecast, no major changes are expected elsewhere
through the middle of next week.