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Eastern North Pacific Tropical Weather Discussion


395 
AXPZ20 KNHC 251525
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1605 UTC Thu Jun 25 2026

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
1500 UTC.

...TROPICAL WAVES...

The axis of a tropical wave is near 99W, south of 16N, moving 
west around 20 kt. Scattered moderate and isolated strong 
convection is occurring from 09N-14N between 99W-103W. 

The axis of a tropical wave is near 106W, south of 17N, moving 
westward at around 10 kt. Numerous moderate and scattered strong
convection is noted from 10N-19N between 104W-108W.

The axis of a tropical wave is near 120W, south of 21N, moving 
westward at around 10 to 15 kt. No significant deep convection is
occurring with this system this morning.

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

The monsoon trough extends from coastal Costa Rica at 10N84W to
08N92W to 13N113W to 10N124W. The ITCZ extends from 10N124W to
beyond 08N140W. Numerous moderate and scattered strong
convection is noted from 10N-19N between 104W-108W and from
03N-07N between 93W-97W. Scattered moderate and isolated strong 
convection is occurring from 09N-14N between 99W-103W and from
04N-09N between 78W-87W.

...OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

A Tehauntepec gap wind event is producing fresh to strong N to 
NE winds with seas 7-9 ft this morning. A surface ridge extends 
from 27N120W southeastward to 20N108W. Winds elsewhere across the
offshore waters are moderate or weaker. Seas on the Pacific 
waters are 5-6 ft in S to SW swell and are 2-4 ft over the Gulf 
of California waters. 

For the forecast, low pressure over the deep tropics will 
continue inducing fresh to strong N to NE gap winds across the 
Gulf of Tehuantepec through tomorrow. Elsewhere, winds and seas 
across the Mexican offshore waters should be quiescent through 
early next week. Looking ahead, large NW swell may move into the 
waters off Baja California Norte starting Sun night. 

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

A gap wind event is forcing fresh to strong NE winds across the
Gulf of Papagayo region this morning with seas 7-9 ft. Elsewhere
winds are moderate or weaker. Seas are 7-9 ft in S swell over the
equatorial waters and 5-6 ft in SW swell over the remainder of
the offshore waters. 

For the forecast, the pressure difference between high pressure 
north of the area and the monsoon trough farther south is 
supporting a Gulf of Papagayo region gap wind event. Fresh to 
strong NE to E winds should last through early next week. 
Elsewhere, winds should remain quiescent. Large S swell moving 
into the equatorial waters tonight will continue through Sat 
night. 

...REMAINDER OF THE AREA...

A 1008 mb low is centered near 18N121W. Winds within 120 NM in
the N semicircle are fresh to strong with seas 6-7 ft. A surface
ridge extends from a 1032 mb high at 37N149W southeastward to 
30N130W to 27N120W to 20N108W. The moderate pressure gradient 
between the ridge and lower pressure over the monsoon trough/ITCZ
is forcing moderate to fresh NE trades between 10N and the 
ridge. Elsewhere, winds across the open Pacific are moderate or
weaker. Seas are 5-8 ft in mixed SW and N swell.

$$
Landsea