092
AXPZ20 KNHC 191435
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC MON JAN 19 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
1430 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
STRONG HIGH PRESSURE NORTH OF THE AREA AND THE EASTERN NORTH
PACIFIC MONSOON TROUGH IS SUPPORTING GALE- FORCE N GAP WINDS OVER
THE GULF OF TEHUANTEPEC. THIS GALE WILL LIKELY LAST INTO WED
MORNING. VERY ROUGH SEAS OVER THE TEHUANTEPEC AREA WILL SPREAD
SW, REACHING AS FAR AS 100W TODAY. MARINE INTERESTS TRANSITING
ACROSS THE GULF OF TEHUANTEPEC INTO THE MIDDLE PART OF THE WEEK
SHOULD BE AWARE OF THESE GALE- FORCE GAP WINDS AND TAKE THE
NECESSARY ACTION TO AVOID HAZARDOUS MARINE CONDITIONS OVER THE
AFFECTED WATERS.
PLEASE READ THE LATEST HIGH SEAS FORECAST ISSUED BY THE NATIONAL
HURRICANE CENTER AT WEBSITE-
HTTPS://WWW.NHC.NOAA/GOV/TEXT/MIAHSFEP2.SHTML FOR MORE DETAILS.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 04N97W TO 07N112W. THE
ITCZ CONTINUES FROM 07N112W TO BEYOND 08N140W. NUMEROUS MODERATE
TO ISOLATED STRONG CONVECTION IS NOTED FROM 10N TO 18N BETWEEN
102W AND 113W. SCATTERED MODERATE AND ISOLATED STRONG
CONVECTION IS NOTED FROM 05N TO 10N BETWEEN 132W AND 140W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
A GALE WARNING REMAINS IN EFFECT FOR THE TEHUANTEPEC REGION.
REFER TO THE SPECIAL FEATURES SECTION ABOVE FOR DETAILS.
OUTSIDE OF THE TEHUANTEPEC AREA, GENTLE TO MODERATE WINDS AND
MODERATE SEAS PERSIST ACROSS THE MEXICAN OFFSHORE WATERS.
NUMEROUS SHOWERS AND THUNDERSTORMS ARE ACTIVE NEAR CLARION
ISLAND, ASSOCIATED WITH A TROUGH IN THE AREA.
FOR THE FORECAST, ASIDE FROM THE TEHUANTEPEC GALE, GENTLE TO
MODERATE WINDS WILL PREVAIL THROUGH THE MIDDLE PART OF THE WEEK.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
FRESH TO STRONG GAP WINDS, AND SEAS OF 7 TO 10 FT, PREVAIL
ACROSS THE GULF OF PAPAGAYO, EXTENDING SW TO 90W. ELSEWHERE,
WINDS ARE MODERATE OR WEAKER WITH SEAS IN THE 3 TO 5 FT RANGE.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE
NORTH OF THE AREA AND THE EASTERN NORTH PACIFIC MONSOON TROUGH
WILL SUPPORT FRESH TO STRONG NE TO E WINDS AND ROUGH SEAS IN THE
PAPAGAYO REGION THROUGH AT LEAST THE MIDDLE OF THE WEEK. THE
PRESSURE GRADIENT WILL ALSO SUPPORT MODERATE TO FRESH N WINDS
OVER THE GULF OF PANAMA TONIGHT INTO WED NIGHT. ELSEWHERE, WINDS
WILL BE MODERATE OR WEAKER OVER THE FORECAST WATERS THROUGH
MIDWEEK. NW TO N SWELL GENERATED BY GALES OVER THE GULF OF
TEHUANTEPEC WILL BRING ROUGH TO VERY ROUGH SEAS WELL OFFSHORE
GUATEMALA AND EL SALVADOR THROUGH MIDWEEK.
..REMAINDER OF THE AREA
A FEW SHOWERS AND THUNDERSTORMS ARE ACTIVE ALONG A DISSIPATING
FRONTAL BOUNDARY EXTENDING FROM 30N130W TO 18N140W. MODERATE
WINDS ARE IN THE VICINITY OF THE FRONT. LARGE NW SWELL OF 8 TO 9
FT ACCOMPANIES THE FRONT, COVERING THE AREA NORTH OF 15N AND
WEST OF 131W. NUMEROUS SHOWERS AND THUNDERSTORMS ARE ALSO ACTIVE
NEAR A TROUGH ALONG 121W FROM 19N AND 25N. GENTLE TO MODERATE
BREEZES AND MODERATE COMBINED SEAS, PRIMARILY IN NW SWELL,
DOMINATE ELSEWHERE.
FOR THE FORECAST, THE FRONT WILL DISSIPATE THIS MORNING. THE
LARGE NW SWELL WILL GRADUALLY SUBSIDE THROUGH THE MIDDLE OF THE
WEEK. FRESH TO STRONG WINDS FROM THE GULF OF TEHUANTEPEC AND GULF
OF PAPAGAYO GAP WILL SPREAD INTO THE REGION THROUGH TUE NIGHT
ALONG WITH SEAS OF 8-12 FT. ELSEWHERE, WINDS SHOULD REMAIN
MODERATE OR WEAKER, WITH SEAS LESS THAN 8 FT, FOR THE NEXT
SEVERAL DAYS.
AL
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