953
AXPZ20 KNHC 190934
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0900 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
STRONG HIGH PRESSURE BUILDING ACROSS EASTERN MEXICO 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 08N78W TO 10N85W TO 04N95W. THE
ITCZ CONTINUES FROM 04N95W TO 07N120W TO BEYOND 06N140W.
NUMEROUS MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM
09N TO 19N BETWEEN 105W AND 115W.
..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 5 TO 8 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 STATIONARY
FRONT EXTENDING FROM 30N133W TO 18N140W. MODERATE WINDS ARE IN
THE VICINITY OF THE FRONT. LARGE NW SWELL OF 8 TO 11 FT
ACCOMPANIES THE FRONT, COVERING THE AREA NORTH OF 10N AND WEST OF
130W. NUMEROUS SHOWERS AND THUNDERSTORMS ARE ALSO ACTIVE NEAR A
TROUGH ALONG 120W BETWEEN 15N AND 25N, SPECIFICALLY FROM 09N TO
19N BETWEEN 105W AND 115W. 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.
CHRISTENSEN
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