067
AXPZ20 KNHC 232007
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC TUE DEC 23 2025
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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2000 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
HIGH PRESSURE NORTH OF THE AREA AND THE EASTERN NORTH PACIFIC
MONSOON TROUGH WILL SUPPORT FRESH TO NEAR GALE-FORCE NORTHERLY
GAP WINDS AND MODERATE TO ROUGH SEAS IN THE GULF OF TEHUANTEPEC
THROUGH THE END OF THE WEEK. WINDS IN TEHUANTEPEC WILL PULSE TO
GALE-FORCE TONIGHT AND WED NIGHT. SEAS WILL PEAK AROUND 11 FT
(3.5 M) WITH THE STRONGEST WINDS. CONDITIONS WILL IMPROVE BY THE
WEEKEND.
NORTHERN WATERS GALE WARNINGS: A COLD FRONT EXTENDS FROM LOW
PRESSURE NORTH OF THE AREA NEAR 32N128W TO 30N129W TO 20N140W.
STRONG TO LOCALLY GALE- FORCE WINDS ARE IN THE VICINITY OF THE
FRONT IN THE NORTHERN WATERS, AND WILL CONTINUE THIS EVENING
MAINLY NORTH OF 28N. WINDS WILL DIMINISH BELOW GALE- FORCE DURING
THE OVERNIGHT HOURS. SEAS WILL BUILD TO NEAR 12 FT (4.0 M) WITH
THIS SYSTEM EARLY TONIGHT.
A SECOND LOW WILL PASS NORTH OF THE AREA. GALE FORCE WINDS SOUTH
OF THE LOW WILL IMPACT THE NORTHERN WATERS, MAINLY N OF 29N WED
INTO WED EVENING. THE LOW WILL SHIFT NORTHWARD, WITH GALE FORCE
WINDS SHIFTING N OF THE AREA LATE WED NIGHT. THE LOW WILL THEN
WEAKEN THU INTO FRI, WITH WINDS OVER THE DISCUSSION AREA
DIMINISHING BELOW STRONG SPEEDS THU NIGHT. THIS SYSTEM WILL
GENERATE A NEW SET OF LARGE NW SWELL, WHICH WILL REINFORCE THE
VERY ROUGH SEAS GENERATED FROM THE FIRST GALE FORCE SYSTEM.
COMBINED SEAS OF 12 TO 18 FT (3.5-5.5 M) WILL SPREAD OVER THE
NORTHERN WATERS, COVERING MUCH OF THE WATERS N OF 24N AND W OF
125W BY THU BEFORE STARTING TO SUBSIDE.
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 INFORMATION.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 09.5N85W TO 06N95W TO 10N113W.
THE ITCZ CONTINUES FROM 10N113W TO 11N131W. IT RESUMES FROM
10N138W TO BEYOND 10N140W. SCATTERED MODERATE CONVECTION IS
NOTED FROM 08N TO 20N BETWEEN 108W AND 121W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
PLEASE READ THE SPECIAL FEATURES SECTION FOR MORE DETAILS ON A
GALE WARNING IN THE GULF OF TEHUANTEPEC.
ASIDE FROM THE GULF OF TEHUANTEPEC, GENTLE TO MODERATE WINDS ARE
NOTED OFF BAJA CALIFORNIA NORTE, OVER THE NORTHERN GULF OF
CALIFORNIA, AND NEAR THE REVILLAGIGEDO ISLANDS. ELSEWHERE, LIGHT
TO GENTLE WINDS, AND SLIGHT TO MODERATE SEAS PREVAIL.
FOR THE FORECAST, ASIDE FROM THE GULF OF TEHUANTEPEC, A COLD
FRONT WILL APPROACH THE OFFSHORE WATERS OF BAJA CALIFORNIA NORTE,
SUPPORTING FRESH TO STRONG SOUTHERLY WINDS TONIGHT INTO WED.
NORTHWEST SWELL WILL PROPAGATE INTO THE WATERS NORTH OF PUNTA
EUGENIA TONIGHT INTO WED. A REINFORCING SWELL WILL SPREAD ROUGH
SEAS ACROSS THE OFFSHORE WATERS OF THE BAJA CALIFORNIA PENINSULA
THE END OF THE WEEK INTO THE WEEKEND. FRESH TO STRONG SOUTHERLY
WINDS WILL DEVELOP IN THE NORTHERN GULF OF CALIFORNIA WED NIGHT
INTO THU.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
FRESH TO LOCALLY STRONG WINDS ARE OVER THE GULF OF PAPAGAYO, WITH
MODERATE WINDS EXTENDING WESTWARD TO NEAR 90W. MODERATE WINDS
ARE IN THE GULF OF PANAMA AND OFF THE COAST OF COLOMBIA. GENTLE
WINDS ARE ELSEWHERE N OF 02N. S OF 02N, GENTLE TO LOCALLY MODERATE
WINDS PREVAIL. SEAS ARE IN THE 3-5 FT RANGE, EXCEPT REACHING 6 FT
IN THE GULF OF PAPAGAYO.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE
NORTH OF THE AREA AND THE EASTERN NORTH PACIFIC MONSOON TROUGH
WILL SUPPORT PULSING FRESH TO STRONG NORTHEAST TO EAST GAP WINDS
IN THE GULF OF PAPAGAYO OVER THE NEXT SEVERAL DAYS. MAINLY GENTLE
TO MODERATE NORTH WINDS ARE EXPECTED IN THE GULF OF PANAMA
DURING THE PERIOD, OCCASIONALLY REACHING FRESH SPEEDS AT NIGHT.
MODERATE OR LIGHTER WINDS AND SLIGHT TO MODERATE SEAS ARE
EXPECTED ELSEWHERE THROUGH THE PERIOD.
..REMAINDER OF THE AREA
PLEASE READ THE SPECIAL FEATURES SECTION FOR MORE DETAILS ON TWO
GALE WARNINGS IN THE NORTHERN WATERS.
ASIDE FROM THE AREA OF LOW PRESSURE WITH A GALE WARNING, A HIGH
PRESSURE PREVAILS ACROSS THE WATERS N OF 20N, ANCHORED BY A 1017
MB HIGH NEAR 24N115W. THE PRESSURE GRADIENT BETWEEN THIS AREA OF
HIGH PRESSURE AND LOWER PRESSURE IN THE VICINITY OF HE ITCZ IS
SUPPORTING FRESH TO LOCALLY STRONG WINDS N OF THE ITCZ TO NEAR
18N BETWEEN 114W AND 117W. ELSEWHERE, WINDS ARE MODERATE OR
WEAKER ALONG WITH MODERATE SEAS.
FOR THE FORECAST, ASIDE FROM THE GALE WARNINGS DISCUSSED ABOVE,
WINDS WILL BE MODERATE OR WEAKER THROUGH THE PERIOD. LARGE NW
SWELL GENERATED FROM THE TWO GALE FORCE SYSTEMS WILL SPREAD ROUGH
SEAS SE ACROSS THE DISCUSSION WATERS. SEAS GREATER THAN 8 FT WILL
COVER MUCH OF THE WATERS N OF 10N AND W OF 110W ON SAT BEFORE
SEAS START TO SUBSIDE.
AL
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page