203
AXPZ20 KNHC 270849
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC THU NOV 27 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0800 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: A COLD FRONT WILL MOVE ACROSS
THE GULF OF AMERICA THROUGH LATE TODAY. THE PRESSURE GRADIENT
BETWEEN STRONG HIGH PRESSURE BUILDING IN THE WAKE OF THE FRONT
AND THE EASTERN NORTH PACIFIC MONSOON TROUGH IS SUPPORTING
STRONG TO NEAR- GALE FORCE GAP WINDS AND ROUGH SEAS. THESE WINDS
WILL INCREASE TO GALE FORCE BY EARLY TODAY. A PLUME OF FRESH TO
STRONG N TO NE GAP WINDS AND SEAS OF 8 TO 10 FT WILL REACH INTO
PACIFIC WATERS UP TO 480 NM DOWNSTREAM OF THE GULF OF TEHUANTEPEC
BY LATE TODAY. WINDS AND SEAS WILL DIMINISH FRI AND SAT AS THE
HIGH PRESSURE NORTH OF THE AREA SHIFTS EASTWARD AND THE PRESSURE
GRADIENT LOOSENS. PLEASE REFER TO THE LATEST NHC HIGH SEAS
FORECAST AT WEBSITE
HTTPS://WWW.HURRICANES.GOV/TEXT/MIAHSFEP2.SHTML FOR MORE DETAILS.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 07.5N94.5W TO 10N115W
TO 09N121W. THE ITCZ EXTENDS FROM 09N121W TO 07N140W. SCATTERED
MODERATE AND ISOLATED STRONG CONVECTION IS OBSERVED FROM 07N TO
14N BETWEEN 108W AND 128W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
PLEASE REFER TO THE SPECIAL FEATURES SECTION FOR DETAILS ON AN
UPCOMING GALE WARNING IN THE GULF OF TEHUANTEPEC.
ASIDE FROM CONDITIONS IN THE GULF OF TEHUANTEPEC DISCUSSED
ABOVE, MODERATE TO FRESH NW WINDS PREVAIL OVER THE GULF OF
CALIFORNIA. GENTLE TO MODERATE WINDS EXTEND FROM THE ENTRANCE OF
THE GULF TO NEAR CABO CORRIENTES. LIGHT TO GENTLE WINDS ARE NOTED
ELSEWHERE. SEAS ARE IN THE 4-6 FT RANGE OVER THE OPEN WATERS OFF
MEXICO. SEAS OF 3-6 FT PREVAIL IN THE GULF OF CALIFORNIA.
FOR THE FORECAST, GALE FORCE GAP WINDS IN THE GULF OF
TEHUANTEPEC WILL CONTINUE THROUGH FRI MORNING LEADING TO ROUGH
SEAS. FRESH TO STRONG WINDS WILL THEN PERSIST IN THE GULF OF
TEHUANTEPEC INTO EARLY SAT BEFORE DIMINISHING. FARTHER NORTH,
MODERATE TO FRESH WINDS, IN THE CENTRAL AND NORTHERN GULF OF
CALIFORNIA WILL DIMINISH BY THIS EVENING. A WEAK COLD FRONT OR
TROUGH WILL MOVE INTO THE WATERS OFF NORTHERN BAJA CALIFORNIA,
POSSIBLY SUPPORTING MODERATE TO FRESH WINDS NEAR THE ENTRANCE TO
THE GULF OF CALIFORNIA TO CABO SAN LUCAS TO THE REVILLAGIGEDO
ISLANDS SUN AND SUN NIGHT. NO SIGNIFICANT SWELL EVENTS ARE
FORECAST THROUGH THE UPCOMING WEEKEND.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
FRESH TO STRONG NE WINDS ARE OVER THE PAPAGAYO REGION, WITH
MODERATE TO FRESH WINDS EXTENDING DOWNSTREAM TO NEAR 90W. LIGHT
TO GENTLE WINDS ARE ELSEWHERE NORTH OF THE MONSOON TROUGH. GENTLE
TO LOCALLY MODERATE WINDS ARE FOUND SOUTH OF THE MONSOON TROUGH.
SEAS ARE IN THE 3-6 FT RANGE IN MIXED SW AND NW SWELLS, REACHING
7 FT IN THE GULF OF PAPAGAYO.
FOR THE FORECAST, FRESH TO STRONG NE WINDS WILL PREVAIL OVER THE
PAPAGAYO REGION THROUGH SAT. MODERATE OR LIGHTER WINDS ARE
FORECAST ELSEWHERE THROUGH THE REMAINDER OF THE WEEK AND INTO THE
WEEKEND. WHILE NO SIGNIFICANT SWELLS ARE FORECAST, SEAS WILL
BUILD SLIGHTLY IN THE PAPAGAYO REGION DUE TO THE FRESH TO STRONG
WINDS, AND OFFSHORE GUATEMALA TO LOCALLY ROUGH THROUGH FRI DUE TO
A GULF OF TEHUANTEPEC GALE FORCE GAP WIND EVENT.
..REMAINDER OF THE AREA
THE PRESSURE GRADIENT BETWEEN RIDGING NORTH OF 20N AND LOWER
PRESSURE IN THE VICINITY OF THE ITCZ AND LOWER PRESSURE WITHIN
THE MONSOON TROUGH IS SUPPORTING MODERATE TO FRESH WINDS NORTH
OF THE ITCZ TO NEAR 18N AND WEST OF 120W, WITH MODERATE WINDS N
OF THE MONSOON TROUGH TO 15N BETWEEN 110W AND 120W. THE TRADE
WINDS ARE CONTRIBUTING TO 7-9 FT COMBINED SEAS OVER THESE WATERS,
ASSISTED BY A COMPONENT OF LONGER- PERIOD NW SWELL. GENTLE TO
MODERATE BREEZES AND MODERATE SEAS IN A MIX OF SWELL ARE NOTED
ELSEWHERE.
FRESH TRADE WINDS AND 7-9 FT SEAS IN THE TRADE WIND BELT WILL
GRADUALLY DECREASE THROUGH THE END OF THE WEEK AS THE HIGH
PRESSURE NORTH OF THE AREA WEAKENS. A NEW SET OF NW SWELL WITH
ROUGH SEAS MAY ARRIVE BY THE END OF THE WEEK AND INTO NEXT
WEEKEND NORTH OF 25N. MODERATE WINDS AND SEAS WILL PERSIST
ELSEWHERE. A LARGE SET OF NW SWELL MAY ARRIVE TO THE NW WATERS
BY THE END OF THE WEEKEND AND INTO EARLY NEXT WEEK.
AL
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