542
AXPZ20 KNHC 242037
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC TUE FEB 24 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
1930 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: THE AREA OF HIGH PRESSURE THAT
WAS N OF THE AREA AND RESPONSIBLE FOR THE TIGHT PRESSURE
GRADIENT HAS STARTED TO SHIFT EASTWARD. THIS HAS LOOSENED THE
PRESSURE GRADIENT ACROSS THE AREA, WITH MINIMAL GALE FORCE WINDS
ACROSS THE GULF OF TEHUANTEPEC, AND SEAS PEAKING NEAR 19 FT. THE
AREA OF HIGH PRESSURE WILL SHIFT FURTHER EASTWARD TONIGHT,
FURTHER LOOSENING THE PRESSURE GRADIENT. THE LOOSENING PRESSURE
GRADIENT WILL CAUSE WINDS TO FURTHER DIMINISH, FALLING BELOW GALE
FORCE BY WED MORNING. MARINE CONDITIONS WILL IMPROVE THROUGH THE
DAY ON WEDNESDAY. LARGE SEAS GENERATED FROM THIS GAP WIND EVENT
WILL SPREAD WELL AWAY FROM THE TEHUANTEPEC AREA, WITH SEAS 8 FT
OR GREATER REACHING AS FAR WEST AS 109W AND SOUTH TO 02N THIS
AFTERNOON.
GULF OF PAPAGAYO GALE WARNING: THE PRESSURE GRADIENT BETWEEN
HIGH PRESSURE PASSING N OF THE AREA AND THE EQUATORIAL TROUGH IS
SUPPORTING STRONG TO NEAR- GALE FORCE NE TO E GAP WINDS IN THE
PAPAGAYO REGION. THE HIGH CENTER WILL BE CENTERED N OF THE AREA
TONIGHT. WITH THE TIGHTENING PRESSURE GRADIENT FROM THE LOCATION
OF THE HIGH CENTER, AS WELL AS THE ADDED COMPONENT OF NOCTURNAL
DRAINAGE FLOW, WINDS WILL PULSE TO GALE- FORCE TONIGHT, WITH
STRONG TO NEAR- GALE FORCE WINDS EXTENDING DOWNSTREAM OF THE
GULF. THE WINDS ARE GENERATING VERY ROUGH SEAS IN THE GULF OF
PAPAGAYO, WITH ROUGH SEAS EXTENDING DOWNSTREAM OF THE GULF. GALE
CONDITIONS WILL REMAIN THROUGH WED MORNING, WHEN THE HIGH CENTER
SHIFTS EASTWARD AND THE PRESSURE GRADIENT LOOSENS.
MARINE INTERESTS TRANSITING ACROSS OR IN THE GULF OF
TEHUANTEPEC AND PAPAGAYO REGIONS SHOULD BE AWARE OF THESE GALE
FORCE GAP WIND EVENTS AND TAKE THE NECESSARY ACTION TO AVOID THE
HAZARDOUS MARINE CONDITIONS THAT HAVE BEEN GENERATED OVER THE
AFFECTED WATERS.
PLEASE READ THE LATEST NWS HIGH SEAS ISSUED BY THE NATIONAL
HURRICANE CENTER AT WEBSITE:
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML
HEAVY PRECIPITATION EVENT: HEAVY PRECIPITATION WILL CONTINUE FOR
ECUADOR, PERU AND COLOMBIA THROUGH THE EARLY HOURS OF THURSDAY.
THIS PRECIPITATION WILL BE DUE TO PERSISTING MOIST ONSHORE FLOW
THAT WILL INTERACT WITH THE ANDES MOUNTAINS. LOCAL RAINFALL
AMOUNTS OF 4 TO 6 INCHES (100 TO 150 MM) WILL BE LIKELY.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
A SURFACE TROUGH EXTENDS FROM 09N80W TO 08N85W TO 00N97W. THE
ITCZ EXTENDS FROM 03S100W TO 04S111W TO 00N140W. SCATTERED
MODERATE CONVECTION IS NOTED SOUTH OF 07N BETWEEN 85W AND 92W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
PLEASE SEE THE SPECIAL FEATURES SECTION FOR INFORMATION ON A GALE
WARNING FOR THE GULF OF TEHUANTEPEC.
ASIDE FROM THE GULF OF TEHUANTEPEC, A SURFACE RIDGE EXTENDS WEST
OF BAJA CALIFORNIA, WITH A SURFACE TROUGH OVER WESTERN MEXICO.
THE PRESSURE GRADIENT BETWEEN THESE FEATURES IS SUPPORTING
GENTLE TO LOCALLY MODERATE NW WINDS OVER THE GULF OF CALIFORNIA
AND WEST OF THE BAJA CALIFORNIA PENINSULA. LIGHT TO GENTLE WINDS
ARE ELSEWHERE, EXCEPT FOR MODERATE NW WINDS OFFSHORE CABO
CORRIENTES. MODERATE SEAS PREVAIL OVER THE OPEN WATERS OFF
MEXICO, WITH SLIGHT SEAS IN THE GULF OF CALIFORNIA.
FOR THE FORECAST ASIDE FROM THE GULF OF TEHUANTEPEC, MODERATE OR
WEAKER WINDS ARE FORECAST ELSEWHERE THROUGH SAT NIGHT, EXCEPT
FRESH TO STRONG WINDS IN THE GULF OF TEHUANTEPEC STARTING SAT
MORNING.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
PLEASE SEE THE SPECIAL FEATURES SECTION FOR INFORMATION ON A GALE
WARNING FOR THE GULF OF PAPAGAYO.
ASIDE FROM THE GULF OF PAPAGAYO, FRESH TO STRONG N TO NE WINDS
PREVAIL IN THE GULF OF PANAMA WITH SEAS IN THE 5 TO 7 FT RANGE.
FRESH TO STRONG N TO NE WINDS AND ROUGH TO VERY ROUGH SEAS ARE
ALSO ONGOING ACROSS THE GUATEMALA AND EL SALVADOR OFFSHORE WATERS
AS A RESULT OF BOTH TEHUANTEPEC AND PAPAGAYO GAP WIND EVENTS.
ELSEWHERE, WINDS ARE MODERATE OR WEAKER WITH SLIGHT TO MODERATE
SEAS.
FOR THE FORECAST, ASIDE FROM THE GULF OF PAPAGAYO, FRESH TO
LOCALLY STRONG NE WINDS, AND ROUGH SEAS, WILL PREVAIL DOWNWIND
OF THE GULF OF PANAMA AND JUST S OF THE AZUERO PENINSULA THROUGH
WED NIGHT. THE LARGE WIND FIELD OF THE TEHUANTEPEC GAP WIND EVENT
WILL PRODUCE FRESH TO STRONG NORTHERLY WINDS AND VERY ROUGH SEAS
ACROSS THE OFFSHORE WATERS OF GUATEMALA AND EL SALVADOR THROUGH
TONIGHT. HOWEVER, ROUGH SEAS WILL CONTINUE TO PROPAGATE ACROSS
THESE WATERS THROUGH WED.
..REMAINDER OF THE AREA
A COLD FRONT IS OVER THE NW WATERS. HIGH PRESSURE DOMINATES THE
WATERS N OF 10N AHEAD OF THE FRONT, ANCHORED BY A 1023 MB HIGH
CENTERED NEAR 32N123W. THE PRESSURE GRADIENT BETWEEN THE AREA OF
HIGH PRESSURE AND THE COLD FRONT OVER THE NW WATERS IS
SUPPORTING MODERATE SW WINDS AHEAD OF THE FRONT. THE PRESSURE
GRADIENT BETWEEN THE AREA OF HIGH PRESSURE AND LOWER PRESSURE IN
THE VICINITY OF THE ITCZ IS SUPPORTING MODERATE TO FRESH TRADE
WINDS SOUTH OF 15N AND W OF 110W. FRESH TO STRONG WINDS EXTENDING
FROM THE GULF OF TEHUANTEPEC AND GULF OF PAPAGAYO GAP WIND
EVENTS ARE COVERING THE WATERS FROM 03N TO 12N AND E OF 103W.
ROUGH TO VERY ROUGH SEAS GENERATED FROM THESE GALE FORCE GAP WIND
EVENTS ARE COVERING THE WATERS FROM 01N TO 14N AND E OF 109W. A
SET OF NW SWELL IS PROPAGATING ACROSS THE NW WATERS, WITH SEAS IN
THE 8-11 FT RANGE N OF 17N AND W OF 129W. ELSEWHERE, SEAS OF 5
TO 8 FT PREVAIL.
FOR THE FORECAST, THE NW SWELL WILL IMPACT THE WATERS N OF 10N
AND W OF 130W THROUGH MIDWEEK. THE COLD FRONT WILL STALL ACROSS
THE NW WATERS. A SURFACE LOW MAY DEVELOP ALONG THE FRONTAL
BOUNDARY THE MIDDLE OF THE WEEK, BRINGING ANOTHER ROUND OF FRESH
TO STRONG SOUTHERLY WINDS AND ROUGH SEAS. COMBINED SWELL
GENERATED FROM THE GULF OF TEHUANTEPEC AND GULF OF PAPAGAYO GAP
WIND EVENTS WILL WILL SPREAD ROUGH SEAS WESTWARD ACROSS THE
WATERS S OF 10N AND E OF 125W THROUGH THU.
AL
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