446
AXPZ20 KNHC 210304
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI MAR 21 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0230 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: HIGH PRESSURE RIDGING SURGING
SOUTHWARD ACROSS EASTERN MEXICO HAS PRODUCED A TIGHT PRESSURE
GRADIENT ACROSS THE TEHUANTEPEC REGION. THIS IS PRODUCING GALE-
FORCE NORTH TO NORTHEAST WINDS IN THE REGION, PEAKING TO 40 KT
TONIGHT. THE PRESSURE GRADIENT IS FORECAST TO SLACKEN BY FRI
AFTERNOON, ALLOWING FOR WINDS TO DIMINISH TO FRESH TO STRONG
SPEEDS. VERY ROUGH SEAS ARE EXPECTED WITH THE STRONGEST WINDS.
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 00N96W TO 03N133W. SCATTERED
MODERATE CONVECTION IS FROM 02N TO 08N BETWEEN 101W AND 118W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
SEE THE SPECIAL FEATURES SECTION ABOVE FOR INFORMATION ON
ONGOING GALE CONDITIONS IN THE GULF OF TEHUANTEPEC REGION.
A TIGHT PRESSURE GRADIENT IS LEADING TO FRESH TO STRONG NORTHWEST
WINDS IN THE CENTRAL AND SOUTHERN GULF OF CALIFORNIA, WITH
MODERATE TO FRESH NORTH TO NORTHEAST WINDS OFFSHORE BAJA
CALIFORNIA. MODERATE SEAS DOMINATE THE GULF WATERS, WHILE ROUGH
SEAS PREVAIL IN THE OFFSHORE WATERS OF BAJA CALIFORNIA.
ELSEWHERE, WINDS ARE SLIGHT TO MODERATE.
FOR THE FORECAST, ASIDE THAN THE GALE WARNING IN THE GULF OF
TEHUANTEPEC, FRESH TO STRONG NORTHWEST WINDS IN THE CENTRAL AND
SOUTHERN GULF OF CALIFORNIA WILL DIMINISH TO MODERATE TO FRESH
SPEEDS TONIGHT. MEANWHILE, NORTHWEST SWELL WILL SPREAD TOWARD THE
REVILLAGIGEDO ISLANDS THROUGH TONIGHT, WITH FRESH SWELL FROM
WINDS OFF SOUTHERN CALIFORNIA SUSTAINING ROUGH SEAS OFFSHORE BAJA
CALIFORNIA NORTE THROUGH MON. WINDS MAY PULSE TO FRESH NEAR CABO
CORRIENTES LATE THIS WEEKEND INTO EARLY NEXT WEEK. FRESH NORTH
WINDS MAY DEVELOP IN THE GULF OF TEHUANTEPEC BY LATE TUE.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
A TIGHT PRESSURE GRADIENT IN THE WESTERN CARIBBEAN IS FUNNELING
GAP WINDS THROUGH PORTIONS OF CENTRAL AMERICA, LEADING TO FRESH
NORTHEAST WINDS IN THE PAPAGAYO REGION AS NOTED IN LATEST ASCAT
SATELLITE DATA. NORTHEAST FRESH WINDS ARE INDICATED BY THE
LATEST ASCAT SATELLITE DATA PASS TO BE IN THE GULF OF PANAMA.
SEAS ARE 5 TO 8 FT IN THOSE AREAS. GENTLE TO MODERATE WINDS ARE
ELSEWHERE WITH SLIGHT TO MODERATE SEAS.
FOR THE FORECAST, FRESH TO STRONG NORTHEAST WINDS WILL PULSE IN
THE PAPAGAYO REGION THROUGH EARLY NEXT WEEK, AND NEAR GALE-FORCE
DURING THE OVERNIGHT AND EARLY MORNING HOURS. SEAS IN THIS AREA
WILL BUILD TO ROUGH AT TIMES. FRESH TO STRONG NORTHEAST WINDS
WILL PULSE FROM THE GULF OF PANAMA THROUGH THE AZUERO PENINSULA
THROUGH EARLY SAT, WITH LOCALLY ROUGH SEAS AT TIMES. ROUGH SEAS
GENERATED BY GALE-FORCE WINDS IN THE GULF OF TEHUANTEPEC WILL
IMPACT THE WATERS WELL OFFSHORE OF GUATEMALA TONIGHT INTO EARLY
SAT. WINDS WILL BE MODERATE OR WEAKER ELSEWHERE ALONG WITH SLIGHT
TO MODERATE SEAS.
..REMAINDER OF THE AREA.
THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE CENTERED NORTH OF
THE AREA AND LOWER PRESSURE IN THE ITCZ REGION IS RESULTING IN
FRESH TRADES FROM 04N TO 25N WEST OF 115W. ROUGH SEAS WILL
PREVAIL IN THIS AREA IN NE SWELL. WINDS ARE GENTLE TO MODERATE
ELSEWHERE WITH MODERATE SEAS.
FOR THE FORECAST, THE PRESSURE GRADIENT WILL CONTINUE TO RELAX
TONIGHT, ALLOWING WINDS TO DECREASE TO MODERATE TO FRESH THROUGH
THE WEEKEND. ROUGH SEAS IN NW SWELL WILL CONTINUE ACROSS MUCH OF
THE OPEN WATERS TONIGHT, THEN RETREAT TO AREAS MAINLY WEST OF
ABOUT 130W INTO THE WEEKEND. ELSEWHERE, ANOTHER ROUND OF ROUGH
SEAS GENERATED BY GALE FORCE WINDS IN THE GULF OF TEHUANTEPEC
WILL IMPACT WATERS NORTH OF 05N AND EAST OF 110W TONIGHT INTO
SAT. A WEAKENING COLD FRONT MAY APPROACH THE NORTHWEST PART OF
THE AREA EARLY NEXT WEEK WITH INCREASING WINDS AHEAD OF IT AND
LARGE BUILDING SEAS BEHIND IT.
ERA
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