736
AXPZ20 KNHC 211543
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC MON APR 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
1515 UTC.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM THE COAST OF SOUTHERN COSTA RICA
NEAR 08N83W AND CONTINUES TO 07N100W. THE ITCZ STRETCHES FROM
07N100W TO 06N120W AND BEYOND 02N140W. SCATTERED MODERATE TO
ISOLATED STRONG CONVECTION IS PRESENT FROM 03N TO 10N AND EAST OF
90W. SCATTERED MODERATE CONVECTION IS NOTED FROM 02N TO 11N AND
93W AND 117W. SIMILAR CONVECTION IS FOUND FROM 02N TO 09N AND
WEST OF 130W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
A STRONG SUBTROPICAL RIDGE OVER THE NORTH PACIFIC CONTINUES TO
DOMINATE THE WEATHER CONDITIONS ACROSS THE MEXICAN OFFSHORE
WATERS. THE WEAK PRESSURE PATTERN ACROSS THE REGION SUPPORTS
GENTLE TO MODERATE NORTHERLY WINDS AND MODERATE SEAS IN THE
OFFSHORE WATERS OF BAJA CALIFORNIA. HOWEVER, LOCALLY FRESH WINDS
ARE OCCURRING OFF BAJA CALIFORNIA NORTE AND CABO SAN LUCAS. LIGHT
TO GENTLE WINDS AND SLIGHT TO MODERATE SEAS ARE NOTED IN THE GULF
OF CALIFORNIA.
FOR THE FORECAST, A PREVAILING RIDGE ACROSS THE REGION WILL
MAINTAIN GENTLE TO MODERATE NNW WINDS AND SLIGHT TO MODERATE SEAS
OVER THE BAJA CALIFORNIA AND SW MEXICAN OFFSHORE WATERS THROUGH
FRI, EXCEPT FOR LOCALLY FRESH NW WINDS PULSING NEAR JALISCO
TONIGHT. MODERATE TO FRESH N WINDS WILL PULSE IN TEHUANTEPEC
TONIGHT INTO TUE. OTHERWISE, MODERATE SW WINDS ARE FORECAST AT
NIGHT IN THE NORTHERN GULF OF CALIFORNIA TODAY THROUGH THU AS A
SURFACE TROUGH DEVELOPING INLAND BAJA CALIFORNIA NORTE SHIFT
EASTWARDS OVER THE GULF WATERS. LOOKING AHEAD, NW WINDS ALONG THE
BAJA CALIFORNIA OFFSHORE WATERS ARE FORECAST TO FRESHEN FRI
NIGHT.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
STRONG SHOWERS AND ISOLATED THUNDERSTORMS ARE OBSERVED IN THE
OFFSHORE WATERS OF PANAMA, COSTA RICA AND NORTHERN COLOMBIA. GUSTY
WINDS AND ROUGH SEAS ARE LIKELY IN THE OFFSHORES BETWEEN PANAMA
AND COLOMBIA DUE TO THIS CONVECTIVE ACTIVITY. ELSEWHERE, A 1025
MB HIGH PRESSURE SYSTEM LOCATED NORTH OF THE CARIBBEAN CONTINUE
TO FORCE FRESH TO LOCALLY STRONG EASTERLY TRADE WINDS IN THE
GULF OF PAPAGAYO REGION, REACHING DOWNSTREAM TO 90W. SEAS IN
THESE WATERS ARE 4-6 FT. LIGHT TO GENTLE WINDS ARE ONGOING
ELSEWHERE ALONG WITH 4-5 FT SEAS, EXCEPT TO 6 FT SOUTH OF THE
GALAPAGOS ISLANDS.
FOR THE FORECAST, FRESH TO STRONG E WINDS AND MODERATE SEAS ARE
EXPECTED TO PULSE IN THE GULF OF PAPAGAYO THROUGH TUE MORNING.
AFTERWARD, MODERATE TO FRESH WINDS WILL PULSE THROUGH FRI.
MODERATE WINDS FROM THIS GAP EVENT WILL EXTEND TO THE OFFSHORE
WATERS OF EL SALVADOR AND GUATEMALA TODAY THROUGH THU. GENTLE TO
LOCALLY MODERATE SOUTHERLY WINDS ARE FORECAST BETWEEN ECUADOR AND
THE GALAPAGOS ISLANDS THROUGH FRI NIGHT. LOOKING AHEAD,
SOUTHERLY SWELL WILL REACH THE SOUTHERN GALAPAGOS ISLANDS FRI
NIGHT WITH SEAS TO 8 FT.
..REMAINDER OF THE AREA.
A BROAD SUBTROPICAL RIDGE OVER THE NORTH PACIFIC EXTENDS INTO
THE WATERS OF THE TROPICAL EASTERN PACIFIC. MODERATE TO FRESH
EASTERLY TRADE WINDS AND SEAS OF 6-9 FT ARE EVIDENT FROM THE
ITCZ TO 19N AND WEST OF 115W. FARTHER NORTH, MODERATE N-NE WINDS
AND SEAS OF 6-8 FT ARE OCCURRING NORTH OF 29N AND WEST OF 130W.
MODERATE OR WEAKER WINDS AND MODERATE SEAS ARE PREVALENT
ELSEWHERE.
FOR THE FORECAST, MODERATE TO FRESH WINDS WILL CONTINUE ACROSS
THE TROPICAL PACIFIC WATERS W OF 120W THROUGH THE FORECAST
PERIOD, AS SURFACE RIDGING WILL CONTINUE TO EXTEND ACROSS THE
EASTERN PACIFIC SUBTROPICAL WATERS. SEAS WILL BE MODERATE TO
ROUGH OVER THESE WATERS. NORTH OF 20N, GENTLE TO LOCALLY
MODERATE NE TO E WINDS AND MODERATE SEAS WILL PREVAIL, INCREASING
TO MODERATE TO FRESH SPEEDS OVER THE WESTERN WATERS LATE FRI
INTO FRI EVENING. LOOKING AHEAD, SOUTHERLY SWELL WILL SUPPORT
ROUGH SEAS TO 8 FT SOUTH OF 03N BEGINNING LATE FRI.
DELGADO
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