883
AXPZ20 KNHC 121608
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SAT APR 12 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
1550 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: GALE-FORCE NORTHERLY GAP WINDS
CONTINUE ACROSS THE GULF OF TEHUANTEPEC AND EXTENDS TO AROUND 13N.
PEAK SEAS IN THIS AREA ARE AT 13-14 FT. THESE GALE-FORCE WINDS
WILL GENERALLY CONTINUE INTO LATE THIS MORNING, THEN DIMINISH TO
AROUND 30 KT BRIEFLY IN THE AFTERNOON, BEFORE RESUMING IN THE
EVENING AS HIGH PRESSURE STRENGTHENS OVER EASTERN MEXICO TONIGHT
AND PROLONGS THE GALES INTO SUN MORNING. SEAS WILL PEAK THIS
MORNING AT AROUND 15 FT. LATER ON SUN, HIGH PRESSURE N OF THE
AREA ACROSS THE GULF OF AMERICA AND EASTERN MEXICO WILL MOVE EAST
AND WEAKEN, AND MARINE CONDITIONS WILL QUICKLY BEGIN TO IMPROVE.
PLEASE REFER TO THE 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
A SURFACE TROUGH EXTENDS FROM 07N77W TO 07N86W TO 04N102W. THE
ITCZ EXTENDS FROM 04N102W TO 03N114W TO 02N126W. NUMEROUS TO
SCATTERED MODERATE TO STRONG CONVECTION IS NOTED FROM 00N TO 08N
BETWEEN 87W AND 105W. SCATTERED MODERATE CONVECTION IS NOTED
FROM 04N TO 09N BETWEEN 82W AND 88W, AND FROM 01N TO 06N BETWEEN
126W AND 140W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
PLEASE SEE THE SPECIAL FEATURES SECTION FOR INFORMATION ON A GALE
WARNING IN EFFECT FOR THE GULF OF TEHUANTEPEC.
OTHERWISE, BROAD HIGH PRESSURE WELL W OF THE AREA EXTENDS
SOUTHEASTWARD TO OFFSHORE BAJA CALIFORNIA. THE RESULTANT
PRESSURE GRADIENT IS GENERALLY WEAK ACROSS THE REGIONAL WATERS,
LEADING TO GENTLE TO LOCALLY MODERATE N TO NE WINDS OVER THE
WATERS, AND LIGHT TO GENTLE WINDS ELSEWHERE IN THE GULF OF
CALIFORNIA AND THE SW MEXICAN OFFSHORES. SEAS ARE GENERALLY 5 TO
7 FT IN SW SWELL OFFSHORE BAJA CALIFORNIA AND THE SW MEXICAN
OFFSHORES. IN THE GULF OF CALIFORNIA, WINDS ARE GENERALLY LIGHT
AND VARIABLE WITH 3 FT SEAS OR LESS, EXCEPT TO 5 FT AT THE
ENTRANCE OF THE GULF.
FOR THE FORECAST, STRONG NORTHERLY WINDS OFFSHORE OF MOST OF
CALIFORNIA WILL GENERATE MODERATE TO LARGE NW SWELL THAT WILL
BUILD ACROSS THE BAJA CALIFORNIA WATERS LATER THIS MORNING
THROUGH MON MORNING, THEN SUBSIDE EARLY NEXT WEEK. WINDS ACROSS
THE AREA WATERS WILL REMAIN MODERATE OR LESS THROUGH EARLY NEXT
WEEK AS HIGH PRESSURE REMAINS WELL W TO NW OF THE AREA. LOOKING
AHEAD, GALE-FORCE GAP WINDS MAY BRIEFLY REDEVELOP IN THE GULF OF
TEHUNATEPEC TUE NIGHT INTO WED MORNING.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
FRESH TO STRONG E WINDS ARE ACROSS THE PAPAGAYO REGION WHERE
SEAS ARE 7 TO 9 FT. FURTHER OFFSHORE, FRESH NE TO E WINDS RESUME
WEST OF 90W, WHERE SEAS ARE 8 TO 9 FT. MODERATE TO LOCALLY FRESH
N WINDS PREVAIL ACROSS THE GULF OF PANAMA N OF 05N, WHERE SEAS
ARE 5 TO 9 FT. MODERATE WINDS FROM THE PAPAGAYO GAP WIND EVENT IS
AFFECTING THE OUTER OFFASHORES OF EL SALVADOR AND GUATEMALA.
WINDS ARE LIGHT TO GENTLE ELSEWHERE, WITH SEAS OF 5 TO 8 FT IN
MODERATE S TO SW SWELL, EXCEPT 8 TO 10 FT BETWEEN THE GALAPAGOS
ISLANDS AND ECUADOR. SCATTERED MODERATE TO STRONG SHOWERS AND
THUNDERSTORMS CONTINUE ACROSS THE WATERS NORTH OF THE EQUATOR TO
09N, AND EAST OF 94W TO THE COASTS OF COSTA RICA, AND NORTH OF
THE GALAPAGOS ISLANDS.
FOR THE FORECAST, HIGH PRESSURE N OF THE REGION WILL SHIFT
EASTWARD, PASSING SLOWLY NORTH OF THE WESTERN CARIBBEAN THROUGH
THE MIDDLE OF THE COMING WEEK TO MAINTAIN FRESH NE TO E GAP
WINDS PULSING TO STRONG AT NIGHT ACROSS THE PAPAGAYO REGION,
WITH LOCALLY ROUGH SEAS. MODERATE TO FRESH N WINDS WILL PULSE TO
STRONG AT TIMES THROUGH SUN NIGHT IN THE GULF OF PANAMA. LARGE N
SWELL FROM GULF OF TEHUANTEPEC GALES WILL PROPAGATE INTO THE
WATERS OFFSHORE GUATEMALA THROUGH THE WEEKEND. MODERATE SW SWELL
IMPACTING THE REGIONAL WATERS WILL SUBSIDE THROUGH THE WEEKEND.
..REMAINDER OF THE AREA.
A BROAD SURFACE RIDEG COVERS THE SUBTROPICAL PACIFIC WATERS. SOUTH
OF THE RIDGE, MODERATE TO LOCALLY FRESH NE WINDS ARE FOUND N OF
THE ITCZ EXTENDING TO NEAR 20N AND W OF 130W. SEAS THERE ARE 6
TO 9 FT IN MERGING NW AND S SWELL. ELSEWHERE, WINDS ARE MODERATE
OR WEAKER. E OF 115W, SEAS ARE 7 TO 10 FT IN MERGING SW AND NW
SWELL, AND SWELL PROPAGATING AWAY FROM TEHUANTEPEC.
FOR THE FORECAST, THE CROSS-EQUATORIAL SWELL WILL GRADUALLY
SUBSIDE FROM WEST TO EAST TODAY. GULF OF TEHUNATEPEC NORTHERLY
GALES WILL SEND N TO NE SWELL WELL SOUTHWEST OF THE SOURCE REGION
TOWARD THE CENTRAL WATERS MIXING WITH THE AFOREMENTIONED SW
SWELL THROUGH THE WEEKEND. FRESH TO LOCALLY STRONG NE WINDS AND
LARGE NW SWELL OVER THE NW SUBTROPICAL WATERS WILL BUILD IN
ACROSS THE NORTHERN WATERS TODAY AND SPREAD SOUTHEASTWARD THROUGH
THE WEEKEND, INDUCING WAVE HEIGHTS OF 7 TO 10 FT, MAINLY NORTH
OF 24N. WINDS WILL FRESHEN WEST OF 130W THROUGH THE WEEKEND AS
HIGH PRESSURE BUILDS ACROSS THE WESTERN WATERS IN THE WAKE OF THE
DISSIPATING FRONT.
RAMOS
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