952
AXPZ20 KNHC 122208
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2140 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: A RECENT SCATTEROMETER PASS
CONFIRMED THE CONTINUATION OF GALE-FORCE NORTHERLY GAP WINDS
THIS AFTERNOON ACROSS THE GULF OF TEHUANTEPEC, WHICH EXTENDS TO
AROUND 13.5N. PEAK SEAS IN THIS AREA ARE 13-14 FT. THESE GALE-
FORCE WINDS WILL CONTINUE INTO SUN MORNING. BY SUN AFTERNOON,
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 07N87W TO 04N101W. THE
ITCZ EXTENDS FROM 04N119W TO 02N130W TO 04N140W. NUMEROUS TO
SCATTERED MODERATE TO STRONG CONVECTION IS NOTED FROM 02N TO 09N
BETWEEN 83W AND 91W. SCATTERED MODERATE CONVECTION IS NOTED FROM
01N TO 09N BETWEEN 90W AND 103W, AND FROM 06N TO 13N BETWEEN
104W AND 112W.
..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.
A 1035 MB HIGH PRESSURE CENTERED NW OF THE AREA NEAR 37N141W
EXTENDS A RIDGE SE ACROSS THE THE BAJA CALIFORNIA AND SW
MEXICAN OFFSHORE WATERS. A WEAK PRESSURE GRADIENT PREVAILS WITH
THE PRESENCE OF THE RIDGE, WHICH CONTINUE TO SUPPORT GENTLE TO
LOCALLY MODERATE N TO NW WINDS ACROSS THE BAJA PENINSULA
OFFSHORES, AND LIGHT TO GENTLE WINDS ELSEWHERE IN THE GULF OF
CALIFORNIA AND THE SW MEXICAN OFFSHORES. SEAS ARE GENERALLY 5 TO
7 FT IN S TO 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 NORTE WATERS N OF PUNTA EUGENIA
THROUGH MON MORNING, SUBSIDING AFTERWARD. WINDS ACROSS THE AREA
WATERS WILL REMAIN MODERATE OR LESS THROUGH THU AS HIGH PRESSURE
REMAINS WELL W TO NW OF THE AREA. THE EXCEPTION TO THIS WILL BE N
OF 29N IN THE GULF OF CALIFORNIA WHERE A SURFACE TROUGH WILL
DEVELOP AT NIGHT SUPPORTING FRESH TO LOCALLY STRONG SW TO W
WINDS. 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 LOCALLY STRONG E WINDS ARE ACROSS THE PAPAGAYO REGION
WHERE SEAS ARE 7 TO 8 FT. FRESH TO STRONG N WINDS ARE NOW ONGOING
ACROSS THE GULF OF PANAMA N OF 07N, WHERE SEAS ARE 5 TO 6 FT.
MODERATE TO FRESH WINDS FROM THE PAPAGAYO GAP WIND EVENT IS
AFFECTING THE OUTER OFFSHORES OF EL SALVADOR AND GUATEMALA.
WINDS ARE LIGHT TO GENTLE ELSEWHERE, WITH SEAS OF 5 TO 8 FT IN
MODERATE S TO SW SWELL. 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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