031
AXPZ20 KNHC 110917
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC FRI APR 11 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0820 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: GALE-FORCE NORTHERLY GAP WINDS
HAVE RESUMED ACROSS THE GULF OF TEHUANTEPEC TONIGHT, AS HIGH
PRESSURE HAS BECOME STATIONARY ACROSS THE WESTERN GULF OF
AMERICA AND INTO EASTERN MEXICO. ASSOCIATED SEAS DOWNSTREAM OF
TEHUANTEPEC HAVE BUILT TO 12 FT. THERE MAY BE A BRIEF LULL IN
GALES DURING THE EARLY AFTERNOON TODAY, BEFORE HIGH PRESSURE
STRENGTHENS SLIGHTLY ACROSS EASTERN MEXICO FRI NIGHT, INTRODUCING
A PROLONGED PERIOD OF GALES THAT WILL PERSIST INTO SUN MORNING.
SEAS ON SAT MORNING ARE LIKELY TO PEAK AROUND 14 FT. ON SUN, THE
RESPONSIBLE HIGH PRESSURE WILL MOVE EAST AND WEAKEN, AND MARINE
CONDITIONS WILL 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 11N75.5W TO 05N85W TO 04.5N95W.
THE ITCZ EXTENDS FROM 04.5N95W TO 07N108W TO 00N133W. SCATTERED
MODERATE TO STRONG CONVECTION IS NOTED FROM 00N TO 08N EAST OF
82W AND FROM 01.5N TO 10.5N BETWEEN 82.5W AND 91W. SCATTERED
MODERATE ISOLATED STRONG CONVECTION IS NOTED FROM 02N TO 04.5N
BETWEEN 91W AND 100W, AND FROM 02N TO 12N BETWEEN 105W AND 111W.
..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.
HIGH PRESSURE W OF THE AREA ALONG 128W DOMINATES THE BAJA
CALIFORNIA AND SW MEXICO WATERS TONIGHT, LEADING TO MAINLY
MODERATE NORTHWESTERLY WINDS THROUGHOUT THE REGION W OF ACAPULCO,
EXCEPT FOR LOCALLY FRESH WINDS NEAR PUNTA EUGENIA. SEAS ARE 5 TO
8 FT PRIMARILY IN NW SWELL OFFSHORE OF BAJA, AND 6 TO 8 FT IN
MERGING S AND NW SWELL SOUTH OF 20N. IN THE GULF OF CALIFORNIA,
LIGHT TO GENTLE WINDS PREVAIL, WITH SEAS 3 FT OR LESS.
FOR THE FORECAST, GALE-FORCE NORTHERLY GAP WINDS ARE EXPECTED TO
CONTINUE THROUGH SUN MORNING BEFORE SUBSIDING. MODERATE NW SWELL
WILL IMPACT THE BAJA CALIFORNIA WATERS THIS WEEKEND, SUBSIDING
EARLY NEXT WEEK. OTHERWISE, HIGH PRESSURE WILL REMAIN W OF THE
AREA INTO EARLY NEXT WEEK, YIELDING GENERALLY MODERATE OR LESS
NORTHWESTERLY WINDS ACROSS THE REGIONAL WATERS. LOOKING AHEAD,
STRONG GAP WINDS WILL DEVELOP AGAIN TUE THROUGH WED IN THE GULF
OF TEHUNATEPEC.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
FRESH TO LOCALLY STRONG NE WINDS ARE ACROSS THE PAPAGAYO REGION,
WHERE SEAS ARE 6 TO 8 FT. MODERATE N TO NE WINDS ARE IN THE GULF
OF PANAMA. WINDS ARE LIGHT TO GENTLE ELSEWHERE. SEAS ARE 5 TO 7
FT, IN MODERATE TO LARGE S TO SW SWELL. ACTIVE MODERATE TO
STRONG CONVECTION PREVAILS ACROSS THE WATERS NORTH OF THE EQUATOR
TO 10N, AND EAST OF 91W TO THE COASTS OF COSTA RICA, PANAMA AND
COLOMBIA.
FOR THE FORECAST, HIGH PRESSURE EXTENDING SOUTHWARD ACROSS THE
WESTERN CARIBBEAN WILL PREVAIL THROUGH MON, LEADING TO PULSING
FRESH TO STRONG NE TO E GAP WINDS ACROSS THE PAPAGAYO REGION.
LOCALLY FRESH WINDS WILL PULSE DURING THIS TIME 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 FRI
NIGHT THROUGH THE WEEKEND.
..REMAINDER OF THE AREA.
HIGH PRESSURE IS ANALYZED JUST NORTH OF THE AREA NEAR 32N128W
AND EXTENDS A RIDGE SOUTHEASTWARD TO OFFSHORE OF SOUTHWESTERN
MEXICO. A COLD FRONT HAS STALLED ACROSS THE NW WATERS FROM
30N135W TO 27N140W, WITH FRESH NE WINDS AND SEAS OF 8-10 FT IN
NW SWELL BEHIND IT. MODERATE NE TRADES ARE FOUND SOUTH OF THE
RIDGE FROM ABOUT 05N TO 20N AND WEST OF 115W. WINDS ARE GENTLE TO
MODERATE ACROSS THE REMAINDER OF THE OPEN WATERS. SEAS ARE 7 TO
10 FT IN MERGING SW AND NW SWELL SOUTH OF 20N, AND 5 TO 7 FT
NORTH OF 20N IN DECAYING NW SWELL.
FOR THE FORECAST, THE CROSS-EQUATORIAL SWELL OVER THE WATERS
SOUTH OF 20N WILL GRADUALLY SUBSIDE FROM WEST TO EAST THROUGH
SAT. A PROLONGED GULF OF TEHUNATEPEC NORTHERLY GALE EVENT 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. THE COLD FRONT IN THE FAR NW WATERS WILL MEANDER
THROUGH THE WEEKEND BEFORE DISSIPATING, PRODUCING FRESH NE WINDS
AND BUILDING NW SWELL BEHIND IT. THAT SWELL WILL BUILD WAVE
HEIGHTS TO 7 TO 10 FT, MAINLY NORTH OF 24N OR SO THROUGH THE
WEEKEND. WINDS WILL FRESHEN WEST OF 130W FRI EVENING THROUGH THE
UPCOMING WEEKEND AS HIGH PRESSURE BUILDS ACROSS THE REGION IN THE
WAKE OF THE WEAKENING FRONT.
STRIPLING
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