463
AXPZ20 KNHC 300946
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC THU APR 30 2026
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
0830 UTC.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
A SURFACE TROUGH AXIS EXTENDS FROM 08N78W TO 07N90W. AN ITCZ
EXTENDS FROM 07N90W TO 06N106W TO 06N123W. NUMEROUS MODERATE TO
SCATTERED STRONG CONVECTION IS NOTED FROM 03N TO 09N BETWEEN
114W AND 127W. SCATTERED MODERATE CONVECTION IS SEEN FROM 03N TO
06N BETWEEN 86W AND 100W...AND FROM 03N TO 05N BETWEEN 108W AND
113W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
A SURFACE RIDGE EXTENDS SOUTHEASTWARD FROM A 1030 MB HIGH NEAR
35N138W TO NEAR THE REVILLAGIGEDO ISLANDS. TIGHT GRADIENT
BETWEEN THIS FEATURE AND A SURFACE TROUGH OVER NORTHWESTERN
MEXICO IS SUPPORTING FRESH TO LOCALLY STRONG NW TO N WINDS EAST
OF BAJA CALIFORNIA, AND ALSO IN THE GULF OF CALIFORNIA. SEAS EAST
OF BAJA RANGE FROM 5 TO 7 FT IN MODERATE NW SWELL, WHILE SEAS IN
THE GULF ARE FROM 2 TO 4 FT. MAINLY MODERATE NW TO N WINDS AND 4
TO 6 FT SEAS ARE NEAR THE REVILLAGIGEDO ISLANDS. LIGHT TO GENTLE
WINDS WITH SEAS AT 2 TO 4 FT PREVAIL FOR THE OFFSHORE WATERS OF
SOUTHERN MEXICO.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN A 1030 MB HIGH
AT THE NORTHEAST PACIFIC AND A TROUGH OVER NORTHWESTERN MEXICO
WILL MAINTAIN FRESH TO LOCALLY STRONG NW WINDS OVER WATERS ON
BOTH SIDES OF BAJA CALIFORNIA THROUGH EARLY FRI MORNING. FROM
SUN INTO MON, STRONG TO NEAR-GALE FORCE GAP WINDS AND ROUGH SEAS
WILL IMPACT THE GULF OF TEHUANTEPEC.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND
WITHIN 750 NM OF ECUADOR...
CONVERGENT SURFACE WINDS ARE TRIGGERING SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS OFF THE COAST OF GUATEMALA. FRESH NE TO E
GAP WINDS AND SEAS OF 4 TO 6 FT ARE PRESENT AT THE PAPAGAYO
REGION. MODERATE TO FRESH N WINDS WITH 3 TO 4 FT SEAS ARE NOTED
AT THE GULF OF PANAMA. GENTLE S WINDS AND 4 TO 6 FT SEAS IN
MODERATE S SWELL PERSIST IN WATERS NEAR THE GALAPAGOS ISLANDS AND
OFF ECUADOR. LIGHT TO GENTLE WINDS WITH 2 TO 4 FT SEAS PREVAIL
FOR THE REMAINDER OFFSHORE WATERS IN CENTRAL AMERICA AND OFF
COLOMBIA.
FOR THE FORECAST, FRESH NE TO E WINDS WILL PULSE IN THE PAPAGAYO
REGION UNTIL LATER THIS MORNING AND ALSO TONIGHT. MODERATE TO
FRESH N WINDS WILL PULSE IN THE GULF OF PANAMA DURING THIS TIME.
MODERATE LONG-PERIOD S SWELL WILL GRADUALLY DIMINISH ACROSS THE
WATERS NEAR ECUADOR AND THE GALAPAGOS ISLANDS THROUGH THE
WEEKEND.
..REMAINDER OF THE AREA
A SURFACE TROUGH IS PRODUCING SCATTERED MODERATE TO ISOLATED
STRONG CONVECTION FROM 09N TO 12N BETWEEN 130W AND 134W. THE
PRESSURE GRADIENT BETWEEN A SURFACE TROUGH EXTENDING FROM ROUGHLY
29N125W TO 20N128W AND HIGH PRESSURE TO THE NORTHWEST IS
SUSTAINING FRESH WITH LOCALLY STRONG NE WINDS AND 6 TO 9 FT SEAS
NORTH OF THE ITCZ AND WEST OF 123W. ELSEWHERE NORTH OF THE ITCZ,
MODERATE WITH LOCALLY FRESH N TO NE WINDS AND 4 TO 7 FT SEAS
EXIST. SOUTH OF THE ITCZ, GENTLE E TO SE WINDS AND SEAS OF 4 TO 6
FT DOMINATE.
FOR THE FORECAST, NORTH OF 10N, WINDS WILL GRADUALLY DECREASE TO
GENTLE WHILE SEAS SHOULD SUBSIDE TO BETWEEN 5 AND 7 FT BY EARLY
MON. WINDS SOUTH OF THE ITCZ ARE GOING TO BRIEFLY BECOMING LIGHT
TO GENTLE FRI AND FRI NIGHT.
CHAN
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