774
AXPZ20 KNHC 200133
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI MAR 20 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0130 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
HIGH PRESSURE ACROSS EASTERN MEXICO AND THE EQUATORIAL TROUGH IS
SUPPORTING GALE-FORCE N-NE WINDS IN THE GULF OF TEHUANTEPEC.
SEAS ARE 8-10 FT ACROSS THIS REGION. THE GALE FORCE WINDS ARE
FORECAST TO CONTINUE INTO EARLY SAT BEFORE DIMINISHING. WINDS
MAY BRIEFLY LOWER TO JUST BELOW GALE- FORCE FRI AFTERNOON. SEAS
WILL PEAK AT 12 TO 13 FT TONIGHT.
PLEASE READ THE LATEST HIGH SEAS FORECAST ISSUED BY THE NATIONAL
HURRICANE CENTER AT WEBSITE -
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML FOR MORE
INFORMATION.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
A SURFACE TROUGH EXTENDS FROM 08N77W TO 04N90W. THE ITCZ EXTENDS
FROM 04N90W TO 04N140W. SCATTERED MODERATE CONVECTION IS NOTED
FROM 02N TO 08N BETWEEN 120W AND 130W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
PLEASE SEE SPECIAL FEATURES ABOVE FOR INFORMATION ON A GALE
WARNING IN THE GULF OF TEHUANTEPEC.
ASIDE FROM THE GULF OF TEHUANTEPEC, A WEAK PRESSURE GRADIENT IS
GENERATING LIGHT TO GENTLE MAINLY NW WINDS. MODERATE SEAS
PREVAIL OVER THE OPEN WATERS, WITH SLIGHT SEAS IN THE GULF OF
CALIFORNIA.
FOR THE FORECAST, ASIDE FROM THE GULF OF TEHUANTEPEC GALE
WARNING, A WEAK PRESSURE GRADIENT WILL SUPPORT LIGHT TO GENTLE
WINDS, INCREASING TO MODERATE TO FRESH NEAR BAJA CALIFORNIA THIS
WEEKEND AS THE PRESSURE GRADIENT TIGHTENS SLIGHTLY. MODERATE SEAS
WILL PREVAIL OVER THE OPEN WATERS, WITH SLIGHT SEAS IN THE GULF
OF CALIFORNIA. SEAS ARE LIKELY TO BUILD IN FRESH N SWELLS OFF
BAJA CALIFORNIA NORTE LATE IN THE WEEKEND INTO EARLY NEXT WEEK.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
LIGHT TO GENTLE WINDS AND MODERATE SEAS IN THE 3-6 FT RANGE
PREVAIL ACROSS THE DISCUSSION WATERS.
FOR THE FORECAST, LARGE NW SWELL GENERATED BY THE GALE-FORCE GAP
WINDS IN THE GULF OF TEHUANTEPEC WILL IMPACT THE OFFSHORE WATERS
OF GUATEMALA FRI. FRESH TO LOCALLY STRONG WINDS WILL PULSE
NIGHTLY IN THE GULF OF PAPAGAYO. MODERATE WINDS WILL PULSE IN
THE GULF OF PANAMA, WITH NIGHTLY PULSES TO FRESH POSSIBLE NEXT
WEEK. GENTLE BREEZES AND MODERATE SEAS WILL PREVAIL ELSEWHERE.
..REMAINDER OF THE AREA
A WEAK PRESSURE GRADIENT ACROSS THE AREA IS SUPPORTING MOSTLY
GENTLE TO MODERATE WINDS ACROSS THE OPEN WATERS. MODERATE WAVE
HEIGHTS IN THE 4-6 FT RANGE PREVAIL.
FOR THE FORECAST, MODERATE OR WEAKER WINDS AND MODERATE SEAS
WILL PREVAIL ACROSS THE REGION INTO THE WEEKEND. FRESH N SWELL
WILL BUILD S OF 30N FROM OFF CALIFORNIA BY THE END OF THE
WEEKEND.
AL
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