636
AXPZ20 KNHC 132023
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI MAR 13 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2020 UTC.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
A SURFACE TROUGH EXTENDS FROM 09N78W TO 05N90W. THE ITCZ EXTENDS
FROM 05N90W TO 00N100W TO BEYOND 02N140W. SCATTERED MODERATE
CONVECTION IS ACTIVE FROM 02N TO 03N BETWEEN 95W AND 100W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
A RECENT SCATTEROMETER SATELLITE PASS CONFIRMED STRONG TO NEAR-
GALE FORCE WINDS ACROSS THE GULF OF TEHUANTEPEC LATE THIS
MORNING. THESE WINDS WERE RESIDUAL GALE FORCE GAP WINDS FROM
OVERNIGHT, AND HAVE BEEN CONTINUING TO DIMINISH THIS AFTERNOON AS
HIGH PRESSURE NORTH OF THE AREA WEAKENS. ROUGH SEAS PERSIST THIS
AFTERNOON, BUT WILL SUBSIDE THROUGH THE EVENING ACROSS THE
TEHUANTEPEC AREA AND DOWNSTREAM. OTHER RECENT SCATTEROMETER
PASSES INDICATED MOSTLY GENTLE BREEZES ELSEWHERE OVER MEXICAN
OFFSHORE WATERS. SEAS ARE 4-6 FT ELSEWHERE, EXCEPT FOR 1-3 FT IN
THE GULF OF CALIFORNIA.
FOR THE FORECAST, FRESH TO STRONG GAP WINDS AND ASSOCIATED ROUGH
SEAS WILL CONTINUE TO DIMINISH ACROSS THE GULF OF TEHUANTEPEC
THIS EVENING, AS HIGH PRESSURE NORTH OF THE AREA WEAKENS. EXPECT
GALE FORCE WINDS ACROSS THE TEHUANTEPEC REGION EARLY NEXT WEEK.
ROUGH SEAS WILL BRIEFLY IMPACT THE WATERS N OF PUNTA EUGENIA SAT
NIGHT INTO SUN. OTHERWISE, WINDS WILL GENERALLY BE MODERATE OR
WEAKER, WITH MODERATE SEAS OVER THE OPEN WATERS OFF MEXICO AND
SLIGHT TO MODERATE SEAS IN THE GULF OF CALIFORNIA.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
AN ALTIMETER SATELLITE PASS CONFIRMED 8-9 FT SEAS OFF GUATEMALA,
RELATED TO SWELL GENERATED FROM A NEARBY GULF OF TEHUANTEPEC GAP
WIND EVENT. FRESH WINDS ARE OVER THE GULF OF PAPAGAYO. MODERATE
TO FRESH WINDS ARE FOUND IN THE GULF OF PANAMA. ELSEWHERE, LIGHT
TO GENTLE WINDS AND MODERATE SEAS PREVAIL.
FOR THE FORECAST, THE ROUGH SEAS GENERATED FROM THE GULF OF
TEHUANTEPEC GALE FORCE GAP WINDS EVENT WILL SUBSIDE OVERNIGHT.
FRESH TO OCCASIONALLY STRONG GAP WINDS WILL PULSE TO STRONG
ACROSS THE PAPAGAYO REGION THROUGH SUN. MODERATE N WINDS WILL
PULSE TO FRESH IN THE GULF OF PANAMA THROUGH SUN. MAINLY LIGHT TO
GENTLE WINDS WILL PREVAIL ELSEWHERE THROUGH THE FORECAST PERIOD.
CROSS- EQUATORIAL SW SWELL WILL BRING ROUGH SEAS TO THE WATERS
BETWEEN THE GALAPAGOS ISLANDS AND ECUADOR TONIGHT THROUGH SAT
NIGHT.
..REMAINDER OF THE AREA
HIGH PRESSURE IS CENTERED NORTH OF THE AREA. THE PRESSURE
GRADIENT BETWEEN THIS AREA OF HIGH PRESSURE AND LOWER PRESSURE IN
THE VICINITY OF THE ITCZ IS SUPPORTING MODERATE TO FRESH WINDS
NORTH OF THE ITCZ TO NEAR 15N AND WEST OF 120W. MODERATE TO ROUGH
SEAS IN NE TO E SWELL COVER MUCH OF THESE WATERS. ELSEWHERE,
MODERATE OR WEAKER WINDS AND MODERATE SEAS PREVAIL.
FOR THE FORECAST, WINDS WILL GRADUALLY DIMINISH ACROSS THE
DISCUSSION WATERS THROUGH EARLY NEXT WEEK. THE ROUGH SEAS WILL
GRADUALLY SUBSIDE THROUGH SAT. CROSS- EQUATORIAL SW SWELL WILL
BRING ROUGH SEAS EAST OF 120W TONIGHT. THE ROUGH SEAS WILL
SPREAD NORTHWARD TO COVER THE WATERS S OF 10N AND E OF 120W SAT
NIGHT BEFORE SUBSIDING THROUGH SUN.
CHRISTENSEN
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