200
AXPZ20 KNHC 130318
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT JUN 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0307 UTC.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 13N94W TO 09N120W TO A 1007 MB
LOW PRESSURE NEAR 09N128W TO ANOTHER 1007 MB LOW PRESSURE NEAR
09N139W TO 09N140W. SCATTERED TO NUMEROUS MODERATE AND ISOLATED
STRONG CONVECTION IS NOTED FROM 03N TO 12N BETWEEN 110W AND 140W.
SCATTERED MODERATE CONVECTION IS DEPICTED FROM 06N TO 14N
BETWEEN 92W AND 100W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
A WEAK PRESSURE GRADIENT PREVAILS ACROSS THE AREA. WITH THE WEAK
PRESSURE GRADIENT, LIGHT TO GENTLE WINDS PREVAIL OVER THE
DISCUSSION WATERS, EXCEPT GENTLE TO LOCALLY MODERATE WINDS OFF
CABO SAN LUCAS. SEAS ARE IN THE 5-6 FT RANGE OVER THE OPEN
WATERS OFF MEXICO, AND 3 FT OR LESS IN THE GULF OF CALIFORNIA.
FOR THE FORECAST, LIGHT TO GENTLE WINDS WILL PREVAIL ACROSS THE
WATERS OF BAJA CALIFORNIA THROUGH SAT NIGHT, INCREASING SLIGHTLY
THEREAFTER. GENTLE TO OCCASIONALLY MODERATE SW TO S WINDS ARE
EXPECTED INSIDE THE GULF OF CALIFORNIA AND NEAR THE TIP OF BAJA
CALIFORNIA SUR. LIGHT TO GENTLE WINDS WILL DOMINATE THE WATERS
BETWEEN CABO CORRIENTES AND TEHUNATEPEC.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
GENTLE TO MODERATE WINDS PREVAIL IN THE GULF OF PAPAGAYO AS WELL
AS BETWEEN THE GALAPAGOS ISLANDS AND COLOMBIA. LIGHT TO GENTLE
WINDS ARE FOUND ELSEWHERE. SEAS ARE IN THE 5-7 FT RANGE BETWEEN
THE GALAPAGOS ISLANDS AND COLOMBIA, AND 4-6 FT ELSEWHERE.
FOR THE FORECAST, GENTLE TO MODERATE WINDS AND MODERATE SEAS
WILL PREVAIL ACROSS THE OFFSHORE WATERS INTO THE WEEKEND. WINDS
MAY PULSE TO MODERATE TO LOCALLY FRESH IN DIURNAL OFFSHORE FLOW
IN THE IMMEDIATE GULF OF PAPAGAYO AND NEAR THE GULF OF GUAYAQUIL
DURING THE UPCOMING WEEKEND INTO EARLY NEXT WEEK.
..REMAINDER OF THE AREA
BROAD TROUGHING PREVAILS ACROSS THE WATERS N OF 20N. THE
PRESSURE GRADIENT BETWEEN THIS TROUGH, AND HIGH PRESSURE NW OF
THE AREA IS SUPPORTING MODERATE TO LOCALLY FRESH WINDS OVER THE
NW WATERS. GENTLE TO MODERATE WINDS ARE ELSEWHERE N OF THE
MONSOON TROUGH AND WEST OF 130W. LIGHT TO GENTLE WINDS PREVAIL
ELSEWHERE N OF THE MONSOON TROUGH. MODERATE TO FRESH WINDS ARE S
OF THE MONSOON TROUGH AND W OF 125W, WITH GENTLE TO MODERATE
WINDS ELSEWHERE. NORTHERLY SWELL IS BRINGING ROUGH SEAS OVER THE
WATERS N OF 27.5N BETWEEN 129W AND 138W. MAINLY MODERATE SEAS
ARE FOUND ELSEWHERE, EXCEPT LOCALLY ROUGH SOUTH OF THE EQUATOR.
FOR THE FORECAST, MODERATE OR WEAKER WINDS ARE EXPECTED ACROSS
THE MUCH OF THE OPEN WATERS, EXCEPT AT LEAST MODERATE TO FRESH
WINDS NEAR TRANSIENT EMBEDDED LOW PRESSURE AREAS ALONG WESTERN
PORTION OF THE MONSOON TROUGH THROUGH EARLY NEXT WEEK. NORTHERLY
SWELLS MIXED WITH THE LONGER PERIOD SOUTHERLY SWELLS WITH SEAS OF
7-9 FT WILL LINGER ACROSS THE N-CENTRAL WATERS THROUGH TONIGHT
BEFORE DECAYING. OTHERWISE, MODERATE SEAS WILL DOMINATE THE OPEN
WATERS, LOCALLY ROUGH IN THE S-CENTRAL WATERS THROUGH SAT, AS
WELL AS NEAR ANY OF THE EMBEDDED LOWS WITHIN THE MONSOON TROUGH.
KRV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page