505
AXPZ20 KNHC 210317
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI FEB 21 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0255 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: STRONG HIGH PRESSURE OVER NE
MEXICO FORCES STRONG TO GALE-FORCE NORTHERLY WINDS ACROSS THE GULF
OF TEHUANTEPEC. GALE-FORCE WINDS WILL CONTINUE THROUGH SAT
MORNING. PEAK SEAS TO 17 FT ARE EXPECTED NEAR AND DOWNSTREAM OF
THE STRONGEST WINDS. WINDS WILL DIMINISH BELOW STRONG FORCE AND
SEAS BELOW 8 FT BY SUN MORNING.
FOR DETAILS, PLEASE REFER TO THE LATEST NWS HIGH SEAS AND
OFFSHORE WATERS FORECASTS ISSUED BY THE NATIONAL HURRICANE CENTER
AT THE WEBSITES:
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND
HTTPS://WWW.NHC.NOAA.GOV/MARINE/OFFSHORES_EASTPAC.PHP FOR MORE
DETAILS.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 04N96W TO 07N112W AND
TO 05N126W. THE ITCZ CONTINUES FROM 05N126W AND TO BEYOND
05N140W. SCATTERED MODERATE CONVECTION IS OBSERVED FROM 05N TO
10N AND BETWEEN 121W AND 132W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
PLEASE REFER TO THE SPECIAL FEATURES SECTION FOR INFORMATION
REGARDING THE GALE WARNING IN THE GULF OF TEHUANTEPEC.
A SUBTROPICAL RIDGE LOCATED WELL WEST OF BAJA CALIFORNIA NORTE
EXTENDS WEAKLY TO THE REVILLAGIGEDO ISLANDS. THE PRESSURE
GRADIENT BETWEEN THE AFOREMENTIONED RIDGE AND LOWER PRESSURES IN
SOUTHERN CALIFORNIA RESULT IN MODERATE TO LOCALLY FRESH NW WINDS
IN THE OFFSHORE WATERS OF BAJA CALIFORNIA NORTE. SEAS IN THESE
WATERS ARE 6-8 FT. ELSEWHERE, OUTSIDE OF THE GULF OF
TEHUANTEPEC, MODERATE OR WEAKER WINDS AND MODERATE SEAS ARE
PREVALENT IN THE REST OF THE MEXICAN OFFSHORE WATERS.
FOR THE FORECAST, ASIDE FROM GALE FORCE WINDS IN THE GULF OF
TEHUANTEPEC, MODERATE TO LOCALLY FRESH N TO NW WINDS AND ROUGH
SEAS WILL OCCUR NORTH OF PUNTA EUGENIA THROUGH FRI MORNING.
OTHERWISE, GENTLE TO LOCALLY MODERATE NW WINDS WILL OCCUR
OFFSHORE OF SOUTHWESTERN MEXICO AND IN THE GULF OF CALIFORNIA
INTO SAT. LOOKING AHEAD, MODERATE TO FRESH NW WINDS WILL DEVELOP
SAT NIGHT IN THE CENTRAL AND SOUTHERN GULF OF CALIFORNIA AND
OFFSHORE OF SOUTHWESTERN MEXICO AS A STRENGTHENING PRESSURE
GRADIENT DEVELOPS BETWEEN BUILDING HIGH PRESSURE IN THE EASTERN
PACIFIC AND TROUGHING IN WESTERN MEXICO.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
STRONG HIGH PRESSURE NORTH OF THE AREA CONTINUES TO SUPPORT FRESH
TO STRONG EASTERLY TRADE WINDS ACROSS THE GULF OF PAPAGAYO AND
DOWNSTREAM WATERS TO 88W. SEAS IN THESE WATERS ARE 4-6 FT.
MODERATE TO LOCALLY FRESH NORTHERLY WINDS AND SLIGHT SEAS ARE
NOTED IN THE GULF OF PANAMA. ELSEWHERE, LIGHT TO GENTLE WINDS AND
SLIGHT TO MODERATE SEAS PREVAIL.
FOR THE FORECAST, PULSING FRESH TO STRONG NE TO E WINDS WILL
OCCUR IN THE GULF OF PAPAGAYO THROUGH SUN DUE TO A STRONG RIDGE
TO THE NORTH OF THE CARIBBEAN WATERS. THE STRONGEST WINDS ARE
EXPECTED EACH NIGHT AND MORNING, AND LOCALLY ROUGH SEAS WILL
OCCUR NEAR AND DOWNSTREAM OF THESE WINDS. MODERATE TO FRESH N
WINDS WILL OCCUR WELL OFFSHORE OF GUATEMALA THROUGH FRI MORNING,
GENERATED BY GALE FORCE WINDS IN THE GULF OF TEHUANTEPEC. ROUGH
SEAS OF 8 TO 11 FT WILL OCCUR IN THIS REGION THROUGH EARLY SAT.
ELSEWHERE, WINDS WILL PULSE TO MODERATE TO FRESH SPEEDS IN THE
GULF OF PANAMA EACH NIGHT AND MORNING TONIGHT THROUGH THE
WEEKEND. OTHERWISE, GENTLE TO MODERATE WINDS AND SLIGHT TO
MODERATE SEAS WILL PREVAIL ACROSS THE REMAINDER OF THE OFFSHORE
WATERS OF CENTRAL AND SOUTH AMERICA INTO EARLY NEXT WEEK.
..REMAINDER OF THE AREA
A SUBTROPICAL RIDGE POSITIONED JUST NORTH OF THE TROPICAL EASTERN
PACIFIC SUPPORTS MODERATE TO LOCALLY FRESH EASTERLY TRADE WINDS
NORTH OF THE MONSOON TROUGH AND ITCZ AND WEST OF 120W. SEAS IN
THESE WATERS ARE 6-9 FT. FARTHER EAST, FRESH TO LOCALLY STRONG
NE-E WINDS AND MODERATE SEAS ARE FOUND NORTH OF 10N AND EAST OF
100W IN ASSOCIATION WITH DOWNSTREAM WINDS FROM THE GAP WIND EVENT
OCCURRING IN THE GULF OF TEHUANTEPEC. ELSEWHERE, MODERATE OR
WEAKER WINDS AND MODERATE SEAS ARE PREVALENT.
FOR THE FORECAST, LOCALLY FRESH N TO NE WINDS AND ROUGH SEAS
WILL PREVAIL NORTH OF 20N AND EAST OF 130W THROUGH FRI MORNING.
MIXED NW AND W SWELL WILL PRODUCE ROUGH SEAS NORTH OF 05N AND
WEST OF 130W THROUGH FRI BEFORE SEAS DIMINISH INTO THIS WEEKEND.
LOCALLY ROUGH SEAS GENERATED BY GAP WINDS IN THE GULF OF
TEHUANTEPEC AND GULF OF PAPAGAYO WILL BE SEEN FROM 05N TO 15N AND
AS FAR WEST AS 110W INTO THIS WEEKEND. OTHERWISE, RIDGING
EXTENDING THROUGH THE EASTERN PACIFIC WATERS WILL SUPPORT
MODERATE N TO NE WINDS NORTH OF THE MONSOON TROUGH AND ITCZ, WITH
LOCALLY FRESH WINDS OCCURRING FROM 05N TO 25N WEST OF 120W.
LOOKING AHEAD, A LONG-PERIOD NW SWELL WILL LEAD TO ROUGH SEAS
NORTH OF 20N AND WEST OF 130W BY EARLY NEXT WEEK.
DELGADO
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