555
AXPZ20 KNHC 070258
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI NOV 7 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
0220 UTC.
..SPECIAL FEATURES
NW SIGNIFICANT SWELL EVENT: LARGE NW SWELL GENERATED BY A STORM
FORCE LOW PRESSURE SYSTEM WELL NORTH OF THE AREA, IS PROPAGATING
ACROSS THE FAR NW DISCUSSION WATERS, WHERE WAVE MODELS SHOW THE
LEADING WAVES OF THIS SWELL WITH PERIODS OF 13 TO 15 SECONDS.
CURRENTLY, SEAS ASSOCIATED WITH THIS SWELL ARE PEAKING AT 12 TO
15 FT (3.7 TO 4.5 M), TO THE NORTH OF 23N BETWEEN 122W AND 132W.
SEAS GREATER THAN 12 FT WILL CONTINUE TO SHIFT EASTWARD ACROSS
THE WATERS N OF 24N AND W OF 120W TONIGHT BEFORE SUBSIDING BELOW
12 FT ACROSS THE WATERS WELL OFFSHORE OF BAJA CALIFORNIA NORTE
FRI MORNING. MARINERS SHOULD USE EXTREME CAUTION IN THIS AREA,
DEPENDING ON VESSEL TYPE AND CARGO.
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 DETAILS.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 11N73W TO 09N78W TO 09.5N89W TO
TO 07.5N109W. THE ITCZ CONTINUES FROM 07.5N109W TO 09N125W AND
RESUMES FROM 09N127W TO 08.5N140W. SCATTERED MODERATE ISOLATED
STRONG CONVECTION IS NOTED FROM 07N TO 11.5N BETWEEN 91.5W AND
111.5W. SCATTERED MODERATE CONVECTION IS NOTED FROM 09N TO 12.5N
BETWEEN 114W AND 136W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
MODERATE TO LOCALLY FRESH N-NW WINDS PREVAIL ACROSS THE OFFSHORE
WATERS OF THE BAJA CALIFORNIA PENINSULA, AND ARE STRONGEST FROM
PUNTA EUGENIA NORTHWARD. LARGE NW SWELL MOVING INTO THE REGIONAL
WATERS IS LEADING TO BUILDING SEAS OF 6-9 FT N OF PUNTA EUGENIA,
AND 4-6 FT SEAS SOUTHWARD TO THE REVILLAGIGEDO ISLANDS. LIGHT TO
GENTLE WINDS PREVAIL ACROSS THE REMAINING OPEN WATERS FROM LAS
TRES MARIAS TO PUERTO ANGEL, WHERE SEAS ARE 4-5 FT. INSIDE THE
GULF OF CALIFORNIA, GENTLE TO MODERATE N-NW WINDS ARE OCCURRING,
EXCEPT LOCALLY FRESH NEAR CABO SAN LUCAS. SEAS THERE ARE 3 FT OR
LESS EXCEPT AROUND 4 FT NEAR CABO SAN LUCAS. GAP WINDS ACROSS
AND DOWNSTREAM OF THE GULF OF TEHUANTEPEC ARE GRADUALLY DIMINISHING,
AND ARE FRESH TO STRONG TO THE N OF 15N THIS EVENING, WITH SEAS
OF 5 TO 6 FT.
FOR THE FORECAST, FRESH TO STRONG WINDS IN THE GULF OF TEHUANTEPEC
WILL DIMINISH THROUGH FRI AS HIGH PRESSURE WEAKENS ACROSS
NORTHEASTERN MEXICO. LARGE NORTHWEST SWELL BUILDING INTO THE
WATERS N OF PUNTA EUGENIA THIS EVENING WILL PROPAGATE THROUGH
THE REMAINDER OF THE OFFSHORE WATERS OF BAJA CALIFORNIA THROUGH
FRI NIGHT, THEN SUBSIDE DURING THE WEEKEND. WINDS ACROSS THE BAJA
WATERS WILL DIMINISH FRI THROUGH THE WEEKEND AS WEAK LOW PRESSURE
DEVELOPS ACROSS THE BAJA NORTE WATERS AND DRIFTS WESTWARD. THE
NEXT SIGNIFICANT GAP WIND EVENT FOR THE GULF OF TEHUANTEPEC
REGION IS EXPECTED TO BEGIN SUN NIGHT, WITH WINDS POSSIBLY
REACHING GALE-FORCE BY EARLY MON MORNING.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
MODERATE TO NORTHEAST TO EAST GAP WINDS PREVAIL ACROSS AND WELL
DOWNSTREAM OF THE GULF OF PAPAGAYO REGION. LIGHT TO GENTLE WINDS
PREVAIL ELSEWHERE N OF THE MONSOON TROUGH. GENTLE TO MODERATE
WINDS ARE S OF THE MONSOON TROUGH, AND ARE STRONGEST EAST THROUGH
NORTH OF THE GALAPAGOS ISLANDS. SEAS ARE IN THE 4 TO 6 FT RANGE
IN SW SWELL OVER THE DISCUSSION WATERS.
FOR THE FORECAST, MODERATE NORTHEAST TO EAST WINDS IN THE GULF OF
PAPAGAYO REGION WILL DIMINISH TO LIGHT TO GENTLE ON FRI THROUGH
SUN. WINDS IN THE PAPAGAYO REGION WILL THEN FRESHEN BY EARLY
NEXT WEEK AS HIGH PRESSURE BUILDS NORTH OF THE REGION. OTHERWISE,
RELATIVELY MILD CONDITIONS ARE EXPECTED THROUGHOUT THE REGION
THROUGH MON. SEAS WILL BE DOMINATED BY A MIX OF MODERATE SW AND
NW SWELL INTO EARLY NEXT WEEK.
..REMAINDER OF THE AREA
PLEASE SEE SPECIAL FEATURES SECTION ABOVE FOR DETAILS ON A LARGE
SET OF NW SWELL IS MOVING THROUGH THE FAR NW DISCUSSION WATERS
THAT WILL CONTINUE OVER THE NORTHERN WATERS THROUGH TONIGHT
BEFORE SUBSIDING.
ASIDE FROM THE NW SWELL DISCUSSED IN THE SPECIAL FEATURES SECTION
ABOVE, HIGH PRESSURE DOMINATES THE WATERS N OF 20N, ANCHORED BY
A 1024 MB HIGH CENTERED NEAR 32N130W. LIGHT TO GENTLE WINDS ARE
N OF 26N AND W OF 125W TO THE NW WATERS. THE PRESSURE GRADIENT
BETWEEN THE HIGH PRESSURE AND LOWER PRESSURE WITHIN THE MONSOON
TROUGH, AND IN THE VICINITY OF THE ITCZ, IS SUPPORTING MODERATE
TO FRESH TRADE WINDS FROM 10N TO 23N AND WEST OF 117W. MODERATE
WINDS PREVAIL SOUTH OF THE MONSOON TROUGH/ITCZ. SEAS ARE IN THE 8
TO 12 FT RANGE IN A MIX OF NW SWELL AND NE WIND WAVES FROM 10N TO
20N AND W OF 120W. N OF 20N AND W OF 120W SEAS OF 8 TO 15 FT
PREVAIL IN BUILDING NW SWELL. SEAS ARE IN THE 6 TO 8 FT RANGE
ELSEWHERE.
FOR THE FORECAST, THE NW SWELL OVER THE NW WATERS WILL PROPAGATE
SOUTHEASTWARD DURING THE REST OF THE WEEK, WITH SEAS GREATER
THAN 8 FT COVERING MUCH OF THE WATERS N OF 10N AND W OF 113W BY
FRI EVENING BEFORE STARTING TO SLOWLY SUBSIDE. ANOTHER PULSE OF
NW SWELL WILL BEGIN TO MOVE INTO THE NW WATERS SUN AND INTO
EARLY NEXT WEEK.
STRIPLING
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