689
AXPZ20 KNHC 142011
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC MON APR 14 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2000 UTC.
..SPECIAL FEATURE
GULF OF TEHUANTEPEC GALE WARNING: FRESH NORTHERLY WINDS ARE
WITHIN 60 NM OF THE COAST OF TEHUANTEPEC, WITH SEAS IN THE 6-7
FT RANGE. HIGH PRESSURE WILL BUILD ACROSS THE WESTERN GULF OF
AMERICA LATE TUE THROUGH WED, AND WILL INDUCE ANOTHER ROUND OF
FRESH TO STRONG GAP WINDS ACROSS TEHUANTEPEC. WINDS ARE EXPECTED
TO REACH GALE-FORCE TUE NIGHT THROUGH WED MORNING, WITH SEAS
BUILDING TO 12 FT BY WED MORNING. FRESH TO STRONG WINDS WILL THEN
CONTINUE ACROSS THE AREA THROUGH EARLY THU.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
A SURFACE TROUGH EXTENDS FROM 08N78W TO 07N85W. THE ITCZ
CONTINUES FROM 07N85W TO 06N120W TO BEYOND 01N140W. SCATTERED
MODERATE ISOLATED STRONG CONVECTION IS NOTED FROM 04N TO 11N
BETWEEN 104W AND 118W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
SEE THE SPECIAL FEATURES SECTION FOR AN UPCOMING GALE-FORCE GAP
WIND EVENT ACROSS THE GULF OF TEHUANTEPEC TUE NIGHT INTO WED
MORNING.
ELSEWHERE ACROSS THE MEXICAN OFFSHORE WATERS, HIGH PRESSURE
REMAINS WELL NW OF THE AREA, WITH THE ASSOCIATED RIDGE EXTENDING
SOUTHEASTWARD TO OFFSHORE OF BAJA SUR. THIS PATTERN IS PRODUCING
MAINLY LIGHT TO GENTLE NW TO W WINDS, EXCEPT MODERATE NW WINDS
NEAR THE COAST OF CABO SAN LUCAS. SEAS ARE IN THE 6-7 FT RANGE
IN NW SWELL OFF BAJA CALIFORNIA EXCEPT 7 TO 8 FT OFFSHORE OF BAJA
NORTE. ELSEWHERE OVER THE OPEN WATERS BETWEEN PUERTO ANGEL AND
THE REVILLAGIGEDO ISLANDS, SEAS OF 5-6 FT IN S SWELL PREVAIL. IN
THE GULF OF CALIFORNIA, S TO SW WINDS AT LESS THAN 15 KT PREVAIL,
WITH SEAS OF 3 FT OR LESS, EXCEPT 4 TO 5 FT IN S SWELL ACROSS
THE ENTRANCE.
FOR THE FORECAST, STRONG NORTHERLY GAP WINDS IN THE GULF OF
TEHUANTEPEC WILL RETURN TONIGHT THROUGH THU. WINDS IN THE
TEHUANTEPEC REGION WILL BRIEFLY REACH GALE-FORCE TUE NIGHT INTO
WED MORNING. ELSEWHERE, NW SWELL ACROSS THE BAJA CALIFORNIA
WATERS WILL SUBSIDE THROUGH THU. WINDS ACROSS THE AREA WATERS
WILL REMAIN MODERATE OR LESS THROUGH THE WEEK, EXCEPT MODERATE TO
LOCALLY FRESH ACROSS THE BAJA SUR WATERS TUE EVENING THROUGH
FRI. IN THE GULF OF CALIFORNIA, EXPECT MODERATE OR WEAKER WINDS,
EXCEPT ACROSS NORTHERN PORTIONS WHERE FRESH TO LOCALLY STRONG SW
TO W WINDS ARE EXPECTED EACH NIGHT. WINDS OVER THE NORTHERN GULF
OF CALIFORNIA MAY BECOME STRONG TO NEAR GALE- FORCE WED NIGHT.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
FRESH TO STRONG NE TO E GAP WINDS, AND SEAS OF 6 TO 8 FT,
PREVAIL ACROSS THE PAPAGAYO REGION EAST OF 88W, WITH MODERATE NE
TO E WINDS EXTENDING DOWNSTREAM FROM 89W TO BEYOND 92W. MODERATE
N WINDS ARE ACROSS MUCH OF THE GULF OF PANAMA N OF 04N. WINDS
ARE LIGHT TO GENTLE ELSEWHERE, WITH SEAS OF 5 TO 6 FT IN
MODERATE S TO SW SWELL.
FOR THE FORECAST, HIGH PRESSURE N OF THE REGION WILL SUPPORT
FRESH NE TO E GAP WINDS PULSING TO STRONG AT NIGHT ACROSS THE
PAPAGAYO REGION THROUGH THE WEEK, WITH LOCALLY ROUGH SEAS.
MODERATE TO FRESH NORTHERLY WINDS WILL PREVAIL ACROSS THE GULF OF
PANAMA. OUTSIDE OF THE GULFS OF PAPAGAYO AND PANAMA, MODERATE S
SWELL WILL SUBSIDE THROUGH THU.
..REMAINDER OF THE AREA.
A BROAD SURFACE RIDGE COVERS THE SUBTROPICAL PACIFIC WATERS N OF
20N AND W OF 120W. THE PRESSURE GRADIENT BETWEEN THIS AREA OF
HIGH PRESSURE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS
SUPPORTING MODERATE TO FRESH NE WINDS OVER THE WATERS N OF THE
ITCZ AND W OF 130W. SEAS OVER THESE WATERS NORTH OF 19N ARE IN
THE 7 TO 9 FT RANGE IN MERGING NW AND S SWELL, AND 5 TO 8 FT
SOUTH OF 19N. ELSEWHERE W OF 100W, MODERATE TO LOCALLY FRESH
TRADE WINDS PREVAIL N OF THE ITCZ TO 14N, WHERE SEAS ARE 6 TO 9
FT, HIGHEST EAST OF 110W WHERE S SWELL IS MIXING WITH NE SWELL
PROPAGATING AWAY FROM TEHUANTEPEC. ACROSS THE REMAINING WATERS,
WINDS ARE MODERATE OR WEAKER WITH SEAS OF 5-7 FT.
FOR THE FORECAST, N TO NE SWELL GENERATED FROM AN EARLIER GULF
OF TEHUANTEPEC GALE FORCE GAP WIND EVENT MIXING WITH S SWELL WILL
GRADUALLY SUBSIDE TO AROUND 8 FT TONIGHT. HIGH PRESSURE WILL
PERSIST N OF THE AREA THROUGH MID WEEK, MAINTAINING FRESH TO
LOCALLY STRONG NE WINDS W OF 130W THROUGH WED. LARGE NW TO N
SWELL OVER THE NW SUBTROPICAL WATERS WILL SUBSIDE THIS EVENING
THROUGH WED.
AL
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page