Weather Summary for Mexico and Central America
August 21, 2025, 3:01 pm (UTC: -04:00)
Subject: Weather Summary for Mexico and Central America
**OUTSIDE BAJA FORECAST**
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This forecast has not been reviewed. It was generated from an automatic model.
WARNINGS
.NONE.
SHORT-TERM ENSENADA - CEDROS
TODAY - NW 9-11, Seas SSW 0-4.9 feet @ 14sec
TONITE - NW 9-11, Seas SSW 0-4.9 feet @ 14sec
FRIDAY - WNW 9-11, Seas SSW 0-4.9 feet @ 15sec
FRIDAY NIGHT - WNW 9-11, Seas SSW 0-4.9 feet @ 15sec
SHORT-TERM CEDROS - SAN LAZAROS
TODAY - WNW 9-11, Seas SSW 3.2-5 feet @ 14sec
TONITE - WNW 9-11, Seas SSW 3.2-5 feet @ 14sec
FRIDAY - WNW 9-11, Seas SSW 0-4.9 feet @ 16sec
FRIDAY NIGHT - WNW 9-11, Seas SSW 0-4.9 feet @ 16sec
SHORT-TERM SAN LAZAROS - CABO FALSO
TODAY - WNW 10-12, Seas SSW 2.3-4.6 feet @ 16sec
TONITE - WNW 10-12, Seas SSW 2.3-4.6 feet @ 16sec
FRIDAY - WNW 10-12, Seas SSW 2.4-4.7 feet @ 16sec
FRIDAY NIGHT - WNW 10-12, Seas SSW 2.4-4.7 feet @ 16sec
LONG-TERM OUTSIDE OF THE BAJA
SATURDAY - Northern 1/3 NNW 9-11, Seas SSW 0-4.9 feet @ 22sec, Middle 2/3 NW 8-10, Seas SSW 0-4.9 feet @ 15sec, Southern 1/3 W 9-11, Seas SSW 2.1-4.7 feet @ 15sec
SUNDAY - Northern 1/3 NNW 7-9, Seas SSW 0-4.8 feet @ 22sec, Middle 2/3 NW 7-9, Seas SSW 0-5 feet @ 21sec, Southern 1/3 NW 7-9, Seas SSW 0-4.7 feet @ 21sec
MONDAY - Northern 1/3 NW 9-11, Seas N/A ?-? feet @ ?, Middle 2/3 W 6-7, Seas N/A ?-? feet @ ?, Southern 1/3 S 6-7, Seas N/A ?-? feet @ ?
TUESDAY - Northern 1/3 NNW 9-11, Seas N/A ?-? feet @ ?, Middle 2/3 NW 5-6, Seas N/A ?-? feet @ ?, Southern 1/3 SE 7-9, Seas N/A ?-? feet @ ?
WEDNESDAY - Northern 1/3 NNW 8-10, Seas N/A ?-? feet @ ?, Middle 2/3 NNW 3-4, Seas N/A ?-? feet @ ?, Southern 1/3 E 6-8, Seas N/A ?-? feet @ ?
**SEA OF CORTEZ FORECAST**
A RIDGE EXTENDS FROM 1025 MB HIGH PRESSURE CENTERED NEAR 35N138W
TO REVILLAGIGEDO ISLANDS, WITH A SURFACE TROUGH OVER THE GULF OF
CALIFORNIA. THIS PATTERN IS SUPPORTING GENTLE TO MODERATE NW
BREEZES AND MODERATE SEAS OFF BAJA CALIFORNIA. LIGHT TO GENTLE
BREEZES AND SLIGHT SEAS ARE NOTED ELSEWHERE OFF SOUTHERN MEXICO.
GENTLE WINDS AND SLIGHT SEAS ARE OVER THE GULF OF CALIFORNIA.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN A RIDGE WEST OF
THE BAJA CALIFORNIA PENINSULA AND A TROUGH OVER THE GULF OF
CALIFORNIA WILL SUPPORT GENTLE TO MODERATE NW WINDS WITH MODERATE
SEAS WEST OF THE BAJA PENINSULA THROUGH EARLY NEXT WEEK. GENTLE
TO MODERATE WINDS WILL DEVELOP IN THE GULF OF CALIFORNIA EARLY
NEXT WEEK. LIGHT TO GENTLE WINDS AND MODERATE SEAS IN SW SWELL
WILL PERSIST ACROSS THE REMAINDER OF THE MEXICAN OFFSHORE WATERS.
SHORT-TERM SEA OF CORTEZ NORTHERN HALF (north of 27N)
TODAY - W 8-10, Seas SSW 1.8-3.1 feet @ 14sec
TONITE - W 8-10, Seas SSW 1.8-3.1 feet @ 14sec
FRIDAY - W 6-8, Seas SW 0-3.1 feet @ 15sec
FRIDAY NIGHT - W 6-8, Seas SW 0-3.1 feet @ 15sec
SHORT-TERM SEA OF CORTEZ SOUTHERN HALF (south of 27N)
TODAY - SW 6-7, Seas SSW 0-4 feet @ 14sec
TONITE - SW 6-7, Seas SSW 0-4 feet @ 14sec
FRIDAY - SW 6-8, Seas SSW 0-4.2 feet @ 15sec
FRIDAY NIGHT - SW 6-8, Seas SSW 0-4.2 feet @ 15sec
LONG-TERM SEA OF CORTEZ
SATURDAY - Northern Half SSW 6-7, Seas SW 0-3.1 feet @ 15sec, Southern Half SW 7-9, Seas SW 0-4.2 feet @ 15sec
SUNDAY - Northern Half W 6-8, Seas SSW 0-3.3 feet @ 20sec, Southern Half SSW 6-8, Seas SSW 0-4.7 feet @ 19sec
MONDAY - Northern Half SW 6-7, Seas SSW 0-3.5 feet @ 18sec, Southern Half SSW 6-8, Seas SSW 0-4.8 feet @ 19sec
TUESDAY - Northern Half SW 6-8, Seas N/A ?-? feet @ ?, Southern Half E 10-12, Seas N/A ?-? feet @ ?
WEDNESDAY - Northern Half SW 6-8, Seas N/A ?-? feet @ ?, Southern Half W 6-7, Seas N/A ?-? feet @ ?
**SEA OF CORTEZ SOUTHERN CROSSING FORECAST**
SHORT-TERM SOUTHERN CROSSING (along 23N)
TODAY - SW 6-7, Seas SSW 0-4 feet @ 14sec
TONITE - SW 6-7, Seas SSW 0-4 feet @ 14sec
FRIDAY - SW 6-8, Seas SSW 0-4.2 feet @ 15sec
FRIDAY NIGHT - SW 6-8, Seas SSW 0-4.2 feet @ 15sec
LONG-TERM SOUTHERN CROSSING
SATURDAY - SW 7-9, Seas SW 0-4.2 feet @ 15sec
SUNDAY - SSW 6-8, Seas SSW 0-4.7 feet @ 19sec
MONDAY - SSW 6-8, Seas SSW 0-4.8 feet @ 19sec
TUESDAY - E 10-12, Seas N/A ?-? feet @ ?
WEDNESDAY - W 6-7, Seas N/A ?-? feet @ ?
**MAZATLAN TO BANDERAS BAY FORECAST**
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - SE 4-5, Seas SSW 0-3.4 feet @ 14sec
TONITE - SE 4-5, Seas SSW 0-3.4 feet @ 14sec
FRIDAY - S 9-11, Seas SW 0-3.6 feet @ 16sec
FRIDAY NIGHT - S 9-11, Seas SW 0-3.6 feet @ 16sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SATURDAY - SSE 5-6, Seas SW 0-3.6 feet @ 15sec
SUNDAY - SW 6-7, Seas SSW 0-3.9 feet @ 19sec
MONDAY - E 8-10, Seas SSW 0-4.2 feet @ 19sec
TUESDAY - NE 11-14, Seas N/A ?-? feet @ ?
WEDNESDAY - NW 8-10, Seas N/A ?-? feet @ ?
**CABO CORRIENTES FORECAST**
SHORT-TERM CABO CORRIENTES TO MANZANILLO
TODAY - W 6-7, Seas SW 0-4.3 feet @ 16sec
TONITE - W 6-7, Seas SW 0-4.3 feet @ 16sec
FRIDAY - ESE 7-9, Seas SW 0-4.4 feet @ 16sec
FRIDAY NIGHT - ESE 7-9, Seas SW 0-4.4 feet @ 16sec
LONG-TERM CABO CORRIENTES TO MANZANILLO
SATURDAY - WNW 5-6, Seas SSW 0-4.7 feet @ 22sec
SUNDAY - SSE 6-8, Seas SSW 0-5 feet @ 19sec
MONDAY - ENE 8-10, Seas SSW 0-5.2 feet @ 18sec
TUESDAY - NE 7-9, Seas N/A ?-? feet @ ?
WEDNESDAY - NW 6-7, Seas N/A ?-? feet @ ?
**MEXICAN RIVIERA FORECAST**
SHORT-TERM MEXICAN RIVIERA MANZANILLO TO BAHIAS DE HUATULCO
TODAY - SW 3-4, Seas SSW 0-4.8 feet @ 14sec
TONITE - SW 3-4, Seas SSW 0-4.8 feet @ 14sec
FRIDAY - NW 5-6, Seas SW 0-4.9 feet @ 16sec
FRIDAY NIGHT - NW 5-6, Seas SW 0-4.9 feet @ 16sec
LONG-TERM MEXICAN RIVIERA MANZANILLO TO BAHIAS DE HUATULCO
SATURDAY - SW 5-6, Seas SW 0-5.3 feet @ 22sec
SUNDAY - E 6-7, Seas SW 0-5.4 feet @ 20sec
MONDAY - ESE 10-12, Seas SSW 0-6.2 feet @ 18sec
TUESDAY - W 7-9, Seas N/A ?-? feet @ ?
WEDNESDAY - E 8-10, Seas N/A ?-? feet @ ?
**TEHUANTEPEC FORECAST**
SHORT-TERM TEHUANTEPEC
TODAY - E 3-4, Seas SSW 0-4.6 feet @ 14sec
TONITE - E 3-4, Seas SSW 0-4.6 feet @ 14sec
FRIDAY - NE 10-12, Seas SW 0-4.9 feet @ 16sec
FRIDAY NIGHT - NE 10-12, Seas SW 0-4.9 feet @ 16sec
LONG-TERM TEHUANTEPEC
SATURDAY - SSE 6-8, Seas SW 0-5 feet @ 15sec
SUNDAY - SW 5-6, Seas SSW 0-4.9 feet @ 22sec
MONDAY - NNE 7-9, Seas SSW 0-6.3 feet @ 19sec
TUESDAY - N 8-10, Seas N/A ?-? feet @ ?
WEDNESDAY - NNW 14-18, Seas N/A ?-? feet @ ?
**GAP WINDS FORECAST**
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 13N111W TO 12N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 03N TO 14N E OF 100W. SCATTERED
MODERATE FROM 08N TO 25N BETWEEN 100W AND 140W.
THE AXIS OF A TROPICAL WAVE IS NEAR 96W, NORTH OF 03N, MOVING
WEST AT 10 TO 15 KT. NEARBY CONVECTION IS DESCRIBED BELOW IN THE
MONSOON TROUGH/ITCZ SECTION. AN AREA OF LOW PRESSURE IS LIKELY
TO FORM THIS WEEKEND OFF THE COAST OF SOUTHWESTERN MEXICO IN
ASSOCIATION WITH THIS WAVE. ENVIRONMENTAL CONDITIONS APPEAR
CONDUCIVE FOR SOME GRADUAL DEVELOPMENT OF THIS SYSTEM DURING THE
EARLY AND MIDDLE PORTIONS OF NEXT WEEK WHILE IT MOVES GENERALLY
WEST-NORTHWESTWARD AT 10 TO 15 MPH. THERE IS A LOW CHANCE FOR
DEVELOPMENT IN THE NEXT 7 DAYS.
THE AXIS OF A TROPICAL WAVE IS NEAR 110W, NORTH OF 05N, MOVING
WEST AT 10 KT. NEARBY CONVECTION IS DESCRIBED BELOW IN THE
MONSOON TROUGH/ITCZ SECTION.
THE AXIS OF A TROPICAL WAVE IS NEAR 127W, FROM 04N TO 17N,
MOVING WEST AT 10 TO 15 KT. NEARBY CONVECTION IS DESCRIBED BELOW
IN THE MONSOON TROUGH/ITCZ SECTION.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N85W TO 13N111W TO 12N140W.
SCATTERED MODERATE AND ISOLATED STRONG CONVECTION NOTED FROM 03N
TO 14N EAST OF 100W. SCATTERED MODERATE CONVECTION IS NOTED FROM
08N TO 25N BETWEEN 100W AND 140W.
HIGH PRESSURE PREVAILS NORTH OF 20N, ANCHORED BY A 1025 MB HIGH
CENTERED NEAR 35N138W. THE PRESSURE GRADIENT BETWEEN THIS AREA OF
HIGH PRESSURE ALONG WITH LOWER PRESSURE WITHIN THE MONSOON
TROUGH IS SUPPORTING MODERATE TO FRESH TRADE WINDS NORTH OF THE
MONSOON TROUGH TO 22N AND WEST OF 125W. SEAS OVER THESE WATERS
ARE IN THE 6-8 FT RANGE. GENTLE TO MODERATE WINDS, AND SEAS OF
4-7 FT, PREVAIL ELSEWHERE NORTH OF THE MONSOON TROUGH. MODERATE
TO FRESH WINDS, AND SEAS OF 7-8 FT, ARE SOUTH OF THE MONSOON
TROUGH AND WEST OF 125W. GENTLE TO MODERATE WINDS, AND COMBINED
SEAS OF 6-8 FT IN SOUTHERLY SWELL, PREVAIL ELSEWHERE SOUTH OF THE
MONSOON TROUGH.
FOR THE FORECAST, LIGHT TO GENTLE WINDS WILL PREVAIL ACROSS THE
WATERS NORTH OF 05N THROUGH THE WEEKEND, EXCEPT FOR MODERATE TO
FRESH WINDS PULSING IN THE GULF OF PAPAGAYO AT NIGHT STARTING
TONIGHT. GENTLE TO MODERATE WINDS ARE EXPECTED SOUTH OF 05N.
CROSS- EQUATORIAL SOUTHERLY SWELL WILL PROPAGATE ACROSS THE
REGIONAL WATERS, KEEPING SEAS IN THE MODERATE RANGE THROUGH FRI,
EXCEPT IN THE LEE OF THE GALAPAGOS ISLANDS WHERE SLIGHT SEAS ARE
EXPECTED. ANOTHER ROUND OF LARGE SWELL WILL MOVE INTO THE WATERS
OFF ECUADOR AND COLOMBIA BY LATE FRI, AND REACH THE OFFSHORE
WATERS OF CENTRAL AMERICA BY SUN.
SHORT-TERM GAP WINDS (Near 11N 86W)
TODAY - ENE 10-13, Seas SW 0-4.1 feet @ 19sec
TONITE - ENE 10-13, Seas SW 0-4.1 feet @ 19sec
FRIDAY - ENE 16-20, Seas SW 1.5-5 feet @ 16sec
FRIDAY NIGHT - ENE 16-20, Seas SW 1.5-5 feet @ 16sec
LONG-TERM GAP WINDS (Near 11N 86W)
SATURDAY - ENE 13-16, Seas SW 0-4.6 feet @ 14sec
SUNDAY - ENE 15-19, Seas SW 0-5.6 feet @ 20sec
MONDAY - ENE 14-18, Seas SW 0-5.6 feet @ 19sec
TUESDAY - ENE 19-24, Seas N/A ?-? feet @ ?
WEDNESDAY - ENE 17-21, Seas N/A ?-? feet @ ?
** TSUNAMI INFO **
tsunami
See https://www.tsunami.gov/events/xml/PHEBAtom.xml PTCW - Tsunami warnings and info for Pacific Ocean (3.5 days old)
Updated 18 Aug 2025 07:57:44 GMT (3.5 days old)
ABOUT 111 MILES SOUTH OF SAVAII ISLAND
https://www.tsunami.gov/events/PHEB/2025/08/18/25230000/1/WEZS42/WEZS42.txt
Incident past 2 days, follow link for details.
See https://www.tsunami.gov/events/xml/PAAQAtom.xml NWS West Coast/Alaska Tsunami Center Bulletins (13.8 days old)
Updated 07 Aug 2025 23:49:07 GMT (13.8 days old)
30 miles N of Homer, Alaska
https://www.tsunami.gov/events/PAAQ/2025/08/07/t0ndzo/1/WEAK53/WEAK53.txt
Incident past 2 days, follow link for details.