Mazatlan to Banderas Bay Forecast
April 22, 2026, 3:01 pm (UTC: -04:00)
Subject: Mazatlan to Banderas Bay Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
WARNINGS
.NONE.
A WEAK COLD FRONT CONTINUES TO MOVE ACROSS BAJA CALIFORNIA NORTE
AND ADJACENT WATERS THIS MORNING, WHILE A BROAD AND WEAK SURFACE
RIDGE PREVAILS ACROSS THE REMAINDER BAJA OFFSHORES TO THE
SOUTHEAST OF THE FRONT. OVERNIGHT SATELLITE SCATTEROMETER DATA
CONFIRMED MODERATE TO FRESH NW WINDS AHEAD OF THE FRONT FROM
SEBASTIAN VIZCAINO BAY TO PUNTA ABREOJOS WHERE ALTIMETER DATA
SHOW SEAS IN THE 4 TO 7 FT RANGE IN MIXED S AND NEW NW SWELL.
RECENT SATELLITE ALTIMETER DATA SHOWS SEAS OF 8 TO 9 FT IN THIS
AREA OF FRESH NW WINDS JUST OFFSHORE OF SEBASTIAN VIZCAINO BAY.
IN THE NORTHERN GULF OF CALIFORNIA, MODERATE TO FRESH NW TO N
WINDS ARE BEGINNING TO FILL IN ACROSS THE GULF BEHIND OF THE
FRONT. IN THE GULF OF TEHUANTEPEC, N GAP WINDS ARE MODERATE TO
FRESH AND SEAS TO 5-6 FT. ELSEWHERE, WINDS ARE LIGHT TO GENTLE
AND SEAS 5-6 FT IN S SWELL, EXCEPT TO 3 FT IN THE GULF OF
CALIFORNIA. SCATTERED MODERATE CONVECTION IS OCCURRING OVER
PORTIONS OF WESTERN OAXACA AND EASTERN GUERRERO AND THE ADJACENT
WATERS.
A WEAKENING COLD FRONT CONTINUES TO SLIDE SOUTHEASTWARD ACROSS
THE NE WATERS, EXTENDING FROM THE NORTHERN GULF OF CALIFORNIA
ACROSS BAJA NORTE TO NEAR 25N121W, THEN BECOMES STATIONARY,
STRETCHING TO 21N139W. NO SIGNIFICANT CONVECTION IS SEEN NEAR
THIS BOUNDARY. LARGE NW SWELL FOLLOWS THE FRONT, SUPPORTING SEAS
OF 8-11 FT PER RECENT ALTIMETER DATA. HIGH PRESSURE WELL NW OF
THE FRONT EXTENDS WEAKLY INTO THE AREA AND IS PRODUCING LIGHT TO
GENTLE ANTICYCLONIC WINDS BEHIND THE FRONT N OF 20N. WEAK HIGH
PRESSURE SE OF THE FRONT DOMINATES THE REMAINDER OF THE BASIN,
SUPPORTING MODERATE TO LOCALLY FRESH EASTERLY TRADE WINDS FROM
07N TO 20N BETWEEN 120W AND 140W AS SHOWN BY OVERNIGHT
SCATTEROMETER DATA. MODERATE SEAS 5 TO 7 FT IN S SWELL, PREVAIL
BETWEEN THE FRONT AND THE ITCZ. ELSEWHERE, MODERATE OR LIGHTER
WINDS AND MODERATE SEAS ARE PREVALENT.
FOR THE FORECAST, HIGH PRESSURE IN THE GULF OF AMERICA WILL
CONTINUE TO WEAKEN TODAY AS IT SHIFTS NORTHEASTWARD, LEADING TO
A SIGNIFICANT DECREASE IN GAP WINDS ACROSS THE GULF OF
TEHUANTEPEC. THE WEAK COLD FRONT WILL CONTINUE TO MOVE
SOUTHEASTWARD AND DISSIPATE ACROSS CENTRAL BAJA LATER TODAY. NEW
HIGH PRESSURE BEHIND THIS FRONT WILL BUILD ACROSS THE BAJA
WATERS TODAY THROUGH THU, AND ACT TO INCREASE WINDS MODESTLY
THROUGH EARLY FRI BEFORE WEAKENING INTO FRI NIGHT. NW SWELL
GENERATED BEHIND THE FRONT WILL CONTINUE TO MOVE ACROSS THE BAJA
CALIFORNIA NORTE WATERS AND SPREAD SOUTHEASTWARD TO THE
REVILLAGIGEDO ISLANDS THROUGH THU. SEAS ARE EXPECTED TO PEAK TO
AT 8-9 FT ACROSS NORTH AND CENTRAL PORTIONS OF THE BAJA WATERS
WITH THIS SWELL. ELSEWHERE, MOSTLY LIGHT TO GENTLE WEST TO
NORTHWEST WINDS ARE EXPECTED THROUGH THE WEEKEND.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - Not available yet
TONITE - Not available yet
THURSDAY - W 8-10, Seas SSW 1.1-3.3 ft @ 14sec
THURSDAY NIGHT - NW 5-6, Seas SSW --? ft @ 16sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
FRIDAY - WNW 8-10, Seas SSW 1.3-2.9 ft @ 13sec
SATURDAY - W 7-9, Seas SSW 1.3-2.7 ft @ 12sec
SUNDAY - Not available yet
MONDAY - NW 9-11, Seas N/A ?-? ft @ ?
TUESDAY - WNW 6-7, Seas N/A ?-? ft @ ?