Mazatlan to Banderas Bay Forecast
April 21, 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 1018 MB HIGH IS CENTERED WELL OFFSHORE OF CABO SAN LAZARO
AND BAJA CALIFORNIA SUR NEAR 121W THIS MORNING, AHEAD OF AN
APPROACHING COLD FRONT. THE ASSOCIATED BROAD RIDGE IS PRODUCING GENTLE
TO MODERATE NW TO N WINDS ACROSS THE BAJA WATERS, WITH SEAS OF
3-5 FT IN S SWELL, EXCEPT FOR LOCALLY FRESH WINDS OFF CABO SAN
LUCAS. ELSEWHERE W OF PUERTO ANGEL, MODERATE OR WEAKER WINDS AND
SLIGHT TO MODERATE SEAS PREVAIL. AN ELONGATED MIDDLE TO UPPER-
LEVEL TROUGH EXTENDS FROM CENTRAL MEXICO W-SW INTO THE TROPICS
ALONG 120W, AND IS SUPPORTING CONTINUED SCATTERED MODERATE
ISOLATED STRONG CONVECTION FROM 12N TO 16.5N BETWEEN 109W AND
THE CENTRAL OF OAXACA.
FOR THE FORECAST, HIGH PRESSURE ACROSS THE GULF OF AMERICA WILL
SUPPORT FRESH TO STRONG N WINDS AND ROUGH SEAS IN THE GULF OF
TEHUANTEPEC THROUGH THIS AFTERNOON. ELSEWHERE, NEW NW SWELL WILL
MOVE THROUGH THE WATERS WEST OF BAJA CALIFORNIA NORTE TONIGHT
INTO WED. SEAS ARE EXPECTED TO PEAK TO AROUND 8 FT ACROSS NORTH
AND CENTRAL PORTIONS OF THE BAJA WATERS WITH THIS SWELL. NEW HIGH
PRESSURE WILL BEGIN TO BUILD ACROSS THE BAJA WATERS LATE WED,
BEHIND A DISSIPATING COLD FRONT EXPECTED TO DIE ACROSS THE AREA.
FRESH TO LOCALLY STRONG NORTHWEST WINDS ARE FORECAST OVER THE
PACIFIC WATERS OF BAJA CALIFORNIA BEGINNING LATE WED. NORTHWEST
WINDS WILL PULSE TO MODERATE TO FRESH SPEEDS AT NIGHT OFFSHORE
SOUTHWESTERN MEXICO TODAY THROUGH FRI. ELSEWHERE, MOSTLY LIGHT TO
GENTLE WEST TO NORTHWEST WINDS ARE EXPECTED THROUGH THE END OF
THE WEEK AND INTO THE UPCOMING WEEKEND.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - WNW 8-10, Seas SSW 1.4-3.6 ft @ 18sec
TONITE - W 3-4, Seas SSW --? ft @ 18sec
WEDNESDAY - Not available yet
WEDNESDAY NIGHT - Not available yet
LONG-TERM MAZATLAN TO BAHIA BANDERAS
THURSDAY - WNW 7-9, Seas SSW 1.1-3.3 ft @ 14sec
FRIDAY - WNW 9-11, Seas SSW 1.3-3 ft @ 13sec
SATURDAY - WNW 7-9, Seas SSW 1.4-2.7 ft @ 12sec
SUNDAY - NW 9-11, Seas N/A ?-? ft @ ?
MONDAY - NW 10-13, Seas N/A ?-? ft @ ?