Mazatlan to Banderas Bay Forecast
November 12, 2026, 3:00 pm (UTC: -05:00)
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.
.21 HOUR FORECAST COLD FRONT FROM 31.5N114W TO 30.5N115W. WITHIN
31N113W TO 32N114W TO 31N114W TO 31N115W TO 30N114W TO 30N113W
TO 31N113W...INCLUDING THE NORTHERN GULF OF CALIFORNIA...SW
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
FRESH TO STRONG NORTHERN WINDS ARE IN THE GULF OF TEHUANTEPEC
SUPPORTED BY THE PRESSURE GRADIENT BETWEEN A HIGH PRESSURE
SYSTEM OVER THE SOUTHERN UNITED STATES AND LOWER PRESSURES WITH
THE MONSOON TROUGH SE OF THE AREA. SEAS IN THIS WATERS ARE 4-7
FT. MEANWHILE, A WEAK PRESSURE GRADIENT IS PRESENT IN THE
REMAINDER OF THE MEXICAN OFFSHORE WATERS WITH MAINLY MODERATE OR
WEAKER WINDS. DECAYING NW SWELL IS PRODUCING SEAS OF 5-8 FT
ACROSS MUCH OF THE AREA, EXCEPT FOR SLIGHT SEAS IN THE GULF OF
CALIFORNIA.
FOR THE FORECAST, FRESH NORTHERLY WINDS AND ROUGH SEAS AROUND 8
FT WILL PULSE TO STRONG AT NIGHT ACROSS THE GULF OF TEHUANTEPEC
THROUGH FRI NIGHT WITH LOCALLY ROUGH SEAS. THE NEXT TEHUANTEPEC
GAP WIND EVENT IS FORECAST TO BEGIN EARLY NEXT WEEK AND CONTINUE
THROUGH MUCH OF THE NEXT WEEK. WINDS MAY REACH GALE-FORCE
STARTING LATE MON NIGHT. MEANWHILE, A COLD FRONT WILL MOVE
ACROSS THE OFFSHORE WATERS OF BAJA CALIFORNIA FRI, BRINGING FRESH
WINDS AND A NEW BATCH OF ROUGH SEAS APPROACHING 12 FT. FRESH TO
LOCALLY STRONG WINDS MAY ALSO BRIEFLY IMPACT THE NORTHERN GULF OF
CALIFORNIA FRI. THEN, A LARGER NW SWELL ARRIVING SAT WILL
PRODUCE HIGH SEAS TO 20 FT. ROUGH SEAS WILL REACH ALL THE WAY TO
PAST 100W BY EARLY NEXT WEEK, WHILE ADDITIONAL AND REINFORCING NW
SWELL SETS CONTINUE TO ARRIVE.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - N 6-8, Seas SSW 0-3 ft @ 17sec
TONITE - NNW 8-10, Seas SSW 0-3.1 ft @ 16sec
FRIDAY - NW 9-11, Seas SSW 1.4-3.4 ft @ 15sec
FRIDAY NIGHT - NW 6-7, Seas SSW 0-3.5 ft @ 14sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SATURDAY - NW 6-7, Seas SSW 0-3.5 ft @ 14sec
SUNDAY - NW 6-7, Seas SSW 0-3.5 ft @ 14sec
MONDAY - NNE 6-7, Seas SSW 0-3.3 ft @ 14sec
TUESDAY - ENE 6-7, Seas SSW 0-2.9 ft @ 13sec
WEDNESDAY - S 13-16, Seas SSW 0-2.2 ft @ 15sec