Mazatlan to Banderas Bay Forecast
August 27, 2026, 8:02 am (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.
POST-TROPICAL CYCLONE ISELLE IS WELL BEYOND THE OFFSHORE WATERS
OF BAJA CALIFORNIA. OUTER ASSOCIATED SWELLS OF 5 TO 6 FT ARE
IMPACTING THE FAR BAJA CALIFORNIA NORTE WATERS NEAR THE OUTER
OFFSHORE BOUNDARY. MEANWHILE, FRESH TO STRONG NORTHERLY GAP WINDS
CONTINUE TO BLOW IN THE GULF OF TEHUANTEPEC WITH SEAS TO 8 FT.
WINDS ARE MODERATE OR WEAKER ELSEWHERE WITH MAINLY MODERATE SEAS,
EXCEPT SLIGHT IN THE GULF OF CALIFORNIA. ACTIVE SHOWERS AND
THUNDERSTORMS ARE PRESENT OVER THE OUTER OFFSHORE WATERS AREAS OF
SOUTHERN AND SOUTHWESTERN MEXICO AS DESCRIBED WITH INVEST EP93
IN THE SPECIAL FEATURES SECTION ABOVE WITH LOCALLY HIGHER WINDS
AND SEAS POSSIBLE THERE.
FOR THE FORECAST, AN AREA OF LOW PRESSURE, INVEST EP93, CENTERED
WELL SOUTHWEST OF SOUTHERN MEXICO HAS A CHANCE FOR TROPICAL
CYCLONE FORMATION, BUT WILL STAY OUTSIDE OF THE OFFSHORE WATERS
AS IT MOVES WEST-NORTHWESTWARD AT 10 TO 15 KT THROUGH SUN. THE
CENTER OF THE LOW PRESSURE WILL MAKE ITS CLOSEST POINT OF
APPROACH WITHIN 120 NM TO THE SOUTHWEST OF CLARION ISLAND FRI
NIGHT INTO SAT. FRESH TO STRONG NORTHERLY GAP WINDS WILL CONTINUE
TO PULSE IN THE GULF OF TEHUANTEPEC THROUGH EARLY SUN WITH
LOCALLY ROUGH SEAS THERE AT TIMES. A SURGE OF FRESH TO STRONG
SOUTHEASTERLY WINDS LIKELY ASSOCIATED WITH CONVECTIVE COMPLEXES
MAY MOVE UP THE CENTRAL AND NORTHERN GULF OF CALIFORNIA BOTH FRI
AND SAT NIGHTS. LOOKING AHEAD, ANOTHER AREA OF LOW PRESSURE COULD
FORM THIS WEEKEND WELL TO THE SOUTH OF SOUTHWESTERN MEXICO.
ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR SOME GRADUAL
DEVELOPMENT OF THIS SYSTEM, AND A TROPICAL DEPRESSION COULD FORM
BY EARLY NEXT WEEK WHILE IT MOVES WESTWARD TO WEST-NORTHWESTWARD
AT 10 TO 15 KT.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - N 10-12, Seas SSW 0-3 ft @ 18sec
TONITE - SW 6-7, Seas SSW 0-3.4 ft @ 17sec
FRIDAY - WSW 9-11, Seas SSW 0-4.2 ft @ 18sec
FRIDAY NIGHT - WSW 4-5, Seas SSW 0-5.3 ft @ 17sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SATURDAY - NE 7-9, Seas SSW 0-5.8 ft @ 16sec
SUNDAY - N 8-10, Seas SSW 0-5.3 ft @ 15sec
MONDAY - NNE 9-11, Seas SSW 0-4.2 ft @ 14sec
TUESDAY - NNW 7-9, Seas SSW 0-4 ft @ 13sec
WEDNESDAY - WSW 7-9, Seas SSW 0-3 ft @ 16sec