Mazatlan to Banderas Bay Forecast
September 19, 2026, 2:00 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.
MODERATE TO FRESH WINDS, AND MODERATE SEAS, PREVAIL OVER THE GULF
OF TEHUANTEPEC, AS WELL AS WEST OF THE BAJA CALIFORNIA PENINSULA.
LIGHT TO GENTLE WINDS, AND SLIGHT SEAS, ARE IN THE GULF OF
CALIFORNIA. ELSEWHERE, LIGHT TO GENTLE WINDS, AND MODERATE SEAS,
PREVAIL.
WESTERN EAST PACIFIC (EP98): DISORGANIZED SHOWERS AND
THUNDERSTORMS CONTINUE TO PERSIST IN ASSOCIATION WITH AN AREA OF
LOW PRESSURE LOCATED WELL SOUTHWEST OF THE SOUTHERN TIP OF THE
BAJA CALIFORNIA PENINSULA. ENVIRONMENTAL CONDITIONS ARE CONDUCIVE
FOR DEVELOPMENT, AND A TROPICAL DEPRESSION IS EXPECTED TO FORM
OVER THE NEXT SEVERAL DAYS AS IT MOVES WESTWARD TO WEST-
NORTHWESTWARD AT 10 TO 15 MPH ACROSS THE WESTERN EAST PACIFIC.
THERE IS A HIGH CHANCE OF TROPICAL CYCLONE FORMATION IN THE NEXT
48 HOURS.
FOR THE FORECAST, FRESH TO LOCALLY STRONG NW WINDS OFFSHORE BAJA
CALIFORNIA WILL DIMINISH THIS AFTERNOON. NORTHWEST WINDS OVER
THESE WATERS ARE EXPECTED TO BRIEFLY REACH FRESH SPEEDS AGAIN MON
NIGHT INTO TUE. OTHERWISE, INVEST EP99 IS CENTERED NEAR 10N106W.
ENVIRONMENTAL CONDITIONS ARE CONDUCIVE FOR DEVELOPMENT, AND A
TROPICAL DEPRESSION IS EXPECTED TO FORM OVER THE NEXT COUPLE OF
DAYS AS THE SYSTEM MOVES GENERALLY NORTHWARD OFF THE COAST OF
SOUTHWESTERN MEXICO. REGARDLESS OF DEVELOPMENT, THIS SYSTEM IS
FORECAST TO BRING INCREASING WINDS AND SEAS OVER THE MICHOACAN
AND JALISCO OFFSHORES TONIGHT INTO WED NIGHT.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - SSW 7-9, Seas SSW 1.2-2.1 ft @ 7sec
TONITE - SW 4-5, Seas SSW 1.1-1.8 ft @ 7sec
SUNDAY - W 6-7, Seas SSW 0.6-1.4 ft @ 7sec
SUNDAY NIGHT - NW 2-3, Seas SSW 0-1.2 ft @ 7sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
MONDAY - WNW 9-11, Seas S 0-2.2 ft @ 9sec
TUESDAY - NW 6-7, Seas S 0-2.7 ft @ 9sec
WEDNESDAY - W 7-9, Seas SSE 0.9-2.7 ft @ 11sec
THURSDAY - WNW 7-9, Seas SSW 0.5-2.3 ft @ 13sec
FRIDAY - WSW 9-11, Seas SSW 0-4.4 ft @ 13sec