Mazatlan to Banderas Bay Forecast
October 29, 2026, 2:00 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.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW VANCE NEAR 23.7N
107.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 23N106W
TO 24N107W TO 25N108W TO 23N108W TO 22N108W TO 23N107W TO 23N106W
...INCLUDING THE ENTRANCE TO THE GULF OF CALIFORNIA...WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M.
.36 HOUR FORECAST WITHIN 31N113W TO 32N114W TO 30N115W TO
30N114W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...S TO SW
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
PLEASE SEE THE SPECIAL FEATURES SECTION ABOVE FOR INFORMATION ON
TROPICAL DEPRESSION VANCE OFFSHORE CABO CORRIENTES AND NEARING
THE ENTRANCE TO THE GULF OF CALIFORNIA AND THE SOUTHERN TIP OF
BAJA CALIFORNIA SUR.
FRESH TO NEAR GALE FORCE NORTHERLY WINDS AND MODERATE SEAS
PREVAIL IN THE GULF OF TEHUANTEPEC. LIGHT TO GENTLE WINDS AND
SLIGHT TO MODERATE SEAS PREVAIL IN THE GULF OF CALIFORNIA, EXCEPT
HIGHER IN THE SOUTHERN GULF THROUGH THE ENTRANCE DUE TO SWELLS
FROM VANCE. ELSEWHERE, WINDS ARE MAINLY MODERATE OR WEAKER WITH
MODERATE SEAS OVER THE OPEN WATERS OFF MEXICO.
FOR THE FORECAST, TROPICAL DEPRESSION VANCE WILL MOVE TO 22.2N
107.6W THU MORNING, BECOME A REMNANT LOW AND MOVE TO 23.7N
107.7W THU EVENING, 25.2N 108.1W FRI MORNING, AND DISSIPATE FRI
EVENING. WINDS IN THE GULF OF TEHUANTEPEC WILL PULSE FRESH TO
NEAR GALE FORCE THROUGH EARLY FRI, THEN MODERATE TO FRESH THROUGH
SAT NIGHT, THEN FRESH TO STRONG THEREAFTER. A DEVELOPING LOW
PRESSURE AND FRONTAL SYSTEM MAY IMPACT THE BAJA CALIFORNIA
PENINSULA WATERS LATE IN THE UPCOMING WEEKEND WITH THE POTENTIAL
FOR INCREASING WINDS AND BUILDING SEAS. LOOKING AHEAD FRESH NW
WINDS LOOK DEVELOP ACROSS THE GULF OF CALIFORNIA EARLY NEXT WEEK
IN THE WAKE OF THE SYSTEM. MODERATE OR WEAKER WINDS AND MODERATE
SEAS WILL PREVAIL OTHERWISE.
TROPICAL DEPRESSION VANCE IS CENTERED NEAR 21.1N 108.1W AT
29/0300 UTC, MOVING NORTH-NORTHEAST AT 11 KT. ESTIMATED MINIMUM
CENTRAL PRESSURE IS 1002 MB. MAXIMUM SUSTAINED WIND SPEED IS 30
KT WITH GUSTS TO 40 KT. PEAK SEAS ARE CURRENTLY AROUND 12-13 FT
OR 4.0 M. VANCE REMAINS A SHEARED TROPICAL CYCLONE WITH
CONVECTION LIMITED TO THE NE TO E SIDE OF THE SYSTEM. NUMEROUS
MODERATE TO STRONG CONVECTION IS NOTED WITHIN 360 NM IN THE NE
QUADRANT. THE DEPRESSION IS MOVING TOWARD THE NORTH-NORTHEAST. A
TURN TO THE NORTH, FOLLOWED BY A DECREASE IN FORWARD SPEED, IS
EXPECTED OVER THE NEXT 24 HOURS. SLIGHT WEAKENING IS FORECAST TO
OCCUR DURING THE NEXT DAY OR SO, AND VANCE IS EXPECTED TO BECOME
POST-TROPICAL WITHIN THE NEXT 24 HOURS, DISSIPATING SHORTLY
THEREAFTER. PERIODS OF HEAVY RAINFALL ASSOCIATED WITH VANCE
WILL IMPACT PORTIONS OF WESTERN MEXICO DURING MUCH OF THIS WEEK.
THIS RAINFALL MAY PRODUCE FLOODING AND MUDSLIDES ACROSS CENTRAL
AND SOUTHERN SINALOA, FAR SOUTHWESTERN DURANGO, AND FAR
NORTHWESTERN NAYARIT, ESPECIALLY IN AREAS ALONG STEEP TERRAIN.
SWELLS GENERATED BY VANCE WILL AFFECT COASTAL PORTIONS OF
SOUTHWESTERN AND WEST- CENTRAL MEXICO, AS WELL AS THE SOUTHERN
PORTION OF THE BAJA CALIFORNIA PENINSULA DURING THE NEXT COUPLE
OF DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF
AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR
LOCAL WEATHER OFFICE. PLEASE READ THE LATEST HIGH SEAS FORECAST
ISSUED BY THE NATIONAL HURRICANE CENTER AT WEBSITE -
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND THE LATEST
VANCE NHC FORECAST/ADVISORY AND PUBLIC ADVISORY AT
WWW.HURRICANES.GOV FOR MORE DETAILS.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - WSW 26-32, Seas SSW 4.9-4.9 ft @ 8sec
TONITE - SSW 7-9, Seas SSW 0-2.9 ft @ 6sec
FRIDAY - SSW 7-9, Seas SSW 0-2.9 ft @ 6sec
FRIDAY NIGHT - N 3-4, Seas SSW 0-0.8 ft @ 5sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SATURDAY - NNW 6-8, Seas SW 0.7-0.9 ft @ 4sec
SUNDAY - NW 9-11, Seas NW 0.9-1 ft @ 2sec
MONDAY - NNW 10-12, Seas SSW 1-1.1 ft @ 7sec
TUESDAY - NNW 9-11, Seas SSW 1-1.1 ft @ 7sec
WEDNESDAY - NNW 9-11, Seas SSW 2.1-3.4 ft @ 14sec