Mazatlan to Banderas Bay Forecast
October 23, 2026, 8:00 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.
...HURRICANE WARNING...
.HURRICANE VANCE NEAR 10.9N 102.1W 982 MB AT 0900 UTC OCT 23
MOVING NNW OR 330 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...180 NM SE QUADRANT...50 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM N SEMICIRCLE
...135 NM SE QUADRANT AND 120 NM SW QUADRANT WITH SEAS TO 8.0 M.
ELSEWHERE WITHIN 14N98W TO 14N103W TO 12N105W TO 09N106W TO
07N104W TO 08N99W TO 14N98W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
REMAINDER OF AREA WITHIN 14N97W TO 15N102W TO 13N106W TO 08N107W
TO 05N103W TO 06N100W TO 14N97W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE VANCE NEAR 12.4N 103.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...190 NM SE QUADRANT...70 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
210 NM OF CENTER WITH SEAS TO 10.0 M. ELSEWHERE WITHIN 13N99W TO
16N100W TO 17N104W TO 13N108W TO 08N104W TO 09N100W TO 13N99W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
13N96W TO 18N103W TO 16N109W TO 13N111W TO 05N106W TO 05N102W TO
13N96W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE VANCE NEAR 14.5N 103.8W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT...170 NM SE QUADRANT...70 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER OVER
FORECAST WATERS WITHIN 240 NM OF CENTER...EXCEPT 270 NM NW
QUADRANT WITH SEAS TO 12.0 M. ELSEWHERE WITHIN 17N99W TO 18N105W
TO 14N108W TO 11N106W TO 10N102W TO 13N99W TO 17N99W WINDS 20 TO
33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 14N97W TO
21N107W TO 20N111W TO 13N114W TO 06N107W TO 08N100W TO 14N97W
...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS. SEAS 2.5
TO 3.5 M IN MIXED SWELL.
...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 35 KT. SEAS 2.5 TO 4.0 M.
.12 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.18 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS TO GALE FORCE.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
ASIDE FROM THE GULF OF TEHUANTEPEC AND VANCE, MODERATE TO FRESH
NORTHERLY WINDS ARE IN THE NORTHERN GULF OF CALIFORNIA DUE TO A
PASSING COLD FRONT OVER FAR NW MAINLAND MEXICO. MODERATE TO
LOCALLY FRESH NW-N WINDS ARE OFFSHORE BAJA CALIFORNIA FROM NEAR
PUNTA EUGENIA SOUTHWARD AND TO THE W OF 110W. WINDS ARE MODERATE
OR WEAKER ACROSS THE REMAINDER OF THE WATERS. SEAS ARE SLIGHT IN
THE GULF OF CALIFORNIA, EXCEPT TO MODERATE IN THE NORTHERN GULF.
SEAS ARE MODERATE ELSEWHERE AWAY FROM THE GULF OF TEHUANTEPEC
AND SEAS ASSOCIATED WITH VANCE.
FOR THE FORECAST, VANCE WILL MOVE TO 11.5N 102.5W THIS AFTERNOON,
12.4N 103.0W SAT MORNING, 13.4N 103.4W SAT AFTERNOON, 14.5N
103.8W SUN MORNING, 15.6N 104.0W SUN AFTERNOON, AND 16.4N 104.4W
MON MORNING. VANCE WILL CHANGE LITTLE IN INTENSITY AS IT MOVES TO
17.0N 104.6W EARLY TUE. MEANWHILE, WINDS WILL PULSE TO GALE
FORCE THROUGH EARLY MORNING AND AGAIN TONIGHT ACROSS THE
TEHUANTEPEC REGION AS VANCE FURTHER INTENSIFIES WITH A TIGHT
PRESSURE GRADIENT OVER THE REGION. FRESH WINDS IN THE NORTHERN
GULF OF CALIFORNIA WILL DIMINISH LATER TODAY. MODERATE TO FRESH
NW-N WINDS OFFSHORE BAJA CALIFORNIA SUR WILL PULSE AND EXPAND TO
ACROSS THE BAJA CALIFORNIA WATERS THROUGH TONIGHT BEFORE
DIMINISHING, LOCALLY STRONG FROM CABO SAN LAZARO TO PUNTA EUGENIA
TODAY. ROUGH SEAS IN NORTHERLY SWELLS OFFSHORE BAJA CALIFORNIA
NORTE WILL SPREAD ACROSS THOSE WATERS TONIGHT THROUGH SAT.
MODERATE SEAS WILL PREVAIL ELSEWHERE AWAY FROM VANCE AND THE GULF
OF TEHUANTEPEC, EXCEPT SLIGHT IN THE GULF OF CALIFORNIA.
ELSEWHERE, A STATIONARY FRONT THAT HAD EXTENDED FROM BAJA
CALIFORNIA JUST S OF PUNTA EUGENIA TO THE OPEN CENTRAL WATERS HAS
DISSIPATED. EVEN SO, REMNANT MODERATE TO LOCALLY FRESH NE-E
WINDS 7-9 FT SEAS IN NORTHERLY SWELLS ARE FROM 10N TO 25N TO THE
W OF 119W. WINDS ARE MODERATE OR WEAKER ELSEWHERE WITH MODERATE
SEAS AWAY FROM VANCE.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
DATA NOTE - Wind forecast supplied by Open-Meteo GFS fallback.
TODAY - W 6-7, Seas SSW 0-3.1 ft @ 15sec
TONITE - NE 5-6, Seas SSW 0-2.9 ft @ 14sec
SATURDAY - NE 5-6, Seas SSW 0-2.9 ft @ 14sec
SATURDAY NIGHT - WNW 3-4, Seas SSW 0-3 ft @ 13sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SUNDAY - NW 6-8, Seas SSW 0.9-2.8 ft @ 13sec
MONDAY - NNW 7-9, Seas SSW 1.1-2.6 ft @ 12sec
TUESDAY - NNW 7-9, Seas SSW 1.4-2.9 ft @ 18sec
WEDNESDAY - NW 7-9, Seas SSW 1.2-3.5 ft @ 15sec
THURSDAY - NW 11-14, Seas SSW 2.4-3.9 ft @ 16sec