Mazatlan to Banderas Bay Forecast
October 25, 2026, 8:00 am (UTC: -05:00)
Subject: Mazatlan to Banderas Bay Forecast
Questions/Comments visit https://svsarana.com
This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...HURRICANE WARNING...
.HURRICANE VANCE NEAR 14.3N 103.4W 980 MB AT 0900 UTC OCT 25
MOVING NNW OR 340 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...110 NM SE QUADRANT...70 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN 210
NM OF CENTER EXCEPT 180 NM NW QUADRANT WITH SEAS TO 9.5 M.
ELSEWHERE WITHIN 17N100W TO 18N105W TO 17N107W TO 13N108W TO
11N102W TO 12N100W TO 17N100W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 21N106W TO 18N113W TO 11N113W TO
06N107W TO 06N101W TO 12N96W TO 21N106W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED
SWELL.
.24 HOUR FORECAST HURRICANE VANCE NEAR 15.4N 104.4W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER OVER
FORECAST WATERS WITHIN 210 NM N SEMICIRCLE...AND 180 NM S
SEMICIRCLE WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 17N100W TO
20N106W TO 17N108W TO 14N108W TO 12N105W TO 14N100W TO 17N100W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
17N100W TO 21N107W TO 18N113W TO 14N113W TO 09N105W TO 13N97W TO
17N100W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM VANCE NEAR 16.3N 105.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 40
NM SW QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN
150 NM OF CENTER WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 18N102W TO
20N105W TO 18N108W TO 15N108W TO 14N104W TO 15N102W TO 18N102W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
17N101W TO 20N107W TO 17N113W TO 13N110W TO 11N107W TO 12N102W TO
17N101W...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 15N95W TO 15N94W TO 16N94W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT.
SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N94W TO 16N94W TO 16N95W
TO 15N97W TO 13N97W TO 14N94W TO 15N94W N TO NE WINDS 20 TO 30
KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS TO 40 KT...AND
SEAS TO 4.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
ASIDE FROM THE GULF OF TEHUANTEPEC AND HURRICANE VANCE, WINDS
ARE MODERATE OR WEAKER AS SEEN ON RECENT ASCAT SCATTEROMETER
DATA. SEAS ARE MODERATE AWAY FROM VANCE AND THE GULF OF
TEHUANTEPEC REGION, EXCEPT SLIGHT IN THE GULF OF CALIFORNIA
AWAY FROM THE ENTRANCE.
FOR THE FORECAST, HURRICANE VANCE WILL MOVE TO 14.8N 103.8W THIS
AFTERNOON, 15.4N 104.4W MON MORNING, 15.8N 104.9W MON AFTERNOON,
WEAKEN TO A TROPICAL STORM NEAR 16.3N 105.5W TUE MORNING, 17.1N
105.8W TUE AFTERNOON, AND 17.9N 106.0W WED MORNING. VANCE WILL
CHANGE LITTLE IN INTENSITY AS IT MOVES TO 19.3N 106.5W EARLY THU.
ELSEWHERE, WINDS WILL PULSE TO GALE-FORCE THROUGH MON NIGHT
OVER THE GULF OF TEHUANTEPEC AS A TIGHT PRESSURE GRADIENT REMAINS
IN PLACE, THEN PULSING TO FRESH TO STRONG THROUGH AT LEAST THE
MIDDLE PORTION OF THE WEEK. MODERATE TO FRESH WINDS WILL PULSE
NEARSHORE BAJA CALIFORNIA NORTE DURING THE EARLY PART OF THE
WEEK. MODERATE OR WEAKER WINDS ALONG WITH MODERATE SEAS WILL
PREVAIL ELSEWHERE AWAY FROM VANCE AND THE GULF OF TEHUANTEPEC,
EXCEPT MAINLY SLIGHT SEAS IN THE GULF OF CALIFORNIA.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - NW 6-7, Seas SSE 0-2.3 ft @ 12sec
TONITE - NNW 4-5, Seas SSE 0-1.9 ft @ 12sec
MONDAY - NNW 6-7, Seas SSE 0-1.8 ft @ 12sec
MONDAY NIGHT - NE 5-6, Seas SSE 0-2 ft @ 12sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
TUESDAY - ENE 6-7, Seas SSE 0-2.2 ft @ 11sec
WEDNESDAY - NW 7-9, Seas SSE 0-2.9 ft @ 11sec
THURSDAY - NNW 10-12, Seas SSE 1.3-2.6 ft @ 11sec
FRIDAY - NNW 7-9, Seas SSE 0-2.1 ft @ 11sec
SATURDAY - NNW 7-9, Seas SSW 0-3.4 ft @ 15sec