Mazatlan to Banderas Bay Forecast
October 16, 2026, 2:00 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 TRUDY NEAR 14.3N 102.1W 971 MB AT 0300 UTC OCT 16
MOVING NNW OR 345 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE
QUADRANT...50 NM SE QUADRANT...40 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER EXCEPT 90
NM SE QUADRANT WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 16N99W TO
17N102W TO 15N104W TO 12N104W TO 12N100W TO 14N99W TO 16N99W
WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
16N99W TO 18N104W TO 15N107W TO 13N107W TO 10N105W TO 09N100W TO
16N99W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE TRUDY NEAR 15.9N 102.8W. MAXIMUM
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150
NM OF CENTER EXCEPT 120 NM SE QUADRANT WITH SEAS TO 10.0 M.
ELSEWHERE WITHIN 16N100W TO 18N104W TO 16N105W TO 14N105W TO
13N102W TO 14N100W TO 16N100W WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0
M. REMAINDER OF AREA WITHIN 16N98W TO 20N106W TO 18N109W TO
14N110W TO 08N102W TO 10N99W TO 16N98W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE TRUDY NEAR 18.4N 104.8W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 70 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER EXCEPT
150 NM SE QUADRANT WITH SEAS TO 12.0 M. ELSEWHERE WITHIN 17N99W
TO 21N105W TO 22N113W TO 17N115W TO 11N112W TO 09N102W TO 17N99W
WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
18N102W TO 20N105W TO 18N107W TO 16N107W TO 15N105W TO 16N102W TO
18N102W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
...TROPICAL STORM WARNING...
.TROPICAL STORM SIMON NEAR 19.5N 108.5W 1002 MB AT 0300 UTC OCT
16 MOVING NW OR 320 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM E SEMICIRCLE...30
NM SW QUADRANT AND 40 NM NW QUADRANT. ELSEWHERE WITHIN 19.5N107.5W
TO 20N108W TO 19.5N108.5W TO 19N108.5W TO 19N108W TO 19.5N107.5W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. REMAINDER OF AREA WITHIN
19N108W TO 20N108W TO 19N109W TO 18N109W TO 18N108W TO 19N108W
WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION SIMON NEAR 21.2N 110.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. ELSEWHERE WITHIN
22N110W TO 23N111W TO 22N112W TO 21N112W TO 21N110W TO 21N109W TO
22N110W E TO SE WINDS 20 TO 30 KT. SEAS 2.5 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW SIMON NEAR 22.1N
112.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW SIMON NEAR 23.2N
114.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS 2.5 M IN
MIXED SWELL.
...GALE WARNING...
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO
15N94W TO 15N93W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N95W TO 14N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 45
KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 16N94W TO 16N95W TO
14N96W TO 12N96W TO 13N94W TO 16N94W N WINDS 20 TO 30 KT. SEAS
2.5 TO 3.0 M. REMAINDER OF AREA WITHIN 15N93W TO 16N95W TO 14N98W
TO 08N99W TO 08N97W TO 12N93W TO 15N93W WINDS 20 KT OR LESS.
SEAS 2.5 M IN N TO NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE
.WITHIN 30N113W TO 31N113W TO 32N115W TO 30N114W TO 27N112W TO
28N112W TO 30N113W...INCLUDING THE GULF OF CALIFORNIA...NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
OUTSIDE OF THE AREAS DESCRIBED IN THE SPECIAL FEATURES SECTION, A
MODERATE PRESSURE GRADIENT BETWEEN A STRONG RIDGE NORTHWEST OF
THE AREA AND LOWER PRESSURES OVER NW MEXICO SUPPORT FRESH TO
STRONG NW WINDS AND MODERATE SEAS IN THE NORTHERN AND CENTRAL
GULF OF CALIFORNIA. MODERATE TO LOCALLY FRESH N-NW WINDS AND
MODERATE SEAS ARE ALSO OCCURRING IN THE OFFSHORE WATERS OF BAJA
CALIFORNIA NORTE. ELSEWHERE, MAINLY GENTLE WINDS AND MODERATE
SEAS PREVAIL.
TROPICAL STORM SIMON IS CENTERED NEAR 19.5N 108.5W AT 16/0300
UTC, MOVING NORTHWEST AT 2 KT. ESTIMATED MINIMUM CENTRAL PRESSURE
IS 1002 MB. MAXIMUM SUSTAINED WIND SPEED IS 40 KT WITH GUSTS TO
50 KT. PEAK SEAS ARE AROUND 10 FT. SCATTERED MODERATE CONVECTION
IS NOTED FROM 19N TO 22N AND BETWEEN 107W AND 110W. A FASTER
NORTHWESTWARD MOTION IS FORECAST TO BEGIN BY FRIDAY AND CONTINUE
THROUGH THE WEEKEND. CONTINUED WEAKENING IS EXPECTED, AND SIMON
IS FORECAST TO BECOME A POST-TROPICAL REMNANT LOW IN A DAY OR SO.
SWELLS GENERATED BY SIMON COULD AFFECT PORTIONS OF THE COAST OF
WEST-CENTRAL MEXICO AND BAJA CALIFORNIA SUR DURING THE NEXT DAY
OR SO. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND
RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL
WEATHER OFFICE.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - S 10-12, Seas SSW 0-5.4 ft @ 19sec
TONITE - NNW 5-6, Seas SSW 0-5.2 ft @ 18sec
SATURDAY - NE 11-14, Seas SSW 0-5.2 ft @ 16sec
SATURDAY NIGHT - NNE 11-14, Seas SSW 1.5-5.2 ft @ 16sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SUNDAY - NE 14-17, Seas SSW 0-5.2 ft @ 16sec
MONDAY - SSE 6-7, Seas SSW 0-5 ft @ 16sec
TUESDAY - NW 6-8, Seas SSW 0-4.2 ft @ 15sec
WEDNESDAY - NW 8-10, Seas SSW 1.5-3.5 ft @ 18sec
THURSDAY - NNW 10-12, Seas SSW 1.5-3.5 ft @ 16sec