Mazatlan to Banderas Bay Forecast
September 7, 2026, 8:00 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.
...TROPICAL STORM WARNING...
.TROPICAL STORM MARIE NEAR 24.8N 125.3W 992 MB AT 2100 UTC SEP
07 MOVING WNW OR 290 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM S SEMICIRCLE...
110 NM NE QUADRANT AND 140 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 240 NM NE AND SW QUADRANTS...360 NM NW QUADRANT AND 300 NM
SE QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 26N124W TO
27N125W TO 27N131W TO 25N127W TO 24N125W TO 25N123W TO 26N124W
WINDS 20 TO 33 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF AREA WITHIN
28N119W TO 30N121W TO 30N137W TO 26N135W TO 24N131W TO 22N125W
TO 23N122W TO 28N119 WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM MARIE NEAR 26.3N 127.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NE QUADRANT...30 NM SE QUADRANT...0 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120
NM OF CENTER...EXCEPT 180 NM SW QUADRANT WITH SEAS TO 5 M.
ELSEWHERE WITHIN 29N124W TO 30N132W TO 26N133W TO 24N131W TO
25N124W TO 29N124W NE WINDS 20 TO 33 KT. SEAS 3 TO 4.5 M.
REMAINDER OF AREA WITHIN 30N126W TO 30N138W TO 26N138.5W TO
22N135W TO 20N120W TO 22N123W TO 30N126W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST POST- TROPICAL REMNANT LOW MARIE NEAR 30.0N
129.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 30N126W
TO 30N131W TO 29N130W TO 29N128W TO 29N127W TO 29N126W TO
30N126W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN
30N125W TO 29N130W TO 30N136W TO 28N135W TO 27N132W TO 27N128W TO
30N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
ISOLATED SHOWERS AND THUNDERSTORMS ARE OVER SOME SECTIONS OF
THE GULF OF CALIFORNIA.
FOR THE FORECAST, TROPICAL STORM MARIE WILL GRADUALLY WEAKEN AS
IT MOVES TO NEAR 25.2N 126.2W LATE TONIGHT WITH MAXIMUM
SUSTAINED WINDS 40 KT GUSTS TO 50 KT, TO NEAR 26.3N 127.4W TUE
AFTERNOON, BECOME POST-TROPICAL AND MOVE TO NEAR 28.0N 128.4W
LATE TUE NIGHT, WEAKEN TO A REMNANT LOW NEAR 30.0N 129.6W WED
AFTERNOON, THEN MOVE TO NEAR 32.2N 131.1W THU MORNING AND
DISSIPATE NORTH OF 30N FRI AFTERNOON. ELSEWHERE, MODERATE TO
FRESH WINDS ARE EXPECTED TO BRIEFLY DEVELOP OVER THE NEARSHORE
WATERS OF BAJA CALIFORNIA AND OVER SOME SECTIONS OF THE GULF OF
CALIFORNIA TONIGHT INTO TUE AS MARIE MOVES FARTHER AWAY FROM THE
FORECAST WATERS. THE NEXT GAP WIND EVENT IN THE GULF OF
TEHUANTEPEC IS EXPECTED TO BEGIN LATE TUE NIGHT INTO EARLY WED.
TROPICAL STORM MARIE IS CENTERED NEAR 24.8N 125.3W, OR ABOUT 580
NM WEST-SOUTHWEST OF PUNTA EUGENIA, MEXICO AT 07/2100 UTC, MOVING
WEST-NORTHWEST AT 07 KT. ESTIMATED MINIMUM CENTRAL PRESSURE HAS
RISEN TO 992 MB. MAXIMUM SUSTAINED WIND SPEED IS 50 KT WITH GUSTS
TO 60 KT. PEAK SEAS HAVE LOWERED TO NEAR 21 FT. LATEST SATELLITE
IMAGERY SHOWS THAT MARIE IS A SHEARED SYSTEM, WITH ITS CENTER
HAVING BECOME EXPOSED TO THE NORTHWEST OF NUMEROUS MODERATE
CONVECTION THAT REACH WITHIN 120 NM OF THE CENTER IN THE SE AND
S QUADRANTS. MARIE IS FORECAST TO TURN TO THE NORTHWEST OVER THE
NEXT COUPLE OF DAYS, AND IS FORECAST TO BECOME A POST-TROPICAL
REMNANT LOW ON WED. SWELLS GENERATED BY MARIE WILL CONTINUE TO
AFFECT PORTIONS OF THE COAST OF THE BAJA CALIFORNIA PENINSULA AND
SOUTHERN CALIFORNIA 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.
A RIDGE AXIS NOSES SOUTHEASTWARD BEHIND MARIE FROM 30N120W TO
NEAR 26N117W. THE RELATED PRESSURE GRADIENT IS GENERALLY ALLOWING
FOR LIGHT TO GENTLE WINDS OVER THE BAJA CALIFORNIA OFFSHORE
WATERS. SOUTHWEST TO WEST SWELL FROM MARIE ARE PRODUCING SEAS OF
7 TO 10 FT OVER THE OUTER OFFSHORE WATERS FROM 30N TO PUNTA
EUGENIA TO THE NORTHWEST CORNER OF THE OFFSHORE WATERS FROM PUNTA
EUGENIA TO CABO SAN LAZARO. MODERATE OR WEAKER WINDS AND MOSTLY
MODERATE SEAS ARE OVER THE REST OF THE BAJA CALIFORNIA OFFSHORE
WATERS. MODERATE OR LIGHTER WINDS ALONG WITH MODERATE SEAS ARE
OVER THE REMAINDER OF THE MEXICAN OFFSHORE WATERS.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - WSW 9-11, Seas SSW 0-4.1 ft @ 14sec
TONITE - SSW 6-8, Seas SSW 0-3.9 ft @ 14sec
TUESDAY - SSW 6-8, Seas SSW 0-3.9 ft @ 14sec
TUESDAY NIGHT - NE 6-8, Seas SSW 0-3.6 ft @ 17sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
WEDNESDAY - N 9-11, Seas SW 0-3.6 ft @ 18sec
THURSDAY - NE 10-12, Seas SW 0-3.7 ft @ 18sec
FRIDAY - WNW 6-8, Seas SSW 0-3.1 ft @ 15sec
SATURDAY - NW 7-9, Seas SW 1-2.7 ft @ 14sec
SUNDAY - WSW 6-7, Seas SSW 0-2.2 ft @ 13sec