Mazatlan to Banderas Bay Forecast
August 13, 2026, 12:05 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.
...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHT-E NEAR 18.1N 131.7W 1006 MB AT 0300
UTC AUG 13 MOVING WNW OR 300 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. ELSEWHERE WITHIN 21N131W TO 20N134W TO 18N134W
TO 17N133W TO 17N131W TO 18N130W TO 21N131W WINDS 20 TO 33 KT.
SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST TROPICAL STORM EIGHT-E NEAR 18.2N 131.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM EIGHT-E NEAR 17.9N 132.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM OF CENTER EXCEPT 30 NM NW QUADRANT. SEAS TO 4
M OR GREATER 60 NM NW QUADRANT. ELSEWHERE WITHIN 19N131W TO
21N132W TO 20N135W TO 18N135W TO 17N132W TO 19N131W WINDS 20 TO
33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA WITHIN 21N130W TO
24N133W TO 28N140W TO 11N140W TO 15N132W TO 21N130W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL DEPRESSION EIGHT-E NEAR 17.0N 132.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW EIGHT-E NEAR 16.2N 133.2W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. ELSEWHERE WITHIN
21N130W TO 25N140W TO 17N140W TO 14N136W TO 17N129W TO 21N130W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M PRIMARILY IN N TO NE
SWELL.
...TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE ONE-C CENTERED W OF AREA NEAR 14.8N
143.5W 1002 MB AT 0300 UTC AUG 13 MOVING W OR 280 DEG AT 8 KT.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM OF CENTER EXCEPT 240 NM NE QUADRANT. SEAS TO 4
M OR GREATER WITHIN 180 NM E SEMICIRCLE...0 NM SW QUADRANT AND
120 NM NW QUADRANT. WITHIN 21N137W TO 26N140W TO 08N140W TO
11N137W TO 14N136W TO 21N137W E TO SE WINDS 20 TO 33 KT. SEAS 2.5
TO 4.0 M.
.06 HOUR FORECAST LITTLE CHANGES OVER FORECAST WATERS E OF 140W
EXCEPT WINDS BELOW TROPICAL STORM STRENGTH.
FRESH TO STRONG WINDS PREVAIL OVER THE GULF OF TEHUANTEPEC.
GENTLE TO MODERATE WINDS ARE FOUND ELSEWHERE. MODERATE SEAS ARE
OVER THE OPEN WATERS OFF MEXICO, WITH SLIGHT TO MODERATE SEAS
OVER THE GULF OF CALIFORNIA.
FOR THE FORECAST, FRESH TO STRONG GAP WINDS ARE EXPECTED ACROSS
THE GULF OF TEHUANTEPEC THROUGH EARLY NEXT WEEK. THE PRESSURE
GRADIENT BETWEEN HIGH PRESSURE WEST OF THE AREA AND LOWER
PRESSURES OVER NORTHERN MEXICO WILL SUPPORT MODERATE TO LOCALLY
FRESH SOUTHERLY WINDS ACROSS THE NORTHERN GULF OF CALIFORNIA
TONIGHT INTO THU, THEN AGAIN ON THU NIGHT. A MODERATE PRESSURE
GRADIENT WILL PROMOTE MOSTLY GENTLE TO MODERATE WINDS ACROSS THE
REMAINDER OFFSHORE WATERS OF MEXICO ALONG WITH MODERATE SEAS.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - WNW 7-9, Seas SW 0-3.3 ft @ 15sec
TONITE - NW 3-4, Seas SSW 0-3.5 ft @ 19sec
FRIDAY - WNW 6-8, Seas SSW 0-3.9 ft @ 17sec
FRIDAY NIGHT - N 6-8, Seas SSW 0-4 ft @ 16sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SATURDAY - WNW 7-9, Seas SSW 0-3.8 ft @ 16sec
SUNDAY - NW 7-9, Seas SSW 0-3.4 ft @ 14sec
MONDAY - WSW 8-10, Seas SSW 0-3.4 ft @ 14sec
TUESDAY - WNW 8-10, Seas N/A ?-? ft @ ?
WEDNESDAY - WNW 8-10, Seas N/A ?-? ft @ ?