Mazatlan to Banderas Bay Forecast
August 2, 2026, 3:03 pm (UTC: -04:00)
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 GENEVIEVE NEAR 24.5N 138.4W 1006 MB AT 1500 UTC
AUG 02 MOVING WNW OR 295 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS
40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N
SEMICIRCLE...40 NM SE QUADRANT AND 0 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 120 NM N SEMICIRCLE...60 NM SE QUADRANT AND 90
NM SW QUADRANT WITH SEAS TO 5 M. ELSEWHERE WITHIN 28N136W TO
29N140W TO 24N140W TO 24N139W TO 24N137W TO 26N136W TO 28N136W
WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN
27N134W TO 30N135W TO 30N140W TO 20N140W TO 21N137W TO 27N134W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL GENEVIEVE NEAR 25.2N 140.1W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST POST-TROPICAL GENEVIEVE NEAR 26.0N 142.2W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. WITHIN
29N139W TO 30N140W TO 26N140W TO 27N139W TO 29N139W E TO SE WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE WELL W OF
AREA NEAR 26.7N 143.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40
KT. OVER FORECAST WATERS E OF 140W WINDS 20 KT OR LESS. SEAS LESS
THAN 2.5 M.
MODERATE TO FRESH WINDS ARE OVER THE NORTHERN GULF OF
CALIFORNIA. GENTLE TO MODERATE WINDS PREVAIL ELSEWHERE ACROSS
THE REGION. MODERATE SEAS DOMINATE THE OPEN WATERS OFF MEXICO,
WITH SLIGHT SEAS IN THE GULF OF CALIFORNIA.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE
WEST OF THE AREA AND LOWERING PRESSURE OVER THE COLORADO RIVER
VALLEY WILL SUPPORT FRESH SW WINDS AND BUILDING SEAS OVER THE
NORTHERN GULF OF CALIFORNIA THROUGH THE EARLY PART OF NEXT WEEK.
ELSEWHERE, A MODERATE PRESSURE GRADIENT WILL SUPPORT MOSTLY
GENTLE TO MODERATE NW WINDS ACROSS THE OFFSHORE WATERS OF MEXICO.
LONG- PERIOD NW SWELL WILL MOVE INTO THE WATERS OFF BAJA
CALIFORNIA NORTE TONIGHT THEN START TO SUBSIDE TUE.
FOR THE FORECAST, THE CENTER OF TROPICAL STORM GENEVIEVE WILL BECOME
POST-TROPICAL AND MOVE TO 25.2N 140.1W THIS EVENING, THEN
CONTINUE W-NW AND WEAKEN FURTHER TO A REMNANT LOW THROUGH MON.
AWAY FROM GENEVIEVE, LITTLE CHANGE IN MARINE CONDITIONS IS
FORECAST THROUGH THE WEEKEND. ROUGH NORTHERLY SWELL OFF
CALIFORNIA IS LIKELY TO PUSH SOUTHWARD INTO THE WATERS OFF BAJA
CALIFORNIA NORTE NORTH OF 27N AND EAST OF 130W INTO EARLY NEXT
WEEK. NEW LARGE SOUTHERLY SWELL MAY BUILD SOUTH OF THE EQUATOR
AND WEST OF 100W BEGINNING TUE NIGHT.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - Not available yet
TONITE - Not available yet
MONDAY - Not available yet
MONDAY NIGHT - Not available yet
LONG-TERM MAZATLAN TO BAHIA BANDERAS
TUESDAY - Not available yet
WEDNESDAY - Not available yet
THURSDAY - Not available yet
FRIDAY - Not available yet
SATURDAY - Not available yet