Mazatlan to Banderas Bay Forecast
July 31, 2026, 9:01 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 22.3N 130.2W 996 MB AT 2100 UTC
JUL 31 MOVING WNW OR 285 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS
50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE...90 NM SE QUADRANT AND 80 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 180 NM NE QUADRANT...90 NM SE QUADRANT...120
NM SW QUADRANT...AND 165 NM NW QUADRANT WITH SEAS TO 8.0 M. ELSEWHERE
WITHIN 24N126W TO 26N129W TO 25N132W TO 22N132W TO 20N129W TO
22N126W TO 24N126W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER
OF AREA WITHIN 24N124W TO 28N124W TO 28N140W TO 13N140W TO 16N128W
TO 24N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 23.6N 135.2W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 4 M
OR GREATER 150 NM N AND 75 NM S SEMICIRCLES WITH SEAS TO 6 M.
ELSEWHERE WITHIN 26N133W TO 28N134W TO 27N140W TO 24N140W TO
22N136W TO 23N133W TO 26N133W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0
M. REMAINDER OF AREA WITHIN 25N130W TO 30N134W TO 30N140W TO
19N140W TO 17N138W TO 19N133W TO 25N130W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 25.4N 140.6W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 4 M
OR GREATER 150 NM NE AND 60 NM SW SEMICIRCLES WITH SEAS TO 5.5
M. ELSEWHERE WITHIN 28N137W TO 29N138W TO 30N140W TO 24N140W TO
25N139W TO 26N137W TO 28N137W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0
M. REMAINDER OF AREA WITHIN 27N135W TO 30N136W TO 30N140W TO
21N140W TO 22N139W TO 27N135W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MIXED SWELL.
.36 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 30N115W TO
29N113W TO 30N112W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA... SE TO S WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
A RECENT SCATTEROMETER SATELLITE PASS CONFIRMED FRESH TO STRONG
GAP WINDS PERSIST ACROSS THE GULF OF TEHUANTEPEC. THESE WINDS
ARE LIKELY DUE TO HIGHER PRESSURE OVER SOUTH-CENTRAL MEXICO AND
LOWER PRESSURE FARTHER SOUTH INTO THE TROPICS. SEAS ARE ESTIMATED
TO BE 5-7 FT IN THE GULF OF TEHUANTEPEC. THE SATELLITE DATA ALSO
SHOWED MODERATE NW WINDS OFF BAJA CALIFORNIA, ON THE WESTERN
EDGE OF RIDGING FARTHER WEST OFFSHORE. GENTLE TO MODERATE SE
WINDS ARE NOTED ACROSS THE GULF OF CALIFORNIA WITH 1-3 FT SEAS.
LIGHT TO GENTLE BREEZES AND 3-5 FT COMBINED SEAS IN W SWELL ARE
NOTED ELSEWHERE OFF SOUTHERN MEXICO.
FOR THE FORECAST, LOWERING PRESSURE OVER THE COLORADO RIVER
VALLEY WILL SUPPORT FRESH TO STRONG SW WINDS AND BUILDING SEAS
OVER THE NORTHERN GULF OF CALIFORNIA SAT NIGHT INTO SUN MORNING.
ELSEWHERE, HIGH PRESSURE WILL BUILD OFF BAJA CALIFORNIA THROUGH
EARLY NEXT WEEK, SUPPORTING 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 SUN NIGHT THROUGH
TUE THEN SUBSIDE.
SWELLS GENERATED BY GENEVIEVE ARE AFFECTING PORTIONS OF THE
BAJA CALIFORNIA PENINSULA AND SOUTHERN CALIFORNIA. THESE SWELLS WILL
PERSIST THROUGH THIS EVENING THEN SUBSIDE. THE SWELLS ARE LIKELY
TO CAUSE LIFE- THREATENING SURF AND RIP CURRENT CONDITIONS.PLEASE
CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.
A DEPICTION OF RIP CURRENT RISK FOR THE UNITED STATES CAN BE FOUND
AT: HURRICANES.GOV/GRAPHICS_EP2.SHTML?RIPCURRENTS
PLEASE READ THE LATEST HIGH SEAS FORECAST ISSUED
BY THE NATIONAL HURRICANE CENTER AT WEBSITE -
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND THE LATEST
GENEVIEVE NHC FORECAST/ADVISORY AND PUBLIC ADVISORY AT
WWW.HURRICANES.GOV FOR MORE DETAILS.
FOR THE FORECAST, THE CENTER OF TROPICAL STORM GENEVIEVE WILL MOVE
TO 22.8N 132.3W SAT MORNING, 23.6N 135.2W SAT AFTERNOON, 24.4N
138.0W SUN MORNING, 25.4N 140.6W SUN AFTERNOON, THEN WEAKEN TO A
REMNANT LOW WEST OF AREA BY LATE SUN. 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 BY THE END OF THE WEEKEND 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
SUNDAY - Not available yet
SUNDAY NIGHT - Not available yet
LONG-TERM MAZATLAN TO BAHIA BANDERAS
MONDAY - Not available yet
TUESDAY - Not available yet
WEDNESDAY - Not available yet
THURSDAY - Not available yet
FRIDAY - Not available yet