Mazatlan to Banderas Bay Forecast
July 30, 2026, 3:16 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.
...HURRICANE WARNING...
.HURRICANE GENEVIEVE NEAR 20.6N 123.5W 980 MB AT 1500 UTC JUL 30
MOVING WNW OR 290 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 70 KT
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E
SEMICIRCLE...80 NM SW QUADRANT AND 110 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 210 NM NE AND SW QUADRANTS...240 NM NW QUADRANT
AND 180 NM SE QUADRANT WITH SEAS TO 10 M. ELSEWHERE WITHIN
24N120W TO 24N126W TO 20N127W TO 18N126W TO 17N121W TO 18N119W
TO 24N120W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF
AREA WITHIN 24N116W TO 30N121W TO 27N140W TO 14N140W TO 17N135W
TO 13N125W TO 24N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 21.0N 125.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 21.7N 128.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150
M E SEMICIRCLE...AND 180 NM W SEMICIRCLE WITH SEAS TO 8 M.
ELSEWHERE WITHIN 23N124W TO 26N126W TO 26N131W TO 23N132W TO
19N130W TO 18N127W TO 23N124W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 30N124W TO 25N131W TO 30N132W TO
27N140W TO 15N140W TO 17N124W TO 30N124W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 23.3N 133.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM OF CENTER...EXCEPT 75
NM SE QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 27N132W TO
28N135W TO 26N139W TO 22N136W TO 21N131W TO 23N130W TO 27N132W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
28N131W TO 30N135W TO 29N140W TO 21N140W TO 18N134W TO 24N129W TO
28N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
SWELLS FROM HURRICANE GENEVIEVE ARE STILL BRINGING SOME ROUGH
SEAS TO ABOUT 10 FT TO THE OUTER OFFSHORE WATERS OF BAJA
CALIFORNIA SUR. SCATTERED CONVECTION, LIKELY INDUCING LOCALLY
GUSTY WINDS, HAS MOVED OFF THE SINALOAN COAST INTO THE SOUTHERN
GULF OF CALIFORNIA AND ADJACENT WATERS TO THE SOUTH, ALSO LIKELY
ENHANCED BY THE NORTHERN PORTION OF THE TROPICAL WAVE ALONG 110W.
MODERATE TO LOCALLY FRESH N GAP WINDS ARE IN THE GULF OF
TEHUANTEPEC EARLY THIS MORNING. ELSEWHERE, MODERATE OR WEAKER
WINDS PREVAIL. SEAS ARE SLIGHT IN THE GULF OF CALIFORNIA AND
MODERATE IN THE REMAINING OFFSHORE WATERS.
FOR THE FORECAST, ROUGH SEAS IN THE OUTER OFFSHORE WATERS W OF
BAJA CALIFORNIA WILL SUBSIDE LATER TODAY. INCREASING NW SWELL
MAY LEAD TO ROUGH SEAS AGAIN OFFSHORE BAJA CALIFORNIA NORTE SUN
NIGHT AND MON. FRESH TO LOCALLY STRONG GAP WINDS ARE LIKELY IN
THE GULF OF TEHUANTEPEC TONIGHT, THEN MODERATE TO FRESH FRI
NIGHT. MODERATE TO FRESH NW WINDS ARE EXPECTED TO PULSE TONIGHT
AND FRI NIGHT NEARSHORE BAJA CALIFORNIA AS HIGH PRESSURE BUILDS
SOUTHWARD WEST OF THE PENINSULA. ELSEWHERE, FRESH SE TO S WINDS
MAY PULSE NIGHTLY IN THE NORTHERN GULF OF CALIFORNIA BEGINNING
TONIGHT, POSSIBLY TO STRONG SAT NIGHT.
SWELLS GENERATED BY GENEVIEVE ARE AFFECTING PORTIONS OF THE BAJA
CALIFORNIA PENINSULA AND SOUTHERN CALIFORNIA. THESE SWELLS WILL
PERSIST FOR THE NEXT SEVERAL DAYS, AND 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.
PLEASE REFER TO THE SPECIAL FEATURES SECTION ABOVE FOR DETAILS ON
HURRICANE GENEVIEVE WHICH CONTINUES TO MOVE AWAY FROM THE OUTER
OFFSHORE WATERS OF BAJA CALIFORNIA. PLEASE REFER TO THE TROPICAL
WAVES SECTION ABOVE FOR INFORMATION ABOUT ADDITIONAL CONVECTION
IN THE REGION.
FOR THE FORECAST, HURRICANE GENEVIEVE WILL WEAKEN TO A TROPICAL
STORM NEAR 21.0N 125.5W THIS EVENING, MOVE TO 21.7N 128.1W FRI
MORNING, 22.5N 130.7W FRI EVENING, 23.3N 133.6W SAT MORNING,
24.2N 136.6W SAT EVENING, AND BECOME POST-TROPICAL AND MOVE TO
25.1N 139.4W SUN MORNING. GENEVIEVE WILL WEAKEN TO A REMNANT LOW
WEST OF THE DISCUSSION WATERS NEAR 27.2N 143.9W EARLY MON. AWAY
FROM GENEVIEVE, LITTLE CHANGE IN MARINE CONDITIONS IS FORECAST
THROUGH THE WEEKEND. FRESH AND 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. LOOKING AHEAD, 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
FRIDAY - Not available yet
FRIDAY NIGHT - Not available yet
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SATURDAY - Not available yet
SUNDAY - Not available yet
MONDAY - Not available yet
TUESDAY - Not available yet
WEDNESDAY - Not available yet