Sea of Cortez Southern Crossing Forecast
August 1, 2026, 9:05 am (UTC: -04:00)
Subject: Sea of Cortez Southern Crossing 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 22.6N 132.5W 1000 MB AT 0900 UTC
AUG 01 MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS
45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM N
SEMICIRCLE...40 NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 150 NM N SEMICIRCLE...75 NM SE QUADRANT AND 90
NM SW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 25N130W TO
27N132W TO 26N135W TO 25N137W TO 23N135W TO 22N131W TO 25N130W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN
27N130W TO 30N137W TO 29N140W TO 21N140W TO 17N133W TO 23N128W TO
27N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 23.9N 137.2W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 4 M
OR GREATER WITHIN 120 NM N SEMICIRCLE...45 NM SE QUADRANT AND 90
NM SW QUADRANT WITH SEAS TO 5.0 M. ELSEWHERE WITHIN 28N136W TO
28N140W TO 24N140W TO 24N137W TO 25N135W TO 28N136W WINDS 20 TO
33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 26N133W TO
30N135W TO 29N137W TO 30N140W TO 19N140W TO 20N136W TO 26N133W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST POST-TROPICAL GENEVIEVE NEAR 26.0N 142.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM S SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM N SEMICIRCLE...0 NM
SE QUADRANT AND 30 NM SW QUADRANT WITH SEAS TO 4.5 M. OVER
FORECAST WATERS WITHIN 28.5N140W TO 28N140W TO 28.5N140W WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M. REMAINDER FORECAST WATERS WITHIN
30N139W TO 30N140W TO 25N140W TO 27N138W TO 30N139W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 31N113W TO 32N114W TO 29N114W TO
28N113W TO 29N112W TO 30N112W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA... SE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
MODERATE TO LOCALLY FRESH WINDS ARE OVER THE GULF OF
TEHUANTEPEC. ELSEWHERE, GENTLE TO MODERATE WINDS PREVAIL.
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 TO STRONG SW WINDS AND BUILDING SEAS
OVER THE NORTHERN GULF OF CALIFORNIA SAT NIGHT INTO SUN MORNING.
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 SUN NIGHT THROUGH THEN START TO SUBSIDE TUE.
FOR THE FORECAST, THE CENTER OF TROPICAL STORM GENEVIEVE WILL
MOVE TO 23.1N 134.5W THIS AFTERNOON, 23.9N 137.2W SUN MORNING,
25.0N 139.9W SUN AFTERNOON, THEN BECOME POST-TROPICAL WEST OF THE
AREA NEAR 26.0N 142.3W MON MORNING. 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 SOUTHERN CROSSING (along 23N)
TODAY - WSW 9-11, Seas SSW 1.4-3.7 ft @ 12sec
TONITE - SSW 6-8, Seas SSW 1.6-3.7 ft @ 12sec
SUNDAY - SSW 6-8, Seas SSW 1.6-3.7 ft @ 12sec
SUNDAY NIGHT - S 3-4, Seas SSW --? ft @ 13sec
LONG-TERM SOUTHERN CROSSING
MONDAY - Not available yet
TUESDAY - SW 7-9, Seas SSW 1.2-2.9 ft @ 12sec
WEDNESDAY - S 5-6, Seas SW 1.1-2.9 ft @ 14sec
THURSDAY - SW 6-8, Seas N/A ?-? ft @ ?
FRIDAY - SW 5-6, Seas N/A ?-? ft @ ?