Sea of Cortez Southern Crossing Forecast
October 2, 2025, 3:01 pm (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.
FRESH TO LOCALLY STRONG N-NE WINDS ARE NOTED OVER AND DOWNSTREAM
THE GULF OF TEHUANTEPEC. MODERATE NW-N WINDS ARE WEST OF THE
BAJA CALIFORNIA PENINSULA N OF CABO SAN LAZARO. MAINLY LIGHT TO
GENTLE WINDS ARE ACROSS THE REMAINDER OF THE WATERS, INCLUDING
THE GULF OF CALIFORNIA. SEAS ARE IN THE 4-6 FT RANGE OVER THE
OPEN WATERS OFF MEXICO IN MIXED S-SW AND W-NW SWELL. SEAS ARE 3
FT OR LESS IN THE GULF OF CALIFORNIA, REACHING 4 FT NEAR THE
ENTRANCE OF THE GULF.
FOR THE FORECAST, OTHER THAN TROPICAL STORM OCTAVE WHICH IS
FORECAST TO REMAIN BEYOND THE OFFSHORE WATERS, AND THE TROUGH OF
LOW PRESSURE OFFSHORE SW MEXICO WITH THE POTENTIAL FOR TROPICAL
CYCLONE FORMATION, MODERATE TO FRESH N-NE WINDS WILL PULSE IN
THE GULF OF TEHUANTEPEC THROUGH EARLY SAT, LOCALLY STRONG AT
TIMES. MODERATE TO LOCALLY FRESH WINDS WILL PERSIST OFFSHORE
BAJA CALIFORNIA N OF CABO SAN LAZARO THROUGH THE REMAINDER OF
THE WEEK AND INTO SAT, LOCALLY STRONG NEAR PUNTA EUGENIA AT
TIMES. NEW NW SWELL WILL ARRIVE OFFSHORE BAJA CAILFORNIA THIS
AFTERNOON, BUILDING SEAS TO ROUGH IN THE OUTER WATERS THROUGH
SAT NIGHT.
FOR THE FORECAST, OCTAVE WILL MOVE TO 12.8N 119.3W THIS EVENING,
13.3N 120.5W FRI MORNING, 13.8N 121.8W FRI EVENING, 14.4N 123.0W
SAT MORNING, 15.0N 123.8W SAT EVENING, AND STRENGTHEN TO A
HURRICANE NEAR 15.3N 124.0W SUN MORNING. OCTAVE WILL CHANGE
LITTLE IN INTENSITY AS IT MOVES TO NEAR 15.9N 122.9W EARLY MON.
THE REMNANT LOW OF NARDA WILL DRIFT W-SW AND GRADUALLY SPIN DOWN,
AND OPEN UP INTO A TROUGH LATER TODAY, WITH ASSOCIATED AND
RESIDUAL WINDS AND SEAS DECREASING THROUGH THEN. A FRONT AND
ASSOCIATED NORTHERLY SWELL WILL IMPACT THE NORTHERN WATERS,
SPREADING EASTWARD TO NEAR BAJA CALIFORNIA THROUGH THE END OF THE
WEEK. HIGH PRESSURE TO THE NW OF THE AREA WILL BUILD
SOUTHEASTWARD INTO THE NW WATERS BEHIND THIS FRONT, WITH
MODERATE TO LOCALLY FRESH N TO NE WINDS GRADUALLY EXPANDING THERE
BY THE END OF THE WEEK INTO THE WEEKEND. WINDS WILL INCREASE TO
FRESH TO LOCALLY STRONG S OF THE MONSOON TROUGH, MAINLY E OF 125W
BY THE END OF THE WEEK INTO THE WEEKEND, AS AN AREA OF LOW
PRESSURE POSSIBLY DEVELOPS INTO A TROPICAL CYCLONE OFFSHORE OF SW
MEXICO. THESE WINDS MAY BUILD SEAS TO ROUGH S OF THE MONSOON
TROUGH. MEANWHILE, A NEW SET OF LARGE SOUTHERLY SWELL WILL
PROPAGATE TOWARD THE EQUATOR DURING THE UPCOMING WEEKEND.
SHORT-TERM SOUTHERN CROSSING (along 23N)
TODAY - W 5-6, Seas S 0.7-4.2 feet @ 10sec
TONITE - W 5-6, Seas S 0.7-4.2 feet @ 10sec
FRIDAY - W 5-6, Seas S 0-4.3 feet @ 10sec
FRIDAY NIGHT - W 5-6, Seas S 0-4.3 feet @ 10sec
LONG-TERM SOUTHERN CROSSING
SATURDAY - WSW 6-7, Seas SSW 0-3.8 feet @ 9sec
SUNDAY - SSW 6-8, Seas SSW 0-4.2 feet @ 18sec
MONDAY - S 10-12, Seas N/A ?-? feet @ ?
TUESDAY - SE 16-20, Seas N/A ?-? feet @ ?
WEDNESDAY - SSE 13-16, Seas N/A ?-? feet @ ?