Sea of Cortez Southern Crossing Forecast

October 31, 2026, 8:00 pm (UTC: -05:00)
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
.NONE.

.24 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 30N115W TO
28N113W TO 29N112W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA... SW WINDS 25 TO 30 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

FRESH TO STRONG N TO NE GAP WINDS ARE OCCURRING OVER THE GULF OF
TEHUANTEPEC WITH SEAS OF 5-8 FT. THE PRESSURE GRADIENT BETWEEN
HIGHER PRESSURES OVER MEXICO AND A TROUGH ALONG THE GULF OF
CALIFORNIA IS SUPPORTING MODERATE TO LOCALLY FRESH S TO SE WINDS
OVER SOUTHERN PORTIONS OF THE GULF. ELSEWHERE, WINDS ARE
MODERATE OR WEAKER WITH 4-6 FT OVER THE PACIFIC WATERS, 2-5 FT
OVER THE N AND CENTRAL GULF OF CALIFORNIA.
FOR THE FORECAST, FRESH TO STRONG N GAP WINDS OVER THE GULF OF
TEHUANTEPEC WILL CONTINUE THROUGH EARLY NEXT WEEK, DIMINISHING
MON NIGHT. A DEVELOPING EXTRATROPICAL CYCLONE SHOULD MOVE INTO
THE WATERS WEST OF THE BAJA CALIFORNIA PENINSULA AND OVER THE N
GULF OF CALIFORNIA TONIGHT INTO SUN WITH STRONG TO NEAR-GALE SE
TO SW WINDS AND SEAS TO 8 FT. FRESH TO STRONG SW WINDS ALONG
WITH SEAS OF 5-6 FT SHOULD OCCUR OVER THE GULF OF CALIFORNIA ON
SUN IN THE WAKE OF THE EXTRATROPICAL CYCLONE. MODERATE OR WEAKER
WINDS WILL LIKELY RETURN TO THE OFFSHORE WATERS SUN INTO MON.

FOR THE FORECAST, THE LOW WILL BECOME A STRONG EXTRATROPICAL
CYCLONE AND THEN MOVE SLOWLY EASTWARD THROUGH THE WEEKEND. THE
SYSTEM SHOULD MOVE OVER THE OFFSHORE ZONES WEST OF THE BAJA
CALIFORNIA PENINSULA ON SUN WITH WINDS AND SEAS DIMINISHING BY
SUN NIGHT.

SHORT-TERM SOUTHERN CROSSING (along 23N)
TODAY - WSW 4-5, Seas S 0.2-0.7 ft @ 4sec
TONITE - WSW 6-7, Seas S 0.3-0.6 ft @ 4sec
SUNDAY - WSW 6-7, Seas S 0.3-0.6 ft @ 4sec
SUNDAY NIGHT - NNW 9-11, Seas NW 1.1-1.2 ft @ 3sec

LONG-TERM SOUTHERN CROSSING
MONDAY - NW 14-18, Seas NW 3.7-3.8 ft @ 5sec
TUESDAY - NNW 17-21, Seas NNW 5.5-5.6 ft @ 6sec
WEDNESDAY - NNW 10-12, Seas NW 3.8-4 ft @ 6sec
THURSDAY - NW 6-7, Seas SSW 0-3 ft @ 15sec
FRIDAY - NW 5-6, Seas SSW 0-2.9 ft @ 15sec