Sea of Cortez Southern Crossing Forecast
September 15, 2025, 9:01 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.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM MARIO NEAR 20.8N 114.4W 993 MB AT 2100 UTC SEP
15 MOVING NW OR 305 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N
SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 15
NM S SEMICIRCLE...60 NM NE QUADRANT AND 45 NM NW QUADRANT WITH
SEAS TO 5 M. WITHIN 21N113W TO 21N114W TO 21N115W TO 20N115W TO
20N114W TO 20N113W TO 21N113W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.0
M. ELSEWHERE WITHIN 21N112W TO 22N114W TO 21N115W TO 20N115W TO
19N114W TO 19N112W TO 21N112W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM MARIO NEAR 23.3N 117.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 20
NM SW QUADRANT. WITHIN 24N117W TO 24N118W TO 23N118W TO 23N117W
TO 24N117W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN
23N116W TO 24N117W TO 24N118W TO 23N118W TO 22N117W TO 22N116W
TO 23N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL MARIO NEAR 24.4N 118.8W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW MARIO NEAR 25.4N
119.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 26N119W
TO 26N120W TO 26N119W TO 25N119W TO 26N118W TO 26N119W WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 26N119W TO 26N120W
TO 25.5N120W TO 25N119W TO 25.5N119W TO 26N119W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
AWAY FROM TROPICAL STORM MARIO, MODERATE TO FRESH N TO NE GAP
WINDS ARE OCCURRING IN THE GULF OF TEHUANTEPEC AS HIGH PRESSURE
PREVAILS OVER THE SOUTH-CENTRAL UNITED STATES AND A TROUGH
MOVES WESTWARD IN THE BAY OF CAMPECHE. ELSEWHERE, WEAK RIDGING
EXTENDS OVER THE BAJA CALIFORNIA NORTE WATERS, SUPPORTING GENTLE
TO MODERATE NW WINDS AS OBSERVED VIA RECENT SCATTEROMETER DATA,
AND 4 TO 6 FT SEAS NOTED ON RECENT ALTIMETER DATA. A 1009 MB LOW
HAS BEEN ANALYZED NEAR 28N112W, AND A TROUGH EXTENDS THROUGH THE
NORTHERN AND CENTRAL GULF OF CALIFORNIA. GENTLE TO MODERATE SE
WINDS AND 1 TO 3 SEAS PREVAIL THROUGH THE GULF, WITH LOCAL SEAS
OF 4 TO 5 FT IN THE ENTRANCE OF THE GULF. OTHERWISE, GENTLE TO
MODERATE SE WINDS AND 5 TO 6 FT SEAS PREVAIL OFFSHORE OF
SOUTHWESTERN MEXICO AWAY FROM MARIO.
SHORT-TERM SOUTHERN CROSSING (along 23N)
TODAY - SSW 7-9, Seas SSW 0-5.5 feet @ 16sec
TONITE - SSW 7-9, Seas SSW 0-5.5 feet @ 16sec
WEDNESDAY - W 6-7, Seas SSW 0-5.2 feet @ 14sec
WEDNESDAY NIGHT - W 6-7, Seas SSW 0-5.2 feet @ 14sec
LONG-TERM SOUTHERN CROSSING
THURSDAY - W 7-9, Seas SSW 0-5 feet @ 14sec
FRIDAY - SE 7-9, Seas N/A ?-? feet @ ?
SATURDAY - SSE 7-9, Seas N/A ?-? feet @ ?
SUNDAY - W 9-11, Seas N/A ?-? feet @ ?
MONDAY - Not available yet