Sea of Cortez Forecast

September 3, 2026, 8:00 pm (UTC: -05:00)
Subject: Sea of Cortez Forecast

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This forecast has not been reviewed. It was generated from an automatic model.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE KARINA NEAR 19.8N 137.6W 969 MB AT 2100 UTC SEP 03
MOVING W OR 275 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS
110 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM N
SEMICIRCLE...80 NM SE QUADRANT AND 90 NM SW QUADRANT. SEAS 4 M OR
GREATER WITHIN 240 NM NE QUADRANT...150 NM SE QUADRANT...280 NM
SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 12.5 M.
ELSEWHERE OVER FORECAST WATERS...WITHIN 23N134W TO 26N137W TO
25N140W TO 19N140W TO 18N138W TO 18N135W TO 23N134W WINDS 20 TO
33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA...WITHIN 25N131W TO
28N140W TO 08N140W TO 10N127W TO 15N131W TO 25N131W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE KARINA NEAR 20.5N 140.7W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM N SEMICIRCLE AND 80 NM S SEMICIRCLE. SEAS 4 M OR
GREATER WITHIN 270 NM W SEMICIRCLE...210 NM NE QUADRANT...AND 150
NM SE QUADRANT WITH SEAS TO 11 M. ELSEWHERE OVER FORECAST
WATERS...WITHIN 23N137W TO 25N140W TO 22N140W TO 21N139W TO
19N140W TO 20N137W TO 23N137W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0
M. REMAINDER OF AREA...WITHIN 24N134W TO 29N140W TO 14N140W TO
16N137W TO 21N133W TO 24N134W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM KARINA NEAR 21.8N 143.3W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NE QUADRANT...80 NM SE QUADRANT...70 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240
NM W SEMICIRCLE...180 NM NE QUADRANT...AND 120 NM SE QUADRANT
WITH SEAS TO 8.5 M. OVER FORECAST WATERS...WITHIN 23N135W TO
26N137W TO 27N140W TO 23N139W TO 16N140W TO 19N139W TO 23N135W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.

...HURRICANE WARNING...
.HURRICANE MARIE NEAR 19.3N 115.5W 976 MB AT 2100 UTC SEP 03
MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE
QUADRANT...170 NM SE QUADRANT...120 NM SW QUADRANT...AND 150 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM S SEMICIRCLE...330
NM NE QUADRANT AND 300 NM NW QUADRANT WITH SEAS TO 11.5 M.
ELSEWHERE...WITHIN 22N111W TO 23N119W TO 20N120W TO 16N117W TO
16N112W TO 19N110W TO 22N111W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0
M. REMAINDER OF AREA...WITHIN 23N107W TO 28N117W TO 24N122W TO
18N122W TO 12N116W TO 17N109W TO 23N107W...INCLUDING NEAR CABO
CORRIENTES AND SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS
2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE MARIE NEAR 20.2N 117.9W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM E SEMICIRCLE...120 NM SW QUADRANT AND 140 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 330 NE QUADRANT...240 NM SE
QUADRANT...210 NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS
TO 12.5 M. ELSEWHERE...WITHIN 23N114W TO 25N120W TO 25N123W TO
21N124W TO 16N120W TO 17N114W TO 23N114W WINDS 20 TO 33 KT. SEAS
3.5 TO 4.0 M. REMAINDER OF AREA OVER FORECAST WATERS...WITHIN
23N109W TO 30N117W TO 30N123W TO 19N128W TO 11N119W TO 12N114W TO
23N109W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIE NEAR 21.7N 120.3W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 110 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...210
NM SE QUADRANT...180 NM SW QUADRANT...AND 270 NM NW QUADRANT
WITH SEAS TO 12.0 M. ELSEWHERE...WITHIN 24N117W TO 26N122W TO
24N126W TO 20N126W TO 17N120W TO 19N116W TO 24N117W WINDS 20 TO
33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA OVER FORECAST
WATERS...WITHIN 23N111W TO 30N118W TO 30N129W TO 20N132W TO
11N120W TO 16N111W TO 23N111W...INCLUDING SEBASTIAN VIZCAINO BAY
AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5
M IN MIXED SWELL.

AWAY FROM THE IMPACTS OF HURRICANE MARIE, THE PRESSURE GRADIENT
BETWEEN A RIDGE NORTH OF THE AREA AND THE HURRICANE SUSTAIN FRESH
NORTHERLY WINDS AND MODERATE SEAS ACROSS THE OFFSHORE WATERS OF
BAJA CALIFORNIA. MODERATE TO FRESH SOUTHERLY WINDS AND SEAS OF
3 TO 5 FT ARE NOTED IN THE NORTHERN AND CENTRAL GULF OF
CALIFORNIA. ELSEWHERE, LIGHT TO GENTLE WINDS AND SLIGHT TO
MODERATE SEAS ARE EVIDENT IN THE OFFSHORE WATERS OF MEXICO.
FOR THE FORECAST, HURRICANE MARIE IS NEAR 19.3N 115.5W AT 2 PM
PDT, AND IS MOVING WEST-NORTHWEST AT 9 KT. MAXIMUM SUSTAINED
WINDS ARE 80 KT WITH GUSTS TO 100 KT, AND THE MINIMUM CENTRAL
PRESSURE IS 976 MB. MARIE WILL MOVE TO 19.6N 116.6W FRI MORNING,
20.2N 117.9W FRI AFTERNOON, 20.9N 119.2W SAT MORNING, 21.7N
120.3W SAT AFTERNOON, 22.4N 121.3W SUN MORNING, AND 22.8N 122.5W
SUN AFTERNOON. MARIE WILL WEAKEN TO A TROPICAL STORM WELL WEST OF
BAJA CALIFORNIA MON AFTERNOON. ELSEWHERE, A TIGHT PRESSURE
GRADIENT WILL RESULT IN FRESH S TO SE WINDS IN THE N GULF OF
CALIFORNIA INTO FRI NIGHT.

HURRICANE MARIE IS CENTERED NEAR 19.3N 115.5W AT 03/2100 UTC,
MOVING WEST AT 8 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 976
MB. MAXIMUM SUSTAINED WIND SPEED IS 80 KT WITH GUSTS TO 100 KT.
PEAK SEAS ARE NEAR 38 FT. NUMEROUS MODERATE TO ISOLATED STRONG
CONVECTION IS NOTED FROM 15N TO 23N BETWEEN 108W AND 117W. A MORE
WNW MOTION IS EXPECTED THROUGH THIS WEEKEND. SOME STRENGTHENING
IS FORECAST OVER THE NEXT DAY OR SO, FOLLOWED BY GRADUAL
WEAKENING THIS WEEKEND. SWELLS GENERATED BY MARIE WILL AFFECT
PORTIONS OF THE COAST OF SOUTHWEST MEXICO AND THE BAJA CALIFORNIA
PENINSULA FOR THE NEXT FEW DAYS AND WILL LIKELY SPREAD NORTHWARD
TO SOUTHERN CALIFORNIA OVER THE WEEKEND. THESE SWELLS ARE LIKELY
TO CAUSE LIFE- THREATENING SURF AND RIP CURRENT CONDITIONS.
PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.
PLEASE SEE THE SPECIAL FEATURES SECTION FOR INFORMATION ON
HURRICANE MARIE CENTERED SOUTHWEST OF BAJA CALIFORNIA, MEXICO.
PLEASE SEE THE SPECIAL FEATURES SECTION FOR INFORMATION ABOUT
HURRICANE KARINA CENTERED OVER A 1000 MILES EAST OF HAWAII, AND
HURRICANE MARIE LOCATED SOUTHWEST OF BAJA CALIFORNIA, MEXICO.

SHORT-TERM SEA OF CORTEZ NORTHERN HALF (north of 27N)
TODAY - W 7-9, Seas S 1.5-6.9 ft @ 13sec
TONITE - WSW 2-2, Seas SSW 0-7.2 ft @ 13sec
FRIDAY - SSW 6-8, Seas SSW 0-7.4 ft @ 12sec
FRIDAY NIGHT - SSE 2-3, Seas SSW 0-7.9 ft @ 13sec

SHORT-TERM SEA OF CORTEZ SOUTHERN HALF (south of 27N)
TODAY - SW 6-8, Seas SSW 0-8.4 ft @ 11sec
TONITE - SW 4-5, Seas SW 0-8.6 ft @ 12sec
FRIDAY - WSW 6-8, Seas SSW 0-7.4 ft @ 16sec
FRIDAY NIGHT - W 6-8, Seas SSW 0-7.3 ft @ 16sec

LONG-TERM SEA OF CORTEZ
SATURDAY - Northern Half WSW 6-8, Seas SSW 0-8.2 ft @ 13sec, Southern Half W 9-11, Seas SSW 0-6.9 ft @ 15sec
SUNDAY - Northern Half W 13-16, Seas SW 0-7.4 ft @ 13sec, Southern Half N 10-12, Seas SSW 2.3-6.9 ft @ 15sec
MONDAY - Northern Half W 16-20, Seas SW 3.1-6.4 ft @ 12sec, Southern Half NNE 7-9, Seas SSW 0-5.3 ft @ 14sec
TUESDAY - Northern Half NNW 14-17, Seas SW 0-5.2 ft @ 12sec, Southern Half SSE 10-13, Seas SSW 0-4.5 ft @ 13sec
WEDNESDAY - Northern Half NNW 13-16, Seas SSW 0-4.7 ft @ 13sec, Southern Half S 11-14, Seas SSW 3.2-4.6 ft @ 16sec