Tehuantepec Forecast

September 4, 2026, 8:00 pm (UTC: -05:00)
Subject: Tehuantepec Forecast

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

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MARIE NEAR 20.2N 118.6W 972 MB AT 2100 UTC SEP 04
MOVING WNW OR 285 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 85 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM E
SEMICIRCLE...150 NM SW QUADRANT AND 170 NM NW QUADRANT. SEAS 4
M OR GREATER WITHIN 270 NM S SEMICIRCLE...315 NM NE QUADRANT AND
330 NM NW QUADRANT WITH SEAS TO 10 M. ELSEWHERE WITHIN 22N114W
TO 25N117W TO 23N123W TO 18N122W TO 16N120W TO 17N115W TO 22N114W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
24N111W TO 30N117W TO 25N127W TO 18N127W TO 11N119W TO 16N110W TO
24N111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE MARIE NEAR 21.8N 120.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM N SEMICIRCLE AND 140 NM S SEMICIRCLE. SEAS 4 M OR
GREATER 300 NM NW AND 210 NM SE SEMICIRCLES WITH SEAS TO 9.5 M.
ELSEWHERE WITHIN 24N117W TO 26N119W TO 25N124W TO 21N126W TO
18N121W TO 19N117W TO 24N117W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0
M. REMAINDER OF AREA WITHIN 25N113W TO 30N117W TO 30N132W TO
19N134W TO 12N127W TO 16N114W TO 25N113W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIE NEAR 23.3N 122.3W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM N SEMICIRCLE AND 110 NM S SEMICIRCLE. SEAS 4 M OR
GREATER WITHIN 300 NM NW AND 210 NM SE SEMICIRCLES WITH SEAS TO
8.5 M. ELSEWHERE WITHIN 27N119W TO 27N126W TO 22N128W TO 19N125W
TO 20N119W TO 23N118W TO 27N119W WINDS 20 TO 33 KT. SEAS 3.0 TO
4.0 M. REMAINDER OF AREA WITHIN 29N116W TO 30N134W TO 21N136W TO
14N125W TO 20N115W TO 29N116W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MIXED SWELL.

...TROPICAL STORM WARNING E OF 140W...
.HURRICANE KARINA W OF AREA NEAR 20.6N 141.1W 978 MB AT 2100 UTC
SEP 04 MOVING W OR 280 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 75
KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...90 NM SE QUADRANT...80 NM SW QUADRANT...AND 120 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE AND SW
QUADRANTS...300 NM NW QUADRANT AND 150 NM SE QUADRANT WITH SEAS
TO 10 M. ELSEWHERE OVER FORECAST WATERS E OF 140W WITHIN 23N138W
TO 25N140W TO 19N140W TO 20N137W TO 23N138W E TO SE WINDS 20 TO
33 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST TROPICAL STORM KARINA W OF AREA NEAR 21.7N
143.3W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM
FORCE WINDS WITHIN 120 NM NE QUADRANT...80 NM SE QUADRANT...70
NM SW QUADRANT...AND 110 NM NW QUADRANT. OVER FORECAST WATERS E
OF 140W WITHIN 26N137W TO 27N140W TO 18N140W TO
19N138W TO 22N136W TO 26N137W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.5 M IN E SWELL.
.48 HOUR FORECAST LITTLE CHANGE IN WINDS AND SEAS E OF 140W.

FOR THE FORECAST, HURRICANE MARIE IS NEAR 20.2N 118.6W AT 2 PM PDT, AND IS MOVING
WEST-NORTHWEST AT 7 KT. MAXIMUM SUSTAINED WINDS ARE 85 KT WITH
GUSTS TO 105 KT, AND THE MINIMUM CENTRAL PRESSURE IS 972 MB.
MARIE WILL MOVE TO 20.9N 119.4W SAT MORNING, 21.8N 120.5W SAT
AFTERNOON, 22.6N 121.5W SUN MORNING, AND 23.3N 122.3W SUN
AFTERNOON. MARIE WILL WEAKEN TO A TROPICAL STORM NEAR 24.0N
123.3W MON MORNING, THEN MOVE TO 24.7N 124.5W MON AFTERNOON.
MARIE WILL CHANGE LITTLE IN INTENSITY AS IT MOVES TO 26.6N 126.7W
TUE AFTERNOON. ELSEWHERE, A TIGHT PRESSURE GRADIENT WILL RESULT
IN FRESH S TO SE WINDS IN THE N GULF OF CALIFORNIA THROUGH
TONIGHT. LOOKING AHEAD, THE NEXT GAP WIND EVENT IN THE GULF OF
TEHUANTEPEC MAY OCCUR BY THE MIDDLE OF NEXT WEEK.

SHORT-TERM TEHUANTEPEC
TODAY - W 7-9, Seas SW 0-6.7 ft @ 16sec
TONITE - WNW 10-13, Seas SW 0-6.7 ft @ 16sec
SATURDAY - WNW 10-13, Seas SW 0-6.7 ft @ 16sec
SATURDAY NIGHT - E 6-7, Seas SW 0-5.8 ft @ 15sec

LONG-TERM TEHUANTEPEC
SUNDAY - E 6-7, Seas SW 0-5.8 ft @ 15sec
MONDAY - NNE 6-8, Seas SSW 0-5.1 ft @ 14sec
TUESDAY - ESE 10-12, Seas SW 2.5-5.3 ft @ 17sec
WEDNESDAY - NNW 18-23, Seas SW 2.5-5.2 ft @ 17sec
THURSDAY - NNW 14-17, Seas SW 4.6-6 ft @ 18sec