Tehuantepec Forecast

July 3, 2026, 9:00 am (UTC: -04:00)
Subject: Tehuantepec Forecast

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

.WARNINGS.

...GALE WARNING...
.POST-TROPICAL CYCLONE DOUGLAS NEAR 19.4N 128.3W 1003 MB AT 0900
UTC JUL 03 MOVING NNW OR 335 DEG AT 7 KT. MAXIMUM SUSTAINED
WINDS 35 KT GUSTS 45 KT. GALE FORCE WINDS WITHIN 110 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. ELSEWHERE WITHIN 22N123W TO
23N127W TO 21N131W TO 18N130W TO 18N127W TO 20N124W TO 22N123W NE
TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. REMAINDER OF AREA
WITHIN 24N123W TO 29N131W TO 20N138W TO 15N136W TO 12N125W TO
17N122W TO 24N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO
NE SWELL.
.06 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST REMNANT LOW OF DOUGLAS NEAR 21N129W 1009 MB.
WITHIN 23N127W TO 25N128W TO 25N130W TO 24N132W TO 21N132W TO
21N126W TO 23N127W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M
IN N TO NE SWELL. ELSEWHERE WITHIN 25N125W TO 28N134W TO 24N136W
TO 16N134W TO 16N129W TO 22N123W TO 25N125W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 25N131W TO 25N133W TO 25N134W TO
23N134W TO 23N133W TO 24N132W TO 25N131W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N TO NE SWELL. ELSEWHERE WITHIN 26N130W TO
27N133W TO 25N137W TO 23N137W TO 18N135W TO 23N128W TO 26N130W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.

.WITHIN 16N95W TO 16N96W TO 15N96W TO 14N96W TO 14N95W TO 15N95W
TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

FRESH TO STRONG GAP WINDS WITH LOCALLY ROUGH SEAS ARE PULSING
ACROSS THE GULF OF TEHUANTEPEC, BETWEEN HIGH PRESSURE NORTH OF
THE REGION AND LOWER PRESSURE OVER THE TROPICS. ASSOCIATED SEAS
ARE REACHING 8 FT IN THE PLUME OF THESE GAP WINDS. FARTHER NORTH,
A RIDGE OFF BAJA CALIFORNIA WILL MAINTAIN GENTLE TO MODERATE
BREEZES, WITH 4-6 FT SEAS OFF BAJA. GENTLE BREEZES AND SLIGHT
SEAS ARE NOTED ELSEWHERE.
FOR THE FORECAST, THE FRESH TO STRONG GAP WINDS WITH LOCALLY
ROUGH SEAS WILL PULSE ACROSS THE GULF OF TEHUANTEPEC THIS
MORNING, THEN DIMINISH. FARTHER NORTH, THE RIDGE OFF BAJA
CALIFORNIA WILL MAINTAIN GENTLE TO MODERATE BREEZES THROUGH SAT,
BECOMING MODERATE TO OCCASIONALLY FRESH NEAR THE COAST OF BAJA
CALIFORNIA STARTING SUN AS THE HIGH PRESSURE BUILDS. LOOKING
AHEAD, LARGE SW SWELL MAY REACH THE WATERS OFF SOUTHERN MEXICO
EARLY NEXT WEEK.

SHORT-TERM TEHUANTEPEC
TODAY - NNW 8-10, Seas SSW 1.5-5.2 ft @ 15sec
TONITE - N 10-13, Seas SSW --? ft @ 15sec
SATURDAY - Not available yet
SATURDAY NIGHT - Not available yet

LONG-TERM TEHUANTEPEC
SUNDAY - Not available yet
MONDAY - SSE 11-14, Seas SSW 2.9-6 ft @ 19sec
TUESDAY - SSE 5-6, Seas SSW 4.1-7.1 ft @ 18sec
WEDNESDAY - NNW 19-24, Seas N/A ?-? ft @ ?
THURSDAY - NW 20-25, Seas N/A ?-? ft @ ?