Tehuantepec Forecast

September 15, 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.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N96W TO 13N96W TO 14N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20
TO 30 KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 13N97W TO 11N97W TO
13N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.30 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 16N94W TO 16N95W TO
16N96W TO 14N96W TO 14N95W TO 14N94W TO 16N94W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.42 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 12N99W TO 11N99W TO
11N97W TO 12N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.WITHIN 16N94W TO 16N95W TO 15N96W TO 13N96W TO 14N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20
TO 30 KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 13N97W TO 11N97W TO
13N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.30 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 16N94W TO 16N95W TO
16N96W TO 14N96W TO 14N95W TO 14N94W TO 16N94W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.42 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 12N99W TO 11N99W TO
11N97W TO 12N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN HIGH
PRESSURE BUILDING OVER SOUTHERN MEXICO AND THE EASTERN NORTH
PACIFIC MONSOON TROUGH WILL SUPPORT STRONG TO NEAR-GALE FORCE N
TO NE GAP WINDS ACROSS THE GULF OF TEHUANTEPEC INTO WED, AND WILL
REACH MINIMAL GALE FORCE WED NIGHT. ROUGH SEAS WILL ACCOMPANY
THESE GAP WINDS.

PLEASE SEE SPECIAL FEATURES SECTION ABOVE FOR MORE ON A GALE
WARNING IN THE GULF OF TEHUANTEPEC.
FRESH TO STRONG N TO NE GAP WINDS, AND SEAS OF 6-8 FT, ARE OVER
THE GULF OF TEHUANTEPEC. MODERATE TO FRESH WINDS ARE OVER THE
NORTHERN GULF OF CALIFORNIA. GENTLE TO MODERATE WINDS AND 4-7 FT
ARE NOTED ELSEWHERE, EXCEPT 1-3 FT IN THE CENTRAL AND SOUTHERN
GULF.
FOR THE FORECAST, PLEASE SEE THE SPECIAL FEATURES SECTION FOR
INFORMATION ABOUT THE GALE WARNING IN THE GULF OF TEHUANTEPEC.
ELSEWHERE, FRESH SE TO S WINDS PULSE ACROSS THE NORTHERN GULF OF
CALIFORNIA THROUGH WED. LARGE N SWELL OFF BAJA CALIFORNIA NORTE
NEAR GUADALUPE ISLAND WILL SUBSIDE THROUGH MID WEEK.

SHORT-TERM TEHUANTEPEC
TODAY - N 19-24, Seas NNW 0-3.4 ft @ 6sec
TONITE - N 18-23, Seas NNW 4.3-4.3 ft @ 6sec
WEDNESDAY - N 21-26, Seas NNW 5.9-6 ft @ 6sec
WEDNESDAY NIGHT - N 17-21, Seas NNW 5.2-5.3 ft @ 6sec

LONG-TERM TEHUANTEPEC
THURSDAY - NNW 21-26, Seas NNW 4-4.2 ft @ 6sec
FRIDAY - N 13-16, Seas NNW 0-4.3 ft @ 6sec
SATURDAY - W 10-12, Seas SSE 0.6-1.5 ft @ 7sec
SUNDAY - WNW 14-18, Seas SSE 0.7-1.5 ft @ 7sec
MONDAY - WSW 9-11, Seas SW 2-4.3 ft @ 17sec