Tehuantepec Forecast

December 13, 2025, 9:00 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 16N96W TO 14N96W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WITHIN 16N94.5W TO 16.5N95W TO 16N95.5W TO
15.5N95.5W TO 15N95W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE
GULF OF TEHUANTEPEC... N WINDS 30 TO 35 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 16N93W TO 16N95W TO 15N96W TO 14N96W TO 14N94W
TO 15N94W TO 16N93W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35
KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N95W TO 15N97W TO
13N101W TO 11N101W TO 11N96W TO 13N93W TO 16N95W N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WITHIN 16N94.5W TO 16.5N95W TO 16N95.5W TO
15.5N95.5W TO 15N95W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE
GULF OF TEHUANTEPEC... N WINDS 30 TO 35 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 16N93W TO 16N95W TO 15N96W TO 14N96W TO 14N94W
TO 15N94W TO 16N93W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35
KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N95W TO 15N97W TO
13N101W TO 11N101W TO 11N96W TO 13N93W TO 16N95W N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.

GULF OF TEHUANTEPEC GALE WARNING: A COLD FRONT WILL SHIFT ACROSS
THE GULF OF AMERICA SUNDAY. HIGH PRESSURE WILL BUILD IN THE WAKE
OF THE FRONT. THE PRESSURE GRADIENT BETWEEN THIS BUILDING HIGH
PRESSURE AND THE EASTERN NORTH PACIFIC MONSOON TROUGH WILL USHER
IN THE NEXT GULF OF TEHUANTEPEC GALE- FORCE GAP WIND EVENT. FRESH
TO STRONG WINDS OVER THE TEHUANTEPEC REGION WILL INCREASE TO GALE
FORCE SUNDAY NIGHT. THE AREA OF HIGH PRESSURE WILL START TO SHIFT
EASTWARD AND WEAKEN MONDAY NIGHT. THIS WILL LOOSEN THE PRESSURE
GRADIENT AND DIMINISH WINDS BELOW GALE FORCE BY TUE MORNING.
ROUGH SEAS WILL DEVELOP SUN NIGHT AND CONTINUE THROUGH TUE NIGHT,
PEAKING AROUND 13-14 FT (4 M). CONDITIONS WILL IMPROVE THE
MIDDLE OF NEXT WEEK.
A GALE WARNING IS IN EFFECT IN THE GULF OF TEHUANTEPEC. PLEASE
SEE THE SPECIAL FEATURE SECTION FOR MORE DETAILS.
FRESH TO STRONG WINDS ARE OVER AND DOWNSTREAM THE GULF OF
TEHUANTEPEC. ELSEWHERE, A WEAK PRESSURE GRADIENT ACROSS THE AREA
IS SUPPORTING LIGHT TO GENTLE WINDS. MODERATE SEAS ARE WEST OF
THE BAJA CALIFORNIA PENINSULA AS WELL AS OVER THE GULF OF
TEHUANTEPEC. SLIGHT SEAS PREVAIL ELSEWHERE.
FOR THE FORECAST, FRESH TO STRONG NORTHERLY WINDS OVER THE GULF
OF TEHUANTEPEC WILL INCREASE TO GALE- FORCE SUN EVENING. THE GALE
FORCE WINDS WILL CONTINUE THROUGH EARLY TUE. ELSEWHERE, MAINLY
GENTLE TO MODERATE WINDS AND MODERATE SEAS WILL PREVAIL THROUGH
THE MIDDLE OF NEXT WEEK. FRESH TO LOCALLY STRONG NORTHERLY WINDS
AND ROUGH SEAS WILL DEVELOP OVER THE OFFSHORE WATERS OF BAJA
CALIFORNIA NORTE BY THE MIDDLE OF NEXT WEEK.

SHORT-TERM TEHUANTEPEC
TODAY - N 20-25, Seas NW 3.8-4.8 ft @ 6sec
TONITE - N 20-25, Seas NNW 6.1-6.8 ft @ 7sec
MONDAY - N 25-31, Seas NNW 9.9-10.2 ft @ 7sec
MONDAY NIGHT - N 25-31, Seas NNW 10.4-10.7 ft @ 8sec

LONG-TERM TEHUANTEPEC
TUESDAY - N 25-31, Seas NNW 10.4-10.7 ft @ 8sec
WEDNESDAY - NNW 18-23, Seas SW 5.1-5.6 ft @ 14sec
THURSDAY - N 12-15, Seas SW 2.4-3.4 ft @ 13sec
FRIDAY - N 14-17, Seas N/A ?-? ft @ ?
SATURDAY - Not available yet