Tehuantepec Forecast

December 11, 2025, 9:00 am (UTC: -05:00)
Subject: Tehuantepec Forecast

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

WARNINGS
.NONE.

.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT.
SEAS BUILDING TO 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 13N97W TO 13N96W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

FRESH TO STRONG GAP WINDS ARE OVER AND DOWNSTREAM THE GULF OF
TEHUANTEPEC PER RECENT ASCAT SCATTEROMETER DATA, WITH SEAS OF 5-7
FT. ELSEWHERE, A RIDGE EXTENDS FROM HIGH PRESSURE LOCATED N OF
THE AREA TO ACROSS THE OFFSHORE FORECAST WATERS OF BAJA
CALIFORNIA. THE PRESSURE GRADIENT BETWEEN THIS RIDGE AND A TROUGH
OVER WESTERN MEXICO IS SUPPORTING MODERATE TO LOCALLY FRESH WINDS
IN THE CENTRAL AND SOUTHERN GULF OF CALIFORNIA, AS WELL AS NEAR
CABO CORRIENTES. LIGHT TO GENTLE WINDS AND MODERATE SEAS IN LONG
PERIOD MIXED SWELLS ARE NOTED ACROSS THE REMAINDER OF THE
MEXICAN OFFSHORE WATERS, WITH SLIGHT TO MODERATE SEAS IN THE GULF
OF CALIFORNIA AND NEARSHORE SW MEXICO.
FOR THE FORECAST, FRESH TO STRONG NORTHERLY GAP WINDS WILL
PREVAIL IN THE GULF OF TEHUANTEPEC THROUGH FRI MORNING, THEN
MODERATE TO FRESH THROUGH SAT MORNING. WINDS OVER TEHUANTEPEC
WILL STRENGTHEN AGAIN ON SAT AFTERNOON AND NIGHT, POSSIBLY
REACHING GALE-FORCE SUN NIGHT THROUGH AT LEAST MON NIGHT. MAINLY
GENTLE TO MODERATE WINDS AND MODERATE SEAS WILL PREVAIL
ELSEWHERE, LOCALLY FRESH NEAR CABO CORRIENTES AND IN THE GULF OF
CALIFORNIA THROUGH THE END OF THE WEEK.

FOR THE FORECAST, MODERATE N WINDS WILL PULSE IN THE GULF OF
PANAMA. OTHERWISE, MAINLY GENTLE WINDS WILL PREVAIL N OF THE
MONSOON TROUGH OVER THE NEXT SEVERAL DAYS, EXCEPT PULSING TO
MODERATE TO FRESH IN THE GULF OF PAPAGAYO, LOCALLY STRONG AT
TIMES. GENTLE TO MODERATE WINDS WILL PREVAIL S OF MONSOON TROUGH.
MODERATE SEAS IN MIXED SW AND NW SWELL ARE EXPECTED OVER THE
REGIONAL WATERS THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK.
SEAS MAY BUILD OFFSHORE GUATEMALA BY EARLY NEXT WEEK DUE TO A
POSSIBLE GULF OF TEHUANTEPEC GAP WIND EVENT.

SHORT-TERM TEHUANTEPEC
TODAY - NNW 21-26, Seas SSW 4.3-5.1 ft @ 14sec
TONITE - N 16-20, Seas NNW 6.8-7.3 ft @ 7sec
FRIDAY - N 16-20, Seas NNW 6.8-7.3 ft @ 7sec
FRIDAY NIGHT - NNW 10-13, Seas SSW 0.9-2.8 ft @ 12sec

LONG-TERM TEHUANTEPEC
SATURDAY - NNW 16-20, Seas SW 1.3-3 ft @ 17sec
SUNDAY - N 20-25, Seas NW 3.7-4.5 ft @ 6sec
MONDAY - N 26-32, Seas NNW 7-7.4 ft @ 6sec
TUESDAY - N 22-28, Seas NNW 10.1-10.4 ft @ 7sec
WEDNESDAY - NNW 15-19, Seas N/A ?-? ft @ ?