Tehuantepec Forecast
December 16, 2025, 9:01 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
.NONE.
.WITHIN 15N94W TO 16N94W TO 16N95W TO 15N97W TO 13N97W TO 13N95W
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 15N94W TO 16N96W
TO 13N100W TO 10N100W TO 10N95W TO 11N93W TO 15N94W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
A 1028 MB HIGH CENTER IS ANALYZED JUST N OF THE AREA NEAR
32N130W. ITS ASSOCIATED RIDGE EXTENDS TO NEAR THE REVILLAGIGEDO
ISLANDS. THE RELATED PRESSURE GRADIENT IS ALLOWING FOR GENTLE TO
MODERATE NORTHWEST TO NORTH WINDS AND SLIGHT TO MODERATE SEAS
OVER THE MEXICAN OFFSHORE WATERS N OF 20N INCLUDING THE GULF OF
CALIFORNIA. LIGHT AND VARIABLE WINDS AND SLIGHT SEAS PREVAIL
ELSEWHERE FROM 12N TO 20N OUTSIDE OF THE TEHUANTEPEC AREA. IN THE
REGION OF THE GULF OF TEHUANTEPEC, WINDS HAVE DIMINISHED BELOW
GALE-FORCE BUT ARE FRESH TO NEAR GALE AND ROUGH TO VERY ROUGH
RESIDUAL SEAS.
FOR THE FORECAST, FRESH TO STRONG N-NE WINDS AND ROUGH SEAS IN
THE GULF OF TEHUANTEPEC WILL PERSIST INTO EARLY WED. FRESH TO
AT LEAST STRONG GAP WINDS AND ROUGH SEAS MAY RETURN IN THE GULF
OF TEHUANTEPEC BY THE END OF THE WEEK INTO NEXT WEEKEND. ELSEWHERE,
GENTLE TO MODERATE WINDS AND MODERATE SEAS WILL PREVAIL THROUGH
THE MIDDLE OF THE WEEK. FRESH TO STRONG NORTHERLY WINDS AND ROUGH
SEAS WILL DEVELOP MAINLY JUST BEYOND THE OFFSHORE WATERS OF BAJA
CALIFORNIA NORTE WED THROUGH THU. MODERATE TO FRESH WINDS WILL
PULSE NEAR CABO CORRIENTES TONIGHT THROUGH WED NIGHT.
FRESH NORTHEAST WINDS PREVAIL IN THE GULF OF PAPAGAYO REGION PER
RECENT ASCAT SCATTEROMETER DATA AS HIGH PRESSURE BUILDS IN N OF
THE CARIBBEAN WITH LOWER PRESSURES ALONG THE MONSOON TROUGH OVER
SOUTHERN COSTA RICA AND PANAMA. LIGHT TO GENTLE WINDS AND
MODERATE SEAS ARE ELSEWHERE N OF 07N, EXCEPT ROUGH SEAS WELL
OFFSHORE GUATEMALA DUE TO A DIMINISHING GULF OF TEHUANTEPEC GAP
WIND EVENT. S OF 07N, GENTLE TO MODERATE SOUTHERLY WINDS AND
MODERATE SEAS PREVAIL, EXCEPT SLIGHT SEAS NEARSHORE COLOMBIA AND
EASTERN PANAMA.
SHORT-TERM TEHUANTEPEC
TODAY - NNW 17-21, Seas SW 4.5-5.2 ft @ 14sec
TONITE - NNW 15-19, Seas NNW 4.6-5.2 ft @ 6sec
THURSDAY - Not available yet
THURSDAY NIGHT - Not available yet
LONG-TERM TEHUANTEPEC
FRIDAY - NNW 20-25, Seas SW 2.1-3.3 ft @ 12sec
SATURDAY - N 18-22, Seas NNW 4.9-5.6 ft @ 6sec
SUNDAY - NNW 18-22, Seas SSW 2-3.4 ft @ 12sec
MONDAY - N 19-24, Seas N/A ?-? ft @ ?
TUESDAY - Not available yet