Tehuantepec Forecast

January 12, 2026, 3:01 pm (UTC: -05:00)
Subject: Tehuantepec Forecast

Questions/Comments visit https://svsarana.com

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

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N96W TO 14N97W TO 13N97W TO 12N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 45 KT. SEAS 4.0 TO 5.5 M. ELSEWHERE...WITHIN 13N93W TO 16N95W
TO 13N100W TO 09N100W TO 09N96W TO 10N94W TO 13N93W NE WINDS 20
TO 30 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA...WITHIN 12N91W TO
16N95W TO 11N106W TO 09N106W TO 07N96W TO 12N91W NE TO E WINDS
20 TO 25 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 35 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE...WITHIN 14N94W
TO 16N94W TO 16N95W TO 12N100W TO 12N96W TO 14N94W. NE WINDS 20
TO 30 KT. SEAS 3.0 TO 4.5 M. REMAINDER OF AREA...WITHIN 16N94W TO
14N99W TO 12N109W TO 04N104W TO 04N98W TO 08N92W TO 16N94W WINDS
20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NE SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 13N96W TO 14N95W 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 16N96W TO 14N97W TO 13N97W TO 12N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 45 KT. SEAS 4.0 TO 5.5 M. ELSEWHERE...WITHIN 13N93W TO 16N95W
TO 13N100W TO 09N100W TO 09N96W TO 10N94W TO 13N93W NE WINDS 20
TO 30 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA...WITHIN 12N91W TO
16N95W TO 11N106W TO 09N106W TO 07N96W TO 12N91W NE TO E WINDS
20 TO 25 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 35 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE...WITHIN 14N94W
TO 16N94W TO 16N95W TO 12N100W TO 12N96W TO 14N94W. NE WINDS 20
TO 30 KT. SEAS 3.0 TO 4.5 M. REMAINDER OF AREA...WITHIN 16N94W TO
14N99W TO 12N109W TO 04N104W TO 04N98W TO 08N92W TO 16N94W WINDS
20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NE SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 13N96W TO 14N95W 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: WINDS HAVE DIMINISHED SLIGHTLY
EARLY THIS MORNING TO BELOW STORM-FORCE AS HIGH PRESSURE OVER NE
MEXICO HAS WEAKENED TO 1034 MB. STILL, WINDS OF 40 TO 45 KT
PREVAIL THROUGH THE TEHUANTEPEC REGION, WITH VERY ROUGH SEAS OF
UP TO 19 FT. POWERFUL GAP WINDS WILL CONTINUE TODAY, THEN
DECREASE SOME TONIGHT INTO TUE AS THE HIGH PRESSURE WEAKENS AND
SLIDES TO THE EAST, BUT REMAIN ABOVE GALE FORCE THROUGH TUE
NIGHT. VERY ROUGH SEAS GENERATED BY THESE GALES WILL EXTEND
SOUTHWARD TO AS FAR AS 08N TONIGHT INTO TUE. CONDITIONS WILL
BRIEFLY IMPROVE WED BEFORE A STRONG COLD FRONT MOVES THROUGH THE
GULF OF AMERICA WED NIGHT, USHERING IN ANOTHER ROUND OF GALE-
FORCE GAP WINDS THU INTO FRI. MARINERS ARE URGED TO TAKE THE
NECESSARY ACTION TO AVOID THE HAZARDOUS MARINE CONDITIONS BROUGHT
ON BY THE STORM AND GALE- FORCE WINDS.
REFER TO THE SPECIAL FEATURES SECTION ABOVE FOR DETAILS ON A
GALE WARNING FOR THE GULF OF TEHUANTEPEC REGION.
FOR THE FORECAST, GALE FORCE WINDS AND VERY ROUGH SEAS WILL
PREVAIL IN THE GULF OF TEHUANTEPEC WILL PREVAIL INTO TUE NIGHT.
BY THU MORNING, GALE FORCE NORTHERLY GAP WINDS WILL RESUME IN
THE GULF OF TEHUANTEPEC REGION DUE TO A STRONG RIDGE THAT WILL
DEVELOP OVER THE GULF OF AMERICA AND ACROSS EASTERN MEXICO IN THE
WAKE OF A STRONG COLD FRONT. MARINERS ARE URGED TO TAKE THE
NECESSARY ACTION TO AVOID THE HAZARDOUS MARINE CONDITIONS BROUGHT
ON BY THE STORM AND GALE FORCE WINDS.

HIGH PRESSURE NORTH OF THE REGION CONTINUES TO SUPPORT STRONG
NORTHEAST TO EAST GAP WINDS IN THE GULF OF PAPAGAYO REGION ALONG
WITH ROUGH SEAS AT TIMES. ROUGH SEAS GENERATED BY GALES IN THE
GULF OF TEHUANTEPEC ARE IMPACTING THE OFFSHORE WATERS OF GUATEMALA
AND EL SALVADOR. FRESH WINDS ARE NOTED IN THE GULF OF PANAMA.
MODERATE OR WEAKER WINDS AND SLIGHT SEAS ARE ELSEWHERE. LOW
PRESSURE ALONG THE COAST OF NW COLOMBIA IS GENERATED SCATTERED
MODERATE CONVECTION WITHIN 120 NM OF SHORE.
FOR THE FORECAST, HIGH PRESSURE NORTH OF THE REGION WILL SUPPORT
FRESH TO STRONG NORTHEAST TO EAST WINDS IN THE GULF OF PAPAGAYO
REGION THROUGH THE WEEK. PULSING MODERATE TO FRESH NORTHERLY
WINDS ARE EXPECTED IN THE GULF OF PANAMA THROUGH THU NIGHT. THE
STRONG GAP WIND EVENT IN THE GULF OF TEHUANTEPEC HAS GENERATED
ROUGH SEAS OVER THE OFFSHORE WATERS OF GUATEMALA AND EL SALVADOR.
THESE SEAS WILL SUBSIDE ON TUE NIGHT AS THE NORTHWEST SWELL
DECAYS. OTHERWISE, GENTLE TO MODERATE BREEZES AND SLIGHT TO
MODERATE SEAS WILL PERSIST ELSEWHERE FOR THE NEXT FEW DAYS.

FOR THE FORECAST, MODERATE TO FRESH TRADES WILL CONTINUE ACROSS
THE WESTERN PART OF THE AREA THROUGH MIDWEEK. ROUGH SEAS IN THAT
REGION WILL GRADUALLY SUBSIDE DURING THAT PERIOD. OTHERWISE, THE
ONGOING GAP WIND EVENT IN THE GULF OF TEHUANTEPEC WILL BRING
ROUGH TO VERY ROUGH SEAS TO THE WATERS FROM 06N TO 13N BETWEEN
95W AND 110W INTO TUE NIGHT. A SET OF LONG-PERIOD NORTHWEST
SWELL IS EXPECTED TO BEGIN TO INTRUDE INTO THE FAR WESTERN WATERS
STARTING WED NIGHT.

SHORT-TERM TEHUANTEPEC
TODAY - N 32-40, Seas NNW 14.8-14.8 ft @ 9sec
TONITE - N 27-34, Seas NNW 14.2-14.2 ft @ 9sec
TUESDAY - N 27-34, Seas NNW 14.2-14.2 ft @ 9sec
TUESDAY NIGHT - N 22-27, Seas NNW 7.5-7.6 ft @ 7sec

LONG-TERM TEHUANTEPEC
WEDNESDAY - N 22-27, Seas NNW 7.5-7.6 ft @ 7sec
THURSDAY - N 34-42, Seas NW 9-9.2 ft @ 7sec
FRIDAY - N 22-28, Seas NNW 14.9-15 ft @ 9sec
SATURDAY - NNW 20-25, Seas N/A ?-? ft @ ?
SUNDAY - N 26-32, Seas N/A ?-? ft @ ?