Tehuantepec Forecast

January 27, 2026, 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.

...GALE WARNING...
.WITHIN 45 NM OF A LINE FROM 16N95W TO 14N95W TO 13N96W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 KT WITH HIGHER
GUSTS. SEAS 4 TO 6 M. ELSEWHERE WITHIN 90 NM OF A LINE FROM 16N95W
TO 14N95W TO 13N96W TO 11N102W NE TO E WINDS 20 TO 30 KT. SEAS 4 TO
6 M E OF 101W...AND 2.5 TO 4 M W OF 101W. REMAINDER OF THE AREA FROM
08N TO 15N BETWEEN 91W AND 103W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M
IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 14N95W N TO
NE WINDS 30 TO 40 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 60 NM OF A
LINE FROM 16N95W TO 14N95W TO 11N100W NE TO E WINDS 20 TO 30 KT.
SEAS 2.5 TO 3 M. REMAINDER OF THE AREA FROM 04N TO 12N BETWEEN 92W
AND 108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M PRIMARILY IN N SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 16N95W TO 14N96W TO
11N100W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM
09N TO 12N BETWEEN 92W AND 100W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN MIXED SWELL.

.WITHIN 45 NM OF A LINE FROM 16N95W TO 14N95W TO 13N96W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 KT WITH HIGHER
GUSTS. SEAS 4 TO 6 M. ELSEWHERE WITHIN 90 NM OF A LINE FROM 16N95W
TO 14N95W TO 13N96W TO 11N102W NE TO E WINDS 20 TO 30 KT. SEAS 4 TO
6 M E OF 101W...AND 2.5 TO 4 M W OF 101W. REMAINDER OF THE AREA FROM
08N TO 15N BETWEEN 91W AND 103W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M
IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 14N95W N TO
NE WINDS 30 TO 40 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 60 NM OF A
LINE FROM 16N95W TO 14N95W TO 11N100W NE TO E WINDS 20 TO 30 KT.
SEAS 2.5 TO 3 M. REMAINDER OF THE AREA FROM 04N TO 12N BETWEEN 92W
AND 108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M PRIMARILY IN N SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 16N95W TO 14N96W TO
11N100W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM
09N TO 12N BETWEEN 92W AND 100W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN MIXED SWELL.

GULF OF TEHUANTEPEC GALE WARNING: A PARTIAL SCATTEROMETER PASS
INDICATES THAT N WINDS OF 40 TO 45 KT ARE BLOWING ACROSS THE
GULF OF TEHUANTEPEC AND DOWNWIND TO ABOUT 14N. AS A RESULT, THE
STORM WARNING IS ALLOWED TO EXPIRE, BUT A GALE WARNING WILL
REMAIN IN EFFECT THROUGH THU MORNING. VISIBLE SATELLITE IMAGERY
SHOW A ROPE CLOUDS, THAT DELINEATES THE LEADING EDGE OF THE
NORTHERLY WIND FLOW ASSOCIATED WITH THIS STRONG GAP WIND EVENT,
EXTENDING BEYOND 100W. LARGE SEAS GENERATED BY THIS EVENT WILL
CONTINUE TO PROPAGATE WELL AWAY FROM THE TEHUANTEPEC AREA, WITH
SEAS 12 FT OR GREATER REACHING AS FAR SOUTH AS 09N BY THIS
EVENING. WINDS AND SEAS WILL SIGNIFICANTLY DIMINISH BY THU
EVENING INTO FRI MORNING. LOOKING AHEAD, THE NEXT GAP WIND EVENT
IS SLATED TO BEGIN ACROSS THE TEHUANTEPEC AREA BY FRI NIGHT, WITH
WINDS REACHING AGAIN STRONG GALE-FORCE SPEEDS ON SAT. CURRENTLY,
THE FORECAST CALLS FOR N WINDS OF 40 TO 45 KT ON SAT, WITH SEAS
BUILDING TO 16 TO 18 FT BY SAT NIGHT. MARINE INTERESTS TRANSITING
ACROSS OR IN THE GULF OF TEHUANTEPEC NEED TO MONITOR THE ONGOING
EVENT, AND ALSO THE NEXT ONE THAT IS IN STORE FOR THIS UPCOMING
WEEKEND, AND TAKE NECESSARY ACTION TO AVOID THESE HAZARDOUS
MARINE CONDITIONS.
A GALE WARNING REMAINS IN EFFECT FOR THE GULF OF TEHUANTEPEC
THROUGH THU MORNING. SEE THE SPECIAL FEATURES SECTION ABOVE FOR
MORE DETAILS.
FOR THE FORECAST, FRESH TO STRONG NE TO E WINDS WILL CONTINUE
ACROSS THE PAPAGAYO REGION THROUGH THE WEEKEND AS A TIGHT
PRESSURE GRADIENT PERSISTS OVER THE NW CARIBBEAN AND NORTHERN
CENTRAL AMERICA ASSOCIATED WITH A STRONG HIGH PRESSURE OVER
THE SOUTH-CENTRAL PART OF THE UNITED STATES. MINIMAL GALE
CONDITIONS MAY BE POSSIBLE EARLY NEXT WEEK. MODERATE TO FRESH N
WINDS WILL CONTINUE TO PULSE IN THE GULF OF PANAMA THROUGH FRI.
WINDS ARE EXPECTED TO INCREASE AGAIN TO 20 TO 25 KT ACROSS THE
GULF OF PANAMA AND DOWNWIND BEYOND 05N EARLY NEXT WEEK AS A
STRONG N WINDS FLOW PREVAILS ACROSS THE SW CARIBBEAN. ELSEWHERE,
WINDS WILL BE MODERATE OR WEAKER THROUGH SAT. OTHERWISE, ROUGH
SEAS GENERATED BY A VERY STRONG GAP WIND EVENT IN THE TEHUANTEPEC
REGION WILL CONTINUE TO PROPAGATE ACROSS THE OFFSHORE FORECAST
WATERS OF GUATEMALA AND EL SALVADOR THROUGH THU. A SECOND GAP
WIND EVENT IN THE GULF OF TEHUANTEPEC OVER THE UPCOMING WEEKEND
WILL ALSO IMPACT THESE WATERS WITH SEAS BUILDING TO AROUND 14 FT.

SHORT-TERM TEHUANTEPEC
TODAY - N 29-36, Seas NNW 8.7-9 ft @ 7sec
TONITE - N 26-33, Seas NNW 13.8-13.9 ft @ 8sec
THURSDAY - N 26-33, Seas NNW 13.8-13.9 ft @ 8sec
THURSDAY NIGHT - NNW 14-17, Seas SSW 3.1-4.2 ft @ 15sec

LONG-TERM TEHUANTEPEC
FRIDAY - NNW 22-27, Seas SSW 3.2-4.5 ft @ 14sec
SATURDAY - NNW 34-43, Seas NNW 11.7-12 ft @ 7sec
SUNDAY - N 30-37, Seas NNW 18.2-18.3 ft @ 10sec
MONDAY - N 25-31, Seas N/A ?-? ft @ ?
TUESDAY - Not available yet