Tehuantepec Forecast
April 19, 2026, 9:01 pm (UTC: -04:00)
Subject: Tehuantepec Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...GALE WARNING...
.06 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 M.
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
13N98W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N
TO NE WINDS 25 TO 30 KT...EXCEPT N OF 15N, N TO NE WINDS 30 TO
35 KT. SEAS 2.5 TO 3 M...EXCEPT N OF 15N 3 TO 4 M. WITHIN 14N95W
TO 14N96W TO 13N98W TO 13N96W TO 14N95W NE TO E WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 12N99W TO 12N96W TO
13N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 30 KT...EXCEPT NE TO E 20 TO 25 KT BETWEEN 96W AND
99W. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N
TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.06 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 M.
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
13N98W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N
TO NE WINDS 25 TO 30 KT...EXCEPT N OF 15N, N TO NE WINDS 30 TO
35 KT. SEAS 2.5 TO 3 M...EXCEPT N OF 15N 3 TO 4 M. WITHIN 14N95W
TO 14N96W TO 13N98W TO 13N96W TO 14N95W NE TO E WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 12N99W TO 12N96W TO
13N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 30 KT...EXCEPT NE TO E 20 TO 25 KT BETWEEN 96W AND
99W. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N
TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
GULF OF TEHUANTEPEC GALE WARNING: HIGH PRESSURE RIDGING WILL
BUILD SOUTHWARD ALONG EASTERN MEXICO IN THE WAKE OF A LATE-
SEASON COLD FRONT THAT IS MOVING ACROSS THE GULF OF AMERICA. THE
PRESSURE GRADIENT BETWEEN THE RIDGE AND RELATIVELY LOWER
PRESSURE SOUTH OF MEXICO WILL TIGHTEN ENOUGH TO SUPPORT A BRIEF
OCCURRENCE OF GALE-FORCE NORTHERLY WINDS IN THE GULF OF
TEHUANTEPEC TONIGHT INTO MON MORNING. THE GRADIENT WILL THEN
RELAX ENOUGH AS HIGH PRESSURE NORTH OF THE AREA SHIFTS EASTWARD
DURING MON ALLOWING FOR THE GALE WINDS TO DIMINISH TO STRONG
SPEEDS. SEAS WITH THIS UPCOMING GALE EVENT ARE EXPECTED TO PEAK
TO AROUND 11 OR 12 FT. LINGERING ROUGH SEAS WILL SUBSIDE LATE
MON. MARINE INTERESTS TRANSITING THROUGH, OR NEAR THE GULF OF
TEHUANTEPEC SHOULD TAKE THE NECESSARY ACTION TO AVOID HAZARDOUS
MARINE CONDITIONS OVER THE AFFECTED WATERS.
PLEASE SEE THE SPECIAL FEATURES SECTION ABOVE FOR INFORMATION
ON A SOON TO BEGIN GAP WIND GALE-EVENT IN THE GULF OF TEHUANTEPEC.
SHORT-TERM TEHUANTEPEC
TODAY - N 23-29, Seas SSW 5.7-7.2 ft @ 15sec
TONITE - NW 1-1, Seas SSW --? ft @ 15sec
TUESDAY - N 17-21, Seas SSW 3.1-5.6 ft @ 18sec
TUESDAY NIGHT - NW 1-1, Seas SSW --? ft @ 15sec
LONG-TERM TEHUANTEPEC
WEDNESDAY - Not available yet
THURSDAY - SW 8-10, Seas SSW 1.4-4.3 ft @ 14sec
FRIDAY - SSW 8-10, Seas SSW 2-4.1 ft @ 13sec
SATURDAY - SW 10-12, Seas N/A ?-? ft @ ?
SUNDAY - Not available yet