Tehuantepec Forecast

December 16, 2025, 9:01 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.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 14N98W TO 13N99W TO 12N96W TO 14N93W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 35 KT. SEAS 3.5 TO 5.0 M. ELSEWHERE WITHIN 11N97W TO 13N99W
TO 11N104W TO 10N104W TO 10N101W TO 11N97W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN NE SWELL.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 13N96W TO
13N95W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 12N93W TO 15N94W TO 15N96W TO 12N101W TO 10N100W
TO 10N95W TO 12N93W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO
NE SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 16N94W TO 16N95W TO 14N98W TO 13N99W TO 12N96W TO 14N93W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 35 KT. SEAS 3.5 TO 5.0 M. ELSEWHERE WITHIN 11N97W TO 13N99W
TO 11N104W TO 10N104W TO 10N101W TO 11N97W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN NE SWELL.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 13N96W TO
13N95W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 12N93W TO 15N94W TO 15N96W TO 12N101W TO 10N100W
TO 10N95W TO 12N93W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO
NE SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.

GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
THE HIGH PRESSURE OVER MEXICO AND THE EASTERN NORTH PACIFIC
MONSOON TROUGH IS SUSTAINING GALE-FORCE NORTHERLY WINDS ACROSS
THE GULF OF TEHUANTEPEC WHICH ARE FORECAST TO CONTINUE THROUGH
THIS MORNING. BY THIS AFTERNOON, THE HIGH PRESSURE WILL BEGIN TO
SHIFT EASTWARD AND WEAKEN. ROUGH SEAS ARE EXPECTED WITH THE
STRONGEST WINDS, PEAKING TO 16 FT.
A GALE WARNING IS IN EFFECT FOR THE GULF OF TEHUANTEPEC. PLEASE
SEE THE SPECIAL FEATURE SECTION FOR MORE DETAILS.
FOR THE FORECAST, GALE-FORCE WINDS OVER THE GULF OF TEHUANTEPEC
WILL PREVAIL THROUGH THIS MORNING. 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
BY THE MIDDLE PART OF THE WEEK. MODERATE TO FRESH WINDS WILL
PULSE NEAR CABO CORRIENTES DURING THE MIDDLE OF THE WEEK. 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.

FOR THE FORECAST, BUILDING HIGH PRESSURE N OF THE CARIBBEAN AND
LOWER PRESSURES NEAR THE MONSOON TROUGH WILL CONTINUE TO SUPPORT
PULSING FRESH TO STRONG EASTERLY TRADE WINDS AND MODERATE SEAS
ACROSS THE GULF OF PAPAGAYO THROUGH MIDWEEK, POSSIBLY RETURNING
FRI NIGHT INTO NEXT WEEKEND. ROUGH SEAS IN THE FAR OFFSHORE
WATERS OF GUATEMALA WILL PERSIST THROUGH TUE DUE TO A GULF OF
TEHUANTEPEC GALE-FORCE GAP EVENT. MODERATE TO FRESH NORTHERLY
WINDS WILL PULSE IN THE GULF OF PANAMA THIS WEEK. GENTLE TO
MODERATE WINDS AND SLIGHT TO MODERATE SEAS WILL PREVAIL
ELSEWHERE.

SHORT-TERM TEHUANTEPEC
TODAY - N 20-25, Seas N 8-8.3 ft @ 7sec
TONITE - NNW 15-19, Seas SW 4.1-4.8 ft @ 14sec
WEDNESDAY - NNW 15-19, Seas SW 4.1-4.8 ft @ 14sec
WEDNESDAY NIGHT - N 20-25, Seas N 8-8.3 ft @ 7sec

LONG-TERM TEHUANTEPEC
THURSDAY - Not available yet
FRIDAY - NNW 17-21, Seas NNW 4.5-5 ft @ 6sec
SATURDAY - NNW 15-19, Seas NNW 6.2-6.7 ft @ 6sec
SUNDAY - NNW 11-14, Seas SSW 2.4-3.7 ft @ 12sec
MONDAY - N 17-21, Seas N/A ?-? ft @ ?