Tehuantepec Forecast

November 9, 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.

...GALE WARNING...
.03 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15N95W TO
15N94.5W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO
14.5N95.5W TO 14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 16N94W TO 15N95W TO 16N95W TO 15N96W TO 13N95W
TO 15N94W TO 16N94W N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN N
TO NE SWELL.
.24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N96W TO 13N98W TO
12N97W TO 13N95W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 2.5 TO 4.5 M.
ELSEWHERE WITHIN 14N94W TO 16N94W TO 16N96W TO 11N99W TO 11N98W
TO 12N95W TO 14N94W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
REMAINDER OF AREA WITHIN 15N94W TO 15N96W TO 13N98W TO 12N97W TO
12N95W TO 13N94W TO 15N94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 13N98W TO 12N97W TO
13N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 40 KT. SEAS 4.0 TO 6.0 M. ELSEWHERE WITHIN 14N94W TO
16N95W TO 12N100W TO 10N106W TO 09N100W TO 11N96W TO 14N94W NE TO
E WINDS 20 TO 30 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA WITHIN
12N92W TO 16N94W TO 14N101W TO 11N105W TO 06N100W TO 07N95W TO
12N92W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO NE SWELL.

.03 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15N95W TO
15N94.5W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO
14.5N95.5W TO 14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 16N94W TO 15N95W TO 16N95W TO 15N96W TO 13N95W
TO 15N94W TO 16N94W N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN N
TO NE SWELL.
.24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N96W TO 13N98W TO
12N97W TO 13N95W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 2.5 TO 4.5 M.
ELSEWHERE WITHIN 14N94W TO 16N94W TO 16N96W TO 11N99W TO 11N98W
TO 12N95W TO 14N94W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
REMAINDER OF AREA WITHIN 15N94W TO 15N96W TO 13N98W TO 12N97W TO
12N95W TO 13N94W TO 15N94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 13N98W TO 12N97W TO
13N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 40 KT. SEAS 4.0 TO 6.0 M. ELSEWHERE WITHIN 14N94W TO
16N95W TO 12N100W TO 10N106W TO 09N100W TO 11N96W TO 14N94W NE TO
E WINDS 20 TO 30 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA WITHIN
12N92W TO 16N94W TO 14N101W TO 11N105W TO 06N100W TO 07N95W TO
12N92W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO NE SWELL.

GULF OF TEHUANTEPEC GALE WARNING: FRESH N GAP WINDS TODAY WILL
QUICKLY INCREASE TO STRONG SPEEDS THIS EVENING AND REACH GALE
FORCE LATE TONIGHT, AS A STRONG COLD FRONT SWEEPS THROUGH THE
GULF OF AMERICA AND HIGH PRESSURE BUILDS NORTH OF THE FRONT. A
LARGE EXPANSE OF GALE FORCE WINDS ARE EXPECTED AS FAR SOUTH AND
WEST AS 12N98W BY EARLY TUE, AND SEAS OF 12 TO 21 FT WILL OCCUR
NEAR THESE WINDS. GALE FORCE WINDS WILL PREVAIL THROUGH WED
MORNING, WITH WINDS PULSING TO STRONG TO NEAR-GALE FORCE THROUGH
FRI MORNING.
PLEASE REFER TO THE SPECIAL FEATURES SECTION FOR ADDITIONAL
INFORMATION ON THE GALE WARNING IN THE GULF OF TEHUANTEPEC.
FRESH N WINDS HAVE DEVELOPED IN THE GULF OF TEHUANTEPEC.
ELSEWHERE, A 1014 MB LOW HAS BEEN ANALYZED OVER NORTHWESTERN
MEXICO NEAR 27N109W AND A SURFACE TROUGH EXTENDS NORTHWESTWARD
THROUGH SONORA, AND SOUTHEASTWARD TO 23N107W. RECENT
SCATTEROMETER SATELLITE DATA SHOW MODERATE NW WINDS ARE OCCURRING IN
THE CENTRAL AND SOUTHERN GULF OF CALIFORNIA. MODERATE OR WEAKER
WINDS PREVAIL OVER THE REST OF THE MEXICO OFFSHORE WATERS AS WEAK
RIDGING EXTENDS OVER THE REGION. RECENT ALTIMETER DATA SHOW RESIDUAL
NW SWELL IS LEADING TO ROUGH SEAS OF 8 TO 9 FT OFFSHORE OF BAJA,
SOUTH OF PUNTA EUGENIA, AND OFFSHORE OF SOUTHWESTERN MEXICO. SEAS OF
4 TO 7 FT PREVAIL OFFSHORE OF SOUTHERN MEXICO, WITH 1 TO 3 FT SEAS
IN THE GULF OF CALIFORNIA.
FOR THE FORECAST, FRESH N GAP WINDS IN THE GULF OF TEHUANTEPEC TODAY
WILL QUICKLY INCREASE TO STRONG SPEEDS THIS EVENING AND REACH GALE
FORCE LATE TONIGHT, AS A STRONG COLD FRONT SWEEPS THROUGH THE GULF
OF AMERICA AND HIGH PRESSURE BUILDS NORTH OF THE FRONT. A LARGE
EXPANSE OF GALE FORCE WINDS ARE EXPECTED AS FAR SOUTH AND WEST AS
12N98W BY EARLY TUE, AND SEAS OF 12 TO 21 FT WILL OCCUR NEAR THESE
WINDS. GALE FORCE WINDS WILL PREVAIL THROUGH WED MORNING, WITH WINDS
PULSING TO STRONG TO NEAR-GALE FORCE THROUGH FRI MORNING. ELSEWHERE,
ROUGH SEAS OFFSHORE OF BAJA CALIFORNIA AND SOUTHWESTERN MEXICO WILL
SLOWLY SUBSIDE FROM NORTHWEST TO SOUTHEAST BY TONIGHT, THOUGH ROUGH
SEAS MAY PERSIST NEAR THE REVILLAGIGEDO ISLANDS THROUGH MON. IN THE
GULF OF CALIFORNIA, MODERATE TO FRESH NW WINDS WILL PULSE THROUGH
MON AS TROUGHING PREVAILS OVER THE REGION.

FOR THE FORECAST, FRESH NE WINDS WILL PULSE IN THE GULF OF
PAPAGAYO THROUGH MUCH OF THIS WEEK AS A COLD FRONT SWEEPS THROUGH
THE GULF OF AMERICA AND THE CARIBBEAN SEA AND HIGH PRESSURE
BUILDS NORTH OF THE FRONT. WINDS MAY REACH STRONG SPEEDS EACH
NIGHT AND MORNING BY MIDWEEK. FRESH TO LOCALLY STRONG N TO NE
WINDS WILL BE POSSIBLE IN THE GULF OF FONSECA AND SOUTH OF EL
SALVADOR TUE NIGHT INTO WED. OFFSHORE OF GUATEMALA, EXPECT FRESH
TO LOCALLY STRONG NE WINDS AND VERY ROUGH SEAS MON NIGHT THROUGH
MIDWEEK AS A SIGNIFICANT GALE FORCE WIND EVENT OCCURS IN THE GULF
OF TEHUANTEPEC. ROUGH SEAS WILL EXPAND SOUTHEASTWARD TO WELL
OFFSHORE OF EL SALVADOR AND GUATEMALA EARLY TUE INTO WED.

FOR THE FORECAST, LARGE NW SWELL, ASSOCIATED WITH A SERIES OF
COLD FRONTS MOVING THROUGH THE NORTHWESTERN WATERS, WILL SUPPORT
A WIDE EXPANSE OF ROUGH SEAS THROUGH EARLY THIS WEEK OVER MUCH OF
THE EASTERN PACIFIC. SEAS IN EXCESS OF 8 FT WILL OCCUR NORTH OF
20N AND WEST OF 130W BY LATE TONIGHT, AND NORTH OF 12N AND WEST OF
120W BY LATE MON. VERY ROUGH SEAS OF 12 TO 15 FT ARE EXPECTED NORTH
OF 25N AND WEST OF 133W THROUGH MON. ROUGH SEAS WILL SLOWLY DIMINISH
FROM NORTH TO SOUTH THROUGH MIDWEEK, WITH SEAS NORTH OF 20N FALLING
BELOW 8 FT BY EARLY WED, AND SOUTH OF 20N BY THU. LOOKING AHEAD, A
NEW NW SWELL WILL LEAD TO ROUGH TO VERY ROUGH SEAS OVER THIS SAME
REGION WED NIGHT THROUGH LATE WEEK. LOOKING AHEAD, STRONG E TO NE
WINDS AND ROUGH SEAS GENERATED BY A GALE FORCE GAP WIND EVENT IN THE
GULF OF TEHUANTEPEC WILL SPREAD LARGE NE SWELL INTO THE WATERS FROM
05N TO 15N AND EAST OF 110W MON NIGHT THROUGH WED BEFORE DIMINISHING.

SHORT-TERM TEHUANTEPEC
TODAY - NNW 34-43, Seas SW 3.9-4.9 ft @ 14sec
TONITE - N 31-39, Seas N/A ?-? ft @ ?
TUESDAY - N 31-39, Seas N/A ?-? ft @ ?
TUESDAY NIGHT - N 20-25, Seas N/A ?-? ft @ ?

LONG-TERM TEHUANTEPEC
WEDNESDAY - N 20-25, Seas N/A ?-? ft @ ?
THURSDAY - NNW 16-20, Seas N/A ?-? ft @ ?
FRIDAY - N 15-19, Seas N/A ?-? ft @ ?
SATURDAY - NW 7-9, Seas N/A ?-? ft @ ?
SUNDAY - Not available yet