Gap Winds Forecast
September 15, 2026, 8:00 pm (UTC: -05:00)
Subject: Gap Winds 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 15N96W TO 13N96W TO 14N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20
TO 30 KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 13N97W TO 11N97W TO
13N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.30 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 16N94W TO 16N95W TO
16N96W TO 14N96W TO 14N95W TO 14N94W TO 16N94W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.42 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 12N99W TO 11N99W TO
11N97W TO 12N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N85W TO 09N116W. IT RESUMES
FROM 13N128W TO 13N139W. SCATTERED MODERATE CONVECTION IS NOTED
FROM 00N TO 12N EAST OF 132W, AND FROM 10N TO 16N BETWEEN 135W
AND 140W.
THE AXIS OF A TROPICAL WAVE IS NEAR 106W FROM 02N TO 17N, MOVING
WEST AT 10 TO 15 KT. NEARBY CONVECTION IS DISCUSSED IN THE
ITCZ/MONSOON TROUGH SECTION BELOW.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN HIGH
PRESSURE BUILDING OVER SOUTHERN MEXICO AND THE EASTERN NORTH
PACIFIC MONSOON TROUGH WILL SUPPORT STRONG TO NEAR-GALE FORCE N
TO NE GAP WINDS ACROSS THE GULF OF TEHUANTEPEC INTO WED, AND WILL
REACH MINIMAL GALE FORCE WED NIGHT. ROUGH SEAS WILL ACCOMPANY
THESE GAP WINDS.
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 09N116W. IT RESUMES
FROM 13N128W TO 13N139W. SCATTERED MODERATE CONVECTION IS NOTED
FROM 00N TO 12N EAST OF 132W, AND FROM 10N TO 16N BETWEEN 135W
AND 140W.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN A RIDGE NORTH OF
THE AREA AND THE EASTERN NORTH PACIFIC MONSOON TROUGH WILL
SUPPORT PULSING FRESH TO OCCASIONALLY STRONG EASTERLY WINDS AND
MODERATE TO ROUGH SEAS ACROSS THE PAPAGAYO REGION THROUGH MID
WEEK, THEN PULSING TO MODERATE TO FRESH THEREAFTER. MODERATE
WINDS AND SEAS WILL PREVAIL ELSEWHERE.
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN HIGH
PRESSURE BUILDING OVER SOUTHERN MEXICO AND THE EASTERN NORTH
PACIFIC MONSOON TROUGH WILL SUPPORT STRONG TO NEAR-GALE FORCE N
TO NE GAP WINDS ACROSS THE GULF OF TEHUANTEPEC INTO WED, AND WILL
REACH MINIMAL GALE FORCE WED NIGHT. ROUGH SEAS WILL ACCOMPANY
THESE GAP WINDS.
FRESH TO STRONG N TO NE GAP WINDS, AND SEAS OF 6-8 FT, ARE OVER
THE GULF OF TEHUANTEPEC. MODERATE TO FRESH WINDS ARE OVER THE
NORTHERN GULF OF CALIFORNIA. GENTLE TO MODERATE WINDS AND 4-7 FT
ARE NOTED ELSEWHERE, EXCEPT 1-3 FT IN THE CENTRAL AND SOUTHERN
GULF.
.WITHIN 11N86W TO 12N87W TO 11N87W TO 10N87W TO 10N85W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N87W TO 10N87W TO
10N85W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N87W TO 10N87W TO
10N85W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
FRESH TO STRONG EASTERLY WINDS, AND MODERATE SEAS, PREVAIL
ACROSS THE GULF OF PAPAGAYO REGION, EXTENDING DOWNSTREAM TO NEAR
90W. MODERATE TO FRESH WINDS EXTEND DOWNSTREAM FROM THE GULF OF
PAPAGAYO TO THE OUTER OFFSHORE WATERS OF EL SALVADOR AND
GUATEMALA. ELSEWHERE, MODERATE OR WEAKER WINDS AND MODERATE SEAS
ARE NOTED.
SHORT-TERM GAP WINDS (Near 11N 86W)
TODAY - ENE 21-26, Seas NE 2.4-2.4 ft @ 4sec
TONITE - ENE 18-22, Seas ENE 1.7-1.8 ft @ 4sec
WEDNESDAY - ENE 19-24, Seas ENE 2.5-2.5 ft @ 4sec
WEDNESDAY NIGHT - NE 18-23, Seas ENE 1.5-1.5 ft @ 3sec
LONG-TERM GAP WINDS (Near 11N 86W)
THURSDAY - NE 18-23, Seas ENE 1.5-1.5 ft @ 3sec
FRIDAY - ENE 17-21, Seas ENE 1.1-1.3 ft @ 3sec
SATURDAY - ENE 16-20, Seas ENE 0.9-1.2 ft @ 2sec
SUNDAY - NW 12-15, Seas SSW 0.9-1.5 ft @ 6sec
MONDAY - E 7-9, Seas SW 0-3.3 ft @ 19sec