Gap Winds Forecast
August 13, 2026, 11:54 am (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.
...TROPICAL STORM WARNING...
.TROPICAL STORM HERNAN NEAR 18.0N 131.9W 1004 MB AT 1500 UTC AUG
13 MOVING WSW OR 245 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE
QUADRANT...0 NM SE QUADRANT...50 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 0 NM E SEMICIRCLE AND 60
NM W SEMICIRCLE WITH SEAS TO 4 M. ELSEWHERE WITHIN 19N130W TO
22N132W TO 21N134W TO 18N135W TO 15N133W TO 16N131W TO 19N130W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.1N 132.1W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM NE AND SW QUADRANTS...40 NM NW QUADRANT AND 0
NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 45 NM OF
CENTER...EXCEPT 0 NM SE QUADRANT WITH SEAS TO 4.0 M. ELSEWHERE
WITHIN 18N133W TO 17N134W TO 17N133W TO 17N132W TO 18N133W WINDS
20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 21N132W TO
20N137W TO 18N136W TO 16N133W TO 19N133W TO 19N131W TO 21N132W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 16.5N
132.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 15.9N
133.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 22N132W
TO 19N137W TO 17N137W TO 15N135W TO 16N133W TO 18N132W TO
22N132W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 08N92W TO 08N101W. ITCZ FROM
08N101W TO 10N121W. SCATTERED MODERATE ISOLATED STRONG FROM 04N
TO 10N BETWEEN 85W AND 101W...AND FROM 03N TO 13N BETWEEN 102W
AND 134W.
THE AXIS OF A TROPICAL WAVE IS NEAR 94W NORTH OF 02N, MOVING
WEST AT 10 TO 15 KT. NEARBY CONVECTION IS DISCUSSED IN THE
ITCZ/MONSOON TROUGH SECTION BELOW.
THE AXIS OF A TROPICAL WAVE IS NEAR 125W FROM 02N TO 18N, MOVING
WESTWARD AT 10 TO 15 KT. NEARBY CONVECTION IS DISCUSSED IN THE
ITCZ/MONSOON TROUGH SECTION BELOW.
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 08N92W TO 08N101W. THE
ITCZ EXTENDS FROM 08N101W TO 10N121W. SCATTERED MODERATE TO
ISOLATED STRONG CONVECTION IS FROM 04N TO 10N BETWEEN 85W AND
101W, AND FROM 03N TO 13N BETWEEN 102W AND 134W.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
FRESH TO LOCALLY STRONG WINDS PREVAIL OVER THE GULF OF
TEHUANTEPEC. FRESH SW GAP WINDS ARE IMPACTING THE NORTHERN GULF
OF CALIFORNIA. GENTLE TO MODERATE WINDS ARE FOUND ELSEWHERE.
MODERATE SEAS ARE OVER THE OPEN WATERS OFF MEXICO, WITH SLIGHT TO
MODERATE SEAS OVER THE GULF OF CALIFORNIA.
FOR THE FORECAST, PULSES OF FRESH TO STRONG GAP WINDS ACROSS THE
GULF OF TEHUANTEPEC WILL DIMINISH THROUGH TONIGHT, THEN RETURN
FRI THROUGH MON. A MODERATE PRESSURE GRADIENT WILL PROMOTE MOSTLY
GENTLE TO MODERATE WINDS ACROSS THE REMAINDER OFFSHORE WATERS OF
MEXICO ALONG WITH MODERATE SEAS.
FRESH TO STRONG E GAP WINDS AND MODERATE SEAS PERSIST ACROSS AND
DOWNSTREAM THE GULF OF PAPAGAYO. GENTLE TO MODERATE WINDS AND
MODERATE SEAS IN SW SWELL PREVAIL ELSEWHERE.
FOR THE FORECAST, MODERATE TO FRESH NE TO E GAP WINDS AND
OCCASIONALLY ROUGH SEAS WILL PULSE ACROSS THE PAPAGAYO REGION.
GENTLE TO MODERATE WINDS WILL PREVAIL BETWEEN THE GALAPAGOS
ISLANDS AND ECUADOR, WITH LARGE SOUTHERLY SWELL MOVING INTO THE
REGION STARTING THU NIGHT. LIGHT TO GENTLE WINDS AND MODERATE
SEAS IN SW SWELL ARE EXPECTED ELSEWHERE.
.WITHIN 11N86W TO 12N87W TO 12N89W TO 10N90W TO 09N89W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N89W TO 10N89W TO
09N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 10N88W TO
10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
FRESH TO STRONG E GAP WINDS AND MODERATE SEAS PERSIST ACROSS AND
DOWNSTREAM THE GULF OF PAPAGAYO. GENTLE TO MODERATE WINDS AND
MODERATE SEAS IN SW SWELL PREVAIL ELSEWHERE.
SHORT-TERM GAP WINDS (Near 11N 86W)
DATA NOTE - Extended sea states: Open-Meteo NCEP GFS-Wave.
TODAY - E 17-21, Seas SW 1.8-4.5 ft @ 20sec
TONITE - ENE 19-24, Seas SW 2.2-4.8 ft @ 19sec
FRIDAY - ENE 19-24, Seas SW 2.2-4.8 ft @ 19sec
FRIDAY NIGHT - ENE 18-22, Seas SW 3-5.4 ft @ 17sec
LONG-TERM GAP WINDS (Near 11N 86W)
SATURDAY - ENE 20-25, Seas SW 2.7-5.8 ft @ 16sec
SUNDAY - ENE 22-28, Seas SW 3.3-5.6 ft @ 15sec
MONDAY - NE 21-26, Seas SW 2.7-5.1 ft @ 14sec
TUESDAY - ENE 21-26, Seas SW 2.8-5.1 ft @ 14sec
WEDNESDAY - ENE 16-20, Seas SW 2-4.1 ft @ 15sec