Mazatlan to Banderas Bay Forecast



October 20, 2026, 8:00 pm (UTC: -05:00)
Subject: Mazatlan to Banderas Bay Forecast


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This forecast has not been reviewed. It was generated from an automatic model.

.WARNINGS.

...GALE WARNING...
.WITHIN 15N95W TO 16N95W TO 14N97W TO 12N99W TO 11N97W TO 13N96W
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS 25 TO
35 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE...WITHIN 16N95W TO 12N99W TO
11N95W TO 12N94W TO 16N95W...INCLUDING THE GULF OF
TEHUANTEPEC...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 14N96W TO 12N100W
TO 11N96W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 14N94W TO 16N95W TO 12N101W TO 11N97W
TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 15N101W TO 14N103W
TO 11N96W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...E WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.

...GALE WARNING...
.LOW PRES NEAR 10N96W 1007 MB. WITHIN 11N97W TO 12N99W TO 10N99W
TO 10N97W TO 11N97W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE...WITHIN 10N96W TO 11N100W TO 09N101W TO 07N98W TO
04N96W TO 06N93W TO 10N96W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
10N100W 1003 MB. WITHIN 10N97W TO 12N101W TO 09N102W TO 08N101W
TO 08N99W TO 09N97W TO 10N97W WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5
M. ELSEWHERE...WITHIN 10N97W TO 11N99W TO 12N101W TO 10N103W TO
08N102W TO 06N97W TO 10N97W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5
M IN MIXED SWELL.
.30 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
10N101W 1002 MB. WITHIN 10N98W TO 11N100W TO 10N100W TO 09N100W
TO 09N99W TO 10N98W WINDS 25 TO 35 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE...WITHIN 12N99W TO 12N101W TO 10N103W TO 08N102W TO
08N99W TO 09N98W TO 12N99W WINDS 20 TO 30 KT. SEAS 3.0 TO 3.5 M.
REMAINDER OF AREA...WITHIN 09N96W TO 12N99W TO 12N102W TO
09N104W TO 07N103W TO 05N97W TO 09N96W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
11N102W 1000 MB. WITHIN 10N99W TO 11N100W TO 11N101W TO 10N101W
TO 10N100W TO 10N99W WINDS 30 TO 45 KT. SEAS 4.0 TO 5.0 M.
ELSEWHERE...WITHIN 12N100W TO 14N104W TO 10N105W TO 07N102W TO
07N99W TO 09N97W TO 12N100W WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0
M. REMAINDER OF AREA...WITHIN 10N96W TO 14N104W TO 12N106W TO
09N106W TO 05N100W TO 07N96W TO 10N96W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.5 M.

.36 HOUR FORECAST WITHIN 31N114W TO 31N115W TO 30N114W TO
31N113W TO 31N114W...INCLUDING THE GULF OF CALIFORNIA...S TO SW
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE.


ELSEWHERE, WEAK LOW PRESSURE CENTERED E OF THE REVILLAGIGEDO
ISLANDS IS LEADING TO MODERATE NW WINDS THROUGH THE ISLANDS.
OTHERWISE, LIGHT TO GENTLE WINDS AND MODERATE SEAS PREVAIL,
EXCEPT FOR SLIGHT SEAS IN THE GULF OF CALIFORNIA.

SHORT-TERM MAZATLAN TO BAHIA BANDERAS
DATA NOTE - Wind forecast supplied by Open-Meteo GFS fallback.
TODAY - WNW 6-7, Seas SSW 0-3.3 ft @ 14sec
TONITE - NNW 2-3, Seas SSW 0-3 ft @ 14sec
WEDNESDAY - NW 7-9, Seas SSW 0-3.1 ft @ 18sec
WEDNESDAY NIGHT - N 4-5, Seas SSW 0-3.1 ft @ 18sec

LONG-TERM MAZATLAN TO BAHIA BANDERAS
THURSDAY - NW 9-11, Seas SSW 1.1-3.1 ft @ 17sec
FRIDAY - NW 5-6, Seas SSW 0.9-3 ft @ 16sec
SATURDAY - SSW 6-7, Seas SSW 0.7-2.4 ft @ 14sec
SUNDAY - NW 5-6, Seas S 0-2.9 ft @ 13sec
MONDAY - N 6-7, Seas S 0-2.7 ft @ 13sec