Mazatlan to Banderas Bay Forecast
December 5, 2025, 3:00 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
.NONE.
A SURFACE TROUGH HAS BEEN ANALYZED OVER THE NORTHERN GULF OF
CALIFORNIA THROUGH NORTHWESTERN MEXICO, AND A SECOND TROUGH IS
NOTED OFFSHORE OF BAJA CALIFORNIA SUR FROM 22N112.5W TO
14.5N118W. THE PRESSURE GRADIENT BETWEEN THESE FEATURES IS
SUPPORTING MODERATE TO FRESH N WINDS OFFSHORE OF SINALOA THROUGH
COLIMA. MAINLY MODERATE NW WINDS AND 1 TO 4 FT SEAS ARE NOTED IN
THE GULF ALONG THE TROUGH AXIS. MODERATE N TO NE WINDS AND
MODERATE SEAS PREVAIL OFFSHORE OF BAJA AS WEAK RIDGING BUILDS
OVER THE EASTERN PACIFIC, WHILE MAINLY GENTLE WINDS AND MODERATE
SEAS CONTINUE OFFSHORE OF SOUTHERN MEXICO.
FOR THE FORECAST, FRESH N TO NW WINDS WILL PULSE OFFSHORE OF
WEST-CENTRAL MEXICO INTO EARLY SAT AS A MODERATE PRESSURE
GRADIENT PREVAILS BETWEEN TROUGHING OVER THE GULF OF CALIFORNIA
AND A SURFACE TROUGH OFFSHORE OF BAJA CALIFORNIA. FARTHER NORTH,
OCCASIONALLY FRESH N TO NW WINDS ARE EXPECTED IN THE GULF OF
CALIFORNIA THROUGH EARLY NEXT WEEK. LOOKING AHEAD, STRONG TO
NEAR-GALE FORCE N GAP WINDS AND ROUGH SEAS WILL DEVELOP IN THE
GULF OF TEHUANTEPEC BY EARLY NEXT WEEK AS A COLD FRONT MOVES OVER
THE GULF OF AMERICA AND HIGH PRESSURE BUILDS IN CENTRAL MEXICO IN
THE WAKE OF THE FRONT.
A SURFACE TROUGH HAS BEEN ANALYZED OFFSHORE OF BAJA CALIFORNIA
SUR FROM 22N112.5W TO 14.5N118W, AND LIGHT TO GENTLE WINDS ARE
OCCURRING NEAR THIS FEATURE. OTHERWISE, A 1033 MB HIGH CENTERED
NORTH OF THE AREA NEAR 37N140W EXTENDS RIDGING THROUGH THE
EASTERN PACIFIC NORTH OF THE MONSOON TROUGH AND ITCZ, AND
MODERATE TO FRESH NE WINDS AND 5 TO 8 FT SEAS IN MIXED NW AND NE
TO E SWELL ARE OCCURRING IN THIS REGION. TO THE SOUTH, MAINLY
MODERATE S TO SE WINDS AND MODERATE SEAS IN NW SWELL PREVAIL.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - NW 14-17, Seas SSW 1.7-2.9 ft @ 14sec
TONITE - N 8-10, Seas SSW 1.9-3 ft @ 14sec
SATURDAY - SSE 10-12, Seas SSW 2.4-3.4 ft @ 14sec
SATURDAY NIGHT - NNW 3-4, Seas SSW 1.4-2.7 ft @ 13sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SUNDAY - NNW 10-13, Seas SSW 1.6-2.6 ft @ 12sec
MONDAY - N 10-12, Seas SSW 1.7-2.6 ft @ 12sec
TUESDAY - NW 9-11, Seas SSW 1.4-2.6 ft @ 14sec
WEDNESDAY - NNW 11-14, Seas N/A ?-? ft @ ?
THURSDAY - NW 10-12, Seas N/A ?-? ft @ ?