Mazatlan to Banderas Bay Forecast
May 27, 2026, 9:00 pm (UTC: -04:00)
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.
.15 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO
30N115W TO 30N114W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA...S TO SW WINDS 20 TO 25 KT OR LESS. SEAS LESS THAN
2.5 M.
.18 HOUR FORECAST LOW PRES NEAR 31N114W 1008 MB. WITHIN
31.5N114W TO 31.5N115W TO 31N115W TO 31N114.5W TO 31N114W TO
31N113.5W TO 31.5N114W...INCLUDING THE GULF OF CALIFORNIA...NW TO
N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW PRES NEAR 31N114W 1009 MB. WINDS 20 KT OR
LESS. SEAS LESS THAN 2.5 M.
A HIGH PRESSURE RIDGE EXTENDS ACROSS THE WATERS WEST OF BAJA
CALIFORNIA TO NEAR THE REVILLAGIGEDO ISLANDS. MEANWHILE, A COLD
FRONT IS ANALYZED FROM WESTERN ARIZONA, SOUTH-SOUTHWESTWARD TO
ACROSS THE NORTHERN GULF OF CALIFORNIA, AND CONTINUES
SOUTHWESTWARD OUT OVER THE OPEN WATERS TO NEAR 26N123W. LATEST
SCATTEROMETER SATELLITE DATA PASSES INDICATE GENTLE TO MODERATE
NW TO N WINDS BEHIND THE FRONT. THE PRESSURE GRADIENT BETWEEN
THE RIDGE AND A SURFACE TROUGH OVER THE GULF OF CALIFORNIA IS
SUPPORTING MODERATE TO FRESH WINDS OVER THE WATERS WEST OF BAJA
CALIFORNIA. GENTLE TO MODERATE WINDS ARE SOUTH OF BAJA CALIFORNIA
AND WEST OF CABO CORRIENTES, AND ALSO BEHIND THE COLD FRONT. SE
TO S FRESH WINDS HAVE DEVELOPED IN THE NORTHERN GULF OF
CALIFORNIA. GEN LIGHT TO GENTLE WINDS PREVAIL ELSEWHERE. WAVE
HEIGHTS ARE IN THE 5 TO 7 FT RANGE OVER THE OPEN WATERS, EXCEPT
FOR HIGHER WAVE HEIGHTS OF 7 TO 11 FT IN NW SWELL OVER THE NW
PORTION OF THE OFFSHORE WATERS FROM 30N TO PUNTA EUGENIA. WAVE
HEIGHTS ARE 4 TO 6 FT IN THE NORTHERN HALF OF THE GULF OF
CALIFORNIA, 3 TO 5 FT IN THE CENTRAL SECTION AND 2 TO 4 FT IN THE
SOUTHERN HALF OF THE GULF OF CALIFORNIA.
FOR THE FORECAST, MODERATE TO FRESH WINDS WILL PREVAIL OFFSHORE
BAJA CALIFORNIA THROUGH THE PERIOD, WITH WINDS MOSTLY AT FRESH
SPEEDS FROM FRI THROUGH EARLY ON SUN. A SET OF NW SWELL HAS BEGUN
TO MOVE THROUGH THE OUTER NW WATERS OF BAJA CALIFORNIA NORTE.
THIS SWELL WILL CONTINUE TO PROPAGATE OFFSHORE BAJA CALIFORNIA
THROUGH THU, THEN BEGIN TO DECAY BEGINNING LATE THU NIGHT INTO
FRI. YET, ANOTHER SET OF NW SWELL WILL BE ENTERING THE WATERS
FROM 30N TO PUNTA EUGENIA ON SUN, REACH THE NORTHERN PORTION OF
THE WATERS BETWEEN PUNTA EUGENIA TO CABO SAN LAZARO ON MON, THEN
BEGIN TO DECAY MON NIGHT. FRESH TO STRONG S TO SW GAP WINDS WILL
PULSE IN THE NORTHERN GULF OF CALIFORNIA TONIGHT, THEN DIMINISH
THU AFTERNOON.
...REMAINDER OF THE AREA...CORRECTED
HIGH PRESSURE COVERS THE WATERS NORTH OF 20N. THE PRESSURE
GRADIENT BETWEEN THIS AREA OF HIGH PRESSURE AND LOWER PRESSURE
WITHIN THE MONSOON TROUGH IS SUPPORTING MODERATE TO FRESH NE TRADES
NORTH OF THE MONSOON TROUGH TO NEAR 20N AND WEST OF ABOUT 130W, AND
ALSO FROM 12N TO 18N BETWEEN 120W AND 130W AS SEEN IN THE LATEST
SCATTEROMETER SATELLITE DATA PASSES. WAVE HEIGHTS OVER THESE WATERS
ARE IN THE 6 TO 9 FT RANGE PRIMARILY IN LONG-PERIOD NW TO N SWELL. A
COLD FRONT IS ANALYZED FROM WESTERN ARIZONA, SOUTH-SOUTHWESTWARD TO
ACROSS THE NORTHERN GULF OF CALIFORNIA, AND CONTINUES SOUTHWESTWARD
OUT OVER THE OPEN WATERS TO NEAR 26N123W, WHERE IT BEGINS TO
DISSIPATE TO 26N130W AND TO 26N140W. MODERATE TO FRESH NORTHERLY
WINDS ALONG WITH WAVE HEIGHTS OF 7 TO 10 FT IN LONG-PERIOD NORTHWEST
SWELL ARE NORTH OF THE FRONT. GENTLE TO MODERATE WINDS ARE ELSEWHERE
N OF THE MONSOON TROUGH AND ALSO TO ITS S. WAVE HEIGHTS OVER THESE
WATERS ARE IN THE 5 TO 7 FT RANGE AS REVEALED BY RECENT ALTIMETER
SATELLITE DATA PASSES.
FOR THE FORECAST, LITTLE CHANGE IS EXPECTED IN WINDS FOR THE
NEXT FEW DAYS. THE AFOREMENTIONED COLD FRONT WILL SLOWLY MOVE
SOUTHWARD THROUGH EARLY THU WHILE WEAKENING. IT WILL DISSIPATE
BY EARLY THU EVENING. THE SWELL IN THE WAKE OF THE FRONT
WILL MOVE THROUGH THE WATERS N OF 24N BY LATE TONIGHT, WITH WAVE
HEIGHTS OF 8 TO 9 FT REACHING AS FAR SOUTH AS ABOUT 15N BY THU
EVENING. THE COMBINATION OF THE SWELL WITH WIND GENERATED WAVES
PRODUCED BY THE FRESH TRADE WINDS N OF THE MONSOON TROUGH IS
EXPECTED TO GENERATE ROUGH SEAS OVER A GOOD PORTION OF THESE
WATERS GOING INTO FRI. AFTERWARD, THE EASTERN PORTION OF THE
REMAINING SWELL SET WILL MERGE WITH A SOUTHERLY SWELL SET OVER
THE CENTRAL WATERS DURING THE WEEKEND, WITH WAVE HEIGHTS OF 8 TO
9 FT COVERING THE AREA FROM JUST S OF THE SOUTHERN TIP OF BAJA
CALIFORNIA TO NEAR 03.4S BETWEEN 98W AND 120W, AND FROM 07N TO 18N
BETWEEN 120W AND 140W.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - W 6-8, Seas SSW 1.3-3.3 ft @ 14sec
TONITE - WSW 4-5, Seas SSW --? ft @ 14sec
FRIDAY - WNW 10-12, Seas SSW 1.5-3.4 ft @ 19sec
FRIDAY NIGHT - WSW 4-5, Seas SSW --? ft @ 14sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
SATURDAY - WNW 9-11, Seas SSW 1.7-4.1 ft @ 22sec
SUNDAY - Not available yet
MONDAY - W 5-6, Seas N/A ?-? ft @ ?
TUESDAY - WNW 9-11, Seas N/A ?-? ft @ ?
WEDNESDAY - Not available yet