Mazatlan to Banderas Bay Forecast

September 21, 2017, 8:30 pm (UTC: -07:00)
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.

.GULF OF CALIFORNIA N OF 29.5N SW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

A WEAK SURFACE RIDGE EXTENDS ESE ACROSS THE NORTHERN PORTIONS
OF THE DISCUSSION AREA TO THE CENTRAL PART OF BAJA CALIFORNIA
NEAR 26N. AN APPROACHING COLD FRONT MOVING SOUTH INTO THE FAR
NORTHERN WATERS EXTENDS FROM 30N119W TO 29N124W TO 30N133W. THE
PRESSURE GRADIENT BETWEEN HIGH PRESSURE BEHIND THE FRONT AND
TROUGHING ACROSS NORTHERN MEXICO IS PRODUCING FRESH TO STRONG SW
WINDS IN THE NORTHERN PART OF THE GULF OF CALIFORNIA, EXPECTED
TO PERSIST THROUGH EARLY FRI MORNING, WITH SEAS BUILDING TO 5-7
FT NORTH OF 29N. AS THE HIGH PRESSURE BEHIND THE DISSIPATING
FRONT BUILDS SE INTO THE AREA DURING THE NEXT COUPLE OF DAYS,
NWLY WINDS WILL FRESHEN SLIGHTLY WEST OF BAJA CALIFORNIA NORTE,
WHILE LITTLE EFFECTS WILL BE SEEN SOUTH OF 29N IN THE GULF OF
CALIFORNIA. ELSEWHERE, THE POSSIBLE DEVELOPMENT OF LOW PRESSURE
ALONG THE SOUTHERN COAST OF MEXICO WILL INCREASE WINDS AND SEAS
BETWEEN 100W AND 107W THE NEXT FEW DAYS.

SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - WNW 10-13, Seas SW 2-4 feet @ 13sec
TONITE - WNW 4-5, Seas SW 2-4 feet @ 13sec
FRIDAY - NW 5-8, Seas S 2-4 feet @ 8sec
FRIDAY NIGHT - ENE 1-1, Seas S 2-4 feet @ 8sec

LONG-TERM MAZATLAN TO BAHIA BANDERAS
SATURDAY - NW 7-10, Seas S 2-4 feet @ 13sec
SUNDAY - NW 9-12, Seas S 3-5 feet @ 11sec
MONDAY - NW 11-15, Seas S 3-6 feet @ 11sec
TUESDAY - W 16-21, Seas W 4-7 feet @ 5sec
WEDNESDAY - WSW 15-20, Seas SSW 4-6 feet @ 12sec